Schneider Electric Indoor Furnishings iEM3100 User Guide

iEM3100 / iEM3200 / iEM3300 series

Energy meters

User manual

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04/2014

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The information provided in this documentation contains general descriptions and/or technical

characteristics of the performance of the products contained herein. This documentation is not

intended as a substitute for and is not to be used for determining suitability or reliability of these

products for specific user applications. It is the duty of any such user or integrator to perform the

appropriate and complete risk analysis, evaluation and testing of the products with respect to the

relevant specific application or use thereof. Neither Schneider Electric nor any of its affiliates or

subsidiaries shall be responsible or liable for misuse of the information contained herein. If you have

any suggestions for improvements or amendments or have found errors in this publication, please

notify us.

No part of this document may be reproduced in any form or by any means, electronic or mechanical,

including photocopying, without express written permission of Schneider Electric.

All pertinent state, regional, and local safety regulations must be observed when installing and using

this product. For reasons of safety and to help ensure compliance with documented system data, only

the manufacturer should perform repairs to components.

When devices are used for applications with technical safety requirements, the relevant instructions

must be followed.

Failure to use Schneider Electric software or approved software with our hardware products may

result in injury, harm, or improper operating results.

Failure to observe this information can result in injury or equipment damage.

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Safety information

Important information

Read these instructions carefully and look at the equipment to become familiar with the device

before trying to install, operate, service or maintain it. The following special messages may

appear throughout this bulletin or on the equipment to warn of potential hazards or to call

attention to information that clarifies or simplifies a procedure.

The addition of either symbol to a “Danger” or “Warning” safety label indicates that an electrical

hazard exists which will result in personal injury if the instructions are not followed.

This is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all

safety messages that follow this symbol to avoid possible injury or death.

DANGER

DANGER indicates an imminently hazardous situation which, if not avoided, will result in death or

serious injury.

WARNING

WARNING indicates a potentially hazardous situation which, if not avoided, can result in death or

serious injury.

CAUTION

CAUTION indicates a potentially hazardous situation which, if not avoided, can result in minor or

moderate injury.

NOTICE

NOTICE is used to address practices not related to physical injury. The safety alert symbol shall not

be used with this signal word.

Please note

Electrical equipment should be installed, operated, serviced and maintained only by qualified

personnel. No responsibility is assumed by Schneider Electric for any consequences arising out of the

use of this material.

A qualified person is one who has skills and knowledge related to the construction, installation, and

operation of electrical equipment and has received safety training to recognize and avoid the hazards

involved.

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Notices

FCC Part 15 notice

This equipment has been tested and found to comply with the limits for a Class B digital device,

pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection

against harmful interference in a residential installation. This equipment generates, uses, and can

radiate radio frequency energy and, if not installed and used in accordance with the instructions, may

cause harmful interference to radio communications. However, there is no guarantee that interference

will not occur in a particular installation. If this equipment does cause harmful interference to radio or

television reception, which can be determined by turning the equipment off and on, the user is

encouraged to try to correct the interference by one or more of the following measures:

•

Reorient or relocate the receiving antenna.

Increase the separation between the equipment and receiver.

Connect the equipment to an outlet on a circuit different from that to which the receiver is

connected.

•

Consult the dealer or an experienced radio/TV technician for help.

This Class B digital apparatus complies with Canadian ICES-003.

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About the book

Document scope

This manual is intended for use by designers, system builders and maintenance technicians with an

understanding of electrical distribution systems and monitoring devices.

Validity note

The meters are used to measure the amount of active energy consumed by an installation or a part of

an installation.

This function meets the requirements for:

•

consumption monitoring,

evaluation of energy items (cost, accounting, etc.).

This function may also satisfy the power-saving incentives implemented by many countries.

Related topics

•

See “Power system wiring” on page 26 for information on wiring the voltage and current

connections.

Pulse output wiring: iEM3110 / iEM3210 / iEM3310

Rin

Radd

5 – 30 V DC

S0+ S0-

•

The pulse output is compatible with S0 format.

The pulse output can be directly connected to a 24 V DC (< 30 V DC) input on a Zelio or

Twido PLC.

•

The pulse output indicates the primary consumption with consideration of transformer ratios.

For other concentrators, if V DC/Rin > 15 mA, add a resistor Radd = (V DC/0.01) - Rin Ω

Digital input wiring: iEM3115 / iEM3215

11 – 40 V DC

- +

C/- T1 T2

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Digital input wiring: iEM3135 / iEM3155 / iEM3165 / iEM3175 / iEM3235 /

iEM3255 / iEM3265 / iEM3275 / iEM3335 / iEM3355 / iEM3365 / iEM3375

11 – 40 V DC

C/- DI N.C.

•

The digital input and output are electrically independent.

Digital output wiring: iEM3135 / iEM3155 / iEM3165 / iEM3235 / iEM3255 /

iEM3265 / iEM3335 / iEM3355 / iEM3365

5 – 40 V DC

/+ +/

Load

DO N.C.

•

The programmable digital output is compatible with S0 format when configured as a pulse output.

The digital output is polarity-independent.

The digital input and output are electrically independent.

Modbus RS-485 communications wiring: iEM3150 / iEM3155 / iEM3250 /

iEM3255 / iEM3350 / iEM3355

0 V

D0 = A’ / Rx-, A / Tx-

D1 = B’ / Rx+, B / Tx+

D0/- D1/+

BACnet RS-485 communications wiring: iEM3165 / iEM3265 / iEM3365

0 V

D0 = A’ / Rx-, A / Tx-

D1 = B’ / Rx+, B / Tx+

D0/- D1/+

M-Bus communications wiring: iEM3135 / iEM3235 / iEM3335

•

The M-Bus communications connection is polarity-independent.

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LonWorks communications wiring: iEM3175 / iEM3275 / iEM3375

Service

•

The LON communications connection is polarity-independent.

Power system wiring

The diagrams below illustrate how to connect the meters to a single-phase or three-phase 3-wire or

4-wire power system.

DANGER

HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH

• Apply appropriate personal protective equipment (PPE) and follow safe electrical work practices.

See NFPA 70E in the USA or applicable local standards.

• This equipment must only be installed and serviced by qualified electrical personnel.

• Turn off all power supplying this device and the equipment in which it is installed before working

on the device or equipment.

• Always use a properly rated voltage sensing device to confirm power is off.

• Replace all devices, doors and covers before turning on power to this equipment.

• Do not exceed the device’s ratings for maximum limits.

Failure to follow these instructions will result in death or serious injury.

Voltage input protection

The meter’s voltage inputs must be wired to fuses/breakers and a disconnect switch. If using a voltage

transformer (VT), both primary and secondary sides of the VT must be fused and switched.

•

Clearly label the device’s disconnect circuit mechanism and install it within easy reach of the

operator.

Fuses / circuit breakers must be:

— installed in accordance with all local and national electrical codes and standards, and

— rated for the installation voltage, available fault current, and sized for connected loads.

•

Fuse for neutral is required if the source neutral connection is not grounded.

Current input protection for 1 A and 5 A meters

For all connected current inputs on 1 A and 5 A meters with external CTs, use a CT shorting block to

short-circuit the secondary leads of the CTs before removing the current input connections to the

meter.

NOTE: Ground any unused current inputs on 1 A and 5 A meters.

iEM31•• and iEM33•• devices associated with a contactor

Connection requirements for iEM3100 / iEM3110 / iEM3115 / iEM3135 / iEM3150 / iEM3155 /

iEM3165 / iEM3175 / iEM3300 / iEM3310 / iEM3335 / iEM3350 / iEM3355 / iEM3365 / iEM3375:

•

When the meter is associated with a contactor, connect the meter upstream of the contactor.

The meter must be protected by a circuit breaker.

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Hardware and installation

iEM

Load

Related topics

•

See “Input, output and communications wiring” on page 24 for information on wiring the digital

inputs, digital or pulse outputs and communications for your device.

63 A direct measurement meter wiring

DANGER

HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH

• Do not allow the total additive current flowing through the device to exceed 63 A.

Failure to follow these instructions will result in death or serious injury.

Fuses and disconnect switch

Power system

Wiring

N’ L1 L1’ L2 L2’ L3 L3’

1PH2W L-N

≤277 V L-N

N’ L1 L1’ L2 L2’ L3 L3’

1PH2W L-L

≤480 V L-L

N’ L1 L1’ L2 L2’ L3 L3’

1PH3W L-L-N

≤277 V L-N

≤480 V L-L

N’ L1 L1’ L2 L2’ L3 L3’

3PH3W

≤480 V L-L

N’ L1 L1’ L2 L2’ L3 L3’

3PH4W

≤277 V L-N

≤480 V L-L

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DANGER

HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH

• Do not connect N’ to the load when setting the wiring type on the meter to 1PH4W Multi L-N.

Failure to follow these instructions will result in death or serious injury.

Power system

Wiring

N’ L1 L1’ L2 L2’ L3 L3’

1PH multiple loads with neutral (1PH4W Multi L-N)

The 1PH4W Multi L-N wiring type is only available on the iEM3135, iEM3150, iEM3155, iEM3165 and iEM3175.

125 A direct measurement meter wiring

DANGER

HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH

• Do not allow the total additive current flowing through the device to exceed 125 A.

Failure to follow these instructions will result in death or serious injury.

Fuses and disconnect switch

Power system

Wiring

N’ L1 L1’ L2 L2’ L3 L3’

1PH2W L-N

≤277 V L-N

N’ L1 L1’ L2 L2’ L3 L3’

1PH2W L-L

≤480 V L-L

N’ L1 L1’ L2 L2’ L3 L3’

1PH3W L-L-N

≤277 V L-N

≤480 V L-L

N’ L1 L1’ L2 L2’ L3 L3’

3PH3W

≤480 V L-L

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Power system

Wiring

N’ L1 L1’ L2 L2’ L3 L3’

3PH4W

≤277 V L-N

≤480 V L-L

DANGER

HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH

• Do not connect N’ to the load when setting the wiring type on the meter to 1PH4W Multi L-N.

Failure to follow these instructions will result in death or serious injury.

Power system

Wiring

N’ L1 L1’ L2 L2’ L3 L3’

1PH multiple loads with neutral (1PH4W Multi L-N)

The 1PH4W Multi L-N wiring type is only available on the iEM3335, iEM3350, iEM3355, iEM3365 and iEM3375.

5 A / 1 A meter wiring

DANGER

HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH

• Never short the secondary of a voltage transformer (VT).

• Never open circuit a current transformer (CT); use the shorting block to short circuit the leads of

the CT before removing the connection from the meter.

• Always use grounded external CTs for current inputs.

Failure to follow these instructions will result in death or serious injury.

Single-phase systems with CTs

250 mA fuses and disconnect switch

Shorting block

Power system

Wiring

(I1) (I2) (I3)

V1V2V3Vn

1PH2W L-N

≤277 V L-N

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Power system

Wiring

(I1) (I2) (I3)

V1V2V3Vn

1PH2W L-L

≤480 V L-L

(I1) (I2) (I3)

V1V2V3Vn

1PH3W L-L-N

≤277 V L-N

≤480 V L-L

2CTs

3CTs

(I1) (I2) (I3)

V1V2V3Vn

1PH multiple loads with neutral

(1PH4W Multi L-N)

≤277 V L-N

The 1PH4W Multi L-N wiring type is only available on the iEM3235, iEM3250, iEM3255, iEM3265 and iEM3275

Three-phase systems with CTs

250 mA fuses and disconnect switch

Shorting block

indicates wiring for a balanced system

Power system

Wiring

1 CT

2CTs

3CTs

V1V2V3Vn

3PH3W

≤480 V L-L

1 CT

2 CTs

3CTs

V1V2V3Vn

3PH4W

≤277 V L-N

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Hardware and installation

Three-phase systems with CTs and VTs

250 mA fuses and disconnect switch

Shorting block

VT primary fuses and disconnect switch

indicates wiring for a balanced system

Power system

Wiring

2 VTs, 1 CT

2 VTs, 2 CTs

2 VTs, 3 CTs

V1V2V3Vn

3PH3W

3 VTs, 1 CTs

3 VTs, 2 CTs

3 VTs, 3 CTs

V1V2V3Vn

3PH4W

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Front panel display and meter setup

Chapter 4

Front panel display and meter setup

What is in this chapter?

This chapter contains the following topics:

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Data display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Resets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Multi Tariff feature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Meter status information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

The device clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Device configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Modifying parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Configuration mode menus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Overview

The meter features a front panel with signaling LEDs, a graphical display, and menu buttons that allow

you to access the information required to operate the meter and modify parameter settings.

The front panel also allows you to display, configure and reset parameters.

Some meters have the Multi Tariff feature, which allows you to configure different tariffs.

Data display

Data display screen overview

Measurement

Ea / Er = active / reactive energy (if available)

Value

Active tariff (if applicable)

Scroll through the available screens

Total Ea Import

View more screens related to the measurement category

(if available)

1234.5

Go back to previous screen

Date and time (if applicable)

Unit

T1 23 Apr 2011 12:00 kWh

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Front panel display and meter setup

iEM3100 / iEM3200 / iEM3300 series user manual

Example: navigating the display screens

Partial Reactive E

Tariffs

V & I

1. Press

to scroll through the main display screens; in the image above, press

to move from

Partial Reactive E to Tariffs to V & I.

2. Press

press

to access additional screens related to main screen (if available); in the image above,

to access screens for each of the available tariffs.

3. Press

to scroll through these additional screens.

Related topics

•

See “Data display screens” on page 34 for information on the screens available on each meter

model.

Data display screens

The following sections outline the data display screens available on the various meter models.

Data display screens: iEM3100 / iEM3110 / iEM3115 / iEM3200 / iEM3210 / iEM3215 /

iEM3300 / iEM3310

Resets all energy measurements except total active energy

iEM3115 / iEM3215

Total Active E

Partial Active E

Diagnosis screen appears if there is a specific event

Reset

Tariffs

Diagnosis

Related topics

•

See “Troubleshooting” on page 103 for more information on the Diagnosis screen and a list of

diagnostic codes.

•

See “Resets” on page 36 for more information on meter resets.

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Front panel display and meter setup

Data display screens: iEM3150 / iEM3250 / iEM3350

Resets all energy measurements except total active energy

Diagnosis screen appears if there is a specific event

Total Active E

Reset

Partial Active E

V & I

Avg. L-L (L-N) Voltage

Phase 1 Current

Phase 2 Current

Phase 3 Current

Active Power

Power Factor

Diagnosis

Related topics

•

See “Troubleshooting” on page 103 for more information on the Diagnosis screen and a list of

diagnostic codes.

•

See “Resets” on page 36 for more information on meter resets.

Data display screens: iEM3135 / iEM3155 / iEM3165 / iEM3175 / iEM3235 / iEM3255 /

iEM3265 / iEM3275 / iEM3335 / iEM3355 / iEM3365 / iEM3375

Import / export indicated for total active (Ea) and total reactive (Er)

energy. Other energy measurements are import only.

Total Ea Export

Total Er Export

Reset

Total Ea Import

Total Er Import

Partial Active E

Resets all energy measurements except total active energy and total

reactive energy

Diagnosis screen appears if there is a specific event

Reset

Partial Reactive E

Tariffs

Avg. L-L (L-N) Voltage

Phase 1 Current

Phase 2 Current

Phase 3 Current

V & I

Active Power

Reactive Power

Apparent Power

P, Q & S

PF & F

Power Factor

Frequency

Operation Time

Diagnosis

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Related topics

•

See “Troubleshooting” on page 103 for more information on the Diagnosis screen and a list of

diagnostic codes.

•

See “Resets” on page 36 for more information on meter resets.

Resets

The following resets are available, depending on your meter model:

Reset

Description

Clears all active and reactive energy accumulated since the last reset.

NOTE: this does not reset the total active and reactive energy accumulation.

Clears all input metering energy data.

Partial energy

Input metering

NOTE: you can only reset the input metering accumulation using software.

Resetting accumulated energy using the display

1. Navigate to the Partial Active E or Partial Reactive E screen. The screen displays the date of the

last reset. For example:

Date of last reset

Partial Active E

876.2

23-Apr-2012

kWh

2. Press and hold

. The Reset screen appears.

3. Press

to confirm the reset and enter the meter password when prompted.

NOTE: Regardless of the screen you use to access this reset, accumulations of both Partial Active

Energy and the Partial Reactive Energy (if available) are cleared.

Related topics

•

See your software documentation for information on resetting the input metering accumulation.

Multi Tariff feature

The Multi Tariff feature is available on the following devices: iEM3115, iEM3135, iEM3155, iEM3165,

iEM3175, iEM3215, iEM3235, iEM3255, iEM3265, iEM3275, iEM3335, iEM3355, iEM3365 and

iEM3375.

The following table illustrates how the tariffs operate according to the tariff selection (2, 3 or 4 tariffs).

These tariffs are stored in 4 different registers: T1, T2, T3 and T4.

2 tariffs

3 tariffs

4 tariffs

Weekday

Weekend

24 H

NOTE: If the tariff Control Mode is set to by Internal Clock, the start time of the next tariff is the end

time of the current tariff. For example, T2 start equals the end of T1.

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Front panel display and meter setup

Meter status information

Two LEDs on the front panel indicate the current status of the device: the green status LED and the

yellow energy pulsing LED.

The icons in the table below indicate the LED state as follows:

•

= LED is off

= LED is on

= LED is flashing

Status LED

Energy pulsing LED

Description

Off

On, no pulse counting

1s >

On, with pulse counting

Error, pulse counting stopped

Abnormal, with pulse counting

Related topics

See the section for the protocol of your device for information on the communication LED:

•

“Troubleshooting” on page 103

“Communications LED indicator for Modbus devices” on page 51

“LED indicators for LonWorks meters” on page 63

“Communications LED indicator for M-Bus meters” on page 76

“Communications via BACnet” on page 89

The device clock

This section does not apply to the iEM3100, iEM3200 or iEM3300.

