Marathon Computer Computer Monitor AACC 2000 User Manual

Marathon Monitors Inc.

AACC 2000 (Carbon) Monitor / Controller

Installation and Operation Handbook

MARATHON MONITORS INC

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Marathon Monitors Inc.

Table of contents:

SAFETY and EMC INFORMATION ................................................................... 4

Installation Safety Requirements........................................................................... 5

Installation requirements for EMC.................................................................... 7

Technical Specification......................................................................................... 8

Installation ..........................................................................................................11

Introduction.....................................................................................................13

MECHANICAL INSTALLATION ..................................................................13

Wiring of 2-wire EIA-485 serial communications link.....................................21

OPERATION ......................................................................................................23

FRONT PANEL LAYOUTs.............................................................................24

Basic operation ................................................................................................26

Operating modes..............................................................................................27

Automatic mode...............................................................................................28

MANUAL MODE ...........................................................................................29

PARAMETERS AND HOW TO ACCESS THEM...........................................30

Parameter names..............................................................................................32

Navigation Diagram.........................................................................................33

PARAMETER TABLES..................................................................................37

Alarms.............................................................................................................44

Diagnostic alarms ............................................................................................45

ACCESS LEVELS ..............................................................................................47

Edit level .........................................................................................................50

Setting operator access to a parameter..............................................................50

TUNING .............................................................................................................53

AUTOMATIC TUNING..................................................................................54

MANUAL TUNING ........................................................................................56

Setting the cutback values................................................................................57

motorized valve control....................................................................................59

Gain scheduling...............................................................................................62

CONFIGURATION.............................................................................................63

Selecting configuration level............................................................................64

Changing the passwords ..................................................................................65

User calibration ...................................................................................................85

User Calibration Enable...................................................................................86

Offset calibration .............................................................................................87

Two-point calibration.......................................................................................89

Calibration points and Calibration offsets.........................................................92

Parameter Table (Default)....................................................................................93

INDEX..............................................................................................................102

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SAFETY and EMC INFORMATION

Please read this section carefully before installing the controller

This controller is intended for industrial temperature and process control applications where

it will meet the requirements of the European Directives on Safety and EMC. Use in other

applications, or failure to observe the installation instructions of this handbook may impair

the safety or EMC protection provided by the controller. It is the responsibility of the

installer to ensure the safety and EMC of any particular installation.

Safety

This controller complies with the European Low Voltage Directive 73/23/EEC, amended by

93/68/EEC, by the application of the safety standard EN 61010.

Electromagnetic compatibility

This controller conforms with the essential protection requirements of the EMC Directive

89/336/EEC, amended by 93/68/EEC, by the application of a Technical Construction File.

This instrument satisfies the general requirements of an industrial environment as described

by EN 50081-2 and EN 50082-2. For more information on product compliance refer to the

Technical Construction File.

SERVICE AND REPAIR

This controller has no user serviceable parts. Contact your nearest MMI Service center

(800-322-4444) for repair.

Caution: Charged capacitors

Before removing an instrument from its case, disconnect the supply and wait at least two

minutes to allow capacitors to discharge. Failure to observe this precaution will expose

capacitors that may be charged with hazardous voltages. In any case, avoid touching the

exposed electronics of an instrument when withdrawing it from the case.

Electrostatic discharge precautions

When the controller is removed from its case, some of the exposed electronic components

are vulnerable to damage by electrostatic discharge from someone handling the controller.

To avoid this, before handling the unplugged controller discharge yourself to ground.

Cleaning

Do not use water or water based products to clean labels or they will become illegible.

Isopropyl alcohol may be used to clean labels. A mild soap solution may be used to clean

other exterior surfaces of the product.

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Installation Safety Requirements

Safety Symbols

Various symbols are used on the instrument, they have the following meaning:

Caution, (refer to the

accompanying documents)

Functional earth

(ground) terminal

The functional earth connection is not required for safety purposes but to ground RFI filters.

Personnel

Installation must only be carried out by qualified personnel.

Enclosure of live parts

To prevent hands or metal tools touching parts that may be electrically live, the controller

must be installed in an enclosure.

Caution: Live sensors

The fixed digital inputs, non-isolated dc, logic and outputs and the logic output of dual

output modules, are all electrically connected to the main process variable input. If the

temperature sensor is connected directly to an electrical heating element then these non-

isolated inputs and outputs will also be live. The controller is designed to operate under

these conditions. However you must ensure that this will not damage other equipment

connected to these inputs and outputs and that service personnel do not touch connections to

these i/o while they are live. With a live sensor, all cables, connectors and switches for

connecting the sensor and non-isolated inputs and outputs must be mains rated.

Wiring

It is important to connect the controller in accordance with the wiring data given in this

handbook. Take particular care not to connect AC supplies to the low voltage sensor input

or other low level inputs and outputs. Only use copper conductors for connections (except

thermocouple inputs) and ensure that the wiring of installations comply with all local wiring

regulations. For example in the in the UK use the latest version of the IEE wiring

regulations, (BS7671). In the USA use NEC Class 1 wiring methods.

Power Isolation

The installation must include a power isolating switch or circuit breaker. This device

should be in close proximity to the controller, within easy reach of the operator and marked

as the disconnecting device for the instrument.

Earth leakage current

Due to RFI Filtering there is an earth leakage current of less than 0.5mA. This may affect

the design of an installation of multiple controllers protected by Residual Current Device,

(RCD) or Ground Fault Detector, (GFD) type circuit breakers.

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Overcurrent protection

To protect the internal PCB tracking within the controller against excess currents, the AC

power supply to the controller and power outputs must be wired through the fuse or circuit

breaker specified in the technical specification.

Voltage rating

The maximum continuous voltage applied between any of the following terminals must not

exceed 264Vac:

line or neutral to any other connection;

relay or triac output to logic, dc or sensor connections;

any connection to ground.

The controller should not be wired to a three phase supply with an unearthed star

connection. Under fault conditions such a supply could rise above 264Vac with respect to

ground and the product would not be safe.

Voltage transients across the power supply connections, and between the power supply and

ground, must not exceed 2.5kV. Where occasional voltage transients over 2.5kV are

expected or measured, the power installation to both the instrument supply and load circuits

should include a transient limiting device.

These units will typically include gas discharge tubes and metal oxide varistors that limit

and control voltage transients on the supply line due to lightning strikes or inductive load

switching. Devices are available in a range of energy ratings and should be selected to suit

conditions at the installation.

Conductive pollution

Electrically conductive pollution must be excluded from the cabinet in which the controller

is mounted. For example, carbon dust is a form of electrically conductive pollution. To

secure a suitable atmosphere in conditions of conductive pollution, fit an air filter to the air

intake of the cabinet. Where condensation is likely, for example at low temperatures,

include a thermostatically controlled heater in the cabinet.

Over-temperature protection

When designing any control system it is essential to consider what will happen if any part of

the system should fail. In temperature control applications the primary danger is that the

heating will remain constantly on. Apart from spoiling the product, this could damage any

process machinery being controlled, or even cause a fire.

Reasons why the heating might remain constantly on include:

the temperature sensor becoming detached from the process;

thermocouple wiring becoming a short circuit;

the controller failing with its heating output constantly on;

an external valve or contactor sticking in the heating condition;

the controller setpoint set too high.

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Where damage or injury is possible, we recommend fitting a separate over-temperature

protection unit, with an independent temperature sensor, which will isolate the heating

circuit.

Please note that the alarm relays within the controller will not give protection under all

failure conditions.

Grounding of the temperature sensor shield

In some installations it is common practice to replace the temperature sensor while the

controller is still powered up. Under these conditions, as additional protection against

electric shock, we recommend that the shield of the temperature sensor is grounded. Do not

rely on grounding through the framework of the machine.

Installation requirements for EMC

To ensure compliance with the European EMC directive certain installation precautions are

necessary as follows:

For general guidance refer to MMI Controls EMC Installation Guide, HA025464.

When using relay or triac outputs it may be necessary to fit a filter suitable for

suppressing the emissions. The filter requirements will depend on the type of load. For

typical applications we recommend Schaffner FN321 or FN612.

If the unit is used in table top equipment which is plugged into a standard power socket,

then it is likely that compliance to the commercial and light industrial emissions

standard is required. In this case to meet the conducted emissions requirement, a

suitable mains filter should be installed. We recommend Schaffner types FN321 and

FN612.

Routing of wires

To minimise the pick-up of electrical noise, the wiring for low voltage dc and particularly

the sensor input should be routed away from high-current power cables. Where it is

impractical to do this, use shielded cables with the shield grounded at both ends.

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Technical Specification

Environmental ratings

Panel sealing:

Instruments are intended to be panel mounted. The

rating of panel sealing is IP65, (EN 60529), or 4X, (NEMA

250).

Operating temperature:

ventilation.

0 to 55^oC. Ensure the enclosure provides adequate

Relative humidity:

Atmosphere:

5 to 95%, non condensing.

The instrument is not suitable for use above 2000m

or in explosive or corrosive atmospheres.

Equipment ratings

Supply voltage:

100 to 240Vac -15%, +10%, or optionally:

48 to 62Hz.

15 Watts maximum.

Supply frequency:

Power consumption:

Relay 2-pin (isolated):

Maximum: 264Vac, 2A resistive. Minimum: 12Vdc, 100mA.

Relay changeover (isolated): Maximum: 264Vac, 2A resistive. Minimum: 6Vdc, 1mA.

Triac outputs (isolated):

Leakage current:

30 to 264Vac. Maximum current: 1A resistive.

The leakage current through triac and relay contact

suppression components is less than 2mA at 264Vac, 50Hz.

External over current protection devices are required that

match the wiring of the installation. A minimum of 0.5mm²or

16awg wire is recommended. Use independent fuses for the

instrument supply and each relay or triac output. Suitable

fuses are T type, (EN 60127 time-lag type) as follows;

Instrument supply: 85 to 264Vac, 2A, (T).

Over current protection:

Relay outputs: 2A (T). Triac outputs: 1A (T).

Low level i/o:

All input and output connections other than triac and relay are

intended for low level signals less than 42V.

Single logic output:

DC output (Isolated):

DC output (Non isolated): 0 to 20mA (600W max), 0 to 10V (500W min).

Fixed digital inputs:

Triple contact input:

Triple logic input:

DC or 2^ndPV input:

18V at 24mA. (Non-isolated.)

0 to 20mA (600W max), 0 to 10V (500W min).

Contact closure. (Non isolated.)

Contact closure. (Isolated.)

11 to 30Vdc. (Isolated.)

As main input plus 0-1.6Vdc, Impedance, >100MW.

(Isolated.)

Potentiometer input:

Transmitter supply:

Strain gauge supply:

Digital Communications:

0.5V excitation, 100W to 1.5kW Potentiometer. (Isolated.)

24Vdc at 20mA. (isolated.)

10Vdc. Minimum bridge resistance 300W. (Isolated.)

EIA-232, 2-wire EIA-485 or 4-wire EIA-485 (All isolated).

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General

Main PV Input range:

Calibration accuracy:

+100mV, 0 to 10Vdc (auto ranging) and 3 wire Pt100.

The greater of +0.2% of reading, +1 LSD or +1^oC.

Cold junction compensation >30:1 rejection of ambient temperature, (for thermocouple

i/p).

Electrical safety

Standards:

EN 61010, Installation category II, pollution degree

CSA C22.2 No.142-M1987.

Installation category II:

Pollution degree 2:

Isolation:

Voltage transients on any mains power connected to the

instrument must not exceed 2.5kV.

Conductive pollution must be excluded from the

cabinet in which the instrument is mounted.

All isolated inputs and outputs have reinforced

insulation to provide protection against electric shock. The

fixed digital inputs, non-isolated dc, logic, and the logic output

of dual output modules, are all electrically connected to the

main process variable input, (thermocouple etc.).

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Installation

Case

Terminal

Ratchets

Display screen

Label

Panel retaining clips

Latching ears

Panel sealing gasket

AACC 2000 1/4 DIN controller

Figure 1 - 3

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Outline dimensions Model 2000

150mm

96mm

5.91in

3.78in

96mm

3.78in

Panel cut-out

92 x 92 mm

Recommended

minimum

spacing of

controllers

-0

+0.8

-0

3.62 x 3.62 in _+0.03

Figure 1-4 Outline dimensions Model 2000 controller

The electronic assembly of the controller plugs into a rigid plastic case, which in turn fits

into the standard DIN size panel cut-out shown in Figures 1-3 and 1-4.

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Introduction

Model AACC 2000’s are high stability, process controllers with self and adaptive tuning.

They have a modular hardware construction which accepts up to three plug-in Input/Output

modules and two interface modules to satisfy a wide range of control requirements. Two

digital inputs and an optional alarm relay are included as part of the standard hardware.

Before proceeding, please read the, Safety and EMC Information.

Controller labels

The labels on the sides of the controller identify the ordering code, the serial number, and

the wiring connections.

Appendix A, Understanding the Ordering Code, explains the hardware and software

configuration of your particular controller.

MECHANICAL INSTALLATION

To install the controller

1. Prepare the control panel cut-out to the size shown in Figure 1-3, or 1-4.

2. Insert the controller through the panel cut-out.

3. Spring the upper and lower panel retaining clips into place. Secure the controller in

position by holding it level and pushing both retaining clips forward.

