ComAp InteliGen, InteliSys, InteliMains Communications Manual
InteliGen
InteliSys
InteliMains
Communication Guide for
ComAp Controllers
1 Document information 7
2 Controllers communication capabilities 11
3 Applications overview 24
4 Remote monitoring 47
5 Controller setup 62
6 Connection 77
7 Communication 82
8 Converters 119
9 Modbus Connection 129
10 Modbus Appendix 146
Copyright © 2019 ComAp a.s.
Written by Jan Tomandl
Prague, Czech Republic
ComAp a.s., U Uranie 1612/14a,
170 00 Prague 7, Czech Republic
Tel: +420 246 012 111
E-mail: info@comap-control.com,
www.comap-control.com
Communication Guide
Table of contents
1 Document information 7
1.1 Clarification of notation 7
1.2 About this guide 7
1.3 Legal notice 7
1.4 Document history 9
1.5 Definition of terms 9
2 Controllers communication capabilities 11
2.1 IG/IS/IM-NTC-BB - Communications 12
2.2 IG/IS/IM-NTC-BB - Terminals 13
2.3 IG/IS/IM-NTC-BB - Peripheral modules 14
2.4 IG/IS/IM-NTC-BB - Jumpers settings 15
2.5 IG/IM-NT-BB - Communication 16
2.6 IG/IM-NT-BB - Terminal 17
2.7 IG/IM-NT-BB - Peripheral modules 18
2.8 IG/IM-NT-BB - Jumper settings 19
2.9 IG-NT - Communications, Terminals 20
2.10 IG-NTC - Communication, Terminals 21
2.11 IM-NT - Communications, Terminals 22
2.12 IS-NT-BB - Communications, Terminals 23
3 Applications overview 24
3.1 Direct PC connection to Single gen-set 24
3.1.1 RS232 connection 24
3.1.2 USB connection 25
3.1.3 RS485 connection 26
3.1.4 Ethernet connection (Direct) 27
3.2 Direct PC connection to Multiple gen-sets 29
3.2.1 RS485 connection 29
3.2.2 RS232/485 connection (I-LB+) 31
3.2.3 USB connection via I-LB+ module 32
3.2.4 Ethernet connection via IB-NT 34
3.2.5 Ethernet connection (Direct) 35
3.3 Monitoring Local on site - MODBUS 36
3.3.1 RS232 ModBus 36
3.3.2 RS485 ModBus 38
3.3.3 Ethernet - MODBUS/TCP (Direct) 39
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3.4 ModBus - Multiple gen-sets 41
3.4.1 RS485 – MODBUS 41
3.4.2 RS232/RS485 – MODBUS (I-LB+) 42
3.4.3 Ethernet - MODBUS (IB-NT) 43
3.5 Access to password protected objects 45
4 Remote monitoring 47
4.1 Connection to Internet (Direct) 48
4.1.1 Controllers 48
4.1.2 Equipment 49
4.1.3 Available software for IG/IS-NT 49
4.2 Internet connection via AirGate 49
4.3 WebSupervisor 52
4.4 Web interface 53
4.4.1 Scada 54
4.4.2 Measurement 55
4.4.3 Setpoints 56
4.4.4 History 56
4.4.5 Web server adjustment 57
4.5 Internet connection via cellular network 58
4.5.1 Connection via Internet bridge IB-NT 58
4.5.2 Active Call 58
4.6 Active SMS 59
4.6.1 Active E-mail (SMS E-mail) 60
4.7 Access Lock 61
5 Controller setup 62
5.1 Displays 62
5.1.1 InteliVision 12Touch display 62
5.1.2 InteliVision 8 display 63
5.1.3 InteliVision 5 display 64
5.2 Comms extension - I-LB+ Local bridge 64
5.2.1 Jumper setings 66
5.2.2 Jumper selection tree 66
5.3 I-CR Module for CAN Bus Extension 67
5.3.1 I-CR module functions 68
5.3.2 I-CR configuration jumpers 68
5.4 I-CR-R Module for CAN Bus Redundancy 68
5.5 I-CR-R module properties 70
5.5.1 I-CR-R module functions 70
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5.5.2 I-CR-R configuration jumpers 71
5.5.3 I-CR-R indication and diagnostic LEDs 72
5.6 Commands for IGS-NT 72
5.7 Commands for IM-NT 75
6 Connection 77
6.1 Recommended CAN/RS485 connection 77
6.1.1 CAN bus connection 77
6.1.2 CAN/fiber optic converter 78
6.1.3 CAN-Ethernet gateway 79
