C13
User Manual
C13
User Manual
Document ID: 2CMC486004M0201
Revision: C
2019-10-28
Disclaimer
The information in this document is subject to change without notice and should
not be construed as a commitment by ABB AB. ABB AB assumes no responsi-
bility for any errors that may appear in this document.
In no event shall ABB AB be liable for direct, indirect, special, incidental or con-
sequential damages of any nature or kind arising from the use of this document,
nor shall ABB AB be liable for incidental or consequential damages arising from
use of any software or hardware described in this document.
Copyrights
This document and parts thereof must not be reproduced or copied without written
permission from ABB AB, and the contents thereof must not be imparted to a
third party nor used for any unauthorized purpose.
The software or hardware described in this document is furnished under a license
and may be used, copied, or disclosed only in accordance with the terms of such
license.
© Copyright 2013 ABB AB. All rights reserved.
Trademarks
Contact
ABB AB is a registered trademark of the ABB Group. All other brand or product
names mentioned in this document may be trademarks or registered trademarks
of their respective holders.
ABB SPA
via Dell'industria 18
20010 - Vittuone - Milano
Italy
Tel: +39 02 2415 0000
1 About this Manual ........................................................................................ 3
1.1 Conventions Used in this Document ..............................................................................4
2 Product Overview ......................................................................................... 5
2.1 Meter Parts ....................................................................................................................6
2.2 Meter Type ..................................................................................................................... 7
3 Installation .................................................................................................... 9
3.1 Mounting the Meter ...................................................................................................... 10
3.2 Environmental Considerations .....................................................................................11
3.3 Installing the Meter ...................................................................................................... 12
3.3.1 Wiring Diagrams ................................................................................................ 13
4 User Interface ............................................................................................. 15
4.1 Display and buttons .....................................................................................................16
4.2 Menu Structure ............................................................................................................17
5 Meter Settings ............................................................................................ 21
5.1 Setting the Output ........................................................................................................22
5.2 Setting the Alarm .........................................................................................................24
6 Technical Description ................................................................................ 27
6.1 Energy Values ............................................................................................................. 28
6.2 Instrumentation ............................................................................................................ 29
6.3 Outputs ........................................................................................................................30
6.4 Alarm ........................................................................................................................... 31
7 Technical data ............................................................................................ 33
7.1 Technical Specifications .............................................................................................. 34
7.2 Physical Dimensions .................................................................................................... 36
8 Troubleshooting ......................................................................................... 37
8.1 Error Codes and Warnings .......................................................................................... 38
9 Service & Maintenance .............................................................................. 39
9.1 Service and Maintenance ............................................................................................40
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About this Manual
Chapter 1: About this Manual
Overview
This chapter describes the conventions used in this manual. It also contains expla-
nations and definitions of terms and definitions that are used in the document.
In this chapter
The following topics are covered in this chapter:
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About this Manual
1.1 Conventions Used in this Document
Symbols
This document contains warning, caution, note and tip icons that point out safety
related conditions and other important or useful information.
Symbol
Description
The electrical warning icon indicates the presence of a hazard which
could result in electrical shock.
The caution icon indicates important information or a warning related
to the concept discussed in the text. It might indicate the presence of a
hazard which could result in corruption of software or damage to equip-
ment or property.
The note icon alerts the reader to important facts and conditions.
The tip icon gives the reader useful information related to the concept
discussed in the text.
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Product Overview
Chapter 2: Product Overview
Overview
This chapter describes the parts of the meter. It also contains information about
the meter type.
In this chapter
The following topics are covered in this chapter:
2.1 Meter Parts ............................................................................................ 6
2.2 Meter Type ............................................................................................ 7
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Product Overview
2.1 Meter Parts
Illustration
The parts of the meter are shown in the illustration below:
1
1
1
8
2
2
6
7
5
8
3
4
Parts description
The following table describes the parts of the meter:
Item Description
Terminal for output connections
Comments
1
2
3
Sealing points
Push button
For programming and reading metering
data
4
LED
Flashes in proportion to the energy
measured
5
6
7
8
Display
LCD for meter reading
Sealing label
Product data
Terminal block
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Product Overview
2.2 Meter Type
C13 meter
The C13 is a compact meter for 3-phase metering. The meter is direct connected
for currents up to max. 40 A.