Note: If the panel retaining clips subsequently need removing, in order to extract the

controller from the control panel, they can be unhooked from the side with either your

fingers, or a screwdriver.

Unplugging and plugging-in the controller

If required, the controller can be unplugged from its case by easing the latching ears

outwards and pulling it forward out of the case. When plugging the controller back into its

case, ensure that the latching ears click into place in order to secure the IP65 sealing.

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All electrical connections are made to the screw terminals at the rear of the controller. If

you wish to use crimp connectors, the correct size is AMP part number 349262-1. They

accept wire sizes from 0.5 to 1.5 mm²(16 to 22 AWG). A set of connectors is supplied with

the controller. The terminals are protected by a clear plastic hinged cover to prevent hands,

or metal, making accidental contact with live wires.

Rear terminal layouts

The rear terminal layouts are shown in Figure 1-6. The right-hand column carries the

connections to the power supply, digital inputs 1 and 2, alarm relay and sensor input. The

second and third columns from the right carry the connections to the plug-in modules. The

connections depend upon the type of module installed, if any. To determine which plug-in

modules are fitted, refer to the ordering code and wiring data on the controller side labels.

Model AACC 2000 rear terminal layout

Figure 1-6 Rear terminal layout

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The display below shows a typical wiring diagram for the AACC2000

Carbon Controller:

Typically a series of letters appear after the part number, see chart below.

D – Dual Relay

A – Analog Output

X – Not Installed

C – Communications

I – Analog Input (typically in position 3)

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Sensor input connections

The connections for the various types of sensor input are shown below.

Resistance

thermometer

Thermocouple

mA input

Volts or mV inputs

V+

2.49W

current

sense

V+

resistor

Fig 1-7 Sensor input connections

PLUG-IN MODULE CONNECTIONS

Module 1, 2 and 3

Module positions 1, 2 and 3 are plug-in modules. They can be either two terminal modules

of the types shown in Table 1-1, or four terminal modules of the types shown in Table 1-2.

The tables show the connections to each module and the functions that they can perform.

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Two terminal modules

Note:

Module 1 is connected to terminals 1A and 1B

Module 2 is connected to terminals 2A and 2B

Module 3 is connected to terminals 3A and 3B.

Terminal identity

Module type

Relay: 2-pin

Possible functions

Unused

Heating, cooling, alarm,

program event, valve raise,

or valve lower

(2A, 264 Vac max.)

Logic - non-isolated

Heating, cooling, mode 1,

mode 2, program event

(18Vdc at 20mA)

Triac

Unused

Heating, cooling, program

event, valve raise, or valve

lower

(1A, 30 to 264Vac)

Line

Load

DC output:

- non-isolated

Heating, or cooling, or

retransmission of PV,

setpoint, or control output

(10Vdc, 20mA max.)

Table 1-1 Two terminal module connections

Snubbers

The relay and triac modules have an internal 15nF/100W ‘snubber’ connected across their

output, which is used to prolong contact life and to suppress interference when switching

inductive loads, such as mechanical contactors and solenoid valves.

WARNING

When the relay contact is open, or the triac is off, the snubber circuit passes 0.6mA at

110Vac and 1.2mA at 240Vac. You must ensure that this current, passing through the

snubber, will not hold on low power electrical loads. It is your responsibility as the

installer to ensure that this does not happen. If the snubber circuit is not required, it

can be removed from the relay module (BUT NOT THE TRIAC) by breaking the PCB

track that runs crosswise, adjacent to the edge connectors of the module. This can be

done by inserting the blade of a small screwdriver into one of the two slots that bound

it, and twisting.

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Four terminal modules

Note:

Module 1 is connected to terminals 1A, 1B, 1C and 1D

Module 2 is connected to terminals 2A, 2B, 2C and 2D

Module 3 is connected to terminals 3A, 3B, 3C and 3D

Module type

Terminal identity

Possible functions

Heating, cooling,or

alarm,

lay: changeover

(2A, 264 Vac max.)

DC control: Isolated

(10V, 20mA max.)

Heating, or cooling

To power process

inputs

24Vdc transmitter supply

Motorised Valve

Position feedback

Potentiometer input

100W to 15KW

+0.5Vdc

Retrans. of setpoint,

or process value

DC retransmission

DC remote input or

Process Value 2

(Module 3 only)

Remote Setpoint

Second PV

±100mV

0-20mA

0-10Vdc RT source

COM

(Refer to Fig. 1-8)

Dual output modules

Heating + cooling

Dual alarms

Valve raise & lower

Dual relay

(2A, 264 Vac max.)

Dual Triac

(1A, 30 to 264Vac)

Heating + cooling

Valve raise & lower

Load

Line

Load

Line

Dual logic + relay

(Logic is non-isolated)

Heating + cooling

Dual Logic + triac

(Logic is non-isolated)

Heating + cooling

Load

Triple logic input and output modules - see ratings on the next page

Triple contact input

Triple logic input

Input 1

Input 2

Input 3

Common

Table 1-2 Four terminal module connections.

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Connections for Process Value 3 in module position 3

Thermocouple

Resistance

mA input

Volts or

10V inputs

thermometer

mV inputs

Current

sense

resistor

2.49W

0-10Vdc

0-1.6Vdc

High Impedance

or mVdc

Figure 1-8 Connections for Process Value 2 (PV2)

The diagrams above show the connections for the various types of input.

The input will have been configured in accordance with the ordering code.

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Communication module 1

The Models AACC 2000 will accept a plug-in communications modules.

The possible module types are shown in the table below.

The serial communications can be configured for either Modbus, or MMI protocol.

Communications module 1

Terminal identity (COMMS 1)

Module type

2-wire EIA-485 serial

communications

Common

A (-)

B (+)

EIA-232 serial communications

Common

Table 1-3 Communication module 1 connections

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Wiring of 2-wire EIA-485 serial communications link

2-wire EIA-485 is a connection which allows up to 32

controllers to be multi-dropped from a single

Com

communications link over a distance of up to 1.2Km.

To ensure reliable operation of the communications

link, (without data corruption due to noise or line

reflections) the connections between the controller

should be made using a twisted pair of wires inside a

screened cable with the connections terminated with

resistors in the manner shown in this diagram.

Local

Earth

232

Local

Earth

Com

MMI Universial

Converter

Com

HE -

Series 2000

Controller

Com

HF+

Local

Earth

Local

Ground

Zone 1

Local

Ground

Zone 1

Local

Ground

Zone 2

Local

Earth

HE-

Galvanic

Isolation

Barrier

Series 2000

Controller

Local

Ground

Zone 1

HF+

Com

Local

Earth

Local Earth

Local

Ground

Zone 1

For reasons of safety

do connect to

Up to 32 S2000 controllers or

Interface Units may

be included on the network

not

local earth here.

Local

Earth

HE-

HF+

Series 2000

Controller

Com

Area 1

Note:

All resistors are 220 ohm 1/4W carbon composition.

Local grounds are at equipotential. Where equipotential is not available wire into

separate zones using a galvanic isolator.

Use a repeater (KD845) for more than 32 units.

Figure 1-9 EIA-485 wiring

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OPERATION

This chapter has nine topics:

FRONT PANEL LAYOUTS

BASIC OPERATION

OPERATING MODES

AUTOMATIC MODE

MANUAL MODE

PARAMETERS AND HOW TO ACCESS THEM

NAVIGATION DIAGRAM

PARAMETER TABLES

ALARMS

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FRONT PANEL LAYOUTs

Figure 2-1 Model AACC 2000 front panel layout

2 6 .0

2 0 .0

Page

Scroll

Down

Button

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Button or

indicator

Name

Explanation

When lit, it indicates that the output installed in

module position 1 is on. This is normally the

heating output on a temperature controller.

OP1

OP2

Output 1

Output 2

When lit, it indicates that the output installed in

module position 2 is on. This is normally the

cooling output on a temperature controller.

When lit, this indicates that setpoint 2, (or a

setpoint 3-16) has been selected.

SP2

Setpoint 2

When lit, this indicates that a remote setpoint

input has been selected.

REM

Remote setpoint

‘REM’ will also flash when communications is

active.

When pressed, this toggles between automatic

and manual mode:

· If the controller is in automatic mode the

AUTO light will be lit.

· If the controller is in manual mode, the MAN

light will be lit.

Auto/Manual

button

The Auto/Manual button can be disabled in

configuration level.

· Press once to start an automatic Probe care

cycle

· This RUN light indicates when ever a probe

Run/Hold button

Page button

care function is in progress

Press to select a new list of parameters.

Scroll button

Down button

Up button

Press to select a new parameter in a list.

Press to decrease a value in the lower readout.

Press to increase a value in lower readout.

Figure 2-3 Controller buttons and indicators

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Basic operation

Switch on the power to the controller. It runs through a self-test sequence for about three

seconds and then shows the process value, in the upper readout and the setpoint, in the

lower readout. This is called the Home display.

Process Value (PV)

26.0

Setpoint

20.0

Figure 2-4 Home display

You can adjust the setpoint by pressing the

buttons. Two seconds after

releasing either button, the display blinks to show that the controller has accepted the

new value.

OP1 will light whenever output 1 is ON. This is normally the heating output when used

as a temperature controller.

OP2 will light whenever output 2 is ON. This is normally the cooling output when used

as a temperature controller.

Note: You can get back to this display at any time by pressing

and

together.

Alternatively, you will always be returned to this display if no button is pressed for 45

seconds, or whenever the power is turned on.

Alarms

If the controller detects an alarm condition, it flashes an alarm message in the Home

display. For a list of all the alarm messages, their meaning and what to do about them,

see Alarms at the end of this chapter.

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Operating modes

The controller has two basic modes of operation:

Automatic mode in which the output is automatically adjusted to maintain the

temperature or process value at the setpoint.

Manual mode in which you can adjust the output independent of the setpoint.

You toggle between the modes by pressing the AUTO/MAN button. The displays which

appear in each of these modes are explained in this chapter.

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Automatic mode

You will normally work with the controller in automatic mode. If the MAN light is on,

press the AUTO/MAN button to select automatic mode. The AUTO light comes on

Power on

The Home display

Check that the AUTO light is on.

The upper readout shows the measured

temperature.

The lower readout shows the setpoint.

To adjust the setpoint up or down, press

(Note: If Setpoint Rate Limit has been

enabled, then the lower readout will show

the active setpoint. If

it will change to show and allow

adjustment of, the target setpoint.)

is pressed,

Press once

Display units

A single press of

will flash the

display units for 0.5 seconds, after which

you will be returned to the Home display.

Flashing of the display units may have

been disabled in configuration in which

case a single press will take you straight to

the display shown below.

x 2

Press

twice

% Output power demand

The % output power demand is displayed

in the lower readout. This is a read-only

value. You cannot adjust it.

Press

and

together to return to the

Home display.

Pressing

from the Output Power display may access further parameters. These may

be in this scroll list if the ‘Promote’ feature has been used (see Chapter 3, Access Level).

When you reach the end of this scroll list, pressing

display.

will return you to the Home

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MANUAL MODE

If the AUTO light is on, press the AUTO/MAN button to select manual mode.

The MAN light comes on.

Power on

The Home display

Check that the MAN light is on.

The upper readout shows the measured

temperature, or process value. The lower

readout shows the % output.

To adjust the output, press

or . .

(Note: If Output Rate Limit has been enabled,

then the lower readout will show the working

output. If

is pressed, it will

change to show and allow adjustment of, the

target output.)

Press

once.

Display units

A single press of

flashes the display units

for 0.5 seconds, after which you are returned

to the Home display.

Flashing of the display units may have been

disabled in configuration, in which case a

single press will take you straight to the

display shown below.

x 2

Press

twice.

Setpoint

To adjust the setpoint value, press

Press

Pressing

from the Output Power display may access further parameters. These may

be in this scroll list if the ‘Promote’ feature has been used (see Chapter 3, Edit Level).

When you reach the end of this scroll list, pressing

display.

will return you to the Home

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PARAMETERS AND HOW TO ACCESS THEM

Parameters are settings, that determine how the controller will operate. For

example, alarm setpoints are parameters that set the points at which alarms will

occur. For ease of access, the parameters are arranged in lists as shown in the

navigation diagram on Pages 2-10 and 2-11. The lists are:

Home list

Probe list

Care list

User list

Autotune list

PID list

Motor list

Setpoint list

Input list

Output list

Communications

list

Information list

Access list.

Alarm list

Each list has a ‘List Header’ display.

List header displays

List name

Always displays Li ST

Figure 2-5 Typical list header

display

A list header can be recognized by the fact that it always shows ‘Li St ’ in the

lower readout. The upper readout is the name of the list. In the above example,

‘AL’ indicates that it is the Alarm list header. List header displays are read-

only.

To step through the list headers, press

. Depending upon how your controller

has been configured, a single press may momentarily flash the display units. If

this is the case, a double press will be necessary to take you to the first list

header. Keep pressing

you to the Home display.

to step through the list headers, eventually returning

To step through the parameters within a particular list, press

. When you

reach the end of the list, you will return to the list header. From within a list you

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can return to the current list header at any time can by pressing

. To step to

the next list header, press

once again.

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Parameter names

In the navigation diagram, each box shows the display for a selected parameter.

