ComAp IM-NT-BTB Manual

Copyright © 2018 ComAp s.r.o.
Written by Zdeněk Liberda
Prague, Czech Republic
ComAp, spol. s r.o.
U Uranie 1612/14a, 180 00 Praha 7, Czech Republic
Tel: [phone], Fax: [phone]
E-mail: [e-mail], www.comap-control.com
Operator Guide
Compact Controller for Stand-by and Parallel Operating Gen-sets
Inteli New Technology
Mains Supervision Controller
IM-NT-BTB, MCB, MGCB Operator Guide
IM-NT
January 2018

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Table of Contents
Controller System Description............................................................................................................. 3
Available Documentation......................................................................................................................... 4
IM-NT General Manuals...................................................................................................................... 4
IM-NT Application Manuals................................................................................................................. 4
Inteli Troubleshooting Manuals........................................................................................................... 4
Inteli NT PC Tools Manuals ................................................................................................................ 4
Inteli Communication Manuals............................................................................................................ 5
Dangerous Voltage ............................................................................................................................. 6
Adjust Set Points................................................................................................................................. 6
Adjust set points.................................................................................................................................. 6
BTB Operator Interface ........................................................................................................................... 8
BTB Pushbuttons and LEDs ............................................................................................................... 8
BTB Measurement Screens Description........................................................................................... 13
BTB Mode and Function Description ................................................................................................ 15
MGCB Operator Interface...................................................................................................................... 18
MGCB Pushbuttons and LEDs.......................................................................................................... 18
MGCB Measurement Screens Description....................................................................................... 23
MCB Operator Interface ........................................................................................................................ 28
MCB Pushbuttons and LEDs ............................................................................................................ 28
MCB Measurement Screens Description.......................................................................................... 33
MCB/MGCB Mode and Function Description ................................................................................... 36
List of Abbreviations .............................................................................................................................. 40

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General Guidelines
This manual provides general information on how to operate the InteliMains NT controllers and it is
intended for everybody who is concerned with operation and maintenance of the controller.
Controller System Description
IM-NT controller is comprehensive mains supervision controller for multiple generating sets operating
in parallel to the Mains. The controller automatically connects the group of gen-sets to the Mains.
A modular construction allow upgrades to different levels of complexity in order to provide the best
solution for various customer applications.
The key feature of the controller is its easy-to-use operation and installation. Predefined configurations
for typical applications are available as well as user-defined configurations for special applications.
Default Applications
For the IM-NT controller there are three default applications: BTB, MCB, MGCB.
BTB
Bus-Tie Breaker application
MCB
Mains Circuit Breaker and application
MGCB
Master Generator Circuit Breaker application
BTB application
- Controller is between two groups of gen-sets (buses)
- Controls only Bust-tie Breaker (BTB)
- Enables reverse synchronization of one group to another
MCB application
- Controller is between bus (group of gen-sets) and the Mains
- Controls only one Mains Circuit Breaker (MCB)
- Enables reverse synchronization of the gen-sets to the Mains
MGCB application
- Controller is between bus (group of gen-sets) and the Mains
- Controls Mains Circuit Breaker (MCB) and MGCB (Master Generator Circuit Breaker)
- Enables reverse synchronization of the gen-sets to the Mains (over MCB)
- Enables forward synchronization of the gen-sets (over MGCB)

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Available Documentation
IM-NT General Manuals
IG/IS-NT Installation Guide.pdf
IG/IS-NT Application Guide.pdf
IM-NT Application Manuals
For each application the appropriate manual is available:
IM-NT-BTB Reference Guide.pdf
IM-NT-MCB-MGCB Reference Guide.pdf
These manuals include these chapters:
•Functions
•Protections and Alarm management
•Controller operation states
•Inputs and Outputs
•Setpoints
•Controller configuration and monitoring
Inteli Troubleshooting Manuals
IGS-NT Troubleshooting Guide.pdf
Includes description of possible troubles during configuration, adjustment and operation of the
controller.
Consists of two parts:
•List of troubles and their solution
•“How to” section with recommended procedures in some typical situations
Inteli NT PC Tools Manuals
InteliMonitor.pdf
This manual describes InteliMonitor monitoring PC tool in the following chapters:
•Connection to the controller (Direct, Modem, Internet)
•InteliDDE Server
•Menus description
•Password and access code
GenConfig.pdf
This manual describes GenConfig configuration PC tool in the following chapters:
•Connection to the controller (Direct, Modem, Internet)
•InteliDDE Server
•Menus description
•Controller Configuration Steps (Modules, I/O, Setpoints, Protections, History, User
Sensors, Language Translator, PLC Functions, LBI, LAI, Power Formats)