You must reset the time to account for any time change (for example, to switch the time from standard

time to daylight savings time).

Clock behavior on power interruption

iEM3110, iEM3150, iEM3210, iEM3250, iEM3310 and iEM3350: When power is interrupted, the date

and time are reset. When power is restored, the device automatically displays the screen to set Date

and Time.

iEM3115, iEM3135, iEM3155, iEM3165, iEM3175, iEM3215, iEM3235, iEM3255, iEM3265, iEM3275,

iEM3335, iEM3355, iEM3365 and iEM3375: When the power is interrupted, the device retains its date

and time information for 3 days. If power is interrupted for longer than 3 days, the device automatically

displays the screen to set Date and Time when power is restored.

Date/time format

The date is displayed in the following format: DD-MMM-YYYY.

The time is displayed using the 24-hour clock in the following format: hh:mm:ss.

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Front panel display and meter setup

iEM3100 / iEM3200 / iEM3300 series user manual

Setting the clock initially

The following diagram illustrates how to set the clock when you initially power up the device or after a

power failure. To set the clock during normal operation, see the section on device configuration.

Date & Time

Password

Date

Time

Date & Time

Total Active E

1234.5

0010

01-Jan-2000

DD-MM-YYYY

00:00

hh:mm

Set?

Save Settings?

kWh

NOTE: Password entry is only required for meters that support a password.

Related topics

•

See “Device configuration” on page 38 for information on setting the clock during normal device

operation.

Device configuration

The default factory settings are listed in the following table:

Factory settings

iEM31••: 3PH4W

Wiring

iEM32••: 3PH4W; 3 CTs on I1, I2, and I3; Direct-No VT

iEM33••: 3PH4W

CT Ratio

CT Secondary = 5 A; CT Primary = 5 A

CT & VT Ratio

VT Secondary = 100 V; VT Primary = 100 V

Frequency

Date

50 Hz

1-Jan-2000

Time

00:00:00

Multi Tariffs

Overload Alarm

Digital Output

Digital Input

Pulse Output

Communication

Com.Protection

Contrast

Disable

Input Status

100 imp / kWh

Varies depending on protocol

Enable

Password

0010

Entering configuration mode

1. Press and hold OK and ESC at the same time for about 2 seconds.

2. Enter the meter password, if prompted. The Access Counter screen displays, indicating the

number of times the configuration mode has been accessed.

Config

> 2s

The front panel display in configuration mode

The diagram below illustrates the various elements of the display in configuration mode:

Parameter

..\In. Pulse Const.

Setting

Configuration mode icon

Indicates that the setting impacts the Multi Tariff feature

00500

Overriding!

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Front panel display and meter setup

Related topics

•

See “Modifying parameters” on page 39 for instructions on using the front panel buttons to

configure list and numeric value settings.

•

See “Configuration mode menus” on page 40 for a diagram of your device’s configuration screens.

Com. Protection setting

For meters with communications capabilities, you can enable or disable the Com. Protection setting. If

this setting is enabled, you must use the display to configure certain settings (for example, wiring or

frequency, etc.) and perform resets; you cannot use communications.

The protected settings and resets are:

•

Power system settings (for example, wiring, frequency, CT ratios)

Date and time settings

Multi-tariff settings

Communications settings

Partial energy reset

Modifying parameters

There are two methods for modifying a parameter, depending on the type of parameter:

•

selecting a value in a list (for example, selecting 1PH2W L-N from a list of available power

systems), or

modifying a numerical value, digit by digit (for example, entering a value for the date, time or VT

primary).

NOTE: Before you modify any parameters, ensure that you are familiar with the HMI functionality and

navigation structure of your device in configuration mode.

Related topics

•

See “Configuration mode menus” on page 40 for information on navigating the configuration

menus on your device.

Selecting a value from a list

1. Use the down button to scroll through the parameter values until you reach the desired value.

2. Press OK to confirm the new parameter value.

Example: Configuring a list value

To set the nominal frequency of the meter:

1. Enter configuration mode and press the down button until you reach Frequency then press OK to

access the frequency configuration.

2. Press the down button to select the frequency you want then click OK. Press OK again to save

your changes.

Modifying a numerical value

When you modify a numerical value, the digit on the far right side is selected by default (except for

Date/Time).

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The parameters listed below are the only ones for which you set a numerical value (if the parameter is

available on your device):

•

Date

Time

Pick Up Value for an overload alarm

Voltage Transformer (VT) Primary

Current Transformer (CT) Primary

Password

Address of the meter

To modify a numerical value:

1. Use the down button to modify the selected digit.

2. Press OK to shift to next digit. Modify the next digit, if needed, or press okay to move to the next

digit. Continue to move through the digits until you reach the last digit then press OK again to

confirm the new parameter value.

If you enter an invalid setting for the parameter, when you press OK after setting the left-most

number, the cursor shifts back to the right-most number so you can enter a valid value.

Example: configuring a numeric value

To set the password:

1. Enter configuration mode and press the down button until you reach Password then press OK to

access the password configuration.

2. Press the down button to increment the selected digit or press OK to move to the next digit to the

left. When you reach the left-most digit, press OK to move to the next screen. Press OK again to

save your changes.

Canceling an entry

To cancel the current entry, press the ESC button

. The change is canceled and the screen

reverts to the previous display.

Configuration mode menus

The diagrams below show the configuration navigation for each device.

Related topics

•

See “Modifying parameters” on page 39 for instructions on how to change settings.

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Front panel display and meter setup

Configuration menu for iEM3100 / iEM3110 / iEM3115 / iEM3300 / iEM3310

iEM3110 / iEM3115 / iEM3310

iEM3110 / iEM3310

iEM3115

Type

Wiring

Frequency

Date

Frequency

Date

Time

Pulse Constant

Pulse Width

Pulse Output

Multi Tariffs

Control mode

Disable

Schedule

by 2 Tariffs

by Internal Clock

by Digital Input

by Communications

by 3 Tariffs

by 4 Tariffs

Contrast

Password

Reset Config

Section

Parameter

Options

Description

3PH3W

3PH4W

Wiring

Type

1PH2W L-N

1PH2W L-L

1PH3W L-L-N

Select the power system type the meter is wired to.

Frequency

Select the frequency of the electrical power system, in Hz.

Date (iEM3110 / iEM3115 /

iEM3310)

Date

Time

DD-MMM-YYYY

hh:mm

Set the current date using the specified format.

Use the 24-hour format to set the time.

Time (iEM3110 / iEM3115 /

iEM3310)

100

200

1000

Pulse Constant

(imp/kWh)

Set the pulses per kWh for the pulse output.

Pulse Output

Pulse Width

(ms)

100

200

300

Set the pulse width (ON time).

Select the tariff control mode:

•

Disable: the Multi Tariff function is disabled.

by Digital Input: the digital input is associated with the multi-tariff function. A

signal to the digital input changes the active tariff.

by Internal Clock: the device clock controls the active tariff. If you set the

Control Mode to by Internal Clock, you must also configure the schedule.

Set the time when each tariff period starts, using the 24 hour clock format

(00:00 to 23:59). The start time of the next tariff is the end time of the current

tariff. For example, T2 start equals the end of T1.

Disable

Multi Tariffs (iEM3115)

Control Mode

by Digital Input

by Internal Clock

•

Contrast

1-9

Increase or decrease the value to increase or decrease the display contrast.

Sets the password for accessing the meter configuration screens and resets.

Settings are reset to their defaults, except for Password. Meter restarts.

Password

(iEM3110 / iEM3115 /

iEM3310)

Password

Reset Config

0-9999

—

Reset Config

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iEM3100 / iEM3200 / iEM3300 series user manual

Configuration menu for iEM3150 / iEM3350

Type

Wiring

Frequency

Date

Frequency

Date

Time

Slave Address

Baud Rate

Parity

Communication

Contrast

Reset Config

Section

Parameter

Options

Description

3PH4W

1PH2W L-N

1PH2W L-L

1PH3W L-L-N

3PH3W

Wiring

Type

Select the power system type the meter is wired to.

1PH4W Multi L-N

Frequency

Select the frequency of the electrical power system, in Hz.

Date

Time

Date

Time

DD-MMM-YYYY

hh:mm

Set the current date using the specified format.

Set the time using the 24-hour format.

Set the address for this device. The address must be unique for each device in

a communications loop.

Slave Address

1 - 247

19200

38400

9600

Even

Odd

Select the speed for data transmission. The baud rate must be the same for all

devices in a communications loop.

Baud Rate

Communication

Select None if the parity bit is not used. The parity setting must be the same for

all devices in a communications loop.

Parity

NOTE: Number of stop bits = 1.

None

1-9

Contrast

Increase or decrease the value to increase or decrease the display contrast.

Settings are reset to their defaults, except for Password. Meter restarts.

Reset Config

—

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iEM3100 / iEM3200 / iEM3300 series user manual

Front panel display and meter setup

Configuration menus for iEM3135 / iEM3155 / iEM3165 / iEM3175 / iEM3335 /

iEM3355 / iEM3365 / iEM3375

Not available on iEM3175 /

iEM3375

Type

Wiring

iEM3155 / iEM3355

iEM3135 / iEM3335

iEM3165 / iEM3365

Frequency

Date

Frequency

Date

Time

Control mode

Disable

Multi Tariffs

Schedule

by 2 Tariffs

by Internal Clock

by Digital Input

by Communications

by 3 Tariffs

by 4 Tariffs

Alarm

Overload Alarm

Digital Output

Disable

Enable

Pick Up Value

DO Function

Disable

for Alarm

for Pulse

Pulse Constant

Pulse Width

DI Function

Digital Input

Input Status

Tariff Control

Input Metering

Partial Reset

In. Pulse Const.

Slave Address

Baud Rate

Parity

Primary Addr.

Baud Rate

MAC Addr.

Baud Rate

Device ID

Communication

Com.Protection

Contrast

Com.Protection

Contrast

Password

Reset Config

Section

Parameter

Options

Description

3PH4W

1PH2W L-N

1PH2W L-L

1PH3W L-L-N

3PH3W

Wiring

Type

Select the power system type the meter is wired to.

1PH4W Multi L-N

Frequency

Select the frequency of the electrical power system, in Hz.

Date

Time

Date

Time

DD-MMM-YYYY

hh:mm

Set the current date using the specified format.

Set the time using the 24-hour format.

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Section

Parameter

Options

Description

Select the tariff control mode:

•

Disable: the Multi Tariff function is disabled.

by Communication: the active tariff is control by communications. See

the chapter for the applicable protocol for more information.

Disable

•

by Digital Input: the digital input is associated with the multi-tariff

function. A signal to the digital input changes the active tariff.

by Internal Clock: the device clock controls the active tariff. If you set the

Control Mode to by Internal Clock, you must also configure the

schedule. Set the time when each tariff period starts, using the 24 hour

clock format (00:00 to 23:59). The start time of the next tariff is the end

time of the current tariff. For example, T2 start equals the end of T1.

by Communication

by Digital Input

Multi Tariffs

Control Mode

by Internal Clock

Select whether or not the Overload Alarm is enabled:

Disable

Enable

•

Disable: the alarm is disabled.

Enable: the alarm is enabled. If you enabled the Overload Alarm, you

must also configure the Pick Up Value in kW from 1 - 9999999.

Overload Alarm

Alarm

Select how the digital output functions:

•

Disable: the digital output is disabled.

for Alarm: the digital output is associated with the overload alarm. The

meter sends a pulse to the digital output port when the alarm is

triggered.

Disable

Digital Output

DO Function

for Alarm

•

for Pulse: The digital output is associated with energy pulsing. When

this mode is selected, you must also configure the can select the energy

parameter and the set the Pulse Constant (imp/kWh) and the Pulse

Width (ms).

for Pulse (kWh)

NOTE: the iEM3175 and iEM3375 do not have a digital output.

Select how the digital input functions:

•

Input status: the digital input records the status of the input, for example,

OF, SD of a circuit breaker.

Input Status

Tariff Control

Input Metering

Partial Reset

•

Input Metering: the digital input is associated with input metering. The

meter counts and records the number of incoming pulses. If you set the

DI Function to Input Metering, you must also configure In. Pulse

Constant.

Tariff Control: the digital input is associated with the multi-tariff function.

A signal to the digital input changes the active tariff.

Partial Reset: a signal to the digital input initiates a partial reset.

Digital Input

DI Function

•

Set the address for this device. The address must be unique for each

device in a communications loop.

Slave Address

Baud Rate

1 - 247

19200

38400

9600

Even

Odd

Select the speed for data transmission. The baud rate must be the same for

all devices in a communications loop.

Communication

(iEM3155 / iEM3355)

Select None if the parity bit is not used. The parity setting must be the same

for all devices in a communications loop.

Parity

NOTE: Number of stop bits = 1.

None

Set the address for this device. The address must be unique for each

device in a communications loop.

Primary Addr.

0 - 255

2400

4800

9600

300

Communication

(iEM3135 / iEM3335)

Select the speed for data transmission. The baud rate must be the same for

all devices in a communications loop.

Baud Rate

600

1200

Set the address for this device. The address must be unique for each

device in a communications loop.

MAC Addr.

Baud Rate

1 - 127

9600

19200

38400

57600

76800

Communication

Select the speed for data transmission. The baud rate must be the same for

all devices in a communications loop.

(iEM3165 / iEM3365)

Set the Device ID for this device. Make sure the Device ID is unique in your

BACnet network.

Device ID

0 - 4194303

Enable

Disable

Protects selected settings and resets from configuration via

communications.

Com.Protection

Contrast

Com.Protection

Contrast

Increase or decrease the value to increase or decrease the display

contrast.

1-9

Sets the password for accessing the meter configuration screens and

resets.

Password

0-9999

—

Reset Config

Settings are reset to their defaults, except for Password. Meter restarts.

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iEM3100 / iEM3200 / iEM3300 series user manual

Front panel display and meter setup

Configuration menus for iEM3200 / iEM3210 / iEM3215

iEM3210 / iEM3215

iEM3210

Type

Wiring

iEM3215

CT Secondary

CT Primary

CT Ratio

Frequency

Date

Frequency

Date

Time

Pulse Constant

Pulse Width

Pulse Output

Multi Tariffs

Control mode

Disable

Schedule

by 2 Tariffs

by Internal Clock

by Digital Input

by Communications

by 3 Tariffs

by 4 Tariffs

Contrast

Password

Reset Config

Section

Parameter

Options

Description

3PH3W

3PH4W

Type

1PH2W L-N

Select the power system type the meter is wired to.

1PH2W L-L

Wiring

1PH3W L-L-N

3CTs on I1, I2, I3

Define how many current transformers (CT) are connected to the meter and

which terminals they are connected to.

1 CT on I1

2 CTs on I1, I3

CT Secondary

CT Primary

Frequency

Select the size of the CT secondary, in Amps.

Enter the size of the CT primary, in Amps.

CT Ratio

1 - 32767

Frequency

Select the frequency of the electrical power system, in Hz.

Date (iEM3210 / iEM3215)

Time (iEM3210 / iEM3215)

Date

Time

DD-MMM-YYYY

Set the current date using the specified format.

Set the time using the 24-hour format.

hh:mm

0.01

0.1

Pulse Constant

(imp/kWh)

Set the pulses per kWh for the pulse output.

100

500

Pulse Output (iEM3210)

Pulse Width

(ms)

100

200

300

Set the pulse width (ON time).

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Section

Parameter

Options

Description

Select the tariff control mode:

•

Disable: the Multi Tariff function is disabled.

by Digital Input: the digital input is associated with the multi-tariff

function. A signal to the digital input changes the active tariff.

by Internal Clock: the device clock controls the active tariff. If you set the

Control Mode to by Internal Clock, you must also configure the schedule.

Set the time when each tariff period starts, using the 24 hour clock format

(00:00 to 23:59). The start time of the next tariff is the end time of the

current tariff. For example, T2 start equals the end of T1.

Disable

Multi Tariffs (iEM3215)

Control Mode

•

by Internal Clock

Contrast

1-9

Increase or decrease the value to increase or decrease the display contrast.

Sets the password for accessing the meter configuration screens and resets.

Settings are reset to their defaults, except for Password. Meter restarts.

Password

(iEM3210 / iEM3215)

Password

Reset Config

0-9999

—

Reset Config

Configuration menus for iEM3250

Type

Wiring

Frequency

Date

Frequency

Date

Time

Slave Address

Baud Rate

Parity

Communication

Contrast

Reset Config

Section

Parameter

Options

Description

3PH4W

1PH2W L-N

1PH2W L-L

1PH3W L-L-N

3PH3W

Wiring

Type

Select the power system type the meter is wired to.

1PH4W Multi L-N

Frequency

Select the frequency of the electrical power system, in Hz.

Date

Time

Date

Time

DD-MMM-YYYY

hh:mm

Set the current date using the specified format.

Set the time using the 24-hour format.

Set the address for this device. The address must be unique for each device in

a communications loop.

Slave Address

1 - 247

19200

38400

9600

Even

Odd

Select the speed for data transmission. The baud rate must be the same for all

devices in a communications loop.

Baud Rate

Communication

Select None if the parity bit is not used. The parity setting must be the same for

all devices in a communications loop.

Parity

NOTE: Number of stop bits = 1.

None

1-9

Contrast

Increase or decrease the value to increase or decrease the display contrast.

Settings are reset to their defaults, except for Password. Meter restarts.