The Operator parameter tables, later in this chapter, list all the parameter names

and their meanings.

The navigation diagram shows all the parameters that can, potentially, be

present in the controller. In practice, a limited number of them appear, as a

result of the particular configuration.

The shaded boxes in the diagram indicate parameters that are hidden in normal

operation. To view all the available parameters, you must select Full access

level. For more information about this, see Chapter 3, Access Levels.

Parameter displays Each list has a ‘List Header’ display.

Parameter displays

parameter name

parameter value

Figure 2-6 Typical parameter display

Parameter displays show the controller’s current settings. The layout of

parameter displays is always the same: the upper readout shows the parameter

name and the lower readout its value. In the above example, the parameter name

is 1 FSL (indicating Alarm 1, full scale low), and the parameter value is 1 0 .0 .

To change the value of a parameter

First, select the required parameter.

To change the value, press either

change the value by one digit.

or . During adjustment, single presses

Keeping the button pressed speeds up the rate of change.

Two seconds after releasing either button, the display blinks to show that the

controller has accepted the new value.

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Navigation Diagram (Part A) (THE PARAMETERS THAT APPEAR DEPEND UPON

HOW THE CONTROLLER HAS BEEN CONFIGURED)

Home

List

Probe

List

Care

List

Alarm

List

USEr

LI ST

2 0 .0

Pr o b

CAr E

2 0 .0

LI ST

n 1

0 .1

Ca r e

1 - - -

1 0 0 .0

0 .1

n 2

0 .1

i mP.r

m- A

OFFS

2 - - -

Pr t .r

0 .0

Au t o

0 .0 1

0 .0

n 3

0 .1

r EF

H- CO

3 - - -

t mi n

1 0 .0

0 .1

n 4

0 .1

Pt c

4 - - -

Pt i

1 0

1 OFF

n 5

0 .1

Pmu

HY 1

i mp .h

1 0

1 0 .0

AI i n

HY 2

Pt r t

1 0

1 0 .0

n 1 5

0 .1

HY 3

b o t

1 5 .0

HY 4

b o r t

1 0 .0

Lb t

FDE

OFF

5 .0

d i AG

t 2 C

User

List

n o

0 .0

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Autotune

List

PID

List

Motor

List

Setpoint

List

At u

Pi d

mt r

Li St

Ti .2

t u n E

G.SP

t m

SSEL

3 0 0

OFF

5 0 0

3 0 .0

Td .2

Ad c

SEt

I n .t

SP 1

5 0 0

mAn

PI D.1

OFF

2 0 .0

r ES.2

b Ac T

SP 2

0 .0

OFF

0 .0

Hc b 2

mP.T

Au t o

3 0 0

Au t o

SPL

0 .0

Lc b 2

U.b r

Au t o

6 0 .0

DWn

SPH

1 0 0 .0

r EL.2

r ES

1 .0 0

0 .0

SP2 L

0 .0

FF.Pb

Hc b

0 .0

Au t o

SP2 H

1 0 0 .0

FF.d u

Lc b

1 0 0 .0

Au t o

SPr r

OFF

r EL

Hb t Y

OFF

Pb 2

1 0

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Input

List

Output

List

Comms

List

Information

List

i P

o P

c mS

i n F

Li St

c j c 1

Fi LT

OP.Lo

Ad d r

d i SP

d b

OFF

0 .0

STD

0 .0

L1 .1

FLt .2

OP.Hi

Lo G.L

Sb .OP

1 P.1

1 0 0 .0

0 .0

1 0 0 .0

L1 .2

PU.1 P

OPr r

Lo G.H

OFF

1 0 0 .0

L1 .3

FLT.3

FOP

Lo G.A

OFF

0 .0

5 0 .0

PVSL

CAL

CYC.1

Lo G.T

1 P1

FACT

2 0 .0

1 0 0 .0

o f s 1

h YS.1

Lo G.u

0 F

1 .0

0 .0

o f s 2

o n T.1

r ES.L

Au t o

n o

mv .1

CYC.2

mCT

5 .0

mv .2

h YS.2

w.OP

1 .0

0 .0

mv .3

o n T.2

FF.OP

Au t o

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Access

List

ACCS

Li ST

P OP

1 9

c o d E

1 OP

PASS

1 0

Go To

d OP

OPEr

1 .

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PARAMETER TABLES

Name

Description

Home list

Home

Measured value and Setpoint

% Output level

Target setpoint (if in Manual mode )

Auto-man select

S P

m- A

r e F

Customer defined identification number

+ Extra parameters, if the ‘Promote’ feature has been used (see Chapter 3, Edit

Level).

Name

Description

Probe list

Process Factor

P r o b

P F

Millivolt input OFFSET

Hydrogen or CO constant

OF F S

H- CO

P Tc

Probe Temperature

Probe millivolts

AUX input

P mu

Ai n

Name

Description

Care list

Ca r e

P r t r

Tmi n

P Ti

Probe care operation selection

MMI actual Probe recovery time

Minimum temperature for care procedure

Probe care cycle time

Maximum probe impedance

Impedance test recovery time

Burn off time

i mp .H

P t r t

b o t

Burn off recovery time

Final delay time

b o r t

F d E

Time to next care

t 2 C

impedance test result

i mp .r

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Name

Description

User list

user parameter #1

user parameter #2

user parameter #3

user parameter #4

user parameter #5 - 15

Us e r

n 1

n 2

n 3

n 4

n 5 - 1 5

Name Description

Alarm list

1 -

Alarm 1 setpoint value

Alarm 2 setpoint value

Alarm 3 setpoint value

Alarm 4 setpoint value

2 -

3 -

4 -

In place of dashes, the last three characters indicate the alarm type. See alarm types

table:

Alarm 1 Hysteresis (display units)

Alarm 2 Hysteresis (display units)

Alarm 3 Hysteresis (display units)

Alarm 4 Hysteresis (display units)

Loop Break Time in minutes

Enable Diagnostic alarms ‘n o ’ / ‘YES’

Alarm types table

HY 1

HY 2

HY 3

HY 4

Lb t

d i AG

PV Full scale low alarm

- F S L

- F S H

- d Ev

- d Hi

- d Lo

- LCr

- HCr

- F L2

- F H2

- LOP

- HOP

- LS P

- HS P

4 r At

PV Full scale high alarm

PV Deviation band alarm

PV Deviation high alarm

PV Deviation low alarm

Load Current low alarm

Load Current high alarm

Input 2 Full Scale low alarm

Input 2 Full Scale high alarm

Working Output low alarm

Working Output high alarm

Working Setpoint low alarm

Working Setpoint high alarm

Rate of change alarm (AL 4 only)

Autotune list

At u n

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One-shot autotune enable

t u n E

d r A

d r A.t

Ad c

Adaptive tune enable

Adaptive tune trigger level in display units. Range = 1 to 9999

Automatic Droop Compensation (PD control only)

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Name Description

PID list

P i d

If Gain Scheduling has been enabled (see Chapter 4), this parameter sets

G.S P

the PV below which ‘Pi d .1 ’ is active and above which ‘Pi d .2 ’ is active.

S Et

P b

‘Pi d .1 ’ or ‘Pi d .2 ’ selected

Proportional Band

(in display units)

(SEt 1 )

t i

Integral Time in secs(SEt 1 )

Derivative Time in secs

Manual Reset (%)

Cutback High

t d

(SEt 1 )

r ES

Hc b

Lc b

(SEt 1 )

Cutback Low

(SEt 1 )

r EL.C Relative Cool Gain

(SEt 1 )

P b 2

Proportional Band

Integral Time in secs(SEt 2 )

Derivative Time in secs

Manual Reset (%)

Cutback High

(SEt 2 )

t i 2

t d 2

(SEt 2 )

r ES .2

Hc b 2

Lc b 2

r EL.2

(SEt 2 )

Cutback Low

(SEt 2 )

Relative Cool Gain

(SEt 2 )

The following three parameters are used for cascade control. If this facility is not

being used, then they can be ignored.

SP, or PV, feedforward propband

Feedforward trim %

F F .P b

F F .t r

F F .d v

PID feedforward limits ± %

Motor list - see Table 4-3

Valve travel time in seconds

Valve inertia time in secs

mt r

t m

I n .t

b Ac .t

mp .t

U.b r

Valve backlash time in secs

Minimum ON time of output pulse

Valve sensor break strategy

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Name Description

Setpoint list

S P

SSEL

SP 1

SP 2

SP L

SP H

SP2 .L

SP2 .H

SPr r

Hb .t y

Select SP 1 to SP1 6 , depending on configuration

Setpoint one value

Setpoint two value

Setpoint 1 low limit

Setpoint 1 high limit

Setpoint 2 low limit

Setpoint 2 high limit

Setpoint Rate Limit

Holdback Type for setpoint rate limit (OFF, Lo , Hi , or b An d )

Input list

i P

IP1 filter time constant (0.0 - 999.9 seconds).

IP2 filter time constant (0.0 - 999.9 seconds).

Selects ‘i p .1 ’ or ‘i p .2 ’

DC input Filter Time Constant

User Calibration Enable

simple offset

Fi Lt

FLt .2

PV.i p

FLt .3

CAL

OFS.1

OFS.2

mV.1

PV2 simple offset

ADC Converter millivolts

ADC Converter millivolts PV2

Second PV millivolts input

IP1 cold junction temp. reading

IP2 cold junction temp. reading

IP1 linearised value

mV.2

mV.3

CJ C.1

CJ C.2

Li .1

IP2 linearised value

Li .2

DC Input 3

Li .3

Current Input or Inputs used for PV

PV.SL

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Name Description

Output list

Does not appear if Motorised Valve control configured.

o P

Low power limit (%)

High power limit (%)

Output Rate Limit (% per sec)

Forced output level (%)

OP.Lo

OP.Hi

OPr r

FOP

Heat cycle time (0.2S to 999.9S)

Heat hysteresis (display units)

Heat output min. on-time (secs)

Auto (0.05S), or 0.1 - 999.9S

Cool cycle time (0.2S to 999.9S)

CYC.H

h YS.H

o n t .H

CYC.C

h YS.C

o n t .C

Cool hysteresis (display units)

Cool output min. on-time (secs)

Auto (0.05S), or 0.1 - 999.9S

Heat/cool deadband (display units)

HC.d b

Sb .OP

Sensor Break Output Power (%)

Comms list

c mS

Communications Address

Ad d r

Information list

i n F o

Configure lower readout of Home display to show:

d i SP

VPo S

St d

AmPS

Valve position

Standard - display setpoint

Load current in amps

Output

St a t

Pr G.t

Program status

Program time remaining in

Process value 2

hours

r At

Ratio setpoint

Pr G

r SP

Selected program number

Remote setpoint

PV minimum

PV maximum

PV mean value

Time PV above Threshold level

PV Threshold for Timer Log

Lo G.L

Lo G.H

Lo G.A

Lo g .t

Lo g .v

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Name Description

Information list - continued

Logging Reset - ‘YES/n o ’

i n F o

r ES.L

The following set of parameters is for diagnostic purposes.

Processor utilisation factor

Working output

mCt

w.OP

FF.OP

P OP

I OP

d OP

Feedforward component of output

PID output to motorised valve

Proportional component of output

Integral component of output

Derivative component of output

Access List

ACCS

Access password

c o d E

Go t o Goto level - OPEr , Fu LL, Ed i t or c o n F

Configuration password

Co n F

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Alarms

Alarm annunciation

Alarms are flashed as messages in the Home display. A new alarm is displayed as a

double flash followed by a pause, old (acknowledged) alarms as a single flash followed

by a pause. If there is more than one alarm condition, the display cycles through all the

relevant alarm messages. Table 2-1 and Table 2-2 list all of the possible alarm messages

and their meanings.

Alarm acknowledgement and resetting

Pressing both

and

at the same time will acknowledge any new alarms and reset

any latched alarms.

Alarm modes

Alarms will have been set up to operate in one of several modes, either:

Non-latching, which means that the alarm will reset automatically when the Process

Value is no longer in the alarm condition.

Latching, which means that the alarm message will continue to flash even if the

alarm condition no longer exists and will only clear when reset.

Blocking, which means that the alarm will only become active after it has first

entered a safe state on power-up.

Alarm types

There are two types of alarm: Process alarms and Diagnostic alarms.

Process alarms

These warn that there is a problem with the process which the controller is trying to

control.

Alarm

Display

Alarm

Display

What it means

Input 2 Full Scale Low

alarm

PV Full Scale Low alarm

PV Full Scale High alarm

PV Deviation Band alarm

PV Deviation High alarm

PV Deviation Low alarm

Load Current Low alarm

_FL2 *

_FH2 *

_LOP*

_HOP*

_LSP*

_FSL*

_FSH*

_d Ev *

_d Hi *

_d Lo *

_LCr *

p .FLt

Input 2 Full Scale High

alarm

Working Output Low

alarm

Working Output High

alarm

Working Setpoint Low

alarm

Probe impedance test

fault.

* In place of the dash, the first character will indicate the alarm number.

Table 2-1 Process alarms

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Diagnostic alarms

These indicate that a fault exists in either the controller or the connected devices.

Display

shows

What it means

What to do about it

Electrically Erasable Memory

Error:

The value of an operator, or

configuration, parameter has

been corrupted.

