ComAp InteliATS PWR Reference Manual
Copyright © 2016 ComAp a.s.
Written by Michal Slavata
Prague, Czech Republic
comAp a.s., Kundratka 2359/17,
180 00 Praha 8, Czech Republic
Tel: +420 246 0124 111, Fax: +420 266 316 647
E-mail: info@comap.cz, www.comap.cz
Reference guide
InteliATSNT PWR
SW version 2.5
Automatic Transfer
Switch Controller
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Table of Contents
Table of Contents .................................................................................................................................... 1
Document information ............................................................................................................................. 4
Clarification of notation ........................................................................................................................ 4
Text ..................................................................................................................................................... 4
Conformity Declaration ........................................................................................................................ 4
General Guidelines .................................................................................................................................. 5
What is in this manual? ....................................................................................................................... 5
Description ............................................................................................................................................... 7
Description of the controller system .................................................................................................... 7
Configurability...................................................................................................................................... 9
What is in the package? ...................................................................................................................... 9
IL-NT RS232 Communication module .............................................................................................. 10
IL-NT RS232-485 Communication module ....................................................................................... 13
IL-NT S-USB Service USB communication module.......................................................................... 14
IL-NT RD Remote display software................................................................................................... 15
IB-Lite Communication module ......................................................................................................... 15
IL-NT-GPRS GSM and GPRS plug-in modem ................................................................................. 19
IL-NT AOUT8 Gauge driver module.................................................................................................. 20
IL-NT BIO8 Hybrid binary input/output module ................................................................................. 21
InternetBridge-NT .............................................................................................................................. 22
Programming of IA-NT controller ...................................................................................................... 23
User Interface ........................................................................................................................................ 24
Terminals ............................................................................................................................................... 25
IA-NT PWR terminals and face ......................................................................................................... 25
Installation.............................................................................................................................................. 26
Mounting ............................................................................................................................................ 26
Dimensions ........................................................................................................................................ 27
Recommended Wiring ........................................................................................................................... 28
IA-NT PWR – Wiring Diagram ........................................................................................................... 28
Applications ........................................................................................................................................... 29
AMF using two separate breakers with feedbacks (MCB and GCB) ................................................ 29
AMF using two separate breakers with feedbacks (MCB and GCB) + Test on Load ....................... 30
AMF using two-position ATS with feedback ...................................................................................... 31
Getting Started ...................................................................................................................................... 35
How to install ..................................................................................................................................... 35
Current measurement ....................................................................................................................... 37
CT location ........................................................................................................................................ 38
Voltage measurement and generator connection types ................................................................... 38
RS485 connection ............................................................................................................................. 42
Inputs and Outputs ................................................................................................................................ 44
Binary inputs IA-NT - default ............................................................................................................. 45
Binary inputs – list ............................................................................................................................. 45
Binary outputs IA-NT - default ........................................................................................................... 48
Binary outputs - list ............................................................................................................................ 48
Setpoints ................................................................................................................................................ 54
Password ........................................................................................................................................... 54
Basic Settings.................................................................................................................................... 54
Comms Settings ................................................................................................................................ 61
Engine Params .................................................................................................................................. 64
Gener Protect .................................................................................................................................... 67
AMF Settings ..................................................................................................................................... 69
Sync Ctrl ............................................................................................................................................ 73
Date/Time .......................................................................................................................................... 74
SMS/E-Mail ....................................................................................................................................... 75
Function Description .............................................................................................................................. 77
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Operating modes ............................................................................................................................... 77
Circuit breakers timing ...................................................................................................................... 80
Alarm Management ............................................................................................................................... 82