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Inteli Communication Manuals
InteliCommunicationGuide.pdf
This manual covers communication topics regarding all types of our controllers. It applies to
communication between the controller and superior service or monitoring system but not to
communication among the controllers or between the controller and it’s peripherals (extension
modules, ECU).
It is divided into the following chapters:
•Local connection
•Remote connection
•Modem connection
•Internet connection
•Active call, active SMS, active email
•Modbus connection
•I-LB, IG-IB communication units
•Modem recommendations
•Recommended converters

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ConformityDeclaration
Following described machine complies with the appropriate basic safety and health
requirement of the EC Low Voltage Directive No: 73/23 / EEC and EC
Electromagnetic Compatibility Directive 89/336 / EEC based on its design and type,
as brought into circulation by us.
WARNING –VERY IMPORTANT!!!
For BTB
Every time you want to disconnect the following InteliMains controller
terminals:
•Bus voltage measuring and / or
•Binary outputs for BTB control and / or
•BTB feedback
switch InteliMains to MAN mode!
For MCB/MGCB
Every time you want to disconnect the following InteliMains controller
terminals:
•Mains voltage measuring and / or
•Binary outputs for MCB control and / or
•MCB feedback
switch InteliMains to MAN mode!
!!! CAUTION !!!
Dangerous Voltage
In no case touch the terminals for voltage and current measurement!
Always properly connect grounding terminals!
Take care when disconnecting In/Im3 terminals when the gen-set is stopped.
For safety connect parallel to controller In/Im3 terminals two anti parallel diodes 10A/100V.
In any case do not disconnect generator CT terminals when the gen-set is loaded.
Adjust Set Points
All setpoints are preadjusted to their typical values. But the setpoints in the “Basic settings”
settings group !!must!! be adjusted before the first startup of the gen-set.
!!! WRONG ADJUSTMENT OF BASIC PARAMETERS
CAN DESTROY THE GEN-SET !!!
The following instructions are for qualified personnel only.
To avoid personal injury do not perform any action not specified in this manual !!!
Adjust set points
All parameters are preadjusted to their typical values. But the set points in the “Basic settings”
settings group !!must!! be adjusted before the first startup of the gen-set.
!!! WRONG ADJUSTMENT OF BASIC PARAMETERS
CAN DESTROY THE GEN-SET !!!
The following instructions are for qualified personnel only.

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Note:
ComAp believes that all information provided herein is correct and reliable and reserves the right to
update at any time. ComAp does not assume any responsibility for its use unless otherwise expressly
undertaken.

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BTB Operator Interface
BTB Pushbuttons and LEDs
Pushbuttons:
1. MODECycles forward through controller operation modes OFFMANAUT
2. MODE Cycles backward through controller operat. modes OFFMANAUT
3. HORN RESET Deactivates the HORN (AUDIBLE ALARM)
4. FAULT RESET Acknowledges faults and alarms
5. START not used
6. STOP not used
7. BTB ON/OFF Opens and closes (synchronizes) BTB in MAN mode
8. ESC
Where
Function
Measurement screens,
Alarm list, History
screen,
Users/Passwords
Go to Menu screen
Setpoints screen
Go to Menu screen; within setpoint group, go to
group list
Setpoint edit
Leave setpoint edit without changes
Language screen
Language screen exit (to menu) without save
9. Selects the setpoint, selects the screen, selects history record or increases
a setpoint value
10. Selects the setpoint, selects the screen, selects the history record or
decreases the setpoint value
11. Moves the history record displayed columns to the right, 5% increases the
9
10
8
12
11
14
7
15
18
13
16
3
6
5
17
1
4
2