This fault will automatically take you into

Configuration level. Check all of the

configuration parameters before returning

to Operator level. Once in Operator level,

check all of the operator parameters

before resuming normal operation. If the

fault persists, or occurs frequently,

contact MMI Controls.

EE.Er

Sensor Break:

Check that the sensor is correctly

connected.

S .b r

Input sensor is unreliable or

the input signal is out of

range.

Loop Break

The feedback loop is open

circuit.

Check that the heating and cooling

circuits are working properly.

L.b r

Hardware error

Check that the correct modules are fitted.

Hw.Er

Indication that a module is of

the wrong type, missing, or

faulty.

No I/O

None of the expected I/O

modules is fitted.

This error message normally occurs

when pre-configuring a controller without

installing any of the required I/O modules.

n o .i o

r mt .F

Remote input failure. the

remote DC input, is open or

short circuit

Check for open, or short circuit wiring on

the remote DC input.

Out of range low reading

Out of range high reading

Error 1: ROM self-test fail

Error 2: RAM self-test fail

Error 3: Watchdog fail

Check the value of the input.

Return the controller for repair.

LLLL

HHHH

Er r 1

Er r 2

Er r 3

Er r 4

Error 4: Keyboard failure

Stuck button, or a button was

pressed during power up.

Switch the power off and then on, without

touching any of the controller buttons.

Error 5: Faulty internal

Check printed circuit board

Er r 5

interconnections. If the fault cannot be

cleared, return the controller for repair.

communications.

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Table 2-2b Diagnostic alarms

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ACCESS LEVELS

This chapter describes the different levels of access to the operating parameters within

the controller.

There are three topics:

THE DIFFERENT ACCESS LEVELS

SELECTING AN ACCESS LEVEL

EDIT LEVEL

THE DIFFERENT ACCESS LEVELS

There are four access levels:

Operator level, which you will normally use to operate the controller.

Full level, which is used to commission the controller.

Edit level, which is used to set up the parameters that you want an operator to be able

to see and adjust when in Operator level.

Configuration level, which is used to set up the fundamental characteristics of the

controller.

Access

level

Display What you can do

shows

Password

Protection

Operator

In this level, operators can view and adjust the

value of parameters defined in Edit level (see

below).

Yes

OPEr

Fu LL

Ed i t

Full

In this level, all the parameters relevant to a

particular configuration are visible. All alterable

parameters may be adjusted.

Edit

In this level, you can determine which parameters

an operator is able to view and adjust in Operator

level. You can hide, or reveal, complete lists,

individual parameters within each list and you can

make parameters read-only or alterable. (See Edit

level at the end of this chapter).

Configuration

This special level allows access to set up the

fundamental characteristics of the controller.

Yes

c o n F

Figure 3-1 Access levels

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SELECTING AN ACCESS LEVEL

Access to Full, Edit or Configuration levels is protected by a password to prevent

unauthorised access.

If you need to change the password, see Chapter 6, Configuration.

Access list header

Press

until you reach the access list header

‘ACCS’.

Press

Password entry

The password is entered from the ‘c o d E’ display.

Enter the password using

. Once the

correct password has been entered, there is a two

second delay after which the lower readout will

change to show ‘PASS’ indicating that access is

now unlocked.

The pass number is set to ‘1 ’ when the controller is

shipped from the factory.

Note; A special case exists if the password has

been set to ‘0 ’. In this case access will be

permanently unlocked and the lower readout will

always show ‘PASS’.

Press

to proceed to the ‘Go t o ’ page.

(If an incorrect password has been entered and the

controller is still ‘locked’ then pressing

returns

you to the ‘ACCS’ list header.)

Access to Read-only Configuration

From this display, pressing

and

together will take you into Read-Only

Configuration without entering a password.

This will allow you to view all of the

configuration parameters, but not adjust them.

If no button is pressed for ten seconds, you

will be returned to the Home display.

Alternatively, pressing

and

together

takes you immediately back to the Home

display

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Level selection

The ‘Go t o ’ display allows you to select the

required access level.

Use

and

to select from the following

display codes:

OPEr : Operator level

Fu LL: Full level

Ed i t : Edit level

c o n F: Configuration level

Press

If you selected either ‘OPEr ’, ‘Fu LL’ or

‘Ed i t ’ level you will be returned to the

‘ACCS’ list header in the level that you

chose. If you selected ‘c o n F’, you will get

a display showing ‘Co n F’ in the upper

readout (see below).

Configuration password

When the ‘Co n F’ display appears, you must

enter the Configuration password in order to

gain access to this level. Do this by

repeating the password entry procedure

described in the previous section.

The configuration password is set to ‘2 ’

when the controller is shipped from the

factory. If you need to change the

configuration password, see Chapter 6,

Configuration.

Alternative path if

‘c o n F’ selected

Press

Configuration level

The first display of configuration is shown.

See Chapter 6, Configuration, for details of

the configuration parameters.

For instructions on leaving configuration

level, see Chapter 6, Configuration.

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Returning to Operator Level

To return to operator level from either ‘Fu LL’ or ‘Ed i t ’ level, repeat entry of the

password and select ‘OPEr ’ on the ‘Go t o ’ display.

In ‘Ed i t ’ level, the controller will automatically return to operator level if no button is

pressed for 45 seconds.

Edit level

Edit level is used to set which parameters you can view and adjust in Operator level. It

also gives access to the ‘Promote’ feature, which allows you to select and add (‘Promote’)

up to twelve parameters into the Home display list, thereby giving simple access to

commonly used parameters.

Setting operator access to a parameter

First you must select Ed i t level, as shown on the previous page.

Once in Ed i t level, you select a list, or a parameter within a list, in the same way as

you would in Operator, or Full, level - that is to say, you move from list header to list

header by pressing

, and from parameter to parameter within each list using

However, in Edit level what is displayed is not the value of a selected parameter, but a

code representing that parameter’s availability in Operator level.

When you have selected the required parameter, use

availability in Operator level.

and

buttons to set its

There are four codes:

ALt r Makes a parameter alterable in Operator level.

P r O

Promotes a parameter into the Home display list.

r EAd Makes a parameter, or list header, read-only (it can be viewed but not altered).

HI d E Hides a parameter, or list header.

For example:

The parameter selected is Alarm 2, Full Scale Low

It will be alterable in Operator level

Hiding or revealing a complete list

To hide a complete list of parameters, all you have to do is hide the list header. If a list

header is selected, only two selections are available: r EAd and HI d E.

(It is not possible to hide the ‘ACCS’ list, which always displays the code: ‘Li St ’.)

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Promoting a parameter

Scroll through the lists to the required parameter and choose the ‘Pr O’ code. The

parameter is then automatically added (promoted) into the Home display list. (The

parameter will also be accessible, as normal, from the standard lists.) A maximum of

twelve parameters can be promoted. Promoted parameters are automatically ‘alterable’.

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TUNING

Before tuning, please read Chapter 2, Operation, to learn how to select and change a

parameter.

This chapter has five topics:

WHAT IS TUNING?

AUTOMATIC TUNING

MANUAL TUNING

COMMISSIONING OF MOTORISED VALVE CONTROLLERS

GAIN SCHEDULING

WHAT IS TUNING?

In tuning, you match the characteristics of the controller to those of the process being

controlled in order to obtain good control. Good control means:

Stable, ‘straight-line’ control of the process variable at setpoint without fluctuation

No overshoot, or undershoot, of the process variable setpoint

Quick response to deviations from the setpoint caused by external disturbances,

thereby rapidly restoring the process variable to the setpoint value.

Tuning involves calculating and setting the value of the parameters listed in Table 4-1.

These parameters appear in the ‘Pi d ’ list.

Parameter

Code

Meaning or Function

Proportional

band

The bandwidth, in display units, over which the output power is

proportioned between minimum and maximum.

Integral time

Derivative time

High Cutback

Determines the time taken by the controller to remove steady-

state error signals.

t i

Determines how strongly the controller will react to the rate-of-

change of the measured value.

t d

The number of display units, above setpoint, at which the

controller will increase the output power, in order to prevent

undershoot on cool down.

Hc b

Low cutback

The number of display units, below setpoint, at which the

controller will cutback the output power, in order to prevent

overshoot on heat up.

Lc b

r EL

Relative cool

gain

Only present if cooling has been configured and a module is

fitted. Sets the cooling proportional band, which equals the Pb

value divided by the r EL value.

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AUTOMATIC TUNING

Two automatic tuning methods are provided in the AACC 2000:

A one-shot tuner, which automatically sets up the initial values of the parameters

listed in Table 4-1 on the previous page.

Adaptive tuning, which continuously monitors the error from setpoint and modifies

the PID values, if necessary.

One-shot Tuning

The ‘one-shot’ tuner works by switching the output on and off to induce an oscillation in

the measured value. From the amplitude and period of the oscillation, it calculates the

tuning parameter values.

If the process cannot tolerate full heating or cooling being applied during tuning, then the

level of heating or cooling can be restricted by setting the heating and cooling power

limits in the ‘o P’ list. However, the measured value must oscillate to some degree for the

tuner to be able to calculate values.

A One-shot Tune can be performed at any time, but normally it is performed only once

during the initial commissioning of the process. However, if the process under control

subsequently becomes unstable (because its characteristics have changed), you can re-

tune again for the new conditions.

It is best to start tuning with the process at ambient process variable. This allows the

tuner to calculate more accurately the low cutback and high cutback values which restrict

the amount of overshoot, or undershoot.

How to tune

1. Set the setpoint to the value at which you will normally operate the process.

2. In the ‘At u n ’ list, select ‘t u n E’ and set it to ‘o n ’.

3. Press the Page and Scroll buttons together to return to the Home display. The display

will flash ‘t u n E’ to indicate that tuning is in progress.

4. The controller induces an oscillation in the process variable by first turning the

heating on, and then off. The first cycle is not complete until the measured value has

reached the required setpoint.

5. After two cycles of oscillation the tuning is completed and the tuner switches itself

off.

6. The controller then calculates the tuning parameters listed in Table 4-1 and resumes

normal control action.

If you want ‘Proportional only’, ‘PD’, or ‘PI’ control, you should set the ‘t i ’ or ‘t d ’

parameters to OFF before commencing the tuning cycle. The tuner will leave them off

and will not calculate a value for them.

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Typical automatic tuning cycle

Process Variable

Setpoint

Time

Calculation of the cutback values

Low cutback and High cutback are values that restrict the amount of overshoot, or

undershoot, that occurs during large step changes in process variable (for example, under

start-up conditions).

If either low cutback, or high cutback, is set to ‘Au t o ’ the values are fixed at three times

the proportional band, and are not changed during automatic tuning.

Adaptive tune

Adaptive tuning is a background algorithm, which continuously monitors the error from

setpoint and analyses the control response during process disturbances. If the algorithm

recognises an oscillatory, or under-damped, response it recalculates the Pb , t i and t d

values.

Adaptive tune is triggered whenever the error from setpoint exceeds a trigger level. This

trigger level is set in the parameter ‘d r A.t ’, which is found in the Autotune list. The

value is in display units. It is automatically set by the controller, but can also be

manually

re-adjusted.

Adaptive tune should be used with:

1. Processes whose characteristics change as a result of changes in the load, or setpoint.

2. Processes that cannot tolerate the oscillation induced by a One-shot tune.

Adaptive tune should not be used:

1. Where the process is subjected to regular external disturbances that could mislead the

adaptive tuner.

2. On highly interactive multiloop applications. However, moderately interactive loops,

such as multi-zone extruders, should not give a problem.

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MANUAL TUNING

If for any reason automatic tuning gives unsatisfactory results, you can tune the controller

manually. There are a number of standard methods for manual tuning. The one

described here is the Ziegler-Nichols method.

With the process at its normal running process variable:

1. Set the Integral Time ‘t i ’ and the Derivative Time ‘t d ’ to OFF.

2. Set High Cutback and Low Cutback, ‘Hc b ’ and ‘Lc b ’, to ‘Au t o ’.

3. Ignore the fact that the process variable may not settle precisely at the setpoint.

4. If the process variable is stable, reduce the proportional band ‘Pb ’ so that the process

variable just starts to oscillate. If the process variable is already oscillating, increase

the proportional band until it just stops oscillating. Allow enough time between each

adjustment for the loop to stabilise. Make a note of the proportional band value ‘B’

and the period of oscillation ‘T’.

5. Set the Pb, ti, td parameter values according to the calculations given in Table 4-2.

Type of control

Proportional

band ‘Pb’

Integral time

‘ti’

Derivative time

‘td’

Proportional only

P + I control

2xB

OFF

2.2xB

0.8xT

OFF

P + I + D control

1.7xB

0.5xT

0.12xT

Table 4-2 Tuning values

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Setting the cutback values

The above procedure sets up the parameters for optimum steady state control. If

unacceptable levels of overshoot or undershoot occur during start-up, or for large step

changes in process variable, then manually set the cutback parameters ‘Lc b ’ and ‘Hc b ’.

Proceed as follows:

1. Set the low and high cutback values to three proportional bandwidths (that is to say,

Lcb = Hcb = 3 x Pb).

2. Note the level of overshoot, or undershoot, that occurs for large atmosphere changes

(see the diagrams below).

In example (a) increase ‘Lc b ’ by the overshoot value. In example (b) reduce ‘Lc b ’ by

the undershoot value.