Warning (WRN) ................................................................................................................................. 82
Trip (TRP) .......................................................................................................................................... 82
Mains failure (MF) ............................................................................................................................. 82
AMF time chart – genset OK ............................................................................................................. 83
AMF time chart – genset not started properly ................................................................................... 83
Voltage phase sequence detection ................................................................................................... 84
Gen-set Operation States ...................................................................................................................... 85
List of possible events ....................................................................................................................... 85
History file .......................................................................................................................................... 86
Init Screens ............................................................................................................................................ 88
Customer Logo screen ...................................................................................................................... 88
Firmware Init screen .......................................................................................................................... 88
Language screen .............................................................................................................................. 88
User Interface screen ........................................................................................................................ 88
Remote Control and Data Logging ........................................................................................................ 89
PC software – LiteEdit ....................................................................................................................... 89
Direct cable connection ..................................................................................................................... 89
Modem connection ............................................................................................................................ 90
Internet connection ............................................................................................................................ 91
IB-Lite ................................................................................................................................................ 92
IL-NT-GPRS ...................................................................................................................................... 93
AirGate .............................................................................................................................................. 96
Locate ................................................................................................................................................ 96
Modbus protocol ................................................................................................................................ 97
IL-NT-RD Remote display software ..................................................................................................... 102
General description ......................................................................................................................... 102
Warning! .......................................................................................................................................... 102
IL-NT-RD Software installation ........................................................................................................ 102
IL-NT-RD Wiring .............................................................................................................................. 103
Function description ........................................................................................................................ 105
SW compatibility .............................................................................................................................. 105
Maintenance ........................................................................................................................................ 106
Backup battery replacement ........................................................................................................... 106
Technical Data ..................................................................................................................................... 108
Inputs/Outputs overview .................................................................................................................. 108
Power supply ................................................................................................................................... 108
Operating conditions ....................................................................................................................... 108
Dimensions and weight ................................................................................................................... 108
Mains and generator ....................................................................................................................... 109
Binary inputs and outputs ................................................................................................................ 109
IL-NT RS232 interface (optional card) ............................................................................................ 109
IL-NT RS232-485 interface (optional card) ..................................................................................... 110
IL-NT S-USB interface (optional card) ............................................................................................ 110
IB-Lite interface (optional card) ....................................................................................................... 110
IL-NT-GPRS interface (optional card) ............................................................................................. 110
IL-NT AOUT8 interface (optional card) ........................................................................................... 110
IL-NT BIO8 extension module (optional card) ................................................................................. 111
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Document information
DOCUMENT HISTORY
REVISION NUMBER
RELATED SW. VERSION
DATE
1
1.0
22.02.2009
2
1.0.1
24.03.2009
3
1.2
09.01.2010
4
2.0
09.06.2010
5
2.4
30.04.2015
6
2.5
08.02.2016
7
2.5
12.01.2017
Clarification of notation
HINT:
This type of paragraph points out details to help user installation/configuration.
NOTE:
This type of paragraph calls readers attention to a notice or related theme.
CAUTION!
This type of paragraph highlights a procedure, adjustment etc., which can cause a damage or
unproper function of the equipment if not performed correctly and may not be clear at first sight.
WARNING!
This type of paragraph indicates things, procedures, adjustments etc. which need high level of
attention, otherwise can cause personal injury or death.
Text
PAGE (Capital letters in the frame) buttons on the front panel
Break Return (Italic) set points
Generator protections (Bold) Set point group
REMOTE START/STOP (Capital letters) binary inputs and outputs
Conformity Declaration
The 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.
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General Guidelines
What is in this manual?
This manual describes the InteliATSNT PWR (IA-NT-PWR) software, which is designed for automatic
transfer switch applications and provides general information on how to install and operate the
InteliATSNT controller.
This manual is dedicated for
Automatic transfer switch panel builders
Operators of remote gen-sets (started remotely from InteliATSNT)
For everybody who is concerned with installation, operation and maintenance of the gen-set
InteliATS controller SW and HW versions compatibility
Software InteliATSNT is compatible with the InteliATSNT hardware v. 1.3 and higher.
There are two modifications of the InteliATSNT HW - STD and PWR and two modifications of the
InteliATSNT SW – STD and HW which together with the appropriate archive file (IA-NT-STD-HW_1.3X.X.AIL for STD HW 1.3, IA-NT-STD-X.X.AIL for STD HW > 1.3 and IA-NT-PWR-X.X.AIL) form the
InteliATSNT PWR or STD controller.