Reset Config

—

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Front panel display and meter setup

Configuration menus for iEM3235 / iEM3255 / iEM3265 / iEM3275

iEM3235 / iEM3255 / iEM3265

iEM3255

Type

Wiring

iEM3235

iEM3265

CT Secondary

CT Primary

CT & VT Ratio

VT Secondary

VT Primary

Frequency

Date

Frequency

Date

Time

Control mode

Disable

Multi Tariffs

Schedule

by 2 Tariffs

by Internal Clock

by Digital Input

by Communications

by 3 Tariffs

by 4 Tariffs

Alarm

Overload Alarm

Digital Output

Disable

Enable

Pick Up Value

DO Function

Disable

for Alarm

for Pulse

Pulse Constant

Pulse Width

DI Function

Digital Input

Input Status

Tariff Control

Input Metering

Partial Reset

In. Pulse Const.

Slave Address

Baud Rate

Parity

Primary Addr.

Baud Rate

MAC Addr.

Baud Rate

Device ID

Communication

Com.Protection

Contrast

Com.Protection

Contrast

Password

Reset Config

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iEM3100 / iEM3200 / iEM3300 series user manual

Section

Parameter

Options

Description

3PH3W

3PH4W

1PH2W L-N

1PH2W L-L

1PH3W L-L-N

1PH4W Multi L-N

Direct-NoVT

Wye(3VTs)

Delta(2VTs)

3CTs on I1, I2, I3

1 CT on I1

2 CTs on I1, I3

Type

Select the power system type the meter is wired to.

Wiring

Select how many voltage transformers (VT) are connected to the electrical power

system.

Define how many current transformers (CT) are connected to the meter and which

terminals they are connected to.

CT Secondary

CT Primary

Select the size of the CT secondary, in Amps.

Enter the size of the CT primary, in Amps.

1 - 32767

100

CT & VT Ratio

110

VT Secondary

Select the size of the VT secondary, in Volts.

115

120

VT Primary

Frequency

1 - 1000000

Enter the size of the VT primary, in Volts.

Frequency

Select the frequency of the electrical power system, in Hz.

Date

Time

Date

Time

DD-MMM-YYYY

hh:mm

Set the current date using the specified format.

Set the time using the 24-hour format.

Select the tariff control mode:

•

Disable: the Multi Tariff function is disabled.

by Communication: the active tariff is control by communications. See the chapter

for the applicable protocol for more information.

Disable

•

by Digital Input: the digital input is associated with the multi-tariff function. A signal to

the digital input changes the active tariff.

by Communication

by Digital Input

by Internal Clock

Multi Tariffs

Control Mode

by Internal Clock: the device clock controls the active tariff. If you set the Control

Mode to by Internal Clock, you must also configure the schedule. Set the time when

each tariff period starts, using the 24 hour clock format (00:00 to 23:59). The start

time of the next tariff is the end time of the current tariff. For example, T2 start

equals the end of T1.

Select whether or not the Overload Alarm is enabled:

Disable

Enable

•

Disable: the alarm is disabled.

Enable: the alarm is enabled. If you enabled the Overload Alarm, you must also

configure the Pick Up Value in kW from 1 - 9999999.

Overload Alarm

Digital Output

Alarm

Select how the digital output functions:

•

Disable: the digital output is disabled.

for Alarm: the digital output is associated with the overload alarm. The meter sends

a pulse to the digital output port when the alarm is triggered.

for Pulse: The digital output is associated with energy pulsing. When this mode is

selected, you must also configure the can select the energy parameter and the set

the Pulse Constant (imp/kWh) and the Pulse Width (ms).

Disable

DO Function

for Alarm

•

for Pulse (kWh)

NOTE: the iEM3275 does not have a digital output.

Select how the digital input functions:

•

Input status: the digital input records the status of the input, for example, OF, SD of

a circuit breaker.

Input Metering: the digital input is associated with input metering. The meter counts

and records the number of incoming pulses. If you set the DI Function to Input

Metering, you must also configure In. Pulse Constant.

Tariff Control: the digital input is associated with the multi-tariff function. A signal to

the digital input changes the active tariff.

Partial Reset: a signal to the digital input initiates a partial reset.

Input Status

Tariff Control

Input Metering

Partial Reset

•

Digital Input

DI Function

•

Set the address for this device. The address must be unique for each device in a

communications loop.

Slave Address

Baud Rate

1 - 247

19200

38400

9600

Even

Odd

Select the speed for data transmission. The baud rate must be the same for all devices

in a communications loop.

Communication (iEM3255)

Select None if the parity bit is not used. The parity setting must be the same for all

devices in a communications loop.

Parity

NOTE: Number of stop bits = 1.

None

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Front panel display and meter setup

Section

Parameter

Options

Description

Set the address for this device. The address must be unique for each device in a

communications loop.

Primary Addr.

0 - 255

2400

4800

9600

300

Communication (iEM3235)

Select the speed for data transmission. The baud rate must be the same for all devices

in a communications loop.

Baud Rate

600

1200

Set the address for this device. The address must be unique for each device in a

communications loop.

MAC Addr.

Baud Rate

1 - 127

9600

19200

38400

57600

76800

Select the speed for data transmission. The baud rate must be the same for all devices

in a communications loop.

Communication (iEM3265)

Set the Device ID for this device. Make sure the Device ID is unique in your BACnet

network.

Device ID

0 - 4194303

Enable

Disable

1-9

Com.Protection

Protects selected settings and resets from configuration via communications.

Contrast

Increase or decrease the value to increase or decrease the display contrast.

Sets the password for accessing the meter configuration screens and resets.

Settings are reset to their defaults, except for Password. Meter restarts.

Password

Reset Config

Password

Reset Config

0-9999

—

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iEM3100 / iEM3200 / iEM3300 series user manual

Communications via Modbus RS-485

Chapter 5

Communications via Modbus RS-485

What is in this chapter?

This chapter contains the following sections:

Modbus communication overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

Modbus functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

Command interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

Modbus register list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

Read Device Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

Modbus communication overview

Modbus RTU protocol is available on the iEM3150, iEM3155, iEM3250, iEM3255, iEM3350 and

iEM3355.

The information in this section assumes that you have an advanced understanding of Modbus

communications, your communications network and the power system that your meter is connected

to.

There are three different ways of using Modbus communication:

•

by sending commands using the command interface (see “Command interface overview” on

page 53)

•

by reading the Modbus registers (see “Modbus register list” on page 57)

by reading Device Identification (see “Read Device Identification” on page 61)

Modbus communications settings

Before communicating with the device using Modbus protocol, use the display to configure the

following settings:

Settings

Possible values

9600 Baud

Baud rate

19 200 Baud

38 400 Baud

Odd

Even

Parity

None

NOTE: number of stop bits = 1

Address

1–247

Communications LED indicator for Modbus devices

The yellow communications LED indicates the status of communication between the meter and the

master as follows:

If...

Then...

Communication with the device has been established.

NOTE: If there is an error online, the LED also flashes.

There is no active communication between the master and the slave

The LED is flashing

The LED is off

Related topics

•

For more information on the Modbus protocol, see the Modbus organization website at

www.modbus.org.

•

See “Hardware overview” on page 16 for the location of the communications LED.

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Communications via Modbus RS-485

iEM3100 / iEM3200 / iEM3300 series user manual

Modbus functions

Function list

The table below lists the supported Modbus functions:

Function code

Function name

Decimal

Hexadecimal

0x03

Read Holding Registers

Write Multiple Registers

Read Device Identification

0x10

43/14

0x2B/0x0E

For example:

•

To read different parameters from the meter, use function 3 (Read).

To change the tariff, use function 16 (Write) to send a command to the meter.

Table format

Action (R/W/WC)

Size

Type

Units Range

Description

•

Action: The read/write/write by command property of the register

Size: The data size in Int16

Type: The encoding data type

Units: The unit of the register value

Range: The permitted values for this variable, usually a subset of what the format allows

Description: Provides information about the register and the values that apply

Unit table

The following data types appear in the Modbus register list:

Type

Description

Range

UInt16

Int16

16 bit unsigned integer

16 bit signed integer

32 bit unsigned integer

64 bit unsigned integer

8 bit field

0 – 65535

-32768 to +32767

UInt32

Int64

0 – 4 294 967 295

0 – 18 446 744 073 709 551 615

UTF8

multibyte character encoding for Unicode

Float32

Bitmap

32 bit value

Standard representation IEEE for floating number (with single precision)

—

DATETIME See below

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DATETIME format:

Communications via Modbus RS-485

Bits

Word

Reserved (0)

R4 (0)

WD (0)

Year (0 – 127)

Month (1 – 12)

Hour (0 – 23)

Day (1 – 31)

Minute (0 – 59)

SU (0)

Millisecond (0 – 59999)

R4 :

Reserved Bit

Year :

Month :

Day :

Hour :

Minute :

Millisecond :

7 bits (year from 2000)

4 bits

5 bits

6 bits

2 octets

WD (day of the week) :

SU (summer time) :

1–7: Sunday–Saturday

Bit to 0 if this parameter is not used.

Bit to 0 if this parameter is not valid or not used.

iV (validity of received data) :

Command interface

Command interface overview

The command interface allows you to configure the meter by sending specific command requests

using Modbus function 16.

Command request

The following table describes a Modbus command request:

Command block

Slave

Number

Function

Code

CRC

Command Description

The command is made of a command number and a set of parameters. See the

detailed description of each command in the command list.

1–247

5250 (up to 5374)

Checking

NOTE: All the reserved parameters can be considered as any value, e.g. 0.

The following table describes the command block:

Content

Size (Int16)

Data (example)

5250

5251

Command Number

(Reserved)

2008 (Set Tariff)

4 (Tariff=4)

5252–5374

Parameter

NOTE: Command number 2008 supports only

one parameter with the size of 1.

Command result

The command result can be obtained by reading registers 5375 and 5376.

The following table describes the command result:

Content

Size (Int16)

Data (example)

5375

Requested Command Number

Result

2008 (Set Tariff)

Command result codes:

•

0 = Valid Operation

3000 = Invalid Command

3001 = Invalid Parameter

3002 = Invalid Number of Parameters

3007 = Operation Not Performed

5376

0 (Valid Operation)

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Command list

Set Date/Time

Command

Number

Action

(R/W)

Size

Type

Unit

Range

Description

UInt16

—

(Reserved)

Year

2000–2099

1–12

1–31

Month

Day

1003

Hour

0–59

—

Minute

Second

(Reserved)

Set Wiring

Command Action

Size

Type

Unit

Range

Description

Number

(R/W)

UInt16

–

(Reserved)

Power System Configuration

0 = 1PH2W L-N

1 = 1PH2W L-L

2 = 1PH3W L-L-N

3 = 3PH3W

UInt16

–

0, 1, 2, 3, 11,13

11 = 3PH4W

13 = 1PH4W L-N

Nominal Frequency

(Reserved)

UInt16

Float32

UInt16

–

50, 60

–

(Reserved)

–

(Reserved)

–

(Reserved)

–

(Reserved)

VT Primary

VT Secondary–

1000000.0

Float32

UInt16

–

NOTE: For iEM3250 / iEM3255. Reserved by iEM3150 / iEM3155 /

iEM3350 / iEM3355

VT Secondary

2000

100, 110, 115, 120

1, 2, 3

NOTE: For iEM3250 / iEM3255. Reserved by iEM3150 / iEM3155 /

iEM3350 / iEM3355

Number of CTs

NOTE: For iEM3250 / iEM3255. Reserved by iEM3150 / iEM3155 /

iEM3350 / iEM3355

CT Primary

1–32767

1, 5

NOTE: For iEM3250 / iEM3255. Reserved by iEM3150 / iEM3155 /

iEM3350 / iEM3355

CT Secondary

NOTE: For iEM3250 / iEM3255. Reserved by iEM3150 / iEM3155 /

iEM3350 / iEM3355

UInt16

–

(Reserved)

VT Connection type:

0 = Direct Connect

1 = 3PH3W (2 VTs)

2 = 3PH4W (3 VTs)

UInt16

–

0, 1, 2

NOTE: For iEM3250 / iEM3255. Reserved by iEM3150 / iEM3155 /

iEM3350 / iEM3355

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Set Pulse Output (iEM3155 / iEM3255 / iEM3355)

Command

Number

Action

(R/W)

Size

Type

Unit

Range

Description

UInt16

—

(Reserved)

UInt16

Pulse Output enable / disable

0 = Disable

UInt16

—

0, 1

1 = Enable

iEM3155 / iEM3355:

1, 10, 20, 100, 200,

1000

Float32

pulse/kWh

Pulse constant

2003

iEM3255: 0.01, 0.1,

1, 10, 100, 500

UInt16

Float32

UInt16

Float32

UInt16

—

(Reserved)

Pulse width

—

2038

—

50, 100, 200, 300

Set Tariff (iEM3155 / iEM3255 / iEM3355)

Command

Number

Action

(R/W)

Size

Type

Unit

Range

Description

UInt16

—

(Reserved)

Multi Tariff Mode

0 = Disable Multi Tariff

2060

1 = Use COM as Tariff Control (maximum 4 tariffs)

2 = Use Digital Input as Tariff Control (2 tariffs)

UInt16

0, 1, 2, 4

4 = Use Internal Clock as Tariff Control (maximum 4

tariffs)

—

(Reserved)

Tariff

1 = T1

2 = T2

3 = T3

4 = T4

2008

UInt16

—

1–4

NOTE: You can only set the tariff using this method if the

Tariff Mode is set to by Communication.

Set Digital Input as Partial Energy Reset (iEM3155 / iEM3255 / iEM3355)

Command

Number

Action

(R/W)

Size

Type

Unit

Range

Description

UInt16

—

(Reserved)

Digital Input to Associate:

0 = Disable

6017

UInt16

0, 1

1 = Enable

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Input Metering Setup (iEM3155 / iEM3255 / iEM3355)

Command

Number

Action

(R/W)

Size

Type

Unit

Range

Description

UInt16

–

(Reserved)

UInt16

UTF8

Input Metering Channel

Label

string size <= 40

Float32

UInt16

1–10000

–

Pulse Weight

(Reserved)

6014

Digital Input Association:

0 = Disable

UInt16

–

0, 1

1 = Enable

Overload Alarm Setup (iEM3155 / iEM3255 / iEM3355)

Command

Number

Action

(R/W)

Size

Type

Unit

Range

Description

UInt16

–

(Reserved)

Alarm ID

UInt16

(Reserved)

0 = Disable

1 = Enable

Pickup value

(Reserved)

UInt16

–

0, 1

Float32

UInt32

Float32

UInt32

UInt16

Float32

UInt32

–

0.0–1e10

7000

–

20000

20001

Digital Output to Associate

0 = Unassociated

Bitmap

UInt16

–

0,1

–

1 = Associated

Acknowledge the Overload Alarm

Communications Setup

Command

Number

Action

(R/W)

Size

Type

Unit

Range

Description

UInt16

–

(Reserved)

Address

UInt16

–

1–247

Baud Rate

0 = 9600

1 = 19200

2 = 38400

Parity

UInt16

–

0, 1, 2

5000

0 = Even

1 = Odd

UInt16

–

0, 1, 2

–

2 = None

(Reserved)

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Reset Partial Energy Counters

Command

Number

Action

(R/W)

Size

Type

Unit

Range

Description

(Reserved)

iEM3150/iEM3250/iEM3350: Partial Active Energy and

Phase Energy registers will be reset.

2020

UInt16

–

iEM3155/iEM3255/iEM3355: Partial Active / Reactive

Energy, Energy by tariff and Phase Energy registers will be

reset.