Example (a)

Atmosphere

Setpoint

Overshoot

Example (b)

Atmosphere

Setpoint

Undershoot

Time

Where the atmosphere approaches setpoint from above, you can set ‘Hc b ’ in a similar

manner.

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Integral action and manual reset

In a full three-term controller (that is, a PID controller), the integral term ‘ti’

automatically removes steady state errors from the setpoint. If the controller is set up to

work in two-term mode (that is, PD mode), the integral term will be set to ‘OFF’. Under

these conditions the measured value may not settle precisely at setpoint. When the

integral term is set to ‘OFF’ the parameter manual reset (code ‘r ES’) appears in the

‘Pi d Li St ’ in ‘Fu LL’ level. This parameter represents the value of the power output

that will be delivered when the error is zero. You must set this value manually in order

to remove the steady state error.

Automatic droop compensation (Adc)

The steady state error from the setpoint, which occurs when the integral term is set to

‘OFF’ is sometimes referred to as ‘droop’. ‘Ad c ’ automatically calculates the manual

reset value in order to remove this droop. To use this facility, you must first allow the

process variable to stabilise. Then, in the autotune parameter list, you must set ‘Ad c ’ to

‘o n ’. The controller will then calculate a new value for manual reset, and switch ‘Ad c ’

to ‘OFF’.

‘Ad c ’ can be repeated as often as you require, but between each adjustment you must

allow time for the process variable to stabilise.

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Motorized valve control

The AACC 2000 can be configured for motorised valve control as an alternative to the

standard PID control algorithm. This algorithm is designed specifically for positioning

motorised valves.

These are ordered pre-configured as Model numbers:

2000/VC motorised valve controllers

2000/VP motorised valve controllers with a single setpoint programmer

2000/V4 motorised valve controllers storing four setpoint programs.

2000/VM motorised valve controllers storing twenty setpoint programs.

Figure 1-11 in Chapter 1 shows how to connect a motorised valve controller. The control

is performed by delivering open, or close, pulses in response to the control demand

signal.

The motorised valve algorithm can operate in one of three ways:

1. The so-called boundless mode, which does not require a position feedback

potentiometer for control purposes; although one can be connected and used purely to

display the valve’s position.

2. Bounded, (or position), control mode, which requires a feedback potentiometer.

This is closed-loop control determined by the valve’s position.

The desired control mode is selected in the ‘i n s t ’ list in configuration level.

The following parameter list will appear in the navigation diagram shown in Chapter 2, if

your controller is configured for motorised valve control.

Name

Description

Motor list

Values

Max

Min

Default

mt r

Valve travel time in seconds.

This is the time taken for the valve to travel

from its fully closed position to its fully open

position.

t m

0 .1

2 4 0 .0

3 0 .0

Valve inertia time in seconds.

This is the time taken for the valve to stop

moving after the output pulse is switched off.

I n .t

OFF

2 0 .0

OFF

Valve backlash time in seconds.

b Ac .t

This is the minimum on-time required to

reverse the direction of the valve. i.e. the

time to overcome the mechanical backlash.

Output pulse minimum on-time, in seconds.

Valve sensor break strategy.

mp .t

U.b r

Au t o

1 0 0 .0

Au t o

d wn

r ESt , u P, d wn

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COMMISSIONING THE MOTORISED VALVE CONTROLLER

The commissioning procedure is the same for both bounded and boundless control modes,

except in bounded mode you must first calibrate the position feedback potentiometer, as

described in the section below.

Proceed as follows:

1. Measure the time taken for the valve to be raised from its fully closed to its fully

open position and enter this as the value in seconds into the ‘t m’ parameter.

2. Set all the other parameters to the default values shown in Table 4-3.

The controller can then be tuned using any of the automatic, or manual, tuning procedures

described earlier in this chapter. As before, the tuning process, either automatic or

manual, involves setting the values of the parameters in Table 4-1. The only difference

with boundless control is that the derivative term ‘t d ’, although present, will have no

effect.

Adjusting the minimum on-time ‘mp .t ’

The default value of 0.2 seconds is satisfactory for most processes. If, however, after

tuning the process, the valve activity is excessively high, with constant oscillation

between raise and lower pulses, the minimum on-time can be increased.

The minimum on-time determines how accurately the valve can be positioned and

therefore the control accuracy. The shorter the time, the more precise the control.

However, if the time is set too short, process noise will cause an excessively busy valve.

Inertia and backlash settings

The default values are satisfactory for most processes, i.e. ‘OFF’.

Inertia is the time taken for the valve to stop after the output pulse is turned off. If this

causes a control problem, the inertia time needs to be determined and then entered into

the parameter, ‘I n .t ’. The inertia time is subtracted from the raise and lower output

pulse times, so that the valve moves the correct distance for each pulse.

Backlash is the output pulse time required to reverse the direction of the valve, i.e. the

time taken to overcome the mechanical backlash of the linkages. If the backlash is

sufficient to cause a control problem, then the backlash time needs to be determined and

then entered into the parameter, ‘b a c .t ’.

The above two values are not part of the automatic tuning procedure and must be entered

manually.

CALIBRATING THE POSITION FEEDBACK POTENTIOMETER

Before proceeding with the feedback potentiometer calibration, you should ensure, in

configuration level, that module position 2 (2 a ), or 3 (3 a ), has its ‘i d ’ indicating

‘Po t .i ’, (meaning Potentiometer Input). Continue to scroll down the module

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configuration list. ‘f u n c ’ should be set to ‘Vp o s ’, ‘VAL.L’ must be set to ‘0 ’ and

‘VAL.H’ to ‘1 0 0 ’.

Exit from configuration and you are now ready to calibrate the position feedback

potentiometer. Proceed as follows.

1. In Operator level, press the AUTO/MAN button to put the controller in Manual mode.

2. Drive the valve to its fully open position using

3. Press

4. Press

5. Press

6. Press

7. Press

until you get to ‘i p - Li s t ’.

to get to ‘PCAL- OFF’.

and the upper readout indicates ‘Po t ’.

or to get to ‘Po t - 3 A.Hi ’. (Assuming that the Potentiometer Input

to turn ‘PCAL’ to ‘o n ’.

Module is in module position 3.)

8. Press to go to ‘GO- n o ’.

9. Press or to see ‘GO- YES’, which starts the calibration procedure.

10. Calibration is complete when the display returns to ‘GO- n o ’.

11. Press and together to return directly to the Operator level.

12. The controller should still be in Manual mode.

13. Drive the valve to its fully closed position using

14. Press

15. Press

16. Press

17. Press

18. Press

19. Press

20. Press

until you get to ‘i p - Li s t ’.

to get to ‘PCAL- OFF’.

and the upper readout indicates ‘Po t ’.

or to get to ‘Po t - 3 A.Lo ’

to go to ‘GO- n o ’.

or to see ‘GO- YES’, which starts the calibration procedure.

to turn ‘PCAL’ to ‘o n ’.

21. Calibration is complete when the display returns to ‘GO- n o ’.

22. Press and together to return directly to the Operator level.

23. Press the AUTO/MAN button to place the controller in AUTO and the calibration of

the position feedback potentiometer is now complete.

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Gain scheduling

Gain scheduling is the automatic transfer of control between one set of PID values and

another. In the case of the AACC 2000 controllers, this is done at a presettable process

value. It is used for the more difficult to control processes which exhibit large changes

in their response time or sensitivity at, for example, high and low process variables, or

when heating or cooling.

The AACC 2000 has two sets of PID values. You can select the active set from either a

digital input, or from a parameter in the PID list, or you can transfer automatically in gain

scheduling mode. The transfer is bumpless and will not disturb the process being

controlled.

To use gain scheduling, follow the steps below:

Step1: Enable in configuration level

Gain scheduling must first be enabled in

Gs c h

Configuration level. Goto the I n s t Co n f list,

select the parameter Gs c h , and set it to YES.

YES

Step 2: Set the transfer point

G.SP

Once gain scheduling has been enabled, the

parameter G.SP will appear at the top of the

3 5 0

Pi d list in Fu LL access level. This sets the

value at which transfer occurs. PID1 will be

active when the process value is below this

setting and PID2 when the process value is

above it. The best point of transfer depends on

the characteristics of the process. Set a value

between the control regions that exhibit the

greatest change

Step 3: Tuning

You must now set up the two sets of PID values. The values can be

manually set, or automatically tuned as described earlier in this chapter.

When tuning automatically you must tune twice, once above the switching

point G.SP and again below the switching point. When tuning, if the

process value is below the transfer point G.SP the calculated values will

automatically be inserted into PID1 set and if the process value is above

G.SP, the calculated values will automatically be inserted into PID2 set.

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CONFIGURATION

This chapter consists of six topics:

SELECTING CONFIGURATION LEVEL

LEAVING CONFIGURATION LEVEL

SELECTING A CONFIGURATION PARAMETER

CHANGING THE PASSWORDS

NAVIGATION DIAGRAM

CONFIGURATION PARAMETER TABLES.

In configuration level you set up the fundamental characteristics of the controller.

These are:

The type of control (e.g. reverse or direct acting)

The Input type and range

The Setpoint configuration

The Alarms configuration

The Programmer configuration

The Digital input configuration

The Alarm Relay configuration

The Communications configuration

The Modules 1, 2 & 3 configuration

Calibration

The Passwords.

WARNING

Configuration is protected by a password and should only be carried out by a

qualified person, authorised to do so. Incorrect configuration could result in

damage to the process being controlled and/or personal injury. It is the

responsibility of the person commissioning the process to ensure that the

configuration is correct.

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Selecting configuration level

There are two alternative methods of selecting Configuration level:

If you have already powered up, then follow the access instructions given in Chapter

3, Access levels.

Alternatively, press

and

together when powering up the controller. This will

take you directly to the ‘Co n F’ password display.

Password entry

When the ‘Co n F’ display appears, you must enter the

Configuration password (which is a number) in order to gain

access to Configuration level.

Enter the password using the

buttons.

The configuration password is set to ‘2 ’ when the controller

is shipped from the factory.

Once the correct password has been entered, there is a two

second delay, after which the lower readout will change to

‘PASS’ indicating that access is now unlocked.

Note: A special case exists if the password has been set to

‘0 ’. In this situation, access is permanently unlocked and the

lower readout will always show ‘PASS’.

Press

to enter configuration.

(If an incorrect password has been entered and the controller

is still ‘locked’ then pressing at this point will take you

to the ‘Ex i t ’ display with ‘n o ’ in the lower readout. Simply

press to return to the ‘Co n F’ display.)

You will obtain the first display of configuration.

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LEAVING CONFIGURATION LEVEL

To leave the Configuration level and return to Operator level Press

until the

‘Ex i t ’ display appears.

Alternatively, pressing

and

Use

together will take you directly to the ‘Ex i t ’ display

or to select ‘YES’. After a two-

second delay, the display will blank and revert to

the Home display in Operator level.

SELECTING A CONFIGURATION PARAMETER

The configuration parameters are arranged in lists as shown in the navigation diagram

Figure 6.1.

To step through the list headers, press the Page

button.

To step through the parameters within a particular list press the Scroll

When you reach the end of the list you will return to the list header.

button.

You can return directly to the list header at any time by pressing the Page

Parameter names

Each box in the navigation diagram shows the display for a particular parameter. The

upper readout shows the name of the parameter and the lower readout its value. For a

definition of each parameter, see the Configuration Parameter Tables at the end of this

chapter. To change the value of a selected parameter, use the

and

buttons.

The navigation diagram shows all the lists headers and parameters that can, potentially,

be present in the controller. In practice, those actually present will vary according to

the particular configuration choices you make.

Changing the passwords

There are TWO passwords. These are stored in the Password configuration list and can

be selected and changed in the same manner as any other configuration parameter.

The password names are:

‘ACC.P’ which protects access to Full level and Edit level

‘c n F.P’ which protects access to Configuration level.