Product label
The meter type information that is reflected on the product label is shown in the
example picture below:
Label information
The information on the type label is explained in the table below:
Item
Description
1
2
3
4
5
6
7
8
9
Type designation
LED pulse frequency
Serial number
Manufacturing date (year and week)
Wiring diagram
Bar code with serial number
Type designation
Energy import
Accuracy (active energy)
Nominal voltage
10
11
3-element metering
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Item
12
Description
Frequency
13
14
15
16
17
18
LED pulse frequency
Pulse frequency
Protection class II
Operating temperature range
Rated current
ABB ID
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Installation
Chapter 3: Installation
Overview
This chapter describes how to mount the C13 meter and how to connect it to an
electricity network.
In this chapter
3.1 Mounting the Meter .............................................................................. 10
3.3 Installing the Meter .............................................................................. 12
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Installation
3.1 Mounting the Meter
General
This section describes different ways to mount the C13 meter. For some methods
of mounting, additional accessories are needed. For further information about ac-
cessories, refer to Main Catalog (2CMC481003C0201).
DIN-rail mounted
The C13 meters are intended to be mounted on a standard (DIN 50022) DIN-rail.
If this method of mounting is used no extra accessories are needed and the meter
is fastened on the rail by snapping the DIN-rail lock onto the rail.
Wall mounted
The recommended way to mount the meter on a wall is to mount a separate DIN-
rail on the wall and then mount the meter on the rail.
Standard DIN-rail
The following picture shows a standard DIN-rail.
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Installation
3.2 Environmental Considerations
Ingress protection
To comply with the protection requirements the product must be mounted in pro-
tection class IP 51 enclosures, or better, according to IEC60259.
Mechanical environment
In accordance with the Measuring Directive (2014/32/EU), the product complies
with M1, which means that it can be operated in “...locations with vibration and
shocks of low significance, e.g. for instruments fastened to light suporting struc-
tures subject to negligible vibrations and shocks transmitted from local blasting
or pile-driving activities, slamming doors, etc.”
Electromagnetic environment
In accordance with the Measuring Directive (2014/32/EU), the product complies
with E2, which means that it can be operated “...in locations with electro magnetic
disturbances corresponding to those likely to be found in other industrial build-
ings.”
Climatic environment
In order to work properly the product should not be operated outside the specified
temperature range of -25°C – +70°C.
In order to work properly the product should not exposed to humidity exceeding
the specified 75% yearly average, 95% on 30 days/year.
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3.3 Installing the Meter
Warning – Electrical equipment should only be installed, accessed, serviced and
maintained by qualified electrical personnel.
E
E
E
Working with high voltage is potentially lethal. Persons subjected to high voltage may
suffer cardiac arrest, burn injuries, or other severe injuries. To avoid such injuries,
make sure to disconnect the power supply before you start the installation.
Warning – For safety reasons it is recommended that the equipment is installed in a
way that makes it impossible to reach or touch the terminal blocks by accident.
The best way to make a safe installation is to install the unit in an enclosure. Further,
access to the equipment should be limited through use of lock and key, controlled by
qualified electrical personnel.
Warning – The meters must always be protected by fuses on the incoming side.
In order to allow for maintenance of transformer rated meters, it is recommended that
there should be a short circuiting device installed near the meter.
Installation
To comply with the protection requirements the meter must be mounted in protec-
tion class IP 51 enclosures, or better, according to IEC 60259.
requirements
Meters with wireless communication should not be installed closer than 20 cm
from people.
Install the meter
Follow the steps in the table below to install the meter:
Step
Action
1
2
3
4
Switch off the mains power.
Place the meter on the DIN-rail and make sure it snaps onto it.
Strip the cable insulation to the length that is indicated on the meter.
Connect the cables according to the wiring diagram that is printed on the me-
ter and tighten the screws (0.8 Nm).
5
6
Install the circuit protection (max 40 A).
Connect the output to an external power supply (max 5–40 V). See the wiring
diagram printed on the meter.
7
Turn on the mains power.
Verify the
The C13 meter has a red LED next to the push button on the front of the meter
that flashes proportionally to the active energy. The LED has a fixed pulse fre-
quency of 1000 imp/kWh and can be used to test and verify the installation. If the
LED flashes when the mains power is turned on, the installation was successful.
installation
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User Interface
Chapter 4: User Interface
Overview
This chapter gives an overview of the display and of the functions of the button
on the meter.