Reset Input Metering Counter (iEM3155 / iEM3255 / iEM3355)

Command

Number

Action

(R/W)

Size

Type

Unit

Range

Description

2023

UInt16

–

(Reserved)

Modbus register list

System

Address (R/W/WC

Action

Size

Type

Units

Description

UTF8

–

Meter Name

UTF8

–

Meter Model

UTF8

Manufacturer

130

132

136

1637

UInt32

DATETIME

UTF8

Serial Number

Date of Manufacture

Hardware Revision

UInt16

Present Firmware Version (DLF format): X.Y.ZTT

Date/Time

Reg. 1845: Year (b6:b0) 0–99 (year from 2000 to 2099)

Reg. 1846: Month (b11:b8), Weekday (b7:b5), Day (b4:b0)

Reg. 1847: Hour (b12:b8), Minute (b5:b0)

Reg. 1848: Millisecond

1845–1848 R/WC

1 X 4

UInt16

–

Meter Setup and Status

Address (R/W/WC)

Action

Size

Type

Units

Description

Meter Operation Timer

2004

UInt32

Second

Not applicable for iEM3150 / iEM3250 / iEM3350

2014

2015

UInt16

–

Number of Phases

Number of Wires

Power System

0 = 1PH2W L–N

1 = 1PH2W L–L

2016

R/WC

UInt16

–

2 = 1PH3W L–L with N

3 = 3PH3W

11 = 3PH4W

13 = 1PH4W multi L with N

2017

2025

R/WC

UInt16

–

Nominal Frequency

Number VTs

Not applicable for iEM3150 / iEM3155 / iEM3350 / iEM3355

VT Primary

2026

2028

2029

2030

R/WC

Float32

UInt16

–

Not applicable for iEM3150 / iEM3155 / iEM3350 / iEM3355

VT Secondary

Not applicable for iEM3150 / iEM3155 / iEM3350 / iEM3355

Number CTs

Not applicable for iEM3150 / iEM3155 / iEM3350 / iEM3355

CT Primary

Not applicable for iEM3150 / iEM3155 / iEM3350 / iEM3355

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Address (R/W/WC)

Action

Size

Type

Units

Description

CT Secondary

2031

R/WC

UInt16

Not applicable for iEM3150 / iEM3155 / iEM3350 / iEM3355

VT Connection Type

0 = Direct Connect

2036

R/WC

UInt16

–

1 = 3PH3W (2 VTs)

2 = 3PH4W (3 VTs)

Not applicable for iEM3150 / iEM3155 / iEM3350 / iEM3355

Energy Pulse Output Setup (iEM3155 / iEM3255 / iEM3355)

Address (R/W/WC)

Action

Size

Type

Units

Description

2129

2131

2132

R/WC

UInt16

Millisecond

Energy Pulse Duration

Digital Output Association

0 = Disable

UInt16

–

1 = DO1 enable for active energy pulse output

Pulse Weight

Float32

pulse/kWh

Command Interface

Address (R/W/WC)

Action

Size

Type

Units

Description

5250

5252

5374

5375

R/W

UInt16

–

Requested Command

Command Parameter 001

Command Parameter 123

Command Status

Command Result codes:

0 = Valid Operation

3000 = Invalid Command

3001 = Invalid Parameter

3002 = Invalid Number of Parameters

3007 = Operation Not Performed

Command Data 001

5376

UInt16

–

5377

5499

R/W

UInt16

–

Command Data 123

Communication

Address (R/W/WC)

Action

Size

Type

Units

Description

Protocol

6500

6501

UInt16

–

0 = Modbus

Address

R/WC

–

Baud Rate:

0 = 9600

6502

R/WC

UInt16

–

1 = 19 200

2 = 38 400

Parity:

0 = Even

6503

UInt16

–

1 = Odd

2 = None

NOTE: number of stop bits = 1

Input Metering Setup (iEM3155 / iEM3255 / iEM3355)

Address (R/W/WC)

Action

Size

Type

Units

Description

7032

R/WC

UTF8

–

Label

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Address (R/W/WC)

Action

Size

Type

Units

Description

7052

7055

R/WC

Float32

pulse/unit Pulse Constant

Digital Input Association

0 = Disable for input metering

1 = Enable for input metering

UInt16

–

Digital Input (iEM3155 / iEM3255 / iEM3355)

Address (R/W/WC)

Action

Size

Type

Units

Description

Digital Input Control Mode:

0 = Normal (Input Status)

2 = Multi Tariff Control

3 = Input Metering

7274

8905

UInt16

–

5 = All Energy Reset

Digital Input Status (only Bit 1 is used):

Bit 1 = 0, relay open

Bitmap

Bit 1 = 1, relay closed

Digital Output (iEM3155 / iEM3255 / iEM3355)

Address (R/W/WC)

Size

Type

Units

Description

Digital Output Control Mode Status:

2 = for Alarm

9673

UInt16

–

3 = for Pulse (kWh)

0xFFFF = Disable

Meter Data

Current, voltage, power, power factor and frequency

Address (R/W/WC)

Size

Type

Units

Description

Current

3000

3002

3004

3010

Float32

I1: phase 1 current

I2: phase 2 current

I3: phase 3 current

Current Avg

Float32

Voltage

3020

3022

3024

3026

3028

3030

3032

3036

Float32

Voltage L1–L2

Voltage L2–L3

Voltage L3–L1

Voltage L–L Avg

Voltage L1–N

Voltage L2–N

Voltage L3–N

Voltage L–N Avg

Power

3054

3056

3058

3060

Float32

Active Power Phase 1

Active Power Phase 2

Active Power Phase 3

Total Active Power

Total Reactive Power

3068

3076

Float32

kVAR

kVA

Not applicable for iEM3150 / iEM3250 / iEM3350

Total Apparent Power

Not applicable for iEM3150 / iEM3250 / iEM3350

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Address (R/W/WC)

Size

Type

Units

Description

Power Factor

Total Power Factor:

-2 < PF < -1 = Quad 2, active power negative, capacitive

-1 < PF < 0 = Quad 3, active power negative, inductive

0 < PF < 1 = Quad 1, active power positive, inductive

1 < PF < 2 = Quad 4, active power positive, capacitive

3084

Float32

–

Frequency

3110

Float32

Frequency

Energy, energy by tariff and input metering

Most energy values are available in both signed 64-bit integer and 32-bit floating point format.

The energy and energy by tariff measurements listed below are preserved through power failures.

Energy reset and active tariff information

Size

Type

Units

Description

Address (R/W/WC)

3252

3554

DATETIME

–

Energy Reset Date and Time

Input Metering Accumulation Reset Date and Time

Not applicable for iEM3150 / iEM3250 / iEM3350

MultiTariffs Energy Active Rate

0: multi tariff disabled

1 to 4: rate A to rate D

4191

R/WC

UInt16

–

Not applicable for iEM3150 / iEM3250 / iEM3350

NOTE: You can only set the tariff using this method if the Tariff Mode

is set to by Communication.

Energy values – 64-bit integer

Units

Address (R/W/WC)

Size

Type

Description

Total Energy (cannot be reset)

3204

3208

Int64

Total Active Energy Import

Total Active Energy Export

Not applicable for iEM3150 / iEM3250 / iEM3350

Total Reactive Energy Import

3220

3224

Int64

VARh

Not applicable for iEM3150 / iEM3250 / iEM3350

Total Reactive Energy Export

Not applicable for iEM3150 / iEM3250 / iEM3350

Partial Energy

3256

3272

Int64

Partial Active Energy Import

Partial Reactive Energy Import

VARh

Not applicable for iEM3150 / iEM3250 / iEM3350

Phase Energy

3518

3522

3526

Int64

Active Energy Import Phase 1

Active Energy Import Phase 2

Active Energy Import Phase 3

Input Metering Counter

Input Metering Accumulation

3558

Int64

Unit

Not applicable for iEM3150 / iEM3250 / iEM3350

Energy by Tariff (iEM3155 / iEM3255 / iEM3355 only)

4196

4200

4204

4208

Int64

Rate A Active Energy Import

Rate B Active Energy Import

Rate C Active Energy Import

Rate D Active Energy Import

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Energy values – 32-bit floating point

Type Units

Address (R/W/WC)

Size

Description

Total Energy (cannot be reset)

45100

45102

Float32

Total Active Energy Import

Total Active Energy Export

Not applicable for iEM3150 / iEM3250 / iEM3350

Total Reactive Energy Import

45104

45106

Float32

VARh

Not applicable for iEM3150 / iEM3250 / iEM3350

Total Reactive Energy Export

Not applicable for iEM3150 / iEM3250 / iEM3350

Partial Energy

45108

45110

Float32

Partial Active Energy Import

Partial Reactive Energy Import

VARh

Not applicable for iEM3150 / iEM3250 / iEM3350

Phase Energy

45112

45114

45116

Float32

Active Energy Import Phase 1

Active Energy Import Phase 2

Active Energy Import Phase 3

Input Metering Counter

Input Metering Accumulation

45118

Float32

Unit

Not applicable for iEM3150 / iEM3250 / iEM3350

Energy by Tariff (iEM3155 / iEM3255 / iEM3355 only)

45120

45122

45124

45126

Float32

Rate A Active Energy Import

Rate B Active Energy Import

Rate C Active Energy Import

Rate D Active Energy Import

Overload Alarm (iEM3155 / iEM3255 / iEM3355)

Address (R/W/WC)

Size

Type

Units

Description

Overload Alarm Setup:

0x0000 = Disabled

0x0100 = Enabled

45001

45002

45004

R/WC

Bitmap

–

Float32

Bitmap

–

Pickup Setpoint

Digital Output to Associate:

0x0000 = Digital Output unassociated to overload alarm

0x0100 = Digital Output associated to overload alarm

Activated Status:

45005

45006

Bitmap

–

0x0000 = Alarm is inactive

0x0100 = Alarm is active

Unacknowledged Status:

0x0000 = Historic alarm is acknowledged by the user

0x0100 = Historic alarm is unacknowledged by the user

Last Alarm - Time Stamp

45007

45011

DATETIME

Float32

–

Last Alarm - Value

Read Device Identification

The meters supports the Read Device Identification function with the mandatory objects

VendorName, ProductCode and Revision Number.

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Object ID Name/Description

Length Value

Note

0x00

0x01

0x02

VendorName

SchneiderElectric

–

A9MEM3150

A9MEM3155

A9MEM3250

A9MEM3255

A9MEM3350

A9MEM3355

V1.0

The ProductCode value is identical to the catalog number

of each device.

ProductCode

MajorMinorRevision

Equivalent to X.Y in register 1637

The Read Device ID codes 01 and 04 are supported:

•

01 = request to get basic device identification (stream access)

04 = request to get one specific identification object (individual access)

The Modbus request and response are compliant with the Modbus Application Protocol Specification.

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Communications via LonWorks

Chapter 6

Communications via LonWorks

What is in this chapter?

This chapter contains the following sections:

LonWorks communications overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

LonWorks communication implementation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

Standard network variable types (SNVTs) and configuration properties for

reading data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

Meter configuration properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

Echelon LonMaker plug-in for data display and meter configuration . . . . . . . . . . . . 71

LonWorks communications overview

LonWorks communications is available on the iEM3175, iEM3275 and iEM3375.

The information in this section assumes that you have an advanced understanding of LonWorks

communications, your communications network and the power system that your device is connected

to.

Related topics

•

See the LonMark International website at www.lonmark.org for more information on LonTalk

protocol or LonWorks communications.

LonWorks communication implementation

External interface file (XIF)

The variables and configuration properties for the meter are documented in the external interface file

(XIF). The XIF file is loaded onto the meter where your LNS (LonWorks Network Services) software

can download it. You can also download the XIF file from www.schneider-electric.com if you need to

manually add the XIF file to your software.

The LonMaker plug-ins

The plug-ins allow you to configure the meter and view meter data in Echelon LonMaker.

LED indicators for LonWorks meters

The LonWorks meters have two LonWorks status LEDs: the red service LED and the green

communications LED.

Red service LED

This LED provides the status of LonWorks operations.

LED state

Description

The LED is off

The meter is configured. It may be online or offline.

The LED is flashing The meter is unconfigured but has an application.

•

The meter is unconfigured and without an application, or

There is a defective internal memory issue.

The LED is on

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Green communications LED

This LED provides the status of the meter’s communications with the network.

LED state

Description

The LED is off

Communication is not active.

The LED is flashing Communication is active.

Location of the service pin and Neuron ID

The service pin is located on the front panel. Press this when requested by your LNS software in order

to identify the meter to your LonWorks network.

You can also find the Neuron ID on the meter label if you need to manually enter it into your LNS

software.

Service pin

Location of the Neuron ID on the front panel

LON

C/- DI

ESC

Reset

Neuron ID: 000000000000

S/N: 0000000000

Config

Related topics

•

See “Hardware overview” on page 16 for the location of the communications LED.

See “Input, output and communications wiring” on page 24 for information on wiring the device

communications.

•

See “Echelon LonMaker plug-in for data display and meter configuration” on page 71 for

instructions on installing and using the LonMaker plug-in.

Standard network variable types (SNVTs) and configuration properties for reading data

The following sections outline the standard network variable types (SNVTs), the standard

configuration property types (SCPTs), and user configuration property types (UCPTs) that you can

access to read data from the meter.

Related topics

•

See “Meter configuration properties” on page 68 for more information on configuring settings using

LonWorks.

General variables

Network variable label

Type

Description

nviRequest

nvoStatus

SCPTpartNumber

SCPToemType

For LonWorks internal communication.

System variables

Network variable label

Type

Description

nvoFileDirectory

nvoResponse

SNVT_address

SNVT_count

Configuration parameter file directory address (LonMark)

Command result (LonMark)

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Network variable label

Type

Description

Device error status

Error bitmap: each bit of the bitmap provides error information about

the device. If value of the bit = 1, that error is active.

Bit0 = Code 101: EEPROM error

Bit1 = Code 102: No calibration table

Bit2 = Code 201: mismatch between frequency settings and

frequency measurements

Bit3 = Code 202: mismatch between wiring settings and wiring inputs

Bit4 = Code 203: phase sequence reversed

Bit5 = Not used

nvoErrors

SNVT_state

Bit6 = Code 205: Date and time have been reset due to a power

failure

Bit7 = Not used

Bit8 = Code 207: Abnormal internal clock function

Bit9 = Internal data bus communications error

Bit10 - 15: Not used

SNVT_str_asc

(SCPTpartNumber)

nciMeterModel

nciMeterManf

Device model, stored as an ASCII string (for example, iEM3275)

Manufacturer name (Schneider Electric)

Device serial number

SNVT_str_asc

(SCPToemType)

SNVT_str_asc

(SCPTserialNumber)

nciSerialNumber

nciManfDateTime

SNVT_time_stamp

(SCPTmanfDate)

Date of manufacture

LonWorks firmware major version (for example, 2.xx)

nciDevMajVer

SCPTdevMajVer

SCPTdevMinVer

This variable functions with nciDevMinVer to provide the device’s

LonWorks firmware version

LonWorks firmware minor version (for example, x.34)

nciDevMinVer

This variable functions with nciDevMajVer to provide the device’s

LonWorks firmware version

SNVT_str_asc

(UCPTMeterVersion)

nciMeterVersion

Device firmware version, stored as an ASCII text string

Related topics

•

See “Troubleshooting” on page 103 for more information on the error codes.

See “Network propagation rate setup” on page 70 for information on variables that control the

network update rate.

Energy and energy by tariff measurements

Most energy values are available in both signed 32-bit integer and floating point format. The SNVT is

appended with _l for 32-bit integer values and _f for floating point values.

For example, the SNVTs for total active energy import are as follows:

•

32-bit integer: SNVT_elec_kwh_l

Floating point: SNVT_elec_whr_f

The energy and energy by tariff measurements listed below are preserved through power failures.

Network variable label Type

Description

nvoTotkWhImp

nvoTotkWhExp

nvoTotkVARhImp

nvoTotkVARhExp

nvoTotWhImp

SNVT_elec_kwh_l

Total active energy import

Total active energy export

Total reactive energy import

Total reactive energy export

Total active energy import

Total active energy export

Total reactive energy import

Total reactive energy export

Partial active energy import

Partial reactive energy import

Partial active energy import

Partial reactive energy import

SNVT_elec_kwh_l

SNVT_elec_whr_f

SNVT_elec_kwh_l

SNVT_elec_whr_f

nvoTotWhExp

nvoTotVARhImp

nvoTotVARhExp

nvoPartialkWh

nvoPartialkVARh

nvoPartialWh

nvoPartialVARh

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Network variable label Type

Description

nvoPh1kWh

nvoPh2kWh

nvoPh3kWh

nvoPh1Wh

nvoPh2Wh

nvoPh3Wh

SNVT_elec_kwh_l

SNVT_elec_whr_f

Active energy import phase 1

Active energy import phase 2

Active energy import phase 3

Active energy import phase 1

Active energy import phase 2

Active energy import phase 3

Active tariff

0 = Multi Tariff feature is disabled

1 = rate A (tariff 1) active

nvoTariffActRate

SNVT_count

2 = rate B (tariff 2) active

3 = rate C (tariff 3) active

4 = rate D (tariff 4) active

nvoTariffAkWh

nvoTariffBkWh

nvoTariffCkWh

nvoTariffDkWh

nvoTariffAWh

nvoTariffBWh

nvoTariffCWh

nvoTariffDWh

nvoInMeterAcc

nvoRstEnergyDT

SNVT_elec_kwh_l

SNVT_elec_whr_f

SNVT_count_f

Rate A (tariff 1) active energy import

Rate B (tariff 2) active energy import

Rate C (tariff 3) active energy import

Rate D (tariff 4) active energy import

Rate A (tariff 1) active energy import

Rate B (tariff 2) active energy import

Rate C (tariff 3) active energy import

Rate D (tariff 4) active energy import

Input metering accumulation

Date and time of last energy reset

SNVT_time_stamp

Related topics

•

See “Resets” on page 68 for information on resetting values.

See “Network propagation rate setup” on page 70 for information on variables that control the

network update rate.

Instantaneous (RMS) measurements

Network variable label Type

Description

nvoActPowerPh1

nvoActPowerPh2

nvoActPowerPh3

nvoActPowerSum

nvoRctPowerSum

nvoAppPowerSum

nvoVoltsL1N

SNVT_power_f

Active power Phase 1

Active power Phase 2

Active power Phase 3

Total active power

Total reactive power

Total apparent power

Voltage L1-N

SNVT_power_f

SNVT_volt_f

SNVT_amp_f

SNVT_count_inc_f

SNVT_freq_f

nvoVoltsL2N

Voltage L2-N

nvoVoltsL3N

Voltage L3-N

nvoVoltsLNAvg

nvoVoltsL1L2

Average voltage line-to-neutral

Voltage L1-L2

nvoVoltsL2L3

Voltage L2-L3

nvoVoltsL3L1

Voltage L3-L1

nvoVoltsLLAvg

nvoCurrentPh1

nvoCurrentPh2

nvoCurrentPh3

nvoCurrentAvg

nvoAvgPwrFactor

nvoFrequency

Average voltage line-to-line

Phase 1 current

Phase 2 current

Phase 3 current

Average current

Total power factor

Frequency

Related topics

•

See “Network propagation rate setup” on page 70 for information on variables that control the

network update rate.

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Meter status information

You can read the following network variables to obtain configuration and status information about the

meter. For information on configuring the meter, see the sections on meter configuration properties

and the LonWorks plug-in.