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NAVIGATION DIAGRAM (PART A)

Instrument

Process

Input Config

List

Setpoint

Config

Alarms

Config

Value List

List

i n ST

i P

Co n F

Li St

Co n F

u n i T

n SP

AL1

2 r Fn

i n PT

°C

FSH

CAr B

h t c

Fwd .t

n o n e

r mTr

LTc h

CTr L

CJ C

d Ec .p

OFF

o n

Pi d

Au t o

n n n n

Sb r T

SB.OP

m.Tr

b Lo c

TYPE

i mP

r n GL

OFF

o n

c t r L

Au t o

FOP

n o

r mPU

AL2

Ac T

r n GH

PSEc

FSH

REU

2 0 0 0

b c d

n o n E

r mT

LTc h

c o o l

n o n E

o n

LI N

GSc h

n o

b Lo c

Ti Td

o n

SEc

AL3

d t YP

FSH

LTc h

m- A

o n

D1 SA

b Lo c

r - h

o n

ENAB

Pwr F

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Logic

Config

Alarms

Config

Comms1

Config

Comms2

Config

Module1

Config

LAb

J A

1 A

Co n F

i d

AL4

Lo G

RELY

CMS

NONE

d Cr E

FSH

Fu n c

LTc h

Ma n

n o r

OP1

o n

SEn S

b Au d

Ua L.L

b Lo c

n o r

9 6 0 0

o n

I FSH

Pr TY

UALH

y e s

n o n E

1 0 0

2 FSL

r ES

u n i T

n o

Fu LL

AL3

d ELY

Ou TL

n o

4 .0

AL4

Ou TH

n o

2 0 .0

Plus

Event

Outputs

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Module2

Config

Module3

Config

Module4

Config

Module

Config

Module

Config

Module

Config

2 A

3 A

4 A

4 C

5 A

5 C

Co n F

i d

d Cr E

r ELY

Fu n c

OP2

H- CO

DI G

Ua L.L

i n PT

SEn S

Hr 1 n

i n u

n o r

UALH

i mP

1 FSH

1 0 0

o f f

YES

n o

u n i T

i n PL

2 FSL

0 .0

n o

YES

n o

Ou TL

i n PH

AL3

4 .0

2 .0

n o

Ou TH

UALL

AL4

2 0 .0

n o

UALH

i mp

2 0 0 0

Ye s

b u r n

y e s

UEr i

n o

PFLT

n o

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Module

Config

Custom

Config

Calibration

Config

Password

Config

Exit

6 A

CUST

CAL

PASS

Ex i t

Co n F

i d

i n 1

c AL

ACCP

c n FP

r ELY

0 .0

n o n E

Fu n c

UAL1

UCAL

PMV

0 .0

i n PT

i n 2

Pt 1 L

Pt 1 H

Hi Ln

1 .0

i mP

UAL2

Au t o

2 0 0 .0

i n PL

i n 3

OF1 L

- 0 .2

2 .0

0 .0

i n PH

UAL.3

OF1 H

1 .8

3 5 0 .0

0 .0

UALL

Pt 2 L

Pt 2 H

- 2 0 0

UALH

1 8 0 0

i n 8

7 .0

OF2 L

0 .0

UAL.8

8 0 0 .0

OF2 H

0 .0

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CONFIGURATION PARAMETER TABLES

Name

Description

Values

Meaning

Instrument configuration

i n S t

Instrument Function

% Carbon

Zr Fn

Ca r b

Control type

PID control

On/off control

Boundless motorised valve

control - no feedback

required

Ct r L

Pi d

On .OF

Bounded motorised valve

VP b

control - feedback required

Instrument USE

Control action

Type of cooling

Controller

Monitor

Reverse acting

Direct acting

Linear

t YPE

Ac t

c t r L

Mo n

r Ev

d i r

Li n

o i L

Co o L

Oil (50mS minimum on-

time)

Water (non-linear)

Fan (0.5S minimum on-

time)

H2 O

FAn

Proportional only to error

On/off cooling

Pr o P

o n .OF

Integral & derivative

time units

Seconds, OFF to 9999

Minutes, OFF to 999.9

Enabled

Disabled

Enabled

Disabled

Off

t i .t d

m- A

SEc

mi n

En Ab

d i SA

En Ab

d i SA

o n

Front panel Auto/Man button

Front panel Run/Hold button

Power feedback

r - h

Pwr F

Fwd .t

OFF

Feed forward type

None

n o n e

FEEd

SP.FF

PV.FF

Normal feed forward

Setpoint feed forward

PV feed forward

Sensor break output

Forced manual output

Go to pre-set value

Freeze output

Bumpless Auto/Manual

transfer

Sb r .t

FOP

Sb .OP

Ho Ld

n o

Returns to the Manual

value that was set when

last in Manual mode

Steps to forced output

level. Value set in ‘FOP’ of

‘o p - Li s t ’ in Operator

Level

t r a c

St e p

BCD input function

Not used

Select program number

Select setpoint number

b c d

n o n e

p r o g

s p

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Gain schedule enable

Disabled

Enabled

g s c h

n o

y e s

Process value config

Inststrument units

p V

u n i t

⁰C

Celsius

Farenheit

Kelvin

⁰F

⁰k

Decimal places in the

displayed value

Display units blanked

None

One

Two

d e c .p

n o n e

n n n n

n n n .n

n n .n n

Range low

Range high

Low range limit. Also setpoint limit for

alarms and programmers

High range limit. Also setpoint limit for

alarms and programmers

r n g .l

r n g .h

Name

i P

i n Pt

Description

Input configuration

Input type

Values Meaning

J thermocouple

J .t c

k .t c

L.t c

r .t c

b .t c

n .t c

t .t c

S.t c

PL 2

C.t c

K thermocouple

L thermocouple

R thermocouple (Pt/Pt13%Rh)

B thermocouple (Pt30%Rh/Pt6%Rh)

N thermocouple

T thermocouple

S thermocouple (Pt/Pt10%Rh)

PL 2 thermocouple

Custom downloaded t/c (default = type

100W platinum resistance thermometer

Linear millivolt

r t d

Linear voltage

Linear milliamps

v o Lt

Square root volts

Square root milliamps

Sr V

Sr A

mV.C

* see “ CUST” List.

8-point millivolt custom linearisation*

8-point Voltage custom linearisation*

8-point milliamp custom linearisation*

V.C

mA.C

Name

CJ C

Description

Cold Junction

Compensation

Values Meaning

Automatic internal compensation

Au t o

0 ^oC

0^oC external reference

45^oC external reference

50^oC external reference

No cold junction compensation

4 5 ^oC

5 0 ^oC

OFF

Sensor Break Impedance

Disabled (only with linear inputs)

Factory set

Impedance of input > 5KW

Impedance of input > 15KW

i mp

Of f

Au t o

Hi .Hi

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Linear Input Scaling - The next 4 parameters only appear if a linear or sq rt input is chosen.

Displayed Value

Input value low

i n p .L

i n p .H

VAL.L

VAL.H

VAL.

Input value high

Displayed reading low

Displayed reading high

VAL.

Electrical

Input

i nP.L

i nP.H

Name Description

Values Meaning

Setpoint configuration

S P

Number of setpoints

Remote Tracking

Select number of setpoints available

n SP

r m.t r

2 , 4 , 1 6

OFF

Disable

Local setpoint tracks remote setpoint

Disable

t r Ac

OFF

Manual Track

m.t r

Local setpoint tracks PV when in

manual

t r Ac

Setpoint rate limit units

Per second

r mP.U

PSEc

Pmi n

PHr

Per minute

Per hour

Remote setpoint configuration

Disable

r mt

n o n E

Remote setpoint

Remote setpoint + local trim

Remote trim + local setpoint

Lo c .t

r mt .t

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Alarm configuration

Values

The controller contains four ‘soft’ alarms, which are configured in this list. Once configured,

they can be attached to a physical output as described in the alarm relay configuration list,

‘AA Co n f ’.

see Table A

Alarm 1 Type

Latching

AL1

Lt c h

n o /YES/Ev n t /mAn *

n o /YES

Blocking

b Lo c

AL2

see Table A

Alarm 2 Type

Latching

Lt c h

n o /YES/Ev n t /mAn *

n o /YES

Blocking

b Lo c

AL3

see Table A

Alarm 3 Type

Latching

Lt c h

n o /YES/Ev n t /mAn *

n o /YES

Blocking

b Lo c

AL4

see Table A

Alarm 4 Type

Latching

Lt c h

n o /YES/Ev n t /mAn *

Blocking (not if ‘AL4 ’ = ‘r At ’)

b Lo c

n o /YES

Table A - Alarm types

Value Alarm type

No alarm

OFF

FSL

FSH

d Ev

d Hi

d Lo

LCr

HCr

FL2

FH2

LOP

HOP

LSP

HSP

r At

PV Full scale low

PV Full scale high

PV Deviation band

PV Deviation high

PV Deviation low

Load Current low

Load Current high

Input 2 Full Scale low

Input 2 Full Scale high

Working Output low

Working Output high

Working Setpoint low

Working Setpoint high

PV Rate of change

AL4 only

Alarm Modes

‘n o ’ means that the alarm will be non-latching.

‘YES’ means that the alarm will be latched, with automatic resetting. Automatic resetting means that if a

reset is actioned before the alarm has cleared, then it will automatically reset when it clears

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Name Description

Values

Meaning

Digital input 1 configuration

Action on contact closure

Logic input

i d

Identity

Lo G.i

n o n E

mAn

r mt

SP.2

Pi d .2

t i H

t u n E

d r A

Ac .AL

Ac c S

Lo c .b

u P

Function of input

The function is active

when the input has a contact

closure to the common

terminal - LC

No function

Fu n c

Manual mode select

Remote setpoint select

Setpoint 2 select

PID set 2 select

Integral hold

One-shot self-tune enable

Adaptive tune enable

Acknowledge alarms

Select Full access level

Keylock

Simulate pressing of the

button

d wn

Simulate pressing of the

button

Sc r L

PAGE

Simulate pressing of the

button

Simulate pressing of the

button

These BCD inputs are used to

select either a program number

or the setpoint number

Least significant BCD digit

2nd BCD digit

3rd BCD digit

b c d .1

b c d .2

b c d .3

b c d .4

according to the setting of the

4th BCD digit

5th BCD digit

parameter ‘b c d ’ in the ‘i n St ’ b c d .5

configuration list

Most significant BCD digit

Standby - ALL control outputs

turned OFF (alarm Outputs are

not affected)

b c d .6

St b y

PV Select:

PV.SL

Closed = PV1 / Open = PV2

Initiate Impedance test

I MP

Digital input 2 configuration

Action on contact closure

As per Digital input 1 configuration

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Name Description

Values

Meaning

Alarm relay configuration

Identity

Relay output

No function

Digital output

i d

r ELy

Function

Fu n c

n o n E

d I G

n o r

Digital output sense

Normal (output energises when

SEn S

TRUE, e.g. program events)

Inverted (output de-energises

i n v

when TRUE, e.g. alarms)

The following digital events appear after ‘SEn S’. Any one, or more, of the events can be

combined on to the output (see Fig. 6-2) by selecting ‘YES’ in the lower readout.

Alarm 1 active

Alarm 2 active

1 - - -

2 - - -

YES / n o (- - - ) = alarm type (e.g. FSL).

If an alarm has not been

YES / n o

configured

Alarm 3 active

3 - - -

YES / n o in ‘AL Co n F’ list, then display

will

Alarm 4 active

4 - - -

mAn

YES / n o differ:- e.g. Alarm 1 = ‘AL 1 ’.

Controller in manual mode

Sensor break

YES / n o

Sb r

PV out of range

Loop break

SPAn

Lb r

Load failure alarm

Tuning in progress

Ld .F

t u n E

d c .F

Voltage output open circuit, or mA

output open circuit

module connection open circuit

Input 1 Failure

r mt .F

i P1 .F

I MP

YES / n o

Impedance test in progress

Probe burn off in progress

Probe verification in progress

Verification Fault

b u r n

VERi

VFLT

PFLT

n w.AL

En d

Probe Fault

New Alarm has occurred

YES / n o

End of setpoint rate limit, or end of

program

YES / n o

Program Synchronisation active

SYn c

YES / n o

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Digital Events

n o r

d I G

SEnS

Output

Module

i n v

Figure 6-2 Combining several digital events on to one output

Name Description

Values Meaning

Comms 1 module config

Identity of the module installed

2-wire EIA-485

i d

c mS

For ‘i d ’ = ‘c ms ’ (Digital communications) use this parameter table:

Function

Modbus protocol

Fu n c

mo d

mAr

Marathon Monitors protocol

Baud Rate

b Au d

d ELy

1 2 0 0 , 2 4 0 0 , 4 8 0 0 , 9 6 0 0 ,

1 9 .2 0 (19,200)

Delay - quiet period, required by

No delay

n o

some comms

adaptors

Delay active - 10mS

YES

Comms Parity

No parity

Pr t y

n o n E

Ev En

Od d

Even parity

Odd parity

The following parameters only appear if the function chosen is Modbus protocol.

Comms Resolution

Full resolution

r ES

Fu LL

I n t

Integer resolution

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module config

J A

NO configuration required

Name

Description

Values Meaning

1 A/b /C⁽¹⁾

Module 1 configuration

Identity of module installed

Module not fitted

Relay output

Non-isolated DC output

Logic/ output

Logic input

i d

n o n E

r ELy

d C.OP

Lo G

Lo G.i

SSr

(1) If a dual-, or triple-, channel

module is installed then the list

headers 1 b and 1 C also appear

Triac output

DC retransmission

(isolated)

d c .r E

Isolated DC output

d c .OP

For ‘i d ’ = ‘r ELy ’, ‘Lo G’, or ‘SSr ’ use this parameter table:

Function

Function disabled

Digital output function

Heating output

Fu n c

n o n E

d I G

(Only Channels 1 A and 1 C can be HEAt

Heating, or Cooling)

Cooling output

COOL

Open motorised valve

Close motorised valve

mode 1 heating

u p

d wn

(Only if ‘i d ’ = ‘Lo G’) SSr .1

mode 2 heating

(Only if ‘i d ’ = ‘Lo G’) SSr .2

Displayed Value

VAL.L

VAL.H

% PID demand signal

giving minimum output -

‘Ou t .L’

VAL.H

% PID demand signal

giving maximum output -

‘Ou t .H’

Retransmitted

VAL.L

Output

100%

Ou t .L

Ou t .H

SEn S

Minimum average power

Maximum average power

Sense of output

(Only if ‘Fu n c ’ = ‘d I G’)

Normal (output energises

when TRUE, e.g

n o r

program events)

Inverted (output de-

energises when TRUE,

e.g. alarms)

i n v

Notes:

1. When ‘SEn S’ appears, then further parameters are available.

These are identical to those in the ‘AA Co n F’ list on Page 6-12.