6.1.4 RS485 connection 80
6.1.5 Termination Resistors 81
6.1.6 Bias Resistors 81
7 Communication 82
7.1 Communication cables 82
7.1.1 RS 485 cable 82
7.1.2 CAN bus cable 83
7.1.3 RS232 cable 83
7.1.4 Cables for direct and modem connections 83
7.1.5 USB cable 84
7.1.6 Ethernet cable 85
7.2 SMS Message command 85
7.2.1 Controller address 85
7.2.2 Access code 85
7.2.3 Read value or setpoint 86
7.2.4 Adjust setpoint 86
7.2.5 Enter password 86
7.2.6 Gen-set control 87
7.2.7 Read Alarm list 87
7.2.8 Time delay 88
7.2.9 Remote switches (IG/IS-NT only) 88
7.2.10 ExtValues (IG/IS-NT only) 88
7.2.11 Answer message 89
7.2.12 Examples of SMS commands 89
7.3 Modbus Communication 90
7.3.1 Data reading 91
7.3.2 Data writing 91
7.4 Examples of Modbus Communication 93
7.4.1 Battery voltage – reading (read multiple registers) 94
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7.4.2 Values (Oil press, Water temp, Fuel level) – reading 96
7.4.3 Binary input - reading 97
7.4.4 Password decode - reading 97
7.4.5 Gen-set name - reading 98
7.4.6 Engine state - reading 99
7.4.7 Gear teeth – writing 100
7.4.8 Nominal Power – writing 100
7.4.9 Mode – writing 101
7.4.10 Reset/Confirm Alarm 102
7.4.11 Remote Switch 1-8 – Set (Remote Control 1-8) 103
7.4.12 External Value1 – writing 104
7.4.13 User & Password – in two steps 105
7.4.14 User & Password – in one step 106
7.4.15 Start the engine – in one step 106
7.4.16 Start the engine – in two steps 107
7.4.17 History – reading 107
7.4.18 AlarmList reading 109
7.4.19 Change the communication language (only String type data) 110
7.5 Reserved communication objects 111
7.6 Replacing InternetBridge-NT 113
7.6.1 Sites with "NT" family controllers 113
7.6.2 Sites with new controller families 115
7.6.3 Combined sites 117
8 Converters 119
8.1 Converter RS232 ↔ RS485 119
8.1.1 General properties of RS232 to RS485 converters: 119
8.1.2 Recommended converters 120
8.2 RS232 Bluetooth adapter 120
8.2.1 Recommended adapter 120
8.3 Converter USB ↔ RS232 120
8.3.1 Recommended converters 121
8.4 Converter USB ↔ RS485 121
8.4.1 Recommended converter 121
8.5 Converter CAN ↔ CAN 122
8.5.1 Recommended converter 122
8.6 Recommended optical USB extension cables 122
8.6.1 Radio Link 122
8.6.2 Recommended equipment 123
8.7 Converter Modbus RTU ↔ Profibus 123
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8.7.1 GE Digital Energy - P485 Modbus to Profibus Converter 123
8.7.2 Converter settings 123
8.7.3 Setup example (using wizard) 124
8.7.4 Controller settings 127
8.8 Anybus Comunicator 128
8.8.1 Ethernet converter from twisted pair(UTP/STP) to optic 128
8.8.2 Recommended equipment 128
9 Modbus Connection 129
9.1 Modbus Step by Step 129
9.2 Important setpointsin the controller 129
9.2.1 Modbus communication via RS232 – single controller 130
9.2.2 Modbus communication viaRS485 130
9.2.3 Modbus communication via RS485 – multiple controllers 131
9.2.4 Modbus communicationviaI-LB+ 131
9.2.5 Modbus communicationvia IB-NT 132
9.3 Modbus Protocol Description 132
9.3.1 Modbus TCP 132
9.3.2 Modbus RTU 135
9.3.3 Alarm list reading 139
9.3.4 History reading 143
9.4 Check field calculation 143
9.5 How get numbers of Modbus communication objects 143
9.6 User Modbus 144
10 Modbus Appendix 146
10.1 Modbus Switches 146
10.2 Data types 146
10.3 Communication status 148
10.4 Error list 150