Network variable label SNVT / UCPT type

Basic information and meter configuration

Description

nvoDateTime

nvoOpTimer

SNVT_time_stamp

SNVT_count_32

Meter date and time (DD/MM/YYYY hh:mm:ss)

Meter operation timer: the time in seconds since the meter was last

powered up

System configuration information

Power system configuration:

0 = 1PH2W L-N

1 = 1PH2W L-L

nciSystemType

SNVT_count

2 = 1PH3W L-L with N

3 = 3PH3W

11 = 3PH4W

13 = 1PH4 wire multi L-N

Number of wires

nciWireNum

SNVT_count

2, 3, 4

Number of phases

1, 3

nciPhaseNum

Number of CTs

nciCtNum

nciVtNum

SNVT_count

1, 2, 3

NOTE: only applies to the iEM3275

Number of VTs

0-10

NOTE: only applies to the iEM3275

VT Primary

nciVtPrimary

SNVT_count_32

SNVT_count

NOTE: only applies to the iEM3275

VT Secondary

nciVTSecondary

nciCtPrimary

NOTE: only applies to the iEM3275

CT Primary

NOTE: only applies to the iEM3275

CT Secondary

nciCtSecondary

NOTE: only applies to the iEM3275

VT connection type

0 = Direct connection, no VTs

1 = 3PH3W (2VTs)

2 = 3PH4W (3VTs)

System frequency

50, 60

nciVtConnType

SNVT_count

nciNominalFreq

SNVT_freq_hz

Digital input configuration and status information

Digital input control mode

0 = Normal (input status)

nciDICtrMode

SNVT_count

2 = Multi Tariff control

3 = Input metering

5 = All partial energy reset (configure to reset all partial energy logs)

Pulse constant (pulses/unit)

Digital input status (only Bit 1 is used)

0 = relay open

nciDIPulseConst

nvoDIStatus

SNVT_count_32

SNVT_count

1 = relay closed

NOTE: The information provided by this variable only applies if the

digital input control mode is set to Input Status.

Alarm status

Alarm status (only Bit 1 is used)

0 = Alarm is inactive

nvoAlmStatus

SNVT_count

1 = Alarm is active

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Network variable label SNVT / UCPT type

Description

Acknowledgement status (only Bit 1 is used):

0 = historic alarm is acknowledged by the user

1 = historic alarm is unacknowledged by the user

Timestamp of last alarm (DD/MM/YYYY hh:mm:ss)

Value at last alarm

nvoAlmUnAckState

SNVT_count

nvoAlmLastTime

nvoAlmLastValue

SNVT_time_stamp

SNVT_power_f

Overload alarm configuration:

nciAlmEnable

SNVT_count

0 = disabled

1 = enabled

nciAlmPkUpSetPt

Related topics

SNVT_power_f

Active power alarm pickup setpoint in kW

•

See “Meter configuration properties” on page 68 for information on SCPTs and UCPTs that you

can use to configure the meter.

•

See “Echelon LonMaker plug-in for data display and meter configuration” on page 71 for

instructions on using the LNS plug-in to configure the meter.

Resets

Network variable label

Type

Description

Action

Resets all partial energy accumulators to 0:

•

Partial active energy import (nvoPartialkWh, nvoPartialWh)

Partial reactive energy import (nvoPartialkVARh, nvoPartialVARh)

Rate A active energy import (nvoTariffAkWh, nvoTariffAWh)

Rate B active energy import (nvoTariffBkWh, nvoTariffBWh)

Rate C active energy import (nvoTariffCkWh, nvoTariffCWh)

Rate D active energy import (nvoTariffDkWh, nvoTariffDWh)

Active energy import phase 1 (nvoPh1kWh, nvoPh1Wh)

Active energy import phase 2 (nvoPh2kWh, nvoPh2Wh)

Active energy import phase 3 (nvoPh3kWh, nvoPh3Wh)

nciRstPartEnergy

SNVT_switch

SNVT_swtich

To reset, set the state field to 1.

nciRstInMeterAcc

Resets input metering accumulation (nvoInMeterAcc) to 0

Meter configuration properties

You can configure the meter using the configuration properties listed in this section. However, it is

recommended that you use the Echelon LonMaker plug-in if you are configuring the meter using

LonWorks communications.

NOTE: If Com. Protection is enabled, you may receive an error response when you try to configure

the meter over communications.

Related topics

•

See “Com. Protection setting” on page 39 for more information on the Com. Protection feature.

See “Echelon LonMaker plug-in for data display and meter configuration” on page 71 for

instructions on using the LNS plug-in to configure the device.

Date/time setup

Function profile UCPT

Struct Members Range / options

year

2000 - 2099

1 - 12

month

day

1 - 31

nciCfgDateTime

UCPTDateTime

hour

0 - 23

minute

second

0 - 59

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Basic setup

Function profile UCPT

Struct Members

Range / options

Description

0 = 1PH2W L-N

1 = 1PH2W L-L

2 = 1PH3W L-L with N

3 = 3PH3W

SystemType

0, 1, 2, 3, 11, 13

11 = 3PH4W

13 = 1PH4 wire multi L with N

Nominal frequency in Hz

NominFreq

VtPrimary

50, 60

The minimum value for VtPrimary

must be equal to or greater than

the value set for VtSecondary.

0 - 1000000.0

nciCfgWiring

UCPTWiring

VtSecondary

CtNum

100, 110, 115, 120

1, 2, 3

—

CtPrimary

CtSecondary

1 - 32767

1, 5

—

VT connection type

0 = Direct connection

1 = 3PH3W (2VTs)

2 = 3PH4W (3VTs)

VtConnType

0, 1, 2

Digital input setup

Function profile UCPT

Struct Members Range / options Description

Associates the digital input to reset partial

energy data:

0 = Digital input is not associated with the

partial energy reset.

1 = Digital input is associated with the partial

energy reset.

nciCfgDigitInpt

UCPTDigitalInput

—

0, 1

Setting this property to 1 also updates

nciDICtrlMode (UCPTDiCtrlMode) to All

Energy Reset.

Input metering setup

Function profile UCPT

Struct Members Range / options Description

Sets the pulse weight (1 - 10000 ms)

Setting this property also sets

nciDIPulseConst (UCPTDiPulseConst) to

the same value.

PulseWeight

1 - 10000

Associates the digital input with input

metering:

0 = Digital input is not associated with input

metering.

nciCfgInptMetAcc UCPTInputMetering

1 = The digital input is associated with input

metering.

DigitalAssociation

0, 1

Setting this property to 1 also updates

nciDICtrlMode (UCPTDiCtrlMode) to Input

Metering.

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Overload alarm setup

Function profile UCPT

Struct Members Range / options Description

Enable or disable the overload alarm:

0 = Disabled

AlmEnable

0, 1

nciCfgOvLoadAlm UCPTOverLoadAlarm

1 = Enabled

PkUpSetpoint

1 - 9999999

The pickup value for the overload alarm

Acknowledgement status (only Bit 1 is

used):

0 = historic alarm is acknowledged by

the user

nciCfgOvLoadAck UCPTOverLoadAlmAck —

0, 1

1 = historic alarm is unacknowledged by

the user

Multi Tariff setup

Function profile UCPT

Struct Members Range / options Description

Set Multi Tariff control mode to Disabled or by

Communication

0 = Disabled

nciCfgCommTariff UCPTTariffMode

—

0, 1

1 = by Communication

NOTE: To configure the Multi Tariff feature to

be controlled by the digital input or device

clock, use the HMI.

Set the active tariff

1 = Rate A (tariff 1)

2 = Rate B (tariff 2)

3 = Rate C (tariff 3)

4 = Rate D (tariff 4)

nciCfgTariffSel

UCPTTariffSelect —

1, 2, 3, 4

NOTE: You can only set the tariff using this

method if the Tariff Mode is set to by

Communication.

Network propagation rate setup

The following configuration properties help control network traffic by controlling the rate at which

variable values are sent to your LNS.

nci variable

UCPTs/SCPTs

Applies to...

Description

•

nciErrors

nciAllEnergy

nciAllPower

nciAllVoltage

nciAllCurrent

nciAllPowerFactor

nciFrequency.

Limits the total number of updates sent per second for listed nci variables.

If more than the specified number of updates are queued to be sent out in any 1

second period, the excess updates are delayed until the next second to reduce

network traffic. The number of updates sent per second varies depending on

the connection type updates from network variables that are not controlled by

this configuration property.

nciMaxNvSntPerSec

UCPTNVUpdtLimit

Maximum interval, in seconds, between transmissions of error values to the

network.

nciErrors

SCPTmaxSendTime

•

nvoErrors

The value of the applicable variable is sent after the interval has elapsed,

regardless of whether or not the value of the variable has changed. The counter

is reset to 0.

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nci variable

UCPTs/SCPTs

Applies to...

Description

Floating-point energy values:

•

nvoTotWhImp

nvoTotWhExp

nvoTotVARhImp

nvoTotVARhExp

nvoPartialWh

nvoPartialVARh

nvoPh1Wh

nvoPh2Wh

nvoPh3Wh

nvoTariffAWh

nvoTariffBWh

nvoTariffCWh

nvoTariffDWh

nciAllEnergy

SCPTminSendTime

•

nvoActPowerPh1

nvoActPowerPh2

nvoActPowerPh3

nvoActPowerSum

nvoRctPowerSum

nvoAppPowerSum

The minimum interval, in seconds, between consecutive transmissions of the

listed variable values to the network.

nciAllPower

SCPTminSendTime

No updates to the value of the applicable variables are sent over the network

until the minimum interval has elapsed, regardless of whether or not the value of

the variable has changed.

After an update is sent, the counter is reset to 0.

•

nvoVoltsL1N

nvoVoltsL2N

nvoVoltsL3N

nvoVoltsLNAvg

nvoVoltsL1L2

nvoVoltsL2L3

nvoVoltsL3L1

nvoVoltsLLAvg

nciAllVoltage

nciAllCurrent

SCPTminSendTime

•

nvoCurrentPh1

nvoCurrentPh2

nvoCurrentPh3

nvoCurrentAvg

nciAllPowerFactor

nciFrequency

SCPTminSendTime

•

nvoAvgPwrFactor

nvoFrequency

Echelon LonMaker plug-in for data display and meter configuration

The information in this section assumes that you have an advanced understanding of system

administration using Echelon LonMaker.

The LonMaker plug-in provides a graphical user interface where you can view meter values and

configure meter settings. Once you install and register the plug-in with LonMaker, it opens instead of

the default LonMaker browser when you browse the meter in LonMaker.

To add devices to LonMaker, you need access to the device service pin when commissioning the

device or your need the device Neuron ID recorded in an accessible location.

Related topics

•

Refer to http://www.echelon.com/products/tools/integration/lonmaker/ and the LonMaker

documentation for more information on using LonMaker.

•

See “Location of the service pin and Neuron ID” on page 64 for the location of the service pin and

Neuron ID.

Installing and registering the LonMaker plug-in

Before you install the plug-in:

•

Download the plug-in and XIF file for your device from www.schneider-electric.com or contact your

sales representative to obtain these files.

Make sure Echelon LonMaker is closed.

1. Navigate to the location where you saved the plug-in. Extract the files if they are in a .zip file.

2. Double-click setup.exe. A welcome screen appears. Click Next.

3. Select the installation folder where you want to install the plug-in. Click Browse if you want to

select a different location. Click Next. A confirmation screen appears.

4. Click Next to begin the installation.

NOTE: If LonMaker is open, a message appears instructing you to close LonMaker and restart the

plug-in installation.

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A screen appears when the installation is complete. Click Close.

5. Navigate to Start > Programs > Schneider Electric and select the registration entry for the plug-

in you installed (for example, Schneider Electric iEM3275 Plugin Registration). The LNS

Plugin Registration dialog box appears, indicating that registration is complete.

Make sure that the plug-in appears in the list of registered plug-ins in LonMaker before you try to

connect to a meter using the plug-in. If it does not appear, you may need to re-register the plug-in.

Once the plug-in is installed and registered, add the meter to LonMaker. You can either read the

template (.XIF) from the device during commissioning or select the EnergyMeter5A or

EnergyMeter63A template when you add the device to LonMaker.

Related topics

•

Refer to the Echelon LonMaker documentation for information on registering the plug-in.

Browsing the meter using the LonMaker plug-in

In order to use the plug-in to view data and configure the meter:

•

The plug-in must be installed and registered.

The meter must be added to LonMaker and commissioned.

1. Open LonMaker.

2. Right-click the meter icon and select Browse. The meter plug-in appears.

NOTE: If the meter-specific plug-in does not open, the plug-in may not be correctly registered or

the meter may not be properly commissioned in LonMaker. Double-check the registration and

meter commissioning. Refer to the Echelon LonMaker documentation for more information.

LonMaker plug-in interface

The plug-in has the following tabs:

Tab name

Description

Meter Info

This tab provides basic information about the meter (for example, model and serial

number) and any active error codes.

Energy Measure

RMS Measure

This tab provides total and partial energy values as well as energy per phase and

energy by tariff information. You can also reset energy and input metering

accumulations on this tab.

This tab provides power, current, and voltage values as well as frequency and power

factor information.

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Tab name

Description

Meter Status

This tab provides information on the settings and status of the digital input and alarms

as well as existing power system settings.

Meter Config

Diagnostics

This tab provides access to the meter configuration properties, allowing you to

configure power system, digital input, alarm, Multi Tariff and time settings.

NOTE: If you see a message that the configuration was unsuccessful, make sure: 1) the meter is

properly commissioned in LonMaker and the plug-in is communicating with the meter, and 2)

that Com. Protection is disabled on the meter.

This tab provides LonMaker diagnostics information related to the meter.

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Communications via M-Bus

Chapter 7

Communications via M-Bus

What is in this chapter?

This chapter contains the following sections:

M-Bus communications overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

M-Bus protocol support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

M-Bus protocol implementation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

Variable data structure telegram information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77

Telegram information for data records . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79

Telegram information for meter configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82

M-Bus tool for data display and meter configuration . . . . . . . . . . . . . . . . . . . . . . . . . 85

M-Bus communications overview

M-Bus is a master / slave communications protocol where the master initiates transactions and the

slave(s) respond with the requested information or action. Data is transferred using hexadecimal

telegrams.

Communications via M-Bus protocol is available on the iEM3135, iEM3235 and iEM3335.

The information in this section is intended for users with an advanced understanding of M-Bus

protocol, their communications network and their power system.

Configuring basic communications settings

Before communicating with the meter via M-Bus protocol, use the HMI to configure the following

settings:

Setting

Possible values

300

600

1200

2400

4800

9600

1–250

Baud rate

Primary address

Key terms

Term

Definition

The control or function field of the telegram. It provides information about the telegram, such as the

direction of data flow (master to slave or slave to master), the status of the data flow and the

function of the message.

C-Field

The control information field of the telegram. It defines the type and sequence of data to be

transmitted.

CI-Field

Fixed data header

DIF

Contains device and manufacturer identification information.

Data information field. The DIF contains information about the function of the data (for example,

instantaneous versus maximum) and the data format (for example, 16-bit integer).

Data information field extension. A DIFE contain additional information about the data, such as tariff

and subunit.

DIFE

A device that issues commands and receives responses from slave devices. There can be only one

master per serial network.

Master

Slave

A device that provides information or performs actions in response to requests from the master.

Value information field and value information field extension. The VIF and VIFE contain information

about the value (for example, whether it is an energy or power value).

VIF / VIFE

The meter uses both primary VIFE (as detailed in the M-Bus protocol documentation) and

manufacturer-specific VIFE.

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Related topics

•

See the M-Bus organization website at www.m-bus.com for more information on the M-bus

protocol.

•

See “Hardware overview” on page 16 for the location of the communications LED.

See “Communications setup” on page 84 for information on setting the baud rate using a

telegram.

M-Bus protocol support

The meter supports the M-Bus protocol as follows:

•

Mode 1 communications (least significant bit first).

Telegram formats:

— Single character

— Short frame

— Long frame

•

Function codes (C-field bits 3-0):

— SND_NKE: Initiates of communications between the master and slave.

— SND_UD: The master sends user data to the slave.

— REQ_UD2: The master requests Class 2 user data from the slave.

— RSP_UD: The slave sends requested data to the master.

Secondary addressing in accordance with the M-Bus standard.

Broadcast telegrams.

•

Related topics

•

See the M-Bus organization website at www.m-bus.com for more information on the M-Bus

protocol, including secondary addressing procedures.

•

See “Fixed data header” on page 77 for the meter-specific information required for secondary

addressing (for example, identification number, manufacturer and medium).

M-Bus protocol implementation

M-Bus tool for viewing data and configuring the meter

The M-Bus tool provides a graphical user interface where you can view meter data and configure

meter settings. To obtain the tool, go to www.schneider-electric.com and search for your meter model

then select Downloads or contact your local Schneider Electric representative.

Communications LED indicator for M-Bus meters

The communications LED indicates the status of the communications between the meter and the

network as follows:

LED state

Description

Communication with the meter has been established.

NOTE: The LED flashes even if there is a communications error.

There is no active communication.

The LED is flashing

The LED is off

Related topics

•

See “Hardware overview” on page 16 for the location of the communications LED.

See “M-Bus tool for data display and meter configuration” on page 85 for information on obtaining

and using the M-Bus tool.

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Variable data structure telegram information

Fixed data header

Byte 1-4

Identification No.

Byte 5-6

Manufacturer

Byte 7

Version

Byte 8

Medium

Byte 9

Access No.

Byte 10

Status

Byte 11-12

Signature

Serial number of the meter in an

8-digit, BCD coded format

Firmware version of the

communications board

4CA3 hex =

Schneider Electric

Counter of successful Indicates M-Bus

02 hex (electricity)

Not used

access attempts

application errors

The serial number can also be

found on the meter front panel.

10 = version 1.0

Data record header information

Data formats used by the meter (DIF bits 3-0)

NOTE: x in the hex value is determined by bits 7-4 of the DIF.

Format

bin

hex

No data

0000

0001

0010

0011

0100

0101

0110

0111

1101

8-bit integer

16-bit integer

24-bit integer

32-bit integer

32-bit real

48-bit integer

64-bit integer

Variable length

Data function types used by the meter (DIF bits 5-4)

Function type

bin

Instantaneous

Maximum

Primary VIF used by the meter

NOTE: E denotes the extension bit; x in the hex value is determined by bits 7-4 of the VIF.