Beside that the InteliATSNT software is compatible with IL-NT AMF HW 1.3 and higher too, which is
used when a low temperature ATS application is needed. In this case the InteliATSNT SW must be
combined (purchased) with the IL-NT AMF 25 LT HW to obtain the low temperature ATS controller.
NOTE:
Because of large variety of InteliATSNT parameters settings, it is not possible to describe all
combinations. Some of InteliATSNT functions are subject of changes depend on SW version.
The data in this manual only describes the product and are not warranty of performance or
characteristic.
CAUTION!
SW and HW must be compatible (e.g. IA-NT firmware and IA-NT HW) otherwise the function will be
disabled. If wrong software is downloaded, message HARDWARE INCOMPATIBLE appears on
controller screen. In this case use Boot load (jumper) programming – close Boot jumper and follow
instructions in LiteEdit, download correct software.
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.
WARNING!
Remote control - InteliATSNT controller can be remotely controlled. In case of the work on the
controlled devices check, that nobody can perform remote operation. To be sure disconnect
- remote control via RS232 line
- input REM TRANSFER
- input REMOTE AUT
- input REMOTE TEST
or disconnect output Rem START/STOP and outputs GCB CLOSE/OPEN and MCB CLOSE/OPEN
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WARNING!
Every time you want to disconnect following InteliATSNT controller terminals:
- Mains voltage measuring and / or
- Binary output for MCB control and / or
- MCB Feedback
Switch InteliATSNT to MAN or OFF Mode or disconnect the Binary outputs Rem Start/Stop and GCB
Close/Open to avoid unexpected automatic start of gen-set and GCB closing.
WARNING!
Dangerous voltage
In no case touch the terminals for voltage and current measurement!
Always connect grounding terminals!
In any case do not disconnect InteliATSNT current transformer terminals!
The following instructions are for qualified personnel only. To avoid personal injury do not
perform any action not specified in this Reference guide!!!
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Description
Description of the controller system
InteliATSNT is a comprehensive Automatic Transfer Switch controller designed to monitor the incoming
AC mains supply (1 or 3 phases) for under & over voltage, under & over frequency and voltage
unbalance. In the case of any mains supply disproportion it will send a remote start command to the
gen-set and make changeover for both generator and mains contactors. The gen-set requires a
remote start type control unit (e.g. the ComAp InteliLiteNT MRS 10 controller), at least a key-start box
with an external input for the start/stop signal.
The controller is capable of providing the following three different types of changeover (transition)
open delayed transition
open in-phase transition with synch check
closed short-time (100ms) parallel transition with synch check
In order to provide “synch check” the controller has been enhanced by the feature called passive
synchronization. The passive sync (sync check) offers possibility to “synchronize” mains and gen-set
without the need to use speed regulation or - better to say - it offers possibility to wait for the both
sources to get in phase.
System is evaluated as to be in sync according to the predefined parameters – voltage and frequency
difference – if the both sources will get in-phase before the synchronization timeout expires.
Parameters defining breaker delay are taken into the account when the system computes/predicts
exact moment when the both sources are “in phase”.
InteliATSNT controllers are equipped with a powerful graphic display showing icons, symbols and bargraphs for intuitive operation, which sets, together with high functionality, new standards in Gen-set
controls & ATS Breaker.
The key features are:
Easy-to-use operation and installation. Factory default configuration covers most of
applications
Different customer changes are possible thanks to the configurability
Excellent remote communication capabilities
High reliability
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Example application
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Configurability
One of the key features of the controller is high level of adaptability of the system to the needs of
every particular application. The way, how to achieve this, is the configuration.
NOTE:
Use LiteEdit PC software to read configuration from the controller or disk, view it, modify it and write
the configuration to controller or disk.
The firmware contains a number of binary inputs and outputs needed for all necessary functions
available in the firmware. But not all functions are required at the same time on different gen-sets and
also the controller hardware does not have so many input and output terminals. One of the main tasks
of the configuration is mapping of "logical" firmware inputs and outputs to the "physical" hardware
inputs and outputs.