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1 Document information
1.1 Clarification of notation 7
1.2 About this guide 7
1.3 Legal notice 7
1.4 Document history 9
1.5 Definition of terms 9
1.1 Clarification of notation
Note: This type of paragraph calls readers attention to a notice or related theme.
IMPORTANT: This type of paragraph highlights a procedure, adjustment etc., which can cause a
damage or improper function of the equipment if not performed correctly and may not be clear at
first sight.
Example: This type of paragraph contains information that is used to illustrate how a specific function
works.
1.2 About this guide
There are following types of communication between controller(s) and superior system in the controller:
Local (on site) communication
via ComAp software
via MODBUS (MODBUS RTU or MODBUS TCP)
Remote communication
via Ethernet
via Internet (AirGate)
via MODEM
These types of connections are available via RS232, RS485, USB, ETHERNET communication ports.
1.3 Legal notice
This End User's Guide/Manual as part of the Documentation is an inseparable part of ComAp’s Product and
may be used exclusively according to the conditions defined in the “END USER or Distributor LICENSE
AGREEMENT CONDITIONS – COMAP CONTROL SYSTEMS SOFTWARE” (License Agreement) and/or in
the “ComAp a.s. Global terms and conditions for sale of Products and provision of Services” (Terms) and/or in
the “Standardní podmínky projektů komplexního řešení ke smlouvě o dílo, Standard Conditions for Supply of
Complete Solutions” (Conditions) as applicable.
ComAp’s License Agreement is governed by the Czech Civil Code 89/2012 Col., by the Authorship Act
121/2000 Col., by international treaties and by other relevant legal documents regulating protection of the
intellectual properties (TRIPS).
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The End User and/or ComAp’s Distributor shall only be permitted to use this End User's Guide/Manual with
ComAp Control System Registered Products. The Documentation is not intended and applicable for any other
purpose.
Official version of the ComAp’s End User's Guide/Manual is the version published in English. ComAp reserves
the right to update this End User's Guide/Manual at any time. ComAp does not assume any responsibility for its
use outside of the scope of the Terms or the Conditions and the License Agreement.
Licensed End User is entitled to make only necessary number of copies of the End User's Guide/Manual. Any
translation of this End User's Guide/Manual without the prior written consent of ComAp is expressly prohibited!
Even if the prior written consent from ComAp is acquired, ComAp does not take any responsibility for the
content, trustworthiness and quality of any such translation. ComAp will deem a translation equal to this End
User's Guide/Manual only if it agrees to verify such translation. The terms and conditions of such verification
must be agreed in the written form and in advance.
For more details relating to the Ownership, Extent of Permitted Reproductions Term of Use of the
Documentation and to the Confidentiality rules please review and comply with the ComAp’s License
Agreement, Terms and Conditions available on www.comap-control.com.
Security Risk Disclaimer
Pay attention to the following recommendations and measures to increase the level of security of ComAp
products and services.