Primary VIF

bin

hex

Description

Energy

Power

E000 0011

E000 1110

Wh with a resolution of 10

kW with a resolution of 10

Date and time in data type F, as detailed in the M-Bus

protocol documentation

Time point

E110 1101

Data type C (unsigned integer), as detailed in the M-Bus

protocol documentation

Bus address

Primary VIFE

E111 1010

1111 1101

Indicates that the first VIFE is a primary VIF extension

Indicates that the next VIFE is manufacturer specific

Manufacturer-specific VIFE 1111 1111

Primary VIFE codes used by the meter

The primary VIFE codes in the table below are used by the meter when the VIF equals FD hex

(1111 1101 bin).

NOTE: E denotes the extension bit; x in the hex value is determined by bits 7-4 of the VIFE.

Primary VIFE codes bin

hex

Additional information

Manufacturer

Model

E000 1010

—

E000 1100

E100 1001

E101 1100

E001 1010

E001 1011

—

Voltage

Volts with a resolution of 10

Current

Amps with a resolution of 10

Digital output

Digital input

—

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Primary VIFE codes bin

hex

Additional information

Cumulation counter

Error flag

E110 0001

E001 0111

Input metering accumulation

—

Manufacturer-specific VIFE codes

The manufacturer-specific VIFE codes in the table below are used by the meter when the VIF equals

FF hex (1111 1111 bin).

NOTE: E denotes the extension bit; the hex value assumes E = 0.

Description

bin

hex

L1 value

L2 value

L3 value

E000 0001

E000 0010

E000 0011

E000 1001

E000 1101

E000 0000

E000 0100

E000 0101

E000 0110

E000 0111

E000 1000

E000 1010

E000 1011

E000 1100

E000 1110

E000 1111

E001 0000

E001 0001

E010 0000

E010 0001

E010 0010

E010 0011

E010 0100

E010 0101

E010 0110

E010 0111

E010 1000

E010 1001

E010 1010

E010 1011

E010 1100

Export energy value

Partial energy value

Average current

L-N Avg

L1-L2

L2-L3

L3-L1

L-L Avg

Power Factor

Frequency

Energy reset date and time

Input metering reset date and time

Input metering accumulation

Active tariff (Energy active rate)

Tariff control mode

Meter operation timer

Number of phases

Number of wires

Power system configuration

Nominal frequency

Number of VTs

VT primary

VT secondary

Number of CTs

CT Primary

CT Secondary

VT connection type

Energy pulse duration

Digital output association with active energy pulsing E010 1101

Pulse weight

E010 1110

E010 1111

E011 0000

E011 0010

E011 0100

E011 0101

E011 0110

E011 0111

E011 1000

E011 1001

E011 1010

Pulse constant

Digital input association

Digital input status

Overload alarm setup

Pickup setpoint

Digital output association with overload alarm

Activated status

Acknowledgement

Date and time of last alarm

Value at last alarm

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Telegram information for data records

The following sections outline the telegram information used in data records. The tables contain the

following information (if applicable):

•

Data format in hex (for example, 16-bit integer)

Primary VIF in hex

Primary VIFE codes in bin and hex

Manufacturer-specific VIFE codes in bin and hex

Meter information

NOTE: E denotes the extension bit; the hex value assumes E = 0.

Primary VIF Extension

Data format

Description

bin

hex

Manufacturer

E000 1010

E000 1100

18-bit ASCII = Schneider Electric

Model

Meter error codes:

0 = Code 101: EEPROM error

1 = Code 102: No calibration table

2 = Code 201: Mismatch between frequency settings and frequency measurements

3 = Code 202: Mismatch between wiring settings and wiring inputs

4 = Code 203: Phase sequence reversed

E0001 0111 17

5 = Code 204: Total active energy negative due to incorrect voltage or current

connections

6 = Code 205: Date and time are reset due to a power failure

7 = Code 206: Pulse missing due to overspeed of energy pulse output

8 = Code 207: Abnormal internal clock function

9 = Internal data bus communications error

Related topics

•

See “Troubleshooting” on page 103 for more information on the diagnostics codes.

Energy and energy by tariff measurements

The energy and energy by tariff measurements listed below are preserved through power failures.

NOTE: E denotes the extension bit; the hex value assumes E = 0.

Primary VIFE

bin hex

Manufacturer-specific VIFE

bin hex

Data format DIFE Primary VIF

Description

—

Total active energy import

E000 1001

—

Total active energy export

Total reactive energy import

Total reactive energy export

Partial active energy import

Partial reactive energy import

Active energy import phase 1

Active energy import phase 2

Active energy import phase 3

Active tariff

E000 1001

E000 1101

E000 0001

E000 0010

E000 0011

0 = Multi Tariff feature is disabled

1 = rate A (tariff 1) active

—

E001 0000

2 = rate B (tariff 2) active

3 = rate C (tariff 3) active

4 = rate D (tariff 4) active

—

Rate A (tariff 1) active energy import

Rate B (tariff 2) active energy import

Rate C (tariff 3) active energy import

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Primary VIFE

bin hex

Manufacturer-specific VIFE

bin hex

Data format DIFE Primary VIF

Description

80 10

—

Rate D (tariff 4) active energy import

Input metering accumulation

E110 0001

—

E000 1100

E000 1110

Date and time of last partial energy reset

Date and time of last input metering reset

—

Instantaneous measurements

NOTE: E denotes the extension bit; the hex value assumes E = 0.

Primary VIFE

bin hex

Manufacturer-specific VIFE

Data format DIFE Primary VIF

Description

bin

hex

—

80 40

—

E000 0001

E000 0010

E000 0011

—

Active power Phase 1

—

Active power Phase 2

Active power Phase 3

Total active power

Total reactive power

Total apparent power

Voltage L1-N

—

E100 1001

E101 1100

—

E000 0001

E000 0010

E000 0011

E000 0100

E000 0101

E000 0110

E000 0111

E000 1000

E000 0001

E000 0010

E000 0011

E000 0000

E000 1010

E000 1011

Voltage L2-N

Voltage L3-N

Average voltage line-to-neutral

Voltage L1-L2

Voltage L2-L3

Voltage L3-L1

Average voltage line-to-line

Phase 1 current

Phase 2 current

Phase 3 current

Average current

Total power factor

Frequency

—

Meter status information

Use the following information to read system and status information from the meter. See the section

regarding telegram information for meter configuration for more information on writing to the meter.

Date and time information

NOTE: E denotes the extension bit; the hex value assumes E = 0.

Manufacturer-specific VIFE

Description

Data format Primary VIF

bin

hex

—

Meter date and time (DD/MM/YYYY hh:mm:ss)

E010 0000

Meter operation timer: the time in seconds since the device was last powered up

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Power system configuration information

NOTE: E denotes the extension bit; the hex value assumes E = 0.

Manufacturer-specific VIFE

Data format

Description

bin

hex

Power system configuration:

0 = 1PH2W L-N

1 = 1PH2W L-L

E010 0011

2 = 1PH3W L-L with N

3 = 3PH3W

11 = 3PH4W

13 = 1PH4 wire multi L with N

Number of wires

E010 0010

E010 0001

2, 3, 4

Number of phases

1, 3

Number of CTs

E010 1000

E010 0101

1, 2, 3

NOTE: only applies to the iEM3235

Number of VTs

0-10

NOTE: only applies to the iEM3235

VT Primary

E010 0110

E010 0111

E010 1001

E010 1010

NOTE: only applies to the iEM3235

VT Secondary

NOTE: only applies to the iEM3235

CT Primary

NOTE: only applies to the iEM3235

CT Secondary

NOTE: only applies to the iEM3235

VT connection type

0 = Direct connection, no VTs

1 = 3PH3W (2VTs)

2 = 3PH4W (3VTs)

Nominal frequency

50, 60

E010 1011

E010 0100

Digital input and output status information

NOTE: E denotes the extension bit; the hex value assumes E = 0.

Primary VIFE

Manufacturer-specific VIFE

bin hex

Data format

Description

bin

hex

Digital input control mode:

0 = Normal (Input Status)

2 = Multi Tariff control

3 = Input metering

E001 1011

—

5 = All partial energy logs reset

Pulse constant (pulses/unit)

Digital input status:

—

E010 1111

E011 0010

0 = relay open

1 = relay closed

NOTE: This information only applies if the digital input control mode is set

to Input Status.

Digital input association with partial energy data reset

0 = Digital input is not associated with the partial energy reset

1 = Digital input is associated with the partial energy reset

Energy pulse duration in milliseconds

—

E011 0000

E010 1100

NOTE: This information only applies if the digital output mode is set to

energy pulsing.

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Primary VIFE

bin hex

Manufacturer-specific VIFE

Data format

Description

bin

hex

Pulse weight of the digital output

—

E010 1110

—

NOTE: This information only applies if the digital output mode is set to

energy pulsing.

Digital output control mode

2 = for Alarm

E001 1010

—

3 = for Pulse (kWh)

0xFFFF = Disabled

Digital output association with energy pulsing:

0 = Digital output disabled

—

E010 1101

E011 0110

1 = for Pulse (digital output is associated with active energy pulse output)

Digital output association with overload alarm:

0x0000 = digital output disabled

0x0100 = for Alarm (digital output is associated with the overload alarm)

Alarm status information

NOTE: E denotes the extension bit; the hex value assumes E = 0.

Manufacturer-specific VIFE

Data format Primary VIF

Description

bin

hex

Alarm status:

—

E011 0111

0x0000 = Alarm is inactive

0x0100 = Alarm is active

Acknowledgement status:

E011 1000

0x0000 = historic alarm is acknowledged by the user

0x0100 = historic alarm is unacknowledged by the user

Timestamp of last alarm (DD/MM/YYYY hh:mm:ss)

Value at last alarm

—

E011 1001

E011 1010

Overload alarm configuration:

—

E011 0100

E011 0101

0x0000 = disabled

0x0100 = enabled

The pickup setpoint in kW for the overload alarm

Telegram information for meter configuration

You can use the information provided in this section to write to the meter using a SND_UD function.

NOTE: If Com. Protection is enabled, you may receive an error response when you try to configure

the meter over communications.

You can also configure the meter using the M-Bus tool available from www.schneider-electric.com.

Supported VIFE codes for meter configuration

NOTE: E denotes the extension bit; the hex value assumes E = 0.

VIFE code

Action

Description

bin

hex

E000 0000

E000 0111

Write and replace

Clear

Replaces the old value with the new value.

Resets an accumulated value to 0 (zero).

Related topics

•

See “Configuration mode menus” on page 40 for information on enabling and disabling

Com. Protection.

•

See “M-Bus tool for data display and meter configuration” on page 85 for information on the

M-Bus tool.

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Date/time setup

Data format Primary VIF

Description

Type F data type, as described in the M-Bus protocol documentation.

Supports the date and time in the following format YYYY:MM:DD hh:mm:ss.

Power system setup

NOTE: E denotes the extension bit; the hex value assumes E = 0.

Manufacturer-specific VIFE

Range/options

SND_UD

code

Data format

Description

bin

hex

Power system configuration:

0 = 1PH2W L-N

1 = 1PH2W L-L

E010 0011

0, 1, 2, 3, 11, 13

2 = 1PH3W L-L with N

3 = 3PH3W

11 = 3PH4W

13 = 1PH4 wire multi L with N

Nominal frequency

E010 0100

E010 0110

E010 0111

E010 1000

E010 1001

E010 1010

50, 60

VT Secondary - 1000000.0

VT Primary (iEM3235 only)

VT Secondary (iEM3235 only)

Number of CTs (iEM3235 only)

CT Primary (iEM3235 only)

CT Secondary (iEM3235 only)

VT Connection Type (iEM3235 only)

0 = direct connect

100, 110, 115, 120

1, 2, 3

1-32767

1, 5

E010 1011

0, 1, 2

1= 3PH3W (2 VTs)

2 = 3PH4W (3 VTs)

Multi Tariff setup

NOTE: E denotes the extension bit; the hex value assumes E = 0.

Manufacturer-specific VIFE

Range/options

SND_UD

code

Data format

Description

bin

hex

Set Multi Tariff control mode to Disabled or by

Communication:

0 = Disabled

E001 0001

0,1

1 = by Communication

NOTE: To configure the Multi Tariff feature to be controlled

by the digital input or device clock, use the HMI.

Set the active tariff:

1 = Rate A (tariff 1)

2 = Rate B (tariff 2)

3 = Rate C (tariff 3)

4 = Rate D (tariff 4)

E001 0000

1, 2, 3, 4

NOTE: You can only set the tariff using this method if the

Tariff Mode is set to by Communication.

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SND_UD code Data format Primary VIF

Range/options

Description

0-250

Primary address

To change the baud rate via communications, send a telegram to the meter with the appropriate value

in the CI-field:

Baud rate Hex value for CI-field

300

600

1200

2400

4800

9600

Digital input setup

NOTE: E denotes the extension bit; the hex value assumes E = 0.

Manufacturer-specific VIFE

SND_UD

code

Data format

Range/options

Description

bin

hex

Digital input control mode

0 = Normal (Input Status)

3 = Input metering

E001 1011

0, 3, 5

5 = Partial energy reset

Pulse constant (pulses/unit; applicable when the digital

input is used for input metering)

E010 1111

1-10000

Digital output setup

NOTE: E denotes the extension bit; the hex value assumes E = 0.

Manufacturer-specific VIFE

Range/options

SND_UD

code

Data format

Description

bin

hex

Digital output control mode

2 = Alarm

E001 1010

2, 3, 0xFFFF

3 = Energy (energy pulsing)

0xFFFF = Disable

iEM3135 / iEM3335: 1, 10, 20, 100, Pulse constant

200, 1000

E010 1110

E010 1100

NOTE: This information only applies if the digital output

iEM3235: 0.01, 0.1, 1, 10, 100, 500 control mode is set to for Pulse.

Pulse width in ms

50, 100, 200, 300

NOTE: This information only applies if the digital output

control mode is set to for Pulse.

Overload alarm setup and acknowledgment

Use the information in the table below to configure the overload alarm.

NOTE: E denotes the extension bit; the hex value assumes E = 0.

Manufacturer-specific VIFE

SND_UD

Data format

Range/options

Description

code

bin

hex

The pickup setpoint in kW for the

overload alarm

E011 0101

0 - 9999999

Overload alarm setup:

0 = Disable

E011 0100

0,1

1 = Enable

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Use the information in the table below to acknowledge the overload alarm.

NOTE: E denotes the extension bit; the hex value assumes E = 1.

Manufacturer-specific VIFE

SND_UD

Data format

Range/options

Description

code

bin

hex

E011 1000

—

Acknowledge alarm

Resets

NOTE: E denotes the extension bit; the hex value assumes E = 1.

Primary VIFE

bin hex

Manufacturer-specific VIFE

SND_UD

code

Data format

Description

bin

hex

—

E000 1101

—

Resets partial energy accumulation to 0.

Resets input accumulation to 0.

E110 0001 E1

M-Bus tool for data display and meter configuration

The M-Bus tool provides a graphical user interface where you can view meter data and configure

meter settings. To obtain the tool, go to www.schneider-electric.com and search for your meter model

then select Downloads or contact your local Schneider Electric representative.

If you access a different meter without closing and re-opening the M-Bus tool, the fields displayed in

the tool may not match the device you are accessing. The M-Bus tool may indicate a setting was

changed without the setting on the meter actually changing.

NOTICE

INACCURATE DEVICE SETTINGS

Do not rely on the configuration information displayed in the M-Bus tool to determine if the

associated device is correctly configured.

Failure to follow these instructions can result in inaccurate device settings and data results.

Installing the M-Bus tool

Before you install the tool, you need to download it from www.schneider-electric.com or obtain it from

your sales representative.

1. Navigate to the location where you saved the installation files.

2. Double-click setup.exe. A welcome screen appears. Click Next.

3. Confirm the installation location for the tool. Click Browse if you want to select a different location.

Click Next. A confirmation screen appears.

4. Click Next to begin the installation. A screen appears when the installation is complete.

5. Click Close.

Accessing the meter using the tool

Before you access the meter using the M-Bus tool, make sure that you:

•

connect the meter to a level converter (for a direct serial connection) or a level converter and

gateway (for connection via a serial or Ethernet network).

•

set the address of the device to a value other than 0 (zero) using the HMI.

install the M-Bus tool on your computer.

1. Select Start > Programs > Schneider Electric > Mbus config tool (or navigate to the location

where you installed the program) and click SE_iEM3135_3235_3335 Mbus Tool to open the tool.

The login screen appears.

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2. Select the port on your computer that you are using to connect to the meter and select the baud

rate that matches the meter’s configuration.

3. Click Test Com to open the communications port.

4. Type the device address in the Address field.

5. Select the communications mode that you want the tool to start in:

— Monitor(Automatic): The tool automatically sends read requests to and receives data from

the meter. You can set the interval at which these read requests are sent.

— Monitor(Manual): You must manually send a read request to get data from the meter.

— Config: The tool opens in configuration mode.

You can change the mode from within the tool, if needed.

6. Click OK to start the M-Bus tool and access the meter.

Viewing meter data using the M-Bus tool

You can use two modes to view data from the device:

•

Automatic mode: Select the update interval from the Interval dropdown list.

Manual mode: Press Req_UD2 to request data from the meter.

To switch modes, select Setup > Monitor then select the mode you want to use.

The tool has the following tabs for viewing meter information:

Tab name

Description

This tab provides basic information about the meter (for example, model and serial number) and any

active error codes. Click Clear to remove the error codes from the display.

Meter Info

This does not resolve the errors.

This tab provides total and partial energy, energy per phase and energy by tariff information, as well as

input accumulations and the date and time of the last input metering and partial energy resets.

Energy Measure

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Tab name

Description

RMS Measure

This tab provides power, current, and voltage values as well as frequency and power factor information.

This tab provides information on the settings and status of the digital input, digital outputs and alarms as

well as existing power system settings.

Meter Status

Configuring the meter using the M-Bus tool

1. Select Setup > Config to switch to configuration mode.

2. Set the values that you want to change then click Send for that value or section. For example, to

change the nominal frequency, select a different value from the list then click Send in Set Wiring.