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2. To invert a PID output, the Val. H can be set below the Val.L

Name

Description

Values Meaning

For ‘i d ’ = ‘d C.OP’, ‘d c .r E’, or ‘d c .OP’ use this parameter table:

Function

Function disabled

Fu n c

n o n E

HEAt

COOL

Heating output

Cooling output

Retransmission of PV

Retransmission of setpoint

Retransmission of error signal

Retransmission of OP power

wSP

Er r

%PID, or Retransmission Value

VAL.H

% PID, or Retrans’n Value,

giving minimum output

VAL.L

VAL.H

% PID, or Retrans’n Value,

giving maximum output

Electrical

Output

u n i t

v o Lt = Volts, mA = milliamps

Minimum electrical output

Maximum electrical output

VAL.L

Out.L

Ou t .L

Ou t .H

Out.H

For ‘i d ’ = ‘Lo G.i ’ (i.e logic input) use the LA Co n f ’ list on Page 6-11.

Module 2 configuration

2 A/b /C

As per module 1 configuration, but excluding the ‘SSr .1 ’, ‘SSr .2 ’ functions.

Identity of module installed.

As per module 2 plus:

i d

Transmitter power

supply

Potentiometer input

t PSU

Po t .i

Continued on next page

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For ‘i d ’ = ‘Po t .i (i.e. potentiometer input module) use this parameter

table:

Function

Function disabled

Remote Setpoint

Fu n c

n o n E

r SP

Feedforward input

Fwd .i

r OP.h

r OP.L

VPo S

Remote OP power max.

Remote OP power min.

Motorised valve position

Displayed value low

equivalent to 0%

Displayed Value

potentiometer position

VAL.H

VAL.L

VAL.H

Displayed value high

equivalent to 100%

potentiometer position

VAL.L

Electrical

Input

i nP.L

i nP.H

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3 A/b /C

Module 3 configuration

As per module 2 configuration, plus ‘i d ’ = ‘d C.i P’

For ‘i d ’ = ‘d C.i P’ use this parameter table.

THIS INCLUDES THE SECOND PV FUNCTIONS

Function

Function disabled

Remote Setpoint

Fu n c

n o n E

r SP

Fwd .i

r OP.h

r OP.L

Feedforward input

Remote OP power max.

Remote OP power min.

PV = The highest of i P.1 , or i P.2

PV = The lowest of i P.1 , or i P.2

Derived function, where

PV = (f .1 x i P1 ) + (f .2 x i P2 ).

Ft n

‘F.1 ’ and ‘F.2 ’ are scalars which are

found in ‘i p - Li s t ’ of Operator Level

Select i p .1 , or i p .2 via Comms, front

SEL

panel buttons, or a digital input

Transition of control between i p .1

and i p .2 . The transition region is set

by the values of ‘Lo .I p ’ and ‘Hi .I p ’,

which are found in ‘i p - Li s t ’ of

Operator Level. PV = i p .1 below

‘Lo .I p ’

t r An

PV = i p .2 above ‘Hi .I p ’

Input type

i n p t

CJ C

Refer to ‘i p Co n f ’ for all types, + the following:

High Impedance (range = 0 to 2 volt)

Hi I n

Cold Junction

Compensation

No cold junction compensation

Automatic internal compensation

0^oC external reference

OFF

Au t o

0 ^oC

4 5 ^oC

5 0 ^oC

45^oC external reference

50^oC external reference

Sensor Break Impedance

Disabled (only with linear inputs)

Factory set

Impedance of input > 15KW

Impedance of input > 30KW

i mp

Of f

Au t o

Hi .Hi

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Linear Input Scaling - The next four parameters only appear if a linear input is chosen.

Displayed value

Input value low

i n P.L

i n P.H

VAL.L

VAL.H

Input value high

Displayed value low

Potentiometer

position

VAL.L

Displayed value high

VAL.H

100%

Name

Description

Values Meaning

A /C

Module configuration

As per module AA configuration

A /C

Module configuration

As per module AA configuration

Name Description

Values

Meaning

Module configuration

Identity of module DC input

Function

6 A

DC input

i d

r ELy

n o n E

Hi I n

Pin v probe mv input

Fu n c

i n PT

Input type

High Impedance (range = 0 to 2 volt)

Displayed Value

Input value low

i n P.L

i n P.H

VAL.L

VAL.H

Input value high

Displayed value low

Displayed value high

VAL.L

i nP.L

Electrical

Input

i nP.H

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8-point Custom Linearisation ⁽¹⁾

Cu s t

i n

Custom input 1

Displayed Value

Linearisation Value representing

VAL.1

VAL.8

i n 1

i n

VAL.3

VAL.1

Custom input 8

Electrical

Input

Linearisation Value representing

i n 8

VAL.8

i n 1

i n 3

i n 8

Note:

1. Custom Linearisation is only available when ‘3 a - Co n f ’or i P- Co n F list

has ‘i n p t ’ set to ‘mV.C’, or ‘mA.C’, or ‘V.C’.

1. The values and inputs must be continuously increasing or decreasing

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Name

Description

Values Meaning

Calibration

CAL

In this mode you can

1. Calibrate the instrument using a mV source - r c AL or ref source cal.

2. Offset the calibration to account for errors in actual sensor

measurement and a ref sensor - UCAL or user calibration

3. Return to factory set calibration - FACT or factory set calibration.

Goto User

calibration

table-See also

chapter 7

Calibration

point

No calibration

r c AL

n o n E

Calibrate main Process Value input.

Calibrate DC input, or PV 2.

Go to input

Calibation table

PV.2

Calibrate DC output high - Module 1

Calibrate DC output low - Module 1

Calibrate DC output high - Module 2

Calibrate DC output low - Module 2

Calibrate DC output high - Module 3

Calibrate DC output low - Module 3

1 A.Hi

1 A.Lo

2 A.Hi

2 A.Lo

3 A.Hi

3 A.Lo

Go to

DC Output

Calibration

table

INPUT CALIBRATION

For ‘CAL’ = ‘PV’, or ‘PV.2 ’, the following parameters apply.

PV Calibration Value

Idle

I d LE

mv .L

Select 0mV as the calibration

point

Select 50mV as the calibration

point

mv .H

V 0

Select 0Volt as the calibration

point

1. Select calibration value

2. Apply specified input

Select 10V as the calibration

point

V 1 0

Select 0^oC CJC calibration point

CJ C

r t d

Select 400W as the calibration

point

3. Press

to step to ‘GO’

High impedance: 0Volt cal’n

point

HI 0

High impedance: 1.0 Volt cal’n

point

HI 1 .0

Restore factory calibration

Waiting to calibrate PV point

See Note below.

FACt

n o

Start calibration

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Start calibration

YES

Select ‘YES’ with

Wait for calibration to

complete.

Busy calibrating

b u Sy

d o n E

FAI L

PV input calibration completed

Calibration failed

Note. When a DC input module is installed for the first time, or there is a requirement to change one,

then the microprocessor in the controller needs to read the factory calibration data stored in the module.

Select ‘FACt ’ as the calibration value. Step to ‘GO’ and start calibration.

DC Output Calibration

The following parameters apply to DC output modules ie for r c AL = 1 A.Hi to 3 A.Lo

Output Calibration High

c AL.H

0 = Factory set calibration.

Trim value until output = 9V, or

18mA

Output Calibration Low

c AL.L

0 = Factory set calibration.

Trim value until output = 1V, or

2mA

User calibration

UCAL

User calibration enable

Yes/no

Low calibration point for Input 1

The factory calibration point at which the

low point offset was performed.

p t 1 .L

High calibration point for Input 1

The factory calibration point at which the

high point offset was performed.

p t 1 .H

Offset Low for Input 1

Calculated offset, in display units.

OF1 .L

OF1 .H

p t 2 .L

Offset High for Input 1

Low calibration point for Input 2

The factory calibration point at which the

low point offset was performed.

High calibration point for Input 2

The factory calibration point at which the

high point offset was performed.

p t 2 .H

Offset Low for Input 2

Offset High for Input 2

Calculated offset, in display units.

OF2 .L

OF2 .H

Name

Description

Values Meaning

Password configuration

FuLL or Edit level password

Configuration level password

P AS S

ACC.P

c n F.P

Exit configuration

Ex i t

n o /YES

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User calibration

This chapter has five topics:

WHAT IS THE PURPOSE OF USER CALIBRATION?

USER CALIBRATION ENABLE

OFFSET CALIBRATION

TWO POINT CALIBRATION

CALIBRATION POINTS AND CALIBRATION OFFSETS

To understand how to select and change parameters in this chapter you will need to have

read Chapter 2 - Operation, Chapter 3- Access Levels and Chapter 6 - Configuration.

WHAT IS THE PURPOSE OF USER CALIBRATION?

The basic calibration of the controller is highly stable and set for life. User calibration

allows you to offset the ‘permanent’ factory calibration to either:

1. Calibrate the controller to the your reference standards.

2. Match the calibration of the controller to that of a particular transducer or sensor

input.

3. Calibrate the controller to suit the characteristics of a particular installation.

4. Remove long term drift in the factory set calibration.

User calibration works by introducing a single point, or two-point, offset

onto the factory set calibration.

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User Calibration Enable

The User calibration facility must first be enabled in configuration level by setting the

parameter ‘UCAL' in the input conf list to 'YES'. This will make the User calibration

parameters visible in Operator ‘Fu LL’ level.

Select configuration level as shown in Chapter 5, Configuration.

The Calibration Configuration List

Press

until you reach the ‘CAL- Co n f ’ list.

Press

until you reach ‘UCAL’.

User Calibration Enable

Use

YES: Calibration enable

n o : Calibration disabled

to select:

Press

and

together to go to the Ex i t

display.

Exit configuration

Use

to select ‘YES’ to return to Operator

level.

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Offset calibration

Offset calibration is used to apply a single fixed offset over the full display range of the

controller.

Displayed Value

Factory Calibration

Fixed Offset

Input

To calibrate, proceed as follows:

1. Connect the input of the controller to the source device to which you wish to calibrate.

2. Set the source to the desired calibration value.

3. The controller will display the current measurement of the value.

4. If the displayed value is correct, then the controller is correctly calibrated and no

further action is necessary. If it is incorrect, then follow the steps shown below.

Select ‘Fu LL’ access level, as described in Chapter 3.

Input list header

Press

until you reach the input list header.

x 3

Press

until you reach the ‘CAL’ display.

Calibration type

FACt :

Factory Calibration

User Calibration

USEr :

Use

to select ‘FACt ’.

Selecting ‘FACt ’ reinstates the factory

calibration and allows the application of a single

fixed offset.

Press

continued on the next page

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Set Offset 1

Use

to set the offset value of Process

Value 1 (PV1).

The offset value is in display units Press

Set Offset 2

Use

to set the offset value of

Process Value 2 (PV2), if configured.

The offset value is in display units.

Press

The table below shows the parameters which

appear after ‘OFS.2 ’. These are all read only

values and are for information. Press

through them.

to step

IP1 measured value (at terminals)

mV.1

mV.2

IP2 measured value (at terminals), if DC

input in Module 3 position

See table on

the right for

additional

IP1 Cold Junction Compensation

IP2 Cold Junction Compensation

IP1 Linearised Value

CJ C.1

CJ C.2

Li .1

IP2 Linearised Value

Li .2

parameters.

Shows the currently selected input

PV.SL

If you do not want to look at these parameters,

then press

and this returns you to the ‘i P-

Li St ’ header.

To protect the calibration against unauthorised

adjustment, return to Operator level and make

sure that the calibration parameters are hidden.

Parameters are hidden using the ‘Edit’ facility

described in Chapter 3, Access Levels

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Two-point calibration

The previous section described how to apply a offset, or trim, calibration, which applies a

fixed offset over the full display range of the controller. A two-point calibration is used

to calibrate the controller at two points and applies a straight line between them. Any

readings above, or below, the two calibration points will be an extension of this straight

line. For this reason it is best to calibrate with the two points as far apart as possible.

Offset introduced

Displayed Value

User Calibration

Factory Calibration

Calibration high-point value

High-point calibration

Low-point calibration

Calibration low-point value

Offset introduced

Proceed as follows:

1. Decide upon the low and high points at which you wish to calibrate.

2. Perform a two point calibration in the manner described below

Input list header

Press

until you reach the input list header, ‘i p Li St ’.

Press

until you reach the ‘CAL’ display.

Calibration type

x 3

FACt :

Factory Calibration

User Calibration

USEr :

Use

to select ‘USEr ’.

Selecting ‘USEr ’ enables two-point calibration.

[If two-point calibration is unsatisfactory, select ‘FACt ’ to

return to the factory set calibration.]

Press

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Select Low-point Calibration

This is the Calibration Status display. This display shows

that no input is selected for calibration.

n o n E:

i p 1 .L:

selected

i p 1 .H:

selected

i p 2 .L:

selected

i p 2 .H:

selected

No selection

Input 1 (PV1) calibration low-point

Input 1 (PV1) calibration high-point

Input 2 (PV2) calibration low-point

Input 2 (PV2) calibration high-point

Use

to select the parameter for the Low Calibration

point of Input 1, ‘i p 1 .L’.