In this chapter
The following topics are covered in this chapter:
4.1 Display and buttons ............................................................................. 16
4.2 Menu Structure .................................................................................... 17
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User Interface
4.1 Display and buttons
Display
The display consists of icons, digits and letters. The measured value/menu options
are displayed with large letters. The measured unit is displayed on the bottom-
right side of the display, and the status icons are displayed at the upper part of the
display, see figure below.
1 2 3
k Arh
Status Icons
The status icons are shown in the table below.
Icon
Indication
Comment
Active error
When a error has been detected,
the icon will be lit on the display.
When no error has been detected,
the icon will be turned off.
!
Metering in progress.
When a load is connected to the
meter, the icon will flash to indicate
metering. When no load is con-
nected, the icon will be turned off.
Button
The meter has one push button which is located below the display. A short press
on the button (less than 1 sec) will step through the menu/submenu. A long press
(more than 1 sec) followed by a release of the button will open the set menu or
select an item in the menu.
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User Interface
4.2 Menu Structure
Overview
This section will give an introduction to the menu structure.
Menu structure
The menu structure of the meter can be viewed in the following figure
View menu
Active energy
Set menu
Select function
Set alarm
–
Alarm power
–
Active energy
Alarm level
on
Alarm voltage, L1
Alarm voltage, L2
Output
Exit
max resolution–
–
Alarm on
delay
Active power,
total
–
Alarm voltage, L3
Alarm current, L1
Alarm current, L2
Alarm current, L3
Alarm power factor
Active power, L1
Active power, L2
Active power, L3
Voltage, L1
–
Alarm level
off
–
–
Alarm off
delay
–
Voltage, L2
Voltage, L3
Current, L1
–
–
–
Save
Pulse output
Out on
–
–
Current, L2
Current, L2
Exit
Out off
Exit
–
–
Power factor
Output state
–
–
–
Version
CrC
Error
Navigation
View menu
To navigate in the menu, use the short press to navigate between the different
menu items, and the long press to select a menu item. When performing settings,
the short press is used to change the value of a specific setting, and the long press
is used to toggle between different digits.
In the view menu, the following choices can be made.
Choice in menu
Output on
display
No. of
digits
No. of
decimals
Unit
Min.
value
Max. value
Active energy
<numerical
value>
7
0
kWh
0
9999999
kWh
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Choice in menu
Output on
display
No. of
digits
No. of
decimals
Unit
Min.
value
Max. value
Active energy max <numerical
6
5
5
5
5
3
3
3
3
3
3
4
3
0
0
0
0
0
0
0
1
1
1
3
Wh
0
0
0
0
0
0
0
0
0
0
0
0
999.999
resolution
value>
Wh
Active power Total <numerical
W
W
W
W
V
99999
99999
99999
99999
999
value>
W
Active power
Phase 1
<numerical
value>
W
Active power
Phase 2
<numerical
value>
W
Active power
Phase 3
<numerical
value>
W
Voltage Phase 1
Voltage Phase 2
Voltage Phase 3
Current Phase 1
Current Phase 2
Current Phase 3
Power factor
<numerical
value>
V
<numerical
value>
V
V
999
<numerical
value>
V
V
999
<numerical
value>
A
A
99.9
99.9
99.9
1
<numerical
value>
A
A
<numerical
value>
A
A
<numerical
value>
N/A
Output state
- Alarm on, or
- Alarm off, or
- Output on, or
- Output off, or
- Pulse out
N/A
N/A
N/A
N/A
N/A
3
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
1
N/A
N/A
N/A
N/A
N/A
255
Firmware version N/A
Part 1
Firmware version N/A
Part 2
3
3
N/A
N/A
N/A
N/A
0
0
255
255
Firmware version N/A
Part 3
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Choice in menu
Output on
display
No. of
digits
No. of
decimals
Unit
Min.
Max. value
value
0000
0000
N/A
CRC Part 1
CRC Part 2
Error
N/A
N/A
4
4
4
N/A
N/A
N/A
N/A
N/A
N/A
FFFF
FFFF
N/A
Er <numerical
value>
Set menu
The set menu is used to set different options in the meter. The set menu is reached
by using the long press when located in the view menu. The following choices are
available in the set menu, see table below.
Choice in menu
Output
Output on display
Exit
Set alarm menu
When choosing Exit, the menu will return to the view menu. When choosing Out-
put, the following choices will be available.
Choice in menu
Output on display Explanation
Alarm power
By choosing this option, the
VV
alarm will be set with regards to
the measured power.