Some values may be unavailable based on existing settings.

NOTE: If Com. Protection is enabled, you may receive a message that the configuration failed.

Use the HMI to either: 1) configure the meter, or 2) disable Com. Protection then configure the

meter using the tool.

The configuration screen has the following sections:

Section

Description

Configure power system settings (for example, power system configuration and nominal

frequency).

Set Wiring

Set Digital Input

Set the digital input mode and pulse constant.

Set Digital Output

Enable / disable the digital output and set the control mode, pulse weight and duration.

Disable the Multi Tariff feature or set the control mode to by Communication and set the active tariff

if the control mode is set to by Communication.

Set Multi Tariff

Set Power Alarm

Reset

Enable / disable to the overload alarm, enter the setpoint, and acknowledge alarms.

Reset partial energy and input metering accumulations.

Set the date and time or send a time synchronization signal to set the meter to the computer time.

Set the baud rate.

Set Date Time

Set Baudrate

Set Address

Set the meter address.

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Communications via BACnet

Chapter 8

Communications via BACnet

What is in this chapter?

This chapter contains the following sections:

BACnet communications overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89

BACnet protocol support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89

BACnet communications implementation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90

BACnet object and property information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91

BACnet communications overview

Communications via BACnet MS/TP protocol is available on the iEM3165, iEM3265 and iEM3365.

The information in this section is intended for users with an advanced understanding of BACnet

protocol, their communications network and their power system.

Key terms

Term

Definition

APDU

Application protocol data unit, that data portion of a BACnet message.

A message for which the device expects an answer.

Confirmed message

COV

Change of value, sets the amount by which a value has to change in order for the meter to send a

subscription notification.

A BACnet device is a unit that is designed to understand and use BACnet protocol (for example, a

BACnet-enabled meter or software program). It contains information about the device and device

data in objects and object properties. Your meter is a BACnet device.

Device

MS/TP

Master-slave/token-passing over RS-485.

Represents the device and device data. Each object has a type (for example, analog input or binary

input) and has a number of properties.

Object

Present value

Property

Service

The current value of an object.

The smallest piece of information in BACnet communications, it consists of a name, data type and

value.

Messages from one BACnet device to another.

Creates a relationship between the server and the meter, so that when the present value property

Subscription

of an object changes by more than the configured COV threshold (COV_Increment), a notification is

sent.

Subscription notification

Unconfirmed message

The message the meter sends to indicate a COV event has occurred.

A message for which the device does not expect an answer.

Related topics

•

See www.bacnet.org for more information on the BACnet protocol.

BACnet protocol support

Go to www.schneider-electric.com and search for your meter model to access the PICS (Protocol

Implementation Conformance Statement) for your meter.

The meter supports the BACnet protocol as follows:

BACnet component

Description

Protocol version

Protocol revision

Standardized device profile (Annex L)

BACnet Application Specific Controller (B-ASC)

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BACnet component

Description

DS-RP-B (Data Sharing - Read Property - B)

DS-RPM-B (Data Sharing - Read Property Multiple - B)

DS-WP-B (Data Sharing - Write Property - B)

BACNet Interoperability Building Blocks (Annex K) DS-COV-B (Data Sharing - COV - B)

DM-DDB-B (Device Management - Dynamic Device Binding - B)

DM-DOB-B (Device Management - Dynamic Object Binding - B)

DM-DCC-B (Device Management - Device Communication Control - B)

MS/TP master (clause 9)

Data link layer options

Character set

Baud rates 9600, 19200, 38400, 57600, 76800

ANSI X3.4

subscribeCOV

readProperty

readPropertyMultiple

writeProperty

deviceCommunicationControl

Supported services

who-HAS

who-Is

I-Am

I-Have

Confirmed COV notification

Unconfirmed COV notification

The meter does not support segmentation

The meter does not support static device address binding

None

Segmentation

Static device address binding

Networking options

The following standard object types are supported:

Object type

Optional properties supported Writable properties supported Proprietary properties

Max_Master

Max_Info_Frames

Description

Location

Object_Name

Max_Master

Max_Info_Frames

Description

ID_800

ID_801

ID_802

Device Object

Local_Date

Local_Time

Active_COV_Subscriptions

Profile Name

COV_Increment

—

Location

APDU_Timeout

Number_Of_APDU_Retries

Analog Input Object

Analog Value Object

Binary Input Object

COV_Increment

Present_Value

—

Related topics

•

See “Device object” on page 91 for information on the proprietary properties in the Device object.

BACnet communications implementation

Configuring basic communication parameters

Before communicating with the meter via BACnet protocol, use the front panel to configure the

following settings:

Setting

Possible values

9600

19200

Baud rate

38400

57600

76800

Mac Address

Device ID

1 - 127

0 - 4194303

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Communications via BACnet

Make sure that the Mac Address is unique on the serial loop and the Device ID is unique in your

BACnet network.

Communications LED indicator for BACnet meters

The LED indicates the status of the meter’s communications with the network.

LED state

Description

The LED is off

Communication is not active.

Communication is active.

The LED is flashing

NOTE: The LED flashes even if there is a communications error.

Change of Value (COV) subscriptions

The meter supports up to 14 COV subscriptions. You can add COV subscriptions to Analog Input and

Binary Input objects using your BACnet-compatible software.

Related topics

•

See “Hardware overview” on page 16 for the location of the communications LED.

See “Device configuration” on page 38 for information on configuring the meter using the front

panel.

BACnet object and property information

The following sections outline the supported objects and properties available on the meter.

Device object

The following table outlines the properties of the Device object, whether a property is read-only or

read-write, and if the value of the property is stored in the meter’s non-volatile onboard memory.

Device object property

R/W Stored Possible values

Description

The unique device ID number for the meter, in the format of <device, #>.

NOTE: You must use the front panel to configure the device ID number.

A configurable name for the meter.

Object_Identifier

—

configurable

Object_Name

R/W

√

The meter ships from the factory with a name of <model name>_<serial number>

(for example, iEM3265_0000000000).

Object_Type

—

Device

The object type for the meter

System_Status

Vendor_Name

Vendor_Identifier

Operational

Schneider Electric

This value of this property is always Operational.

Meter manufacturer

The BACnet vendor identifier for Schneider Electric

iEM3165, iEM3265,

iEM3365

Device model (for example, iEM3265) and serial number in the format <model

name>_<serial number> (for example, iEM3265_0000000000).

Model_Name

—

Firmware_Revision

Application_Software_Version

Description

—

√

varies

BACnet firmware version, stored in an x.x.x format (for example, 1.7.2).

Meter firmware version, stored in an x.x.xxx format (for example, 1.0.305).

Optional description of the meter, limited to 64 characters.

Optional description of the meter’s location, limited to 64 characters.

BACnet protocol version (for example, version 1)

varies

R/W

configurable

varies

Location

√

Protocol_Version

Protocol_Revision

—

varies

BACnet protocol revision (for example, revision 6)

0000 0100 0000 1011 The BACnet services supported by the meter: subscribeCOV, readProperty,

0100 0000 0000 0000 readPropertyMultiple, writeProperty, deviceCommunicationControl, who-HAS,

Protocol_Services_Supported

—

0110 0000

who-Is

1011 0000 1000 0000 The BACnet object types supported by the meter: analog input, analog value,

0000 0000 0000 0000 binary input, device

Protocol_Object_Types_Supported

List of objects in the meter:

Object_list

—

varies

iEM3165 / iEM3365: DE1, AI0-AI48, AV0, BI0-BI6

iEM3265: DE1, AI0-AI55, AV0, BI0-BI6

The maximum packet size (or application protocol data unit) that the meter can

accept, in bytes

Max_APDU_Length_Accepted

Segmentation_Supported

—

480

0x03

The meter does not support segmentation.

Date

Local_Date

—

configurable

NOTE: You must use the front panel to set the meter’s date.

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Device object property

R/W Stored Possible values

Description

Time

Local_Time

—

configurable

NOTE: You must use the front panel to set the meter’s time.

The amount of time (in milliseconds) before the meter tries to resend a confirmed

message that has not been answered.

APDU_Timeout

R/W

√

1000 - 30000

1 - 10

The number of times the meter tries to resend an unanswered confirmed

request.

Number_Of_APDU_Retries

Max_Master

√

The highest master address the meter will try to discover when the next node is

unknown.

√

1 - 127

1 - 14

Maximum number of messages the meter can send before it must pass the

token.

Max_Info_Frames

Device_Address_Binding

√

Device address binding table is always blank because the meter does not initiate

the who-Is service.

—

A number that increments when the object database on the meter changes (for

example, when an object is created or deleted or the ID of an object changes).

Database_Revision

Active_COV_Subscriptions

Profile_Name

√

varies

—

List of COV subscriptions currently active on the meter.

Device identifier, used on these meters to record the meter manufacturer, the

meter family and the specific meter model (for example, 10_iEM3000_iEM3265).

ID 800

ID 801

ID 802

—

varies

Date and time of last energy reset

Date and time of last input metering accumulation reset

Date and time of the last alarm (DD/MM/YYYY hh:mm:ss)

Related topics

•

See “Device configuration” on page 38 for information on configuring the meter using the front

panel.

Analog Input objects

The following tables list the Analog Input (AI) objects along with the units and default COV value for

each AI object (if applicable).

NOTE: The Value Type for all AI objects is Real.

Energy and energy by tariff measurements

The energy and energy by tariff measurements listed below are preserved through power failures.

Object ID Units Default COV Object name / description

100

AI27 - Total active energy import

AI28 - Total active energy export

AI29 - Total reactive energy import

AI30 - Total reactive energy export

AI31 - Partial active energy import

AI32 - Partial reactive energy import

AI33 - Active energy import phase 1

AI34 - Active energy import phase 2

AI35 - Active energy import phase 3

AI36 - Accumulation

—

Input metering accumulation

AI37 - Tariff Energy Active Rate

Denotes the active tariff:

0 = Multi Tariff feature is disabled

1 = rate A (tariff 1) active

—

2 = rate B (tariff 2) active

3 = rate C (tariff 3) active

4 = rate D (tariff 4) active

100

AI38 - Rate A (Tariff 1) active energy import

AI39 - Rate B (Tariff 2) active energy import

AI40 - Rate C (Tariff 3) active energy import

AI41 - Rate D (Tariff 4) active energy import

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Instantaneous (RMS) measurements

Object ID Units Default COV Object name / description

AI07 - Current Phase 1

AI08 - Current Phase 2

AI09 - Current Phase 3

AI10 - Current Average

AI11 - Voltage L1-L2

AI12 - Voltage L2-L3

AI13 - Voltage L3-L1

AI14 - Voltage Average L-L

AI15 - Voltage L1-N

AI16 - Voltage L2-N

AI17 - Voltage L3-N

AI18 - Voltage Average L-N

AI19 - Active Power Phase 1

AI20 - Active Power Phase 2

AI21 - Active Power Phase 3

AI22 - Active Power Total

AI23 - Reactive Power Total

AI24 - Apparent Power Total

AI25 - Power Factor Total

AI26 - Frequency

kVAR 10

kVA

—

0.2

Meter information

The following AI objects display information about the meter and its configuration.

NOTE: You can access the meter’s configuration information over BACnet communications.

However, you must use the front panel to configure the meter’s settings.

Object ID Units

Default COV Object name / description

AI44 - Meter operation time

Seconds

The time in seconds since the meter was last powered up

AI45 - Number of phases

1, 3

—

AI46 - Number of wires

2, 3, 4

AI47 - Power system type

0 = 1PH2W L-N

1 = 1PH2W L-L

—

2 = 1PH3W L-L with N

3 = 3PH3W

11 = 3PH4W

13 = 1PH4 wire multi L-N

AI48 - Nominal frequency

50, 60

—

AI49 - Number of VTs

0 - 10

NOTE: only applies to the iEM3265

AI50 - VT Primary

NOTE: only applies to the iEM3265

AI51 - VT Secondary

NOTE: only applies to the iEM3265

AI52 - Number of CTs

1, 2, 3

—

NOTE: only applies to the iEM3265

AI53 - CT Primary

NOTE: only applies to the iEM3265

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Object ID Units

Default COV Object name / description

AI54 - CT Secondary

NOTE: only applies to the iEM3265

AI55 - VT connection type

0 = Direct connection, not VTs

1 = 3PH3W (2VTs)

—

2 = 3PH4W (3VTs)

Communications settings information

The following AI objects display information about the meter’s communications settings.

NOTE: You can access the meter’s communications configuration information over BACnet

communications. However, you must use the front panel to configure the meter’s settings.

Object ID Units

Default COV Object name / description

—

AI00 - BACnet MAC Address

AI01 - BACnet Baud Rate

Digital input and output setting information

The following AI objects display information about the meter’s I/O settings.

NOTE: You can access the meter’s I/O configuration information over BACnet communications.

However, you must use the front panel to configure the meter’s settings.

Object ID Units

Default COV Object name / description

AI02 - Pulse Duration

The energy pulse duration (or pulse width), in milliseconds, of the digital

output.

NOTE: This information only applies if the digital output mode is set to

energy pulsing.

AI03 - Pulse Weight

The pulses/unit setting of the digital input when it is configured for input

metering.

—

NOTE: This information only applies if the digital input mode is set to

Input Metering.

AI04 - Pulse Constant

The pulses/kWh setting of the digital output.

NOTE: This information only applies if the digital output mode is set to

energy pulsing.

AI05 - Digital Input Mode

0 = Normal (input status)

2 = Multi Tariff control

3 = Input metering

—

5 = All partial energy logs reset

AI06 - Digital Output Mode

2 = Alarm

3 = Energy

0xFFFF (65535 dec) = Disabled

AI42 - Pickup Setpoint

Active power alarm pickup setpoint in kW

AI43 - Last Alarm Value

Related topics

•

See “Device configuration” on page 38 for information on configuring the meter using the front

panel.

•

See “Binary Input objects” on page 95 for information on reading the statuses of the input, output

and alarm.

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Analog Value object

There is one Analog Value (AV) object available on the meter, named AV00 - Command. The

available commands are listed in the following table. Enter the number in the Present_Value column

in the Present_Value property of the AV object to write the associated command to the meter.

Command

Present_Value entry Object name / description

Acknowledge an overload alarm.

The alarm indicator disappears from the front panel display after you

acknowledge the alarm; however, this does not address the state that

caused the alarm.

Acknowledge Overload Alarm 20001.00

Reset partial energy accumulation to 0.

Reset Partial Energy Counter 2020.00

Reset Input Metering Counter 2023.00

Partial Active / Reactive Energy, Energy by Tariff and Phase Energy

registers are reset.

Resets input metering accumulation to 0.

Binary Input objects

The following table lists the Binary Input (BI) objects available on the meter.

NOTE: The Value Type for all BI objects is Boolean.

Object ID Object name / description

BI00 - Digital Output Enable

Indicates whether or not the digital output functions as an energy pulse output:

0 = Digital output disabled

1 = Digital output is associated with active energy pulse output

BI01 - Digital Input Association Enable

Indicates whether or not the digital input is associated with input metering:

0 = Digital input is not associated with input metering.

1 = Digital input is associated with input metering.

BI02 - Digital Input Status

0 = relay open

1 = relay closed

NOTE: This information only applies if the digital input is set to Input Status.

BI03 - Alarm Enable

Indicates whether the overload alarm is enabled or disabled:

0 = disabled

1 = enabled

BI04 - Digital Output Association Enable

Indicates if the digital output is configured for alarming:

0 = digital output disabled

1 = for Alarm (digital output is associated with the overload alarm)

BI05 - Alarm Status

0 = Alarm is inactive

1 = Alarm is active

BI06 - Unacknowledged status

0 = historic alarm is acknowledged

1 = historic alarm is unacknowledged

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Specifications

Chapter 9

Specifications

What is in this chapter?