Configuration parts:
1. Mapping of logical binary inputs (functions) or assigning alarms to physical binary input
terminals
2. Mapping of logical binary outputs (functions) to physical binary output terminals
3. Changing language of the controller texts
The controller is delivered with a default configuration, which should fit to most standard
applications. This default configuration can be changed only using PC and LiteEdit software. See
LiteEdit documentation for details.
NOTE:
You need one of communication modules to connect the controller to a PC with LiteEdit. There is a
special easy removable service module for cases, where there is no communication module
permanently attached.
Once the configuration is modified, it can be stored in a file for later usage with another controller or
for backup purposes. The file is called archive and has file extension ".ail". An archive contains full
image of the controller at the moment of saving (if the controller is online to the PC) except firmware,
i.e. besides configuration there are also current adjustment of all setpoints, all measured values, a
copy of history log and a copy of alarm list.
The archive can be simply used for cloning of controllers, which means preparing controllers with
identical configuration and settings.
What is in the package?
Accessories
Description
Optional / Obligatory
IA-NT PWR
InteliATSNT central unit, PWR version
Obligatory
IL-NT-RS232
RS232 communication card
Optional
IL-NT-RS232-485
RS232 and RS485 communication card
Optional
IL-NT-S-USB
Service USB communication card
Optional
IB-Lite
Internet communication bridge
Optional
IL-NT-GPRS
GSM/GPRS modem card
Optional
IL-NT-AOUT8
Gauge driver plug-in card
Optional
IL-NT-BIO8
Configurable I/O plug-in card
Optional
*IL-NT RD
Remote display software
Optional
InternetBridge-NT
External communication module
Optional
*Remote display for IA-NT controllers uses standard IL-NT controller with Remote display software
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NOTE:
For detailed information about extension modules used with IA-NT controllers, please see the IL-NT,
IC-NT, IA-NT, ID-Lite-Accessory Modules manual.
IL-NT RS232 Communication module
IL-NT RS232 is optional plug-in card to enable InteliATSNT for RS232 communication. This is required
for computer or Modbus connecting. Card inserts into expansion slot back on the controller.
To insert the module, you must open the cover first (use screwdriver to open) and then insert the
module into slot. Once you have inserted it, the module will snap under plastic teeth. It is supposed to
be installed permanently. Should you need to remove it, the safest way is to remove whole back cover
and then remove module manually.
How to install RS 232 communication module:
NOTE:
The following procedure is analogic also for other communication modules.
1. Insert a screwdriver into the slot of the cover.
2. Move the screwdriver to set apart the small cover. Be careful!
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3. Remove the small cover.
4. Break apart the small cover into two pieces. Do not throw away the smaller part!
5. Take RS 232 communication module.
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6. Plug RS 232 communication module into the slot of the controller.
7. Put back the small cover.
NOTE:
When you insert RS 232 communication module, the boot jumper is hidden. For that reason we
recommend to use RS 232 communication module with the boot jumper placed on it. See pictures
below:
RS 232 communication module with the boot jumper.
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NOTE:
Boot jumper programming – In case of interrupted programming or other software failure is possible to
use the boot jumper programing to restore controller to working order. Connect controller to PC, run
LiteEdit and wait until connection bar at bottom turns red. Than run programming process via menu
Controller -> Programming and cloning – Programming. Select correct firmware and confirm dialog.
Than follow instructions in LiteEdit.
Or follow video guide “Boot Jumper Programming“ at http://www.comap.cz/support/training/training-
videos/.
IL-NT RS232-485 Communication module
IL-NT RS232-485 is optional plug-in card to enable InteliATSNT the RS232 and RS485 communication.
This is required for computer or Modbus connection. Card inserts into expansion slot back on the
controller. The IL-NT RS232-485 is a dual port module with RS232 and RS485 interfaces at
independent COM channels. The RS232 is connected to COM1 and RS485 to COM2.
To insert the module, please follow the instructions for IL-NT RS232 module, procedure is analogous.
You must open the cover first (use screwdriver to open) and then insert the module into slot. Once you
have inserted it, the module will snap under plastic teeth. It is supposed to be installed permanently.