Alarm voltage
Alarm voltage
Alarm voltage
Alarm current
Alarm current
Alarm current
V
By choosing this option, the
alarm will be set with regards to
the measured voltage on
Phase 1.
V
By choosing this option, the
alarm will be set with regards to
the measured voltage on
Phase 2.
V
By choosing this option, the
alarm will be set with regards to
the measured voltage on
Phase 3.
A
By choosing this option, the
alarm will be set with regards to
the measured current onPhase
1.
A
By choosing this option, the
alarm will be set with regards to
the measured current onPhase
2.
A
By choosing this option, the
alarm will be set with regards to
the measured current onPhase
3.
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Choice in menu
Output on display Explanation
Alarm power factor
By choosing this option, the
alarm will be set regarding to
the measured power factor.
Pulse output
By choosing this option, the
pulse output function will be ac-
tivated.
Out on
Out off
Exit
By choosing this option, the
output will be set to static on.
By choosing this option, the
output will be set to static off.
Go back to the set menu.
When either Alarm power, Alarm voltage, Alarm current or Alarm factor has
been chosen, the following choices will be available.
Choice
Output on display
Unit
Explanation
Alarm level on
W/V/A/-
When the measured value
passes the set value, the
alarm will be triggered.
Alarm on delay
seconds
When the measured value
passes the set value and
remains for the set time,
the alarm will be triggered.
Alarm level off
W/V/A/-
seconds
When the measured value
passes the set value, the
alarm will be cleared.
When the measured value
passes the set value and
remains for the set time,
the alarm will be cleared.
Alarm off delay
Save
Exit
N/A
N/A
This option saves the
alarm settings.
Go back to the set menu
without saving. Use this
option to view the current
alarm settings.
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Meter Settings
Chapter 5: Meter Settings
Overview
This chapter describes how to configure the functions of the meter, including
alarm settings.
In this chapter
The following topics are covered in this chapter:
5.1 Setting the Output ................................................................................ 22
5.2 Setting the Alarm ................................................................................. 24
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Meter Settings
5.1 Setting the Output
About the output
The C13 meter has one output which can be used for three different purposes.
When one of the three options has been chosen for the output, the remaining two
options are automatically disabled.
• Alarm monitoring
The output is used for monitoring if an alarm has been triggered or not.
• Static level
The output is set as static, either as static on or static off.
• Pulse output
The output is set as a pulse output.
Output state
The Output state in the main menu indicates what function is activated. See table
below for the different functions that can be activated
Activated function
Output on display
Comment
Alarm on
The alarm is set and has been trig-
gered.The pulse output exit is deacti-
vated.
Alarm off
The alarm is set but has not been trig-
gered. The pulse output exit is deacti-
vated.
Output on
Output off
Pulse out
There is always a continous signal on the
output.
The output is closed for all traffic, both in-
bound and outbound.
The output is activated with a frequency
based on measured energy. The alarm
function is deactivated.
Set output to
pulse output
To set the pulse output to be available for pulse measuring, perform the following
steps when located in the view menu.
Step
Action
Comment
1
When located in the view menu, use the long
press to get to the set menu.
-
2
3
Use the long press to get to the selection of func- -
tions menu.
Toggle through the menu to get to the Pulse out The Pulse out choice in the
choice. Use the long press to choose Pulse out selection of function menu
( on the display).
is displayed as:
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Disable output
The output can also be disabled by performing the following steps when located
in the view menu.
Step
Action
Comment
1
When located in the view menu, use the long
press to get to the set menu
-
2
3
Use the long press to get to the selection of func- -
tion menu.
Toggle through the menu to get to the Output off The Output off choice in
choice ( on the display). Use the long
press to choose the Output off.
the view menu is dis-
played as:
Activate output
To activate the output, perform the following steps when located in the view
menu.
Step
Action
Comment
1
When located in the view menu, use the long
press to get to the set menu.
-
2
3
Use the long press to get to the selection of func- -
tion menu.
Toggle through the menu to get to the Output on The Output on choice in
choice ( on the display). Use the long
the view menu is displayed
press to choose the Output on.
as:
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Meter Settings
5.2 Setting the Alarm
About the alarm
The alarm function gives the user the possibility to set an alarm that will trigger
when a defined limit is reached by the measured value. See table for more infor-
mation.