Press

Adjust low-point calibration

This is the display for adjusting the Low Calibration point of

Input 1. The lower readout is a live reading of the process

value, which changes as the input changes.

Make sure that the calibration source is connected to the

terminals of Input 1, switched on and feeding a signal to the

controller. It should be set to the desired low-point

calibration value. If the lower readout does not show this

value, then use

value.

to adjust the reading to the required

Press

to return to the ‘i p - Li s t ’ header.

To perform the High-point Calibration, repeat the above

procedure, selecting ‘i p 1 .H’ in the ‘CAL.S’ display for

adjustment.

Press

three times.

Calibration type

‘USEr ’ was selected for the Low-point Calibration, and has

remained selected.

Press

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Select High-point Calibration

This is the Calibration Status display, again.

Use

to select the parameter for the High-point

Calibration of Input 1, ‘i p 1 .H’.

Press

Adjust High-point Calibration

This is the display for adjusting the High Calibration point of

Input 1. The lower readout is a live reading of the process

value, which changes as the input changes.

Feed the desired high-point calibration signal to the

controller, from the calibration source. If the lower readout

does not show this value, then use

reading to the required value.

to adjust the

Press

to return to the ‘i p - Li s t ’ header.

To protect the calibration against unauthorised adjustment

return to Operator level and make sure that the calibration

parameters are hidden. Parameters are hidden using the

‘Ed i t ’ facility described in Chapter 3.

To perform a User Calibration on Input 2, proceed as with

Input 1 above, except that when ‘CAL.S- n o n E’ appears,

press

until ‘CAL.S- i P2 .L’ is obtained, then

proceed as with Input 1. Repeat the procedure for ‘i P2 .H’

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Calibration points and Calibration offsets

If you wish to see the points at which the User calibration was performed and the

value of the offsets introduced, then these are shown in Configuration, in ‘CAL-

Co n f ’.

The parameters are:

Name

Parameter description

Meaning

Low calibration point for Input 1

The factory calibration point at which the

low point offset was performed.

p t 1 .L

High calibration point for Input 1

The factory calibration point at which the

high point offset was performed.

p t 1 .H

Offset Low for Input 1

Calculated offset, in display units.

OF1 .L

OF1 .H

p t 2 .L

Offset High for Input 1

Low calibration point for Input 2

The factory calibration point at which the

low point offset was performed.

High calibration point for Input 2

The factory calibration point at which the

high point offset was performed.

p t 2 .H

Offset Low for Input 2

Offset High for Input 2

Calculated offset, in display units.

OF2 .L

OF2 .H

Note:

The value of each of the parameters in the above table may

buttons.

also be altered by using the

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Parameter Table (Default)

Home list

Process Variable

Target Setpoint

Output power

Auto/Manual Mode

Reference Number

M-a

rEF

Probe List

Process Factor

Milivolt Offset

OFFS

H-CO Compensation

Probe Temperature

Probe Millivolts

Auxilliary Input

H-CO

Ptc

Pmv

Axin

Care List

Care

CArE

prt.r

tmin

VrF.r

Pti

imPH

Ptrt

bot

Measured Recovery Time

Temperature Minimum

Verification Test Result

Probe Test Interval

Maximum Impedance

Probe Test Recovery Time

Burn Off Time

Burn Off Recovery Time

Final Delay

Time Of Average 2

Probe Impedance Result

bort

FdE

tA2

imp.r

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User List

Number 1

Number 2

Number 3

Number 4

Number 5

Number 6

Number 7

Number 8

Number 9

Number 10

Number 11

Number 12

Number 13

Number 14

Number 15

n10

n11

n12

n13

n14

n15

Alarm List

Alarm 1 Setpoint

Alarm 2 Setpoint

Alarm 3 Setpoint

Alarm 4 Setpoint

Alarm 1 Hysteresis

Alarm 2 Hysteresis

Alarm 3 Hysteresis

Alarm 4 Hysteresis

Loop Break Time

1---

2---

3---

4---

HY1

HY2

HY3

HY4

Lbt

Enable Diagnostic Messages

diAG

Autotune List

Autotune Enable

Automatic manual Reset Calculation

tunE

Adc

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PID List

Gain Scheduler Setpoint

Current PID Set

G.SP

Set

Proportional Band PID1

Intergal Time PID1

Derivative Time PID1

Manual Reset

rES

Cutback High

Hcb

Cutback Low PID1

Lcb

Relative Cool Gain PID1

Proportional Band PID2

Intergal Time PID2

Derivative Time PID2

Manual Reset PID2

Cutback High PID2

Cutback Low PID2

Relative Cool Gain PID2

FeedForward Proportional Band

FeedForward Trim Limit

rEL.C

Pb2

ti2

td2

rES2

Hcb2

Lcb2

rEL2

FF.Pb

FF.du

Motor List

Valve Travel Time

Valve Inertia Time

Int

Valve Backlash Time

Minimum On Time

Valve Sensor Break Strategy

bAct

MP.t

U.br

Setpoint List

Setpoint Select

SSEL

Setpoint 1

SP1

Setpoint 2

Sp2

Setpoint 1 Low Limit

Setpoint 1 High Limit

Setpoint 2 Low Limit

Setpoint 2 High Limit

Local Setpoint trim

SPL

SPH

SP2L

SP2H

Hbty

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Input List

Filter 1

Filter 2

Filter 3

FiLt

FLt2

FLT3

CAL

CJC

Calibration

CJC Temperature

Output List

Low Power Limit

High Power Limit

Output Rate Limit

OP.Lo

OP.Hi

Oprr

Forced Output Power

Cycle time OP1

Hysteresis OP1

OP1 Minimum On Time

Cycle time OP2

Hysteresis OP1

FOP

CYC.1

hYS.1

ont.1

CYC.2

hYS.2

ont.2

OP2 Minimum On time

Deadband

Sensor Break Output Power

Sb.OP

Addr

Comms List

Comms Address

Info List

Custom Display Type

SPC Minimum PV

SPC Maximum PV

SPC Mean PV

SPC Time above TIME Trigger

PV Threshold for Timer Log

SPC Reset

diSP

LoG.L

Log.H

LoG.A

LoG.t

LoG

rES

Control task execution

time high water mark

Working Output

Feedforward Output

Proportional Output

Intergral Output

mCt

w.OP

FF.OP

Pop

IOP

Derivative Output

dOP

Continued on next page…..

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Configuration Mode Parameters

Inst Conf

Function: O2, %C, Dewpoint, Redox

Zr.Fn

tYPE

Control Type

Instrument type: Monitor/Controller

Control Action

CtrL

Act

Control Time Units

Manual Key Enable

dtYP

Feedforward Type

Bumpless PD Control

Sensor Break Action

Forced Manual Availability

BCD Input Function

Gain Scheduling

ti.td

m-A

dtYP

Fwd.t

Pd.tr

Sbr.t

FOP

bcd

Gsch

PV Conf

Instrument Units

Display Resolution

Exponent

unit

dEc.P

ExP

Setpoint Minimum

Setpoint maximum

rnG.L

rnG.H

IP Conf

Linearisation type

CJC Type

Sensor break Impedance

inPt

CJC

imP

SP Conf

Number of Setpoints

Remote Tracking Configuration

manual track Configuration

SRL rate units

nSP

rm.tr

m.tr

rmP.U

Remote Setpoint Configuration

Continued on next page…..

rmt

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Alarm Conf

Alarm 1 Type

AL1

Ltch

bLoc

AL2

Ltch

bLoc

AL3

Ltch

bLoc

AL4

Ltch

bLoc

Alarm 1 Latch

Alarm 1 Block

Alarm 2 Type

Alarm 2 Latch

Alarm 2 Block

Alarm 3 Type

Alarm 3 Latch

Alarm 3 Block

Alarm 4 Type

Alarm 4 Latch

Alarm 4 Block

LA/B Conf

Logic Input A Ident

Logic Input A Slot Function

Logic Input B Ident

Func

Logic Input B Slot Function

Func

Module AA Conf

Fixed Module AA Ident

Fixed Module AA Slot Function

Summary OP AA invert

Summary OP AA Conf

Func

Sens

Module H Conf

Interface Module H Ident

Interface Module H Slot Function

Baud Rate

Func

bAud

Comms Parity

Prty

Comms Resolution

Comms Delay

rES

dELY

Module 1A Conf

Module 1A Ident

Module 1A Slot Function

Module 1A Low Value

Module 1A High Value

Output 1A units

Func

VAL.L

VAL.H

unit

Module 1A Low Output Range

Module 1A High Output Range

Continued on next page…..

Out.L

Out.H

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Module 2A Conf

Module 2A Ident

Module 2A Slot Function

Module 2A Low Value

Module 2A High Value

Output 2A units

Func

VAL.L

VAL.H

unit

Module 2A Low Output Range

Module 2A High Output Range

Out.L

Out.H

Module 3A Conf

Module 3A Ident

Module 3A Slot Function

Module 3A Input Type

Func

inPt

Module 3A Sensor break Impedance

Module 3A Input Value Low

Module 3A Input Value High

Module 3A Displayed Value Low

Module 3A Displayed Value High

iMP

inP.L

inP.H

VAL.L

VAL.H

Module 4A Conf

Module 4A Ident

Module 4A Slot Function

Summary OP 4A Invert

Summary OP 4A configuration

Func

SEnS

Module 4C Conf

Module 4C Ident

Module 4C Slot Function

Summary OP 4C Invert

Summary OP 4C configuration

Func

SEnS

Module 5A Conf

Module 5A Ident

Module 5A Slot Function

Summary OP 5A Invert

Summary OP 5A configuration

Func

SEnS

Module 5C Conf

Module 5C Ident

Module 5C Slot Function

Summary OP 5C Invert

Summary OP 5C configuration

Continued on next page…..

Func

SEnS

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Module 6A Conf

Module 6A Ident

Module 6A Slot Function

Func

Module 6A Input Type

inPt

Module 6A Sensor break Impedance

Module 6A Input Value Low

Module 6A Input Value High

Module 6A Displayed Value Low

Module 6A Displayed Value High

iMP

inP.L

inP.H

VAL.L

VAL.H

CUST Conf

Input 1

Value 1

Input 2

Value 2

Input 3

Value 3

Input 4

Value 4

Input 5

Value 5

Input 6

Value 6

Input 7

Value 7

Input 8

Value 8

in 1

VAL.1

in 2

VAL.2

in 3

VAL.3

in 4

VAL.4

in 5

VAL.5

in 6

VAL.6

in 7

VAL.7

in 8

VAL.8

CAL Conf

PASS Conf

Access Mode User Password

Configuration Mode User Password

Continued on next page…..

ACC.P

cnF.P

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Special Parameters

ABC Constant Transfer

A Constant low 16 bits

A Constant high 16 bits

B Constant low 16 bits

B Constant high 16 bits

C Constant low 16 bits

C Constant high 16 bits

Transfer Location, 0 - 15

Transfer Action; 81=write, 82=read

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INDEX

ACCESS LEVELS .......................................................................................... 46

Adaptive tune.......................................................................................38, 54, 73

Adjust low-point calibration..................................................................... 89

Adjusting the minimum on-time...................................................................... 59

Alarm types..........................................................................................37, 43, 72

Alarms ............................................................................... 22, 25, 43, 62, 65, 66

Automatic mode..................................................................................22, 26, 27

Backlash......................................................................................................... 59

Blocking....................................................................................................43, 72

CALIBRATING THE POSITION FEEDBACK POTENTIOMETER .................................. 59

Changing the passwords.................................................................................. 64

COMMISSIONING THE MOTORISED VALVE CONTROLLER..................................... 59

Comms .................................................................................... 34, 41, 66, 75, 79

Communication..........................................................................8, 19, 30, 41, 62

Configuration level..................................................44, 46, 47, 48, 61, 63, 64, 83

Configuration password........................................................................42, 48, 63

Diagnostic alarms .........................................................................37, 43, 44, 45

Gain scheduling .............................................................................................. 61

Home...................................25, 27, 28, 29, 30, 32, 36, 41, 43, 47, 49, 50, 53, 64

Inertia ............................................................................................................ 59

Inertia and backlash settings............................................................................ 59

Input list header .............................................................................................. 88

Installation ...................................................................................................... 12

Latching....................................................................................................43, 72

Level selection................................................................................................. 48

Manual mode .................................................................... 22, 26, 36, 60, 69, 73

Navigation....................................................................................................... 65

Non-latching................................................................................................... 43

offset calibration.............................................................................................. 86

PARAMETERS............................................................................................... 30

Password entry ...........................................................................................47, 63

Process alarms................................................................................................. 43

Promoting a parameter .................................................................................... 50

SAFETY and EMC INFORMATION................................................................ 4

Select Low-point Calibration.................................................................... 89

SELECTING A CONFIGURATION PARAMETER .................................... 64

Setpoint ....... 17, 24, 25, 27, 29, 30, 33, 36, 37, 40, 62, 65, 69, 71, 72, 73, 78, 79

Snubbers.......................................................................................................... 16

Technical Specification ..................................................................................... 8

TUNING ..............................................................................................52, 53, 55

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Two-point calibration.................................................................................... 88

User calibration............................................................................................... 84

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