Please note that possible cyber-attacks cannot be fully avoided by the below mentioned recommendations and
set of measures already performed by ComAp, but by following them the cyber-attacks can be considerably
reduced and thereby to reduce the risk of damage. ComAp does not take any responsibility for the actions of
persons responsible for cyber-attacks, nor for any damage caused by the cyber-attack. However, ComAp is
prepared to provide technical support to resolve problems arising from such actions, including but not limited to
restoring settings prior to the cyber-attacks, backing up data, recommending other preventive measures against
any further attacks.
Warning: Some forms of technical support may be provided against payment. There is no legal or factual
entitlement for technical services provided in connection to resolving problems arising from cyber-attack or
other unauthorized accesses to ComAp's Products or Services.
General security recommendations and set of measures
1. AccessCode
• Change the AccessCode BEFORE the device is connected to a network.
• Use a secure AccessCode – ideally a random string of 8 characters containing lowercase, uppercase letters
and digits.
• For each device use a different AccessCode.
2. Password
• Change the password BEFORE the device enters a regular operation.
• Do not leave displays or PC tools unattended if an user, especially administrator, is logged in.
3. Controller Web interface
• The controller web interface at port TCP/80 is based on http, not https, and thus it is intended to be used only
in closed private network infrastructures.
• Avoid exposing the port TCP/80 to the public Internet.
4. MODBUS/TCP
• The MODBUS/TCP protocol (port TCP/502) is an instrumentation protocol designed to exchange data
between locally connected devices like sensors, I/O modules, controllers etc. From it’s nature it does not
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contain any kind of security – neither encryption nor authentication. Thus it is intended to be used only in closed
private network infrastructures.
• Avoid exposing the port TCP/502 to the public Internet.
5. SNMP
• The SNMP protocol (port UDP/161) version 1,2 is not encrypted. Thus it is intended to be used only in closed
private network infrastructures.
• Avoid exposing the port UDP/161 to the public Internet.
1.4 Document history
Revision number Date Author
1 Jan Tomandl
1.5 Definition of terms
Local connection
Type of connection using direct connection on site via protocol of ports on the controller. Length of
connection is given by protocol specification.
Remote connection
Type of connection using standard communication lines such as Internet, modem connection and GSM
connection for communication between controller and other superior device.
Comap Protocol
Communication between PC with ComAp software (InteliMonitor, GenConfig) and controller is running
on this protocol.
3rdparty software
Software using standardized protocol for sharing of data between particular systems (for example
Modbus RTU, Modbus TCP etc.).
Single gen-set communication
This type of connection allows communication only with one controller. Communication with other
controllers on site via this type of connection is not possible.
Multiple gen-set communication
This type of connection allows communication with more than one controller on site via single
communication link.
Monitoring
Type of communication used for continuous displaying of process data and process control of the
system.
Configuration
Type of communication used for writing of configuration file into the controller.
Note: There are used some abbreviations for resolution of all hardware variations of IGS -NT controllers in this
document. These abbreviations correspond with order codes of each HW variation (see the table below).
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InteliSys NTC Basebox IS-NTC-BB
InteliSys NT IS-NT-BB
InteliGen NTC Basebox IG-NTS-BB
InteliGen NT Basebox IG-NT-BB
InteliGen NTC IG-NTC
InteliGen NT IG-NT
InteliMains NTC Basebox IM-NTC-BB
InteliMains NT Basebox IM-NT-BB
InteliMains NT IM-NT
Note: In abbreviation the “C” means “Communications” – controller with extended communication ports. The
“Basebox” controller has not inbuilt LCD panel, it is recommended to use IV5, IV8 or IV12 remote display.
Abbreviation “IGS-NT” stands for IG-NT or IS-NT and it is used to describe common features of both products.