Choice in menu
Unit
Output on display
Range
Alarm power
W
0–99999 W
W
Alarm voltage Phase 1 V
Alarm voltage Phase 2 V
Alarm voltage Phase 3 V
Alarm current Phase 1 A
Alarm current Phase 2 A
Alarm current Phase 3 A
V
0–299 V
0–299 V
0–299 V
0–40.00 A
0–40.00 A
0–40.00 A
0–0.999
V
V
A
A
A
Alarm power factor
-
If the value is set above the max range, the meter will automatically set the value
to the max value allowed by the range.
Example: Alarm current is set to 100.0 A by the user, but the max value is 40.0
A, so the meter will use the max value, in this case 40.0 A.
If an alarm has been set, the output state will indicate if the alarm is triggered (AL
On) or not (AL OFF). The magnitude of the set alarm is also displayed in the
output state.
Set alarm
To set an alarm, perform the following steps when located in the view menu.
Step
Action
Comment
1
2
Use the long press to get to the set menu
-
-
Use the long press to get to the selection of
function menu
3
Toggle through the menu to choose what mag- Use the long press to choose.
nitude to set. Choose one of the following:
Alarm power (W), Alarm voltage (V), Alarm
current (A) and Alarm factor (no magnitude).
4
Set the alarm value that the measured value Use the short press to change
must pass in order for the alarm to trigger
(Alarm level on).
the value of the digit, and the
long press to step through the
different digits.
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Meter Settings
Step
Action
Comment
Use the short press to change
5
Set the time frame that the measured value
must pass the set alarm value in order for the the value of the digit, and the
alarm to trigger (Alarm on delay).
long press to step through the
different digits.
6
7
8
Set the alarm value that the measured value Use the short press to change
must pass in order for the alarm to be cleared the value of the digit, and the
(Alarm level off).
long press to step through the
different digits.
Set the time frame that the measured value
Use the short press to change
must pass the set alarm value in order for the the value of the digit, and the
alarm to be cleared (Alarm off delay).
long press to step through the
different digits.
To save the alarm settings and enable the
alarm function, use the long press when lo-
If not choosing the option
save, the settings will not be
cated in the save-menu ( on the display). saved and the previously
After performing this setting, the alarm is set. saved setting will be used in-
stead. The alarm will not be ac-
tivated.
Read alarm
The Output option in the View menu shows whether a programmed alarm has
been triggered or not. A triggered alarm displays as AL On, and an alarm that has
not been triggered displays as AL OFF.
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Technical Description
Chapter 6: Technical Description
Overview
This chapter describes the technical functions of the C13 meter.
In this chapter
The following topics are covered in this chapter:
6.1 Energy Values ..................................................................................... 28
6.2 Instrumentation .................................................................................... 29
6.3 Outputs ................................................................................................ 30
6.4 Alarm ................................................................................................... 31
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Technical Description
6.1 Energy Values
General
The energy values are stored in energy registers. The different energy registers
can be divided into:
• Registers containing active energy.
The energy values can be read directly on the display by using the button on the
meter.
Presentation of
register values
In direct connected meters the energy is usually displayed with a fixed unit and
number of decimals (normally kWh, with no decimals).
In case the energy is displayed with fixed units and number of decimals the energy
will “roll over” to zeros when the energy is increment ed if all nines are displayed.
The meter can however contain more digits internally, which can be read out via
communication if the meter is equipped with a communication interface.
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Technical Description
6.2 Instrumentation
Instrumentation
functions
The following table shows the complete instrumentation functions of the C13 me-
ter.
Instrumentation
Active power L1
Active power L2
Active power L3
Voltage L1 - N
Voltage L2 - N
Voltage L3 - N
Current L1
C13
X
X
X
X
X
X
X
Current L2
X
Current L3
X
Power factor, Total
X
Accuracy
All instrumentation data accuracy is defined within the voltage range -20% –
+15% of the stated nominal voltage and within the current range 5% of the base
current to the maximum current.
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Technical Description
6.3 Outputs
About outputs
The C13 meter has one output which can be used for three different purposes.
When one of the three options has been choosen for the output, the remaining two
options are automatically disabled.
• Alarm monitoring
The output is used for monitoring if an alarm has been triggered or not.
• Static level
The output is set as static, either as static on or static off.
• Pulse output
The output is set as a pulse output.
On the pulse output the meter sends out a specified number of pulses (pulse fre-
quency) per kilowatt hour (kilovar for reactive pulse outputs). The amount of
pulses sent out are in proportion to the energy flowed through the meter.
The meter has a pulse output frequency of 1000 imp/kWh and the pulse width is
100 ms.