Should you need to remove it, the safest way is to remove whole back cover and then remove module
manually.
RS485
Boot jumper
RS485 Terminator jumper
RS232
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RS232
COM1
RS485
COM2
A (RxTx +)
B (RxTx -)
GND
RS485 120R
terminator jumper
Boot jumper
RS485
balancing
resistor
jumpers
Terminator
Balancing
resistor
A
GND
B
Balancing
resistor
+5V
A
B
GND
RS485 internal
wiring
NOTE:
- Balancing resistors shall be both closed at only one device in whole RS485 network.
- Boot jumper programming – In case of interrupted programming or other software failure is possible
to use the boot jumper programing to restore controller to working order. Connect controller to PC, run
LiteEdit and wait until connection bar at bottom turns red. Than run programming process via menu
Controller -> Programming and cloning – Programming. Select correct firmware and confirm dialog.
Than follow instructions in LiteEdit.
Or follow video guide “Boot Jumper Programming“ at http://www.comap.cz/support/training/training-
videos/.
IL-NT S-USB Service USB communication module
IL-NT S-USB is optional plug-in card to enable InteliATSNT communication via USB port. This is
required for computer or Modbus connecting. Card inserts into expansion slot back on the controller.
To insert the module, please follow the instructions for IL-NT RS232 module, procedure is analogous.
You must open the cover first (use screwdriver to open) and then insert the module into slot. Once you
have inserted it, part of the module will remain over plastic box. It is supposed to be used as a service
tool. When you need to remove it, grab module in cutouts and pull it up manually.
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NOTE:
Use the shielded USB A-B cable with this module! Recommended is ComAp cable – Order code:
“USB-LINK CABLE 1.8M”.
Boot jumper programming – In case of interrupted programming or other software failure is possible to
use the boot jumper programing to restore controller to working order. Connect controller to PC, run
LiteEdit and wait until connection bar at bottom turns red. Than run programming process via menu
Controller -> Programming and cloning – Programming. Select correct firmware and confirm dialog.
Than follow instructions in LiteEdit.
Or follow video guide “Boot Jumper Programming“ at http://www.comap.cz/support/training/training-
videos/.
IL-NT RD Remote display software
IL-NT RD is remote display software for a controller. Remote display provides the same control and
monitoring functions as controller itself. Remote display for IA-NT controllers uses standard IA-NT
controller with IL-NT Remote display software. No further programming of the display is required – unit
is self-configurable from the main controller. It is connected with the controller via IL-NT-RS232
communication modules using RS232 line. Longer distances (up to 1200m) are possible using IL-NTRS232-485 communication module or when RS232/RS485 converters are used.
The IL-NT RD hardware type should fit to the master IA-NT.
NOTE:
Please see the “IL-NT-RD Remote display software” chapter for more details.
IB-Lite Communication module
IB-Lite is optional plug-in card to enable InteliATSNT communication via Ethernet/Internet. Card inserts
into expansion slot back on the controller.
To insert the module, please follow the instructions for IL-NT RS232 module, procedure is analogous.
You must open the cover first (use screwdriver to open) and then insert the module into slot. Once you
have inserted it, part of the module will remain over plastic box. It is supposed to be used as a service
tool. When you need to remove it, grab module and pull it up manually.
See IB-Lite-Reference Guide for further details.
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Use Ethernet UTP cable with RJ45 connector for connection of the module into your ethernet network.
The module can be also connected directly to a PC using cross-wired UTP cable.
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
CROSS-WIRED UTP 10/100Mbit
CABLE
RJ45 RJ45
Web server for IB-Lite
Is a new secured way of monitoring and controlling the gen-set from any point in world using your web
browser. It offers clear overview and control of the state of engine, its settings and history. User
friendly.
See IB-Lite-Reference Guide and pictures below for further details.
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Scada window:
Measurement window:
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Setpoints window:
History window:
HINT:
This feature requires IB-Lite optional plug-in module and visible connection of controller to
Ethernet/Internet.