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edited setpoint’s value (step given by the setpoint range), goes back from
Alarm list
12. Moves the history record displayed columns to the left, 5% decreases the
edited setpoint’s value (step given by the setpoint range), view Alarm list from
measurement screens
13. ENTER
Where
Function
Menu screen
Goes to the selected display group
(Measurement CU, Measurement IO, …)
Setpoints screen
Goes to selected setpoint group
Setpoint edit
Starts setpoint edit / save changes
History screen
Goes to the first column of the first history record
Language screen
Language screen, exit (to menu) and save
selection
Pushbuttons’ Combinations
The following table determines controller functions when , , , , ENTER and PAGE buttons’
combination is pressed:
Where
Pushbutton
combination
Function
Measurement screens
ENTER + 
ENTER + 
Contrast increase
Contrast decrease
Info screen
ENTER + 
ENTER + 
Backlight increase
Backlight decrease
LEDs
14. GEN-SET FAILURE: RED LED starts flashing when any failure occurs. After FAULT RESET
button is pressed, it goes to steady light (if an alarm is still active) or is off (if no alarm is
active).
15. LEFT BUS VOLTAGE: GREEN LED is on, if left bus voltage is present and within limits.
16. RIGHT BUS VOLTAGE: GREEN LED is on, if right bus voltage is present and within limits.
17. GEN-SET FAILURE: RED LED starts flashing when any failure occurs. After FAULT RESET
button is pressed, goes to steady light (if an alarm is still active) or is off (if no alarm is active).
18. BTB ON: GREEN LED is on, if BTB feedback is active. Flashes during synchronizing.
How to Select a Controller Mode?
Use MODEor MODE to select the requested controller operation mode OFF –MAN –AUT. It is
not possible to go directly from OFF to AUT.
Screens
There are several screens available:
1. ALARMLIST
2. MEASUREMENT CU
3. MEASUREMENT IO
4. SETPOINTS
5. HISTORY
6. SETPOINTS
7. USERS/PASSWORD
8. LANGUAGE.
Each menu consists of several screens. By pressing the ESC button (repeatedly when necessary) the
menu screen is displayed.

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How to View the Alarm List?
1. Select the ALARMLIST menu item.
2. Press ENTER or press in measurements’ screens to go directly to the Alarm list.
How to View Measured Data?
1. Select the MEASUREMENT CU menu item and press ENTER.
2. Use and to select the screen with requested data.
How to View IO Values?
1. Select the MEASUREMENT IO menu item and press ENTER.
2. Use and to select the screen with requested data.
How to View the History Menu?
1. Select HISTORY menu item and press ENTER.
2. Use or to select a requested record.
3. Use or to cycle forward/backward through columns of the record.
How to View and Edit Setpoints?
1. Select SETPOINTS menu item and press ENTER.
2. Use or to select requested setpoints group.
3. Press ENTER to confirm.
4. Use or to select requested setpoint.
5. Setpoints marked are password protected.
6. Press ENTER to edit.
7. Use or to modify the setpoint. When or is pressed for 2 sec, auto repeat function and
speedup is activated. Use or to change the setpoint value by 5% of it’s range.
8. Press ENTER to confirm or ESC to leave without change.
9. Press ESC to leave selected setpoints group.
How to Change the Password?
1. Select USERS/PASSWORD menu item and press ENTER.
2. Use or to select User.
3. Press ENTER to confirm.
4. Select ChangePassword and press ENTER.
5. Use or or or to set new password.
6. Press ENTER to confirm password.
How to Set the Language?
1. Select the LANGUAGE menu item (if not already selected) and press ENTER.
2. Use or to select a requested Language.
3. Press ENTER to confirm.
Hint:
If binary inputs Lang sel int A,B,C (for IG-NT/EE internal display) or Lang sel #2 A,B,C (for IG-Display)
are used, it is not possible to change languages from Language screen.
Language
0
1
2
3
4
5
6
7
Lang sel xxx A
0
1
0
1
0
1
0
1
Lang sel xxx B
0
0
1
1
0
0
1
1
Lang sel xxx C
0
0
0
0
1
1
1
1
How to Change the Display Contrast?
Press and hold ENTER and use or to adjust the best display contrast.