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Technical Description
6.4 Alarm
General
The purpose of the alarm function is to enable monitoring of quantities in the
meter. Monitoring can be set to high or low level detection. High level detection
gives an alarm when the level of a quantity goes above the set level. Low level
detection gives an alarm when the value goes below the set level.
Quantities
Depending on the meter type all or a subset of the following quantities can be
monitored:
• Active power
• Power factor
• Current L
• Voltage L-N
Functional
description
When the value of the monitored quantity passes the activation level, and remains
there for a period of time equal or longer than the specified time delay, the alarm
is activated. In the same way, the alarm is deactivated when the value passes the
deactivation level and remains there for a time equal to or longer than the speci-
fied time delay.
If the activation level is higher than the deactivation level, the alarm is activated
when the value of the monitored quantity is higher than the activation level.
If the activation level is lower than the deactivation level, the alarm is activated
when the vale of the monitored quantity is lower than the activation level.
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Technical data
Chapter 7: Technical data
Overview
This chapter contains the technical specifications and the physical dimensions of
the meter.
In this chapter
The following topics are covered in this chapter:
7.1 Technical Specifications ...................................................................... 34
7.2 Physical Dimensions ........................................................................... 36
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Technical data
7.1 Technical Specifications
Specifications for C13 direct connected meter
Voltage/current inputs
Nominal voltage
3x230/400 VAC
Voltage range
3x220–240 VAC (-20% – +15%)
Power dissipation voltage circuits
Power dissipation current circuits
Base current Ib
1.5 VA (0.6 W) total
0.04 VA (0.04 W) per phase at 230 VAC and Ib
5 A
Reference current Iref
Transitional current Itr
Maximum current Imax
Minimum current Imin
Starting current Ist
Terminal wire area
Recommended tightening torque
General data
5 A
0.5 A
40 A
0.25 A
< 20 mA
0.5–10 mm2
0.8 Nm
Frequency
50 or 60 Hz ± 5%
1% (Cl. 1, Cl. B)
7-digit LCD
Accuracy
Display of energy
Mechanical
Material
Polycarbonate in transparent front glass. Glass reinforced
polycarbonate in bottom case and upper case. Polycarbonate
in terminal cover.
Weight
190 g
Environmental
Operating temperature
Storage temperature
Humidity
-25°C – +70°C
-25°C – +85°C
75% yearly average, 95% on 30 days/year.
Terminal 960°C, cover 650°C (IEC 60695-2-1)
Resistance to fire and heat
Pulse output
Current
2–100 mA
5–40 VDC
1000 imp/kWh
100 ms
Voltage
Pulse output frequency
Pulse length
Terminal wire area
Recommended tightening torque
Pulse indicator(LED)
Pulse frequency
Pulse length
0.5–6 mm2
0.8 Nm
1000 imp/kWh
40 ms
EMC compatibility
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Technical data
Impulse voltage test
Surge voltage test
6 kV 1.2/50µs (IEC 60060-1)
4 kV 1.2/50µs (IEC 61000-4-5)
4 kV (IEC 61000-4-4)
Fast transient burst test
Immunity to electromagnetic HF-fields 80 MHz – 2 GHz at 10 V/m (IEC61000-4-3)
Immunity to conducted disturbance
150kHz – 80MHz (IEC 61000-4-6)
2–150 kHz for kWh-meters
Immunity to electromagnetic distur-
bances
Radio frequency emission
Electrostatic discharge
Standards
EN 55022, class B (CISPR22)
15 kV (IEC 61000-4-2)
IEC 62052-11, IEC 62053-21 class 1, GB/T 17215.211-2006,
GB/T 17215.321-2008 class 1 & 2, GB 4208-2008, EN 50470-
1, EN 50470-3 category B
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Troubleshooting
8.1 Error Codes and Warnings
Error codes
Error code
Er0041
Description
Program CRC error
Er0042
Persistent storage CRC error
Vref is not vdd/2
Er0051
Er0052
Temperature sensor error
Warnings
Warning
Er1007
Er1008
Description
Negative power
Frequency outside meter specification
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Service & Maintenance
9.1 Service and Maintenance
Service
This product contains no parts that can be repaired or exchanged. A broken meter
must be replaced.
Cleaning
If the meter needs to be cleaned, use a lightly moistened cloth with a mild deter-
gent to wipe it.
Caution – Be careful that no liquid gets into the meter since it can ruin the equipment.
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