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IL-NT-GPRS GSM and GPRS plug-in modem
CAUTION!
Any manipulation with plug-in module shall be done with disconnected power supply to both controller
and module. Power supply shall be switched on also is same time to both module and controller. Fail
to follow these instructions (power supply active only in controller or only in module) can lead to
module or controller failure!
This plug-in module is a GSM/GPRS modem which can work in two modes of operation based on the
settings in the setpoint COM1 Mode.
Settings DIRECT = the module works in a GPRS network and enables connection via AirGate
to LiteEdit and WebSupervisor as well as sending SMS alarms.
Settings MODEM = the module works as a standard GSM modem enabling a CSD (Circuit
Switch Data) connection to the controller with LiteEdit or InteliMonitor and sending SMS
alarms.
The communication module IL-NT GPRS works with:
WebSupervisor – internet-based remote monitoring solution
AirGate – powerful connection technology to make internet access as simple as possible
Locate – localization technology
HINT:
Quick guide how to start using this module is in chapter Remote Communication - Short guide how to
start using IL-NT-GPRS module or on ComAp webpage http://www.comap.cz/products/detail/IL-NTGPRS.
GPRS and CSD services must be provided by your GSM/GPRS operator for successful operation.
The GPRS and CSD connection should not be used for the firmware update process. Use instead a
wired connection like RS232, USB, RS485 or Ethernet via IB-Lite!
IL-NT-GPRS module doesn’t support a sending of e-mails.
It is necessary to power the controller and individually the IL-NT GPRS module as well.
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IL-NT AOUT8 Gauge driver module
IL-NT AOUT8 is optional plug-in card. Through this card controller can drive up to 8 VDO style
industrial/automotive gauges. Noncompensated gauges like 0-10V or 0-20mA are not supported.
Gauge type and value are configured in LiteEdit software. Any analog value from controller may be
shown in that way.
To insert the module, you must open the cover first (use screwdriver to open) and then insert the
module into slot. Once you have insert it, the module will snap under plastic teeth. It is supposed to be
installed permanently. Should you need to remove it, the safest way is to remove whole back cover
and then remove module manually.
Installing IL-NT AOUT8 module is similar to installing RS 232 module. The difference is that module
fits to “extension module” slot and after installing IL-NT AOUT8 you do not put back the small cover.
PC Installation Suite consist a set of prepared converting curves for basic usage of PWM outputs with
automotive gauges.
IL-NT AOUT8 module:
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Typical wiring
IL-NT BIO8 Hybrid binary input/output module
IL-NT BIO8 is optional plug-in card. Through this card controller can accommodate up to 8 binary
inputs or outputs. In LiteEdit PC configuration tool (version 4.4 and higher) it is possible to easily
choose if particular I/O will be binary input or output.
Installing IL-NT BIO8 module is similar to installing RS 232 module. The difference is that module fits
to “Extension module” slot and after installing IL-NT BIO8 you do not put back the small cover.
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InternetBridge-NT
The InternetBridge-NT (IB-NT) is a communication module that allows connection of a single controller
as well as a whole site to the internet or a Local Area Network. The internet connection can be
enabled via the built-in cellular modem supporting 2G and 3G networks or via Ethernet cable.
For InteliATSNT the following functions are available:
- Direct Ethernet connection to ComAp configuration and monitoring tools (LiteEdit, InteliMonitor
or WebSupervisor)
- AirGate support
- Web interface
HINT:
Support of InteliATSNT controllers is in IB-NT 1.2 SW and newer.
For further information and options that can be set, see IB-NT Reference Guide.
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Programming of IA-NT controller
Programming is possible only in OFF mode when the engine is not running.
NOTE:
For more information on programming, see LiteEdit Reference Guide.
CAUTION!
Check the statistic values after firmware upgrade. Readjust the values if necessary.
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User Interface
There is an interchangeable User Interface on controller. It allows two different modes of displaying
controller menu.
The first mode called USER is dedicated for users who prefer easy function and need only monitor
actual values, see alarms or change language settings.
Second mode is called ENGINEER and it is dedicated for advanced users, who desire to change the
settings of controller, monitor all values and check the history of events.