This chapter contains the following sections:

Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97

Mechanical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99

Environmental characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99

Measurement accuracy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99

MID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100

Internal clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100

Modbus communications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100

LonWorks communications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100

M-Bus communications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101

BACnet communications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101

Electrical characteristics

Power system inputs: iEM31•• meters

Characteristic

Value

Wye: 100 - 277 V L-N, 173 - 480 V L-L ±20%

Measured voltage

Delta: 173 - 480 V L-L ±20%

63 A

Maximum current

Measured current

Overload

0.5 A to 63 A

332 V L-N or 575 V L-L

3 MΩ

Voltage impedance

Current impedance

Frequency

< 0.3 mΩ

50 / 60 Hz ±10%

III

Measurement category

Minimum wire temperature rating required

Burden

90 °C (194 °F)

< 10 VA at 63 A

Wire

16 mm / 6 AWG

Wire strip length

Torque

11 mm / 0.43 in

1.8 Nm / 15.9 in•lb

Power system inputs: iEM33•• meters

Characteristic

Value

Wye: 100 - 277 V L-N, 173 - 480 V L-L ±20%

Measured voltage

Delta: 173 - 480 V L-L ±20%

125 A

Maximum current

Measured current

Overload

1 A to 125 A

332 V L-N or 575 V L-L

6 MΩ

Voltage impedance

Current impedance

Frequency

< 0.2 mΩ

50 / 60 Hz ±10%

III

Measurement category

Minimum wire temperature rating required

Burden

105 °C (221 °F)

< 10 VA at 125 A

Wire

50 mm / 1 AWG

Wire strip length

Torque

13 mm / 0.5 in

3.5 Nm / 30.9 in•lb

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Power system inputs: iEM32•• meters

Characteristic

Value

Wye: 100 - 277 V L-N, 173 - 480 V L-L ±20%

Measured voltage

Delta: 173 - 480 V L-L ±20%

332 V L-N or 575 V L-L

3 MΩ

Overload

Impedance

Frequency

50 / 60 Hz ±10%

III

Measurement category

Voltage inputs

Minimum wire temperature rating required

90 °C (194 °F)

< 10 VA

Maximum device consumption

Wire

2.5 mm / 14 AWG

Wire strip length

8 mm / 0.31 in

Torque

0.5 Nm / 4.4 in•lb

1 A or 5 A

Nominal current

Measured current

20 mA to 6 A

Withstand

10 A continuous, 20 A at 10 sec/hr

90 °C (194 °F)

Minimum wire temperature rating required

Impedance

Frequency

Burden

< 1 mΩ

Current inputs

50 / 60 Hz ±10%

< 0.036 VA at 6 A

Wire

6 mm / 10 AWG

Wire strip length

Torque

8 mm / 0.31 in

0.8 Nm / 7.0 in•lb

Inputs and outputs

Characteristic

Value

Meters

Number

Type

Form A

5 – 40 V DC

50 mA

Load voltage

Maximum load current

iEM3135 / iEM3155 / iEM3165 /

iEM3235/ iEM3255 / iEM3265 /

iEM3335 / iEM3355 / iEM3365

Programmable digital

output

Output resistance

Isolation

0.1 – 50 Ω

3.75 kV rms

Wire

1.5 mm / 16 AWG

6 mm / 0.23 in

0.5 Nm / 4.4 in•lb

Wire strip length

Torque

Number

Type

S0 form (IEC 62053-31 compatible)

Configurable

Pulses / kWh

Voltage

5 – 30 V DC

Current

1 – 15 mA

Pulse output

iEM3110 / iEM3210 / iEM3310

Configurable

Pulse width

Minimum width is 50 ms

3.75 kV rms

Isolation

Wire

2.5 mm / 14 AWG

Wire strip length

Torque

7 mm / 0.28 in

0.5 Nm / 4.4 in•lb

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Specifications

Characteristic

Value

Meters

iEM3115 / iEM3215

iEM3135 / iEM3155 / iEM3165 /

iEM3175 / iEM3235 / iEM3255 /

iEM3265 / iEM3275 / iEM3335 /

iEM3355 / iEM3365 / iEM3375

Number

Type

Type 1 (IEC 61131-2)

40 V DC

Voltage

Current

Maximum input

4 mA

Programmable digital

input

Voltage OFF

Voltage ON

Nominal voltage

Isolation

0 - 5 V DC

11 - 40 V DC

24 V DC

iEM3115 / iEM3135 / iEM3155 /

iEM3165 / iEM3175 / iEM3215 /

iEM3235 / iEM3255 / iEM3265 /

iEM3275 / iEM3335 / iEM3355 /

iEM3365 / iEM3375

3.75 kV rms

Wire

1.5 mm / 16 AWG

Wire strip length

Torque

6 mm / 0.23 in

0.5 Nm / 4.4 in•lb

Mechanical characteristics

Characteristic

Value

Meters

IP40

IP20

Front panel

IP degree of protection

Impact rating

iEM31•• / iEM32•• / iEM33••

Meter body

IK08

iEM31•• / iEM32•• / iEM33••

iEM32••

In kWh or MWh up to 99999999 MWh

In kWh: 8 + 1 digits up to 99999999.9

500 flashes / kWh

Active energy display range

iEM31•• / iEM33••

iEM31••

Energy pulsing LED (yellow)

5000 flashes / kWh without consideration of transformer ratios

200 flashes / kWh

iEM32••

iEM33••

The pulses / kWh of the energy pulsing LED cannot be changed.

Environmental characteristics

Characteristic

Value

Meters

Operating temperature

-25 °C (-13 °F) to +55 °C (131 °F) (K55)

-40 °C (-40 °F) to +85 °C (185 °F)

Storage temperature

Pollution degree

5% – 95% RH non-condensing

Maximum dewpoint 50 °C (122 °F)

For indoor use only

iEM31•• / iEM32•• / iEM33••

Relative humidity

Location

Altitude

Not suitable for wet locations

< 2000 m (6561 ft) above sea level

Measurement accuracy

Characteristic

Value

Meters

Class 1 conforming to IEC 62053-21 and IEC 61557-12 (PMD DD):

=63 A, I =10 A, and I =0.04 A

iEM31••

max

Active energy

Class B conforming to EN 50470-3: I

=63 A, l =10 A, I =0.5 A, and

ref min

max

63 A

I =0.04 A

Class 2 conforming to IEC 62053-23 and IEC 61557-12 (PMD DD):

=63 A, I =10 A, and I =0.05 A

Reactive energy

Active energy

iEM3135 / iEM3155 / iEM3165 / iEM3175

max

Class 1 conforming to IEC 62053-21 and IEC 61557-12 (PMD DD):

=125 A, I =20 A, and I =0.08 A

iEM33••

max

Class B conforming to EN 50470-3: I

=125 A, l =20 A, I =1 A, and

ref min

max

125 A

iEM33••

I =0.08 A

Class 2 conforming to IEC 62053-23 and IEC 61557-12 (PMD DD):

=125 A, I =20 A, and I =0.1 A

Reactive energy

iEM3335 / iEM3355 / iEM3365 / iEM3375

max

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Characteristic

Value

Meters

Class 1 conforming to IEC 62053-21 and IEC 61557-12 (PMD SD):

=1.2 A, l =1 A, and I =0.002 A

iEM3200 / iEM3210 / iEM3215

max

Class 1 conforming to IEC 62053-21 and IEC 61557-12 (PMD Sx):

=1.2 A, l =1 A, and I =0.002 A

iEM3235 / iEM3250 / iEM3255 / iEM3265 /

iEM3275

Active energy

Reactive energy

Active energy

Reactive energy

max

for x/1A current input

Class B conforming to EN 50470-3: I

=1.2 A, l =1 A, I =0.01 A, and

min

max

iEM32••

I =0.002 A

Class 2 conforming to IEC 62053-23 and IEC 61557-12 (PMD Sx):

=1.2 A, l =1 A, and I =0.003 A

iEM3235 / iEM3255 / iEM3265 / iEM3275

iEM32••

max

Class 0.5S conforming to IEC 62053-22 and IEC 61557-12 (PMD SD):

=6 A, l =5 A, and I =0.005 A

max

Class 0.5S conforming to IEC 62053-22 and IEC 61557-12 (PMD Sx):

=6 A, l =5 A, and I =0.005 A

iEM3235 / iEM3250 / iEM3255 / iEM3265 /

iEM3275

max

for x/5A current input

Class C conforming to EN 50470-3: I

=6 A, l =5 A, I =0.05 A, and

min

max

iEM32••

I =0.005 A

Class 2 conforming to IEC 62053-23 and IEC 61557-12 (PMD Sx):

=6 A, l =5 A, and I =0.015 A

iEM3235 / iEM3255 / iEM3265 / iEM3275

max

MID

Characteristic

Value

Meters

Electromagnetic environmental class

Mechanical environmental class

iEM3110 / iEM3115 / iEM3135 / iEM3155 / iEM3165 / iEM3175 /

iEM3210 / iEM3215 / iEM3235 / iEM3255 / iEM3265 / iEM3275 /

iEM3310 / iEM3335 / iEM3355 / iEM3365 / iEM3375

Complies with the European Measuring Instruments Directive (MID) 2004/22/CE when installed in a

suitable switchboard in accordance with the instructions in DOCA0038EN, available on our website.

The CE declaration document is also available; search for ECDiEM3000.

Internal clock

Characteristic

Value

Meters

Quartz crystal based

Type

iEM3115 / iEM3135 / iEM3155 / iEM3165 /

iEM3175 / iEM3215 / iEM3235 / iEM3255 /

iEM3265 / iEM3275 / iEM3335 / iEM3355 /

iEM3365 / iEM3375

Backup by supercapacitor

< 2.5 s/day (30 ppm) at 25°C (77°F)

> 3 days at 25°C (77°F)

Time error

Backup time

Modbus communications

Characteristic

Value

Meters

Number of ports

Labels

0V, D0/-, D1/+

(shield)

Parity

Even, Odd, None

Baud rate

Isolation

9600, 19200, 38400

4.0 kV rms

iEM3150 / iEM3155 / iEM3250 /

iEM3255 / iEM3350 / iEM3355

Wire

2.5 mm / 14 AWG shielded twisted pair

Wire strip length

Torque

7 mm / 0.28 in

0.5 Nm / 4.4 in•lb

Related topics

•

See “Communications via Modbus RS-485” on page 51 for information on Modbus

communications.

LonWorks communications

Characteristic

Value

Meters

Number of ports

Isolation

3.75 kV rms

Wire

2.5 mm / 14 AWG

iEM3175 / iEM3275 / iEM3375

Wire strip length

Torque

7 mm / 0.28 in

0.5 Nm / 4.4 in•lb

100

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Related topics

•

See “Communications via LonWorks” on page 63 for information on LonWorks communications.

M-Bus communications

Characteristic

Value

Meters

Number of ports

Parity

Even, Odd, None

Baud rate

Isolation

Wire

300, 600, 1200, 2400, 4800, 9600

3.75 kV rms

iEM3135 / iEM3235 / iEM3335

2.5mm / 14 AWG

Wire strip length

Torque

7 mm / 0.28 in

0.5 Nm / 4.4 in•lb

Related topics

•

See “Communications via M-Bus” on page 75 for information on M-Bus communications.

BACnet communications

Characteristic

Value

Meters

Number of ports

Labels

0V, D0/-, D1/+

(shield)

Baud rate

Isolation

9600, 19200, 38400, 57600, 76800

4.0 kV rms

iEM3165 / iEM3265 / iEM3365

Wire

2.5mm / 14 AWG shielded twisted pair

Wire strip length

Torque

7 mm / 0.28 in

0.5 Nm / 4.4 in•lb

Related topics

•

See “Communications via BACnet” on page 89 for information on BACnet communications.

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Specifications

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Troubleshooting

Chapter 10

Troubleshooting

The meter does not contain any user-serviceable parts. If the meter requires service, contact your

local Schneider Electric representative.

NOTICE

RISK OF DAMAGE TO THE METER

• Do not open the meter case.

• Do not attempt to repair any components of the meter.

Failure to follow these instructions can result in equipment damage.

Do not open the meter. Opening the meter voids the warranty.

Diagnosis screen

The Diagnosis screen lists any current diagnostic codes.

NOTE: The Diagnosis screen only appears if there is a specific event.

Diagnostic code

Existing events

Diagnosis

201

1/2

T1 23-Apr-2012

1. Press the down button to scroll through the main display screens until you reach the Diagnosis

screen.

2. Press the

button to scroll through any existing events.

Related topics

•

See “Data display” on page 33 for more information on navigating to the Diagnosis screen.

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Troubleshooting

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Diagnostic codes

If the diagnostics code persists after following the instructions below, please contact Technical

Support.

Diagnostic code

Description

Possible solution

–

LCD display is not visible.

Push buttons do not respond.

Check and adjust LCD contrast.

Restart the meter by powering off and powering on again.

Metering stops due to an EEPROM error.

Press OK to display total energy consumption.

Metering stops due to a lack of a calibration table.

Press OK to display total energy consumption.

Metering continues.

101

102

Enter configuration mode and select Reset Config.

Correct the frequency settings according to the nominal frequency of

the power system.

201

Mismatch between frequency settings and frequency

measurements.

Metering continues.

202

203

Correct the wiring settings according to wiring inputs.

Mismatch between wiring settings and wiring inputs.

Metering continues.

Check the wire connections and correct the wiring settings if needed.

Phase sequence reversed.

Metering continues.

204

Check the wire connections and correct the wiring settings if needed.

Total active energy is negative due to incorrect voltage and

current connections.

Metering continues.

205

206

207

Set the Date and Time.

Date and Time have been reset due to a loss of power.

Metering continues.

Check the energy pulse output settings and correct if needed.

Pulse is missing due to overload on energy pulse output.

Metering continues.

Restart the meter by powering off and powering on again then reset the

date and time.

Abnormal internal clock function.

Not all diagnostic codes apply to all devices.

104

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Power, energy and power factor

Chapter 11

Power, energy and power factor

NOTE: The descriptions in this section assume that you are an electrical energy consumer, not a

supplier.

What is in this chapter?

This chapter contains the following sections:

Power (PQS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105

Energy delivered (imported) / energy received (exported) . . . . . . . . . . . . . . . . . . . . 106

Power factor (PF) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106

Power factor register format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108

Power (PQS)

A typical AC electrical system load has both resistive and reactive (inductive or capacitive)

components. Resistive loads consume real power (P) and reactive loads consume reactive

power (Q).

Apparent power (S) is the vector sum of real power (P) and reactive power (Q):

S = P²+ Q²

Real power is measured in watts (W or kW), reactive power is measured in vars (VAR or kVAR) and

apparent power is measured in volt-amps (VA or kVA).

Power and the PQ coordinate system

The meter uses the values of real power (P) and reactive power (Q) on the PQ coordinate system to

calculate apparent power.

(+kVAR)

Quadrant 1

Quadrant 2

Q (+)

P (-)

P (+)

-P

(-kW)

(+kW)

Q (-)

Quadrant 3

Quadrant 4

-Q

(-kVAR)

Power flow

Positive power flow P(+) and Q(+) means power is flowing from the power source towards the load.

Negative power flow P(-) and Q(-) means power is flowing from the load towards the power source.

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Power, energy and power factor

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Energy delivered (imported) / energy received (exported)

The meter interprets energy delivered (imported) or received (exported) according to the direction of

real power (P) flow.

Energy delivered (imported) means positive real power flow (+P) and energy received (exported)

means negative real power flow (-P).

Energy delivered (imported) or

Quadrant

Real (P) power flow

received (exported)

Quadrant 1

Quadrant 2

Quadrant 3

Quadrant 4

Positive (+)

Negative (-)

Positive (+)

Energy delivered (imported)

Energy received (exported)

Energy delivered (imported)

Power factor (PF)

Power factor (PF) is the ratio of real power (P) to apparent power (S), and is a number between

0 and 1.

PF = --

An ideal, purely resistive load has no reactive components, so its power factor is one (PF = 1, or unity

power factor). A purely inductive or capacitive load no resistive components, so its power factor is

zero (PF = 0).

True PF and displacement PF

The meter supports true power factor and displacement power factor values:

•

True power factor includes harmonic content.

Displacement power factor only considers the fundamental frequency.

PF lead / lag convention

The meter correlates leading power factor (PF lead) or lagging power factor (PF lag) with whether the

current waveform is leading or lagging the voltage waveform.

Current phase shift from voltage

For purely resistive loads the current waveform is in phase with the voltage waveform. For capacitive

loads, current leads voltage. For inductive loads, current lags voltage.

Current lead / lag and load type

Current and voltage in phase (resistive)

Current leads voltage (capacitive)

Current lags voltage (inductive)

Ia Va

270°

90°

270°

90°

270°

90°

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Power, energy and power factor

Power and PF lead / lag

(+kVAR)

Quadrant 1

Quadrant 2

Q (+)

PF lead

PF lag

P (-)

P (+)

-P

(-kW)

(+kW)

PF lead

Q (-)

Quadrant 3

Quadrant 4

-Q

(-kVAR)

PF lead / lag summary

Quadrant

Current phase shift

Load type

PF lead / lag

Quadrant 1

Quadrant 2

Quadrant 3

Quadrant 4

Current lags voltage

Current leads voltage

Current lags voltage

Current leads voltage

Inductive

Capacitive

Inductive

PF lag

PF lead

PF lag

Capacitive

PF lead

PF sign convention

The meter shows positive or negative power factor according to IEC standards.

PF sign in IEC

The meter correlates power factor sign (PF sign) with the direction of real power (P) flow.

•

For positive real power (+P), the PF sign is positive (+).

For negative real power (-P), the PF sign is negative (-).

(+kVAR)

Quadrant 1

Quadrant 2

Q (+)

PF sign -

PF sign +

P (-)

P (+)

-P

(-kW)

(+kW)

P (+)

PF sign +

Q (-)

Quadrant 3

Quadrant 4

-Q

(-kVAR)

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Power, energy and power factor

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Power factor register format

Each power factor value (PF value) occupies one floating point register for power factor (PF register).

The meter performs a simple algorithm to the PF value then stores it in the PF register. The meter and

software interpret the PF register for all reporting or data entry fields according to the following

diagram:

-0.5

+0.5

Quadrant 1

0 ” PF ” +1

Quadrant 2

-1 ” PF ” 0

-1

Quadrant 3

-1 ” PF ” 0

Quadrant 4

0 ” PF ” +1

-0.5

+0.5

0 to -1

Quadrant 3

-2 to -1

-1 to 0

0 to +1

PF value

+1 to 0

-1

Quadrant 4

Quadrant 1

Quadrant 2

-2

+1 to +2

-1 to 0

0 to +1

PF register

-0.5

+0.5

Quadrant 2

-1 ” PF register ” 0

Quadrant 1

0 ” PF register ” +1

-1

Quadrant 4

+1 ” PF register ” +2

Quadrant 3

-2 ” PF register ” -1

-1.5

+1.5

-2 +2

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Power, energy and power factor

PF value is calculated from the PF register value using the following formulas:

Quadrant

PF range PF register range

PF formula

Quadrant 1

Quadrant 2

Quadrant 3

Quadrant 4

0 to +1

-1 to 0

0 to -1

+1 to 0

0 to +1

-1 to 0

PF value = PF register value

-2 to -1

+1 to +2

PF value = (-2) - (PF register value)

PF value = (+2) - (PF register value)

Related topics

•

See the section for the applicable protocol for more information on the registers for that protocol.

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Schneider Electric

35, rue Joseph Monier

CS30323

F - 92506 Rueil Malmaison Cedex

www.schneider-electric.com

As standards, specifications and designs change from time to

time, please ask for confirmation of the information given in this

publication.

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