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Hint:
Available from the MEASUREMENT screens only.
How to Check the Serial Number and the Software Revision?
Hold down ENTER and press ESC. On the display you can see the controller INFO screen for 10
seconds.
IM-NT-BTB
Controller INFO screen contains:
1. Controller name (see Basic settings group)
2. Firmware and release date
3. Controller serial number (8 character
number)
4. Application:BTB
Using you can view the INFO2 screen which
contains:
5. DispCTRL: Display Software Version
6. IDch: ID string
7. Dngl: connected dongle
8. Serial number: Controller Serial Number
9. Pwd.dec.: Password Decode Number
Hint:
Available from the MEASUREMENT screens only.
How to View Codepages?
Press button when you are in Info screen to see codapeges.
How to Change the Display Backlight Intensity?
1. Hold down ENTER and then press ESC. On the display you can see Controller INFO screen
for 10 seconds.
2. Press and hold ENTER when in INFO screen and use or to adjust the best display
backlight.
Backlight intensity is set for one of the two modes, depending on the activity of configurable binary
input Alt brightness (IG-NT/EE and modifications). For IG-Display modules, this binary input is located
in the Power connector and it’s function is fixed (not configurable).
Hint:
Backlight intensity change is available from the MEASUREMENT screens only.
How to Find Active Alarms?
1. Select Alarmlist menu item and press ENTER or press in MEASUREMENT IO or in
MEASUREMENT CU menu.
Inverted alarms are still active. Non-inverted alarms are not active, but not yet confirmed.
2. Press FAULT RESET to accept all alarms.
The asterix mark disappears when an alarm is accepted by FAULT RESET. Non-active
alarms immediately disappear from the list. Active alarm list appears on the screen
automatically when a new alarm comes up and the Main MEASUREMENT screen was
selected.
Hint:
Alarm list does not activate automatically if the display is switched to any other screen than the first
one of MEASUREMENT (typically the screen that shows menu selector). The automatic jump to the
alarm list screen will not occur if you are listing through the measured values, set points or history!
If setpoint Engine protect:ResetActAlarms is set to DISABLED, only inactive alarms can be reset.
If an active alarm is present in the alarm list, controller display blinks every 30 seconds.

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When to Use BTB ON/OFF Button?
The button is disabled in AUT mode.
In MAN mode it is enabled, but before closing the circuit breaker, bus voltage and frequency must be
within limits. The controller has internal protection to avoid the breaker closure without synchronizing.
The controller recognizes automatically:
•if there is bus voltage and the gen-set(s) shall be synchronized before closing the BTB
•or if there is no voltage on the bus and the BTB can be closed without synchronizing.
Use this button in MAN mode to close or open the BTB. Be careful while doing this, because you
can disconnect the load from the Mains/gen-set(s)!!!

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BTB Measurement Screens Description
Measurement CU Screen
1. Dead bus
2. Left bus voltage ph-n
3. Left bus voltage ph-ph
4. Right bus voltage ph-n
5. Right bus voltage ph-ph
6. Synchronization enable
7. Import power
8. Bus left power factor
1. Operation mode of the gen-set
2. Signalizes if any remote
connection to controller is active
3. Indication of active alarm
4. Application status
5. Timer –event’s counting time
(e.g. syncronization timeout)
6. Time of timer
7. BusLImport
OFF MAN AUT
BTB on
R !
0 kW
No Timer
0
1
2
3
4
5
6
7
0 V 228 V
0 V 0 V
0kW
0.00
D
R
1
2
3
4
5
6
8
7