Changing the mode of User Interface is possible from default measuring screen of controller by
simultaneous pressing the ENTER and PAGE button and then press again PAGE. On screen will be
displayed the choice of two different User Interfaces.
Please see latest IA-NT Operator Guide for detailed description.
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Terminals
IA-NT PWR terminals and face
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Installation
Mounting
The controller is to be mounted onto the switchboard door. Requested cutout size is 175x115mm. Use
the screw holders delivered with the controller to fix the controller into the door as described on
pictures below.
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Dimensions
29
58
47
185
125
110
80
168
HINT:
Recommended mounting cutout size is 175 x 115 mm.
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IA-NT- PWR-2.5-Reference Guide.pdf
Recommended Wiring
IA-NT PWR – Wiring Diagram
L1
L2
L3
N
DIESEL/GAS ENGINE
GENERATOR
G
RS-232C
Interface
Modemor PC
LOAD
B.Generator C.
.Mains C.B
GEN READY TO LOAD
MAINS FAIL BLOCK
REMOTE AUT
GCB FEEDBACK
MCB FEEDBACK
REMOTE TEST
REMOTE TEST ONLD
AL START FAIL
GCB CLOSE
/
OPEN
GEN START
/
STOP
AL MAINS FAIL
ALARM
READY TO AMF
MCB CLOSE
/
OPEN
CONTROL
SIGNALS
BATTERY
-
+
+24V 0V
BINARY
OUTPUTS
GEN-SET CONTROLLER
NOTE:
MCB and GCB are recommended to be mechanically interlocked in case of open delayed transition.
Stripping length of wires: 6-10mm.
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IA-NT- PWR-2.5-Reference Guide.pdf
Applications
The most typical application for the ATS controllers is Auto Mains Failure (AMF) application, where the
controller watches for the mains power supply fault and then starts a load transfer process.
Next possible application is manually controlled load transfer between two power supply sources
(mains x generator).
AMF using two separate breakers with feedbacks (MCB and GCB)
G
IA-NT
GCB
3x
LOAD
3xU
M
3xU
G
3xI
G
MCB
3x
T
3x
MCB
MCB FEEDBACK
K4
MCB GCB
GCB FEEDBACK
3x
MCB CLOSE/OPEN
GCB CLOSE/OPEN
BO
BI
MCB
K3
GCB
GCB
Specification
Automatic remote gen-set start when the mains fails (AUT mode)
GCB & MCB full control with feedbacks
Break transfer on mains failure
Break return on mains return (Load reclosing)
Test mode (set running and waiting for mains failure)
Hardware requirements
1x IA-NT PWR
Setpoints
MCB Logic = “CLOSE-OFF”
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IA-NT- PWR-2.5-Reference Guide.pdf
AMF using two separate breakers with feedbacks (MCB and GCB) +
Test on Load
G
GCB
3x
LOAD
3xUM3xUG3xI
G
MCB
3x
T
3x
K4
MCB GCB
K3
3x
BO
BI
IA-NT
MCB
MCB
FEEDBACK
GCB
GCB FEEDBACK
TEST ON LOAD
ON LOAD
TEST
REQUIRED
REMOTE
TEST
/CLOSE OPEN
GCB
MCBCLOSE/OPEN
Specification
Automatic remote gen-set start when the mains fails (AUT mode)
GCB & MCB full control with feedbacks
Break transfer on mains failure
Break return on mains return (Load reclosing)
Test mode (set running and waiting for mains failure)
On Load Test - load transfer to gen-set (Island operation) and back to mains in TEST mode on
BI Test on load activation/deactivation. There are 2 breaks in this operation. Controller may
be forced to TEST mode by BI Remote TEST
Hardware requirements
1x IA-NT PWR
Setpoints
MCB Logic = “CLOSE-OFF”
RetFromIsland = “AUTO” – automatic return (MCB Close) to mains after TEST
RetFromIsland = “MANUAL” – manual return to mains (MCB Close) after TEST – IA-NT goes to MAN
mode.
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