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2 Controllers communication capabilities
2.1 IG/IS/IM-NTC-BB - Communications 12
2.2 IG/IS/IM-NTC-BB - Terminals 13
2.3 IG/IS/IM-NTC-BB - Peripheral modules 14
2.4 IG/IS/IM-NTC-BB - Jumpers settings 15
2.5 IG/IM-NT-BB - Communication 16
2.6 IG/IM-NT-BB - Terminal 17
2.7 IG/IM-NT-BB - Peripheral modules 18
2.8 IG/IM-NT-BB - Jumper settings 19
2.9 IG-NT - Communications, Terminals 20
2.10 IG-NTC - Communication, Terminals 21
2.11 IM-NT - Communications, Terminals 22
2.12 IS-NT-BB - Communications, Terminals 23
6 back to Table of contents
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2.1 IG/IS/IM-NTC-BB - Communications
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2.2 IG/IS/IM-NTC-BB - Terminals
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2.3 IG/IS/IM-NTC-BB - Peripheral modules
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2.4 IG/IS/IM-NTC-BB - Jumpers settings
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2.5 IG/IM-NT-BB - Communication
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2.6 IG/IM-NT-BB - Terminal
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2.7 IG/IM-NT-BB - Peripheral modules
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2.8 IG/IM-NT-BB - Jumper settings
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2.9 IG-NT - Communications, Terminals
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2.10 IG-NTC - Communication, Terminals
6 back to Controllers communication capabilities
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2.11 IM-NT - Communications, Terminals
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2.12 IS-NT-BB - Communications, Terminals
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3 Applications overview
3.1 Direct PC connection to Single gen-set 24
3.2 Direct PC connection to Multiple gen-sets 29
3.3 Monitoring Local on site - MODBUS 36
3.4 ModBus - Multiple gen-sets 41
3.5 Access to password protected objects 45
6 back to Table of contents
3.1 Direct PC connection to Single gen-set
3.1.1 RS232 connection
Controllers
Controllers IG-NT-BB IM-NT-BB IG-NTC-BB IS-NTC-BB IM-NTC-BB
Connection
applicable
Available
ports
More info
Controllers IG-NT IG-NTC IS-NT-BB IM-NT
Connection
applicable
Available
ports
More info
YES YES YES YES YES
RS232(1) RS232(1) RS232(1) RS232(1) RS232(1)
IG/IM-NT-BB - Communication
(page 16)
YES YES YES YES
RS232(1)
IG-NT -
Communications,
Terminals (page 20)
RS232(1)
RS232(2)
IG-NTC -
Communication,
Terminals (page
21)
IG/IS/IM-NTC-BB - Communications (page 12)
RS232(1)
RS232(2)
IS-NT-BB -
Communications,
Terminals (page 23)
RS232(1)
IM-NT -
Communications,
Terminals (page 22)
Note: Other way how to realize RS232 connection is via RS232/485 connection (I-LB+) (page 31).
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Controller setup
(Setpoints/Comms settings group)
RS232(1) mode = DIRECT
RS485(1) conv. = DISABLED
Equipment
Controller side -
Connection RS232 cable (page 83) up to 10m
PC side RS232 connection or RS232/USB converter
3.1.2 USB connection
Equipment needed
Controllers
Controllers IG-NT-BB IG-NTC-BB IS-NTC-BB IM-NTC-BB IM-NT-BB
Connection
applicable
Available
ports
More info IG/IS/IM-NTC-BB - Communications (page 12)
Controllers IG-NT IG-NTC IS-NT-BB IM-NT
Connection
applicable
Available
ports
More info
Note: Direct USB connection is not possible for some controllers, however USB connection is available for all
mentioned controllers via RS232/485 connection (I-LB+) (page 31).