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Bus left (frequency, voltage):
BusL freq –frequency of left bus
BL-Ph-N –left bus voltage phase to neutral
BL-Ph-Ph –left bus voltage phase to phase
Bus right (frequency, voltage):
BusR freq –frequency of right bus
BR-Ph-N –right bus voltage phase to neutral
BR-Ph-Ph –right bus voltage phase to phase
Bus left (current, power, PF):
BusLImport –bus left import power
BusL PF –bus left power factor
BusL Q –bus left reactive power
BTB-curr –BTB current
BusL A –bus left apparent power
Statistics:
BL kWh –kWhours from left to right bus
BR kWh –kWhours from right to left bus
BL kVAhr –kVAhours from left to right bus
BR kVAhr –kVAhours from right to left bus
Time
Date
PulseCounter 1
PulseCounter 2
PulseCounter 3
PulseCounter 4
TimerAct1-4
TimerAct5-8
TimerAct9-12
TimerAct13-16
Synchroscope:
Legend:
VbR = Right bus voltage
VbL = Left bus voltage
LSO = Load Sharing Output (regulation
outputs)
VSO = Var Sharing Output (regulation
outputs)
Reg16 (region with up to 16 controllers)
Reg32 (region with up to 32 controllers)
VbR 228 V
VbL 0 V
LSO 0.00%
VSO 0.00%
Bus Slip freq - 49.97Hz

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Measurement IO Screen
Assignment of various functions to inputs and outputs depends on configuration. In the table below
you can see default configuration.
BIN
BTB feedback
not used
BTB disable
Load res 2
AccessLock int
Remote OFF
NT-BIN 7
NT-BIN 8
NT-BIN 9
NT-BIN 10
NT-BIN 11
NT-BIN 12
BOUT
BTB close/open
not used
BusL params OK
BusR params OK
Alarm
Horn
NT-BOUT7
NT-BOUT8
NT-BOUT9
NT-BOUT10
NT-BOUT11
NT-BOUT12
More information about binary inputs, setpoints and I/O modules you can find in IM-NT Reference
Guide.
BTB Mode and Function Description
There are three operation modes: OFF –MAN –AUT in BTB application.
To select the mode use MODEor MODE buttons.
OFF Mode
All regulations are switched off.
Switching to OFF mode causes opening of BTB regardless of the settings.
MAN Mode
It is possible to close/open BTB manually under supervision of IM-NT controller which doesn’t allow to
close the breaker if the bus voltages are not in phase.
Pressing BTB ON/OFF button closes/opens BTB if it is allowed by
•setpoints ProcessControl:Synchro enable, Mains coupling, DeadBusClosing
•binary input BTB disable
AUT Mode
The controller closes automatically BTB if
•bus voltages are within the limits (Sync ctrl:Phase window, Voltage window)

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•there is voltage on one of the buses and closing to dead bus is enabled by
ProcessControl:DeadBusClosing
•binary input BTB disable is not closed
•it is enabled by setting of ProcessControl:Synchro enable, Mains coupling setpoints
Hint:
It is not possible to close BTB in MAN and AUT mode if there is no voltage on both buses. If voltage
on both left and right bus disappears, the BTB is automatically opened.
After the BTB is closed, IM-NT-BTB deactivates all regulation loops that are taken over by the IM-NT-
M(G)CB.

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MGCB Operator Interface
MGCB Pushbuttons and LEDs
Pushbuttons:
1. MODECycles forward through controller operation modes
OFFMANAUTTEST
2. MODE Cycles backward through controller operation modes
OFFMANAUTTEST
3. HORN RESET Deactivates the HORN (AUDIBLE ALARM)
4. FAULT RESET Acknowledges faults and alarms
5. START Opens binary output Sys start/stop (causes start of the gen-set group)
6. STOP Closes binary output Sys start/stop (causes stop of the gen-set group)
7. MCB ON/OFF Opens and closes (synchronizes) the Mains circuit breaker in MAN
Mode
8. MGCB ON/OFF Opens and closes (synchronizes) the MGCB in MAN Mode
9. ESC
Where
Function
Measurement screens,
Alarm list, History
screen,
Users/Passwords
Go to Menu screen
Setpoints screen
Go to Menu screen; within setpoint group, go to
group list
Setpoint edit
Leave setpoint edit without changes
Language screen
Language screen exit (to menu) without save
11
9
13
12
16
15
20
14
18
3
21
2
1
4
7
17
5
6
10
8
19

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10. Selects the setpoint, selects the screen, selects history record or increases
a setpoint value
11. Selects the setpoint, selects the screen, selects the history record or
decreases the setpoint value
12. Moves the history record displayed columns to the right, 5% increases the
edited setpoint’s value (step given by the setpoint range), goes back from
Alarm list
13. Moves the history record displayed columns to the left, 5% decreases the
edited setpoint’s value (step given by the setpoint range), view Alarm list from
measurement screens
14. ENTER
Where
Function
Menu screen
Goes to the selected display group
(Measurement CU, Measurement IO, etc.)
Setpoints screen
Goes to selected setpoint group
Setpoint edit
Starts setpoint edit / save changes
History screen
Goes to the first column of the first history record
Language screen
Language screen, exit (to menu) and save
selection
Pushbuttons’ Combinations
The following table determines controller functions when , , , , ENTER and PAGE buttons’
combination is pressed:
Where
Pushbutton
combination
Function
Measurement screens
ENTER + 
ENTER + 
Contrast increase
Contrast decrease
Info screen
ENTER + 
ENTER + 
Backlight increase
Backlight decrease
LEDs
15. MAINS VOLTAGE: GREEN LED is on, if voltage on the mains terminals is present.
16. MAINS FAILURE: RED LED starts flashing when the mains failure occurs and gen-set
does not run, goes to steady light when the gen-set starts and goes off when the mains
restores.
17. BUS VOLTAGE: GREEN LED is on, if bus voltage is present and within limits.
18. GEN-SET FAILURE: RED LED starts flashing when any failure occurs. After FAULT
RESET button is pressed, goes to steady light (if an alarm is still active) or is off (if no
alarm is active).
19. MGCB ON: GREEN LED is on, if MGCB feedback is active. Flashes during forward
synchronizing.
20. MCB ON: GREEN LED is on, if MCB feedback is active. Flashes during reverse
synchronizing (synchronizing of the loaded gen-set back to the restored mains).
21. LOAD –GREEN LED is on, if bus voltage is present.
How to Select a Gen-set Mode?
Use MODEor MODE to select the requested gen-set operation mode OFF –MAN –AUT –
TEST. It is not possible to go directly from OFF to TEST.
Screens
There are several screens available:
1. ALARMLIST
2. MEASUREMENT CU
3. MEASUREMENT IO

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4. HISTORY
5. SETPOINTS
6. USERS/PASSWORD
7. LANGUAGES
Each menu consists of several screens. By pressing the ESC button (repeatedly when necessary) the
menu screen is displayed.
How to View the Alarm List?
1. Select the ALARMLIST menu item.
2. Press ENTER or press in measurements’ screens to go directly to the Alarm list.
How to View Measured Data?
1. Select the MEASUREMENT CU menu item and press ENTER.
2. Use and to select the screen with requested data.
How to View IO Values?
1. Select the MEASUREMENT IO menu item and press ENTER.
2. Use and to select the screen with requested data.
How to View the History Menu?
1. Select HISTORY menu item and press ENTER.
2. Use or to select a requested record.
3. Use or to cycle forward/backward through columns of the record.
How to View and Edit Setpoints?
1. Select SETPOINTS menu item and press ENTER.
2. Use or to select requested setpoints group.
3. Press ENTER to confirm.
4. Use or to select requested setpoint.
5. Setpoints marked are password protected.
6. Press ENTER to edit.
7. Use or to modify the setpoint. When or is pressed for 2 sec, auto repeat function and
speedup is activated. Use or to change the setpoint value by 5% of it’s range.
8. Press ENTER to confirm or ESC to leave without change.
9. Press ESC to leave selected setpoints group.
How to Change the Password?
1. Select USERS/PASSWORD menu item and press ENTER.
2. Use or to select User.
3. Press ENTER to confirm.
4. Select ChangePassword and press ENTER.
5. Use or or or to set new password.
6. Press ENTER to confirm password.
How to Set the Language?
1. Select the LANGUAGE menu item (if not already selected) and press ENTER.
2. Use or to select a requested Language.
3. Press ENTER to confirm.
Hint:
If binary inputs Lang sel int A,B,C (for IG-NT/EE internal display) or Lang sel #2 A,B,C (for IG-Display)
are used, it is not possible to change languages from Language screen.
Language
0
1
2
3
4
5
6
7