NO YES YES YES NO
external bridge USB USB USB external bridge
NO YES YES NO
external bridge(1) USB USB external bridge
IG-NTC -
Communication,
Terminals (page 21)
IS-NT-BB -
Communications,
Terminals (page 23)
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Controller setup
(Setpoints/Comms settings group)
Equipment
Controller side -
Connection USB cable (page 84) A-B
PC side USB connection
3.1.3 RS485 connection
No special settings are required
Equipment needed
Controllers
Controllers IG-NT-BB IG-NTC-BB IS-NTC-BB IM-NTC-BB IM-NT-BB
Connection
applicable
Available
ports
More info IG/IS/IM-NTC-BB - Communications (page 12)
Controllers IG-NT IG-NTC IM-NT IS-NT-BB
Connection
applicable
Available
ports
More info IG-NTC - Communication, Terminals (page 21)
NO YES YES YES NO
external bridge RS485(2) RS485(2) RS485(2) external bridge
NO YES NO YES
RS485(1)
RS485(1)
RS485(1) RS485(2)
RS485(2)
IS-NT-BB -
Communications,
Terminals (page 23)
Note: Direct RS485 connection is not possible for some controllers, however RS485 connection is available for
all mentioned controllers via RS232/485 connection (I-LB+) (page 31).
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Controller setup
(Setpoints/Comms settings group)
RS232(2) mode = DIRECT
RS485(2) conv. = ENABLED
Equipment
Equipment needed
Controller side -
Connection RS 485 cable (page 82) - Twisted pair, length up to 1 km
PC side Converter RS485/RS232 or USB
Note: RS485 connection can be used for gen-set control for longer distance. IG-NT-BB has no possibility of
direct connection to RS485 bus. This controller provides RS232 port only. External converter from RS232 to
RS485 is needed.
3.1.4 Ethernet connection (Direct)
The Internet (Ethernet) connection is a point-to-point connection between a PC and a controller or site via an
TCP/IP protocol-based network. The physical configuration of such network can be a small local area ethernet
network as well as the Internet.
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Controllers
Controllers IG-NT-BB IG-NTC-BB IS-NTC-BB IM-NTC-BB IM-NT-BB
Connection
applicable
Available
ports
More info IG/IS/IM-NTC-BB - Communications (page 12)
Controllers IG-NT IG-NTC IS-NT-BB IM-NT
Connection
applicable
Available
ports
Note: Ethernet connection is available for all mentioned controllers via external bridge or IB-NT (see Ethernet
connection via IB-NT on page 34).
Number of clients connected simultaneously
2 clients with InteliMonitor or WebSupervisor (Comap/TCP protocol)
2 clients with web interface
Using a web browser
NO YES YES YES NO
external bridge ETHERNET ETHERNET ETHERNET external bridge
NO NO NO NO
external bridge external bridge external bridge external bridge
Ethernet connection to controller makes possible using any web browser for basic monitoring and adjustment of
the controller. Simply put the IP address of the module into the address line in your web browser like
http://192.168.1.254 and then enter access code. In case of connection from web browser there is 5 minutes
timeout after closing the browser window. After that the client is automatically logged out.
Ethernet connection settings
Parameters can be set via any type of connection (USB, RS232, Ethernet). Setup is provided via InteliMonitor.
For Ethernet connection set these parameters in Comms Settings group:
Note: The IP addresses of the controllers must be accessible from the remote computer. If the remote
computer is connected into another LAN segment than the gen-sets are, there must be a gateway(s) that enable
direct traffic between the segments. If the remote computer is connected via Internet, then the internet gateway
of the LAN where gen-sets are connected must have public IP address, must allow incoming traffic and must
provide port forwarding from the external public IP to the different internal gen-set IPs according to the port
used.
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Image 3.1 Internet gateway configuration example (port forwarding)
Equipment
Controllerside -
Equipment needed
Connection
PCside ETHERNET connection
Ethernet cable (page 85) to LAN, for point to point connection between PC and
controller use cross-wired cable
3.2 Direct PC connection to Multiple gen-sets
3.2.1 RS485 connection
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Controllers
Controllers IG-NT-BB IG-NTC-BB IS-NTC-BB IM-NTC-BB IM-NT-BB
Connection
applicable
Available
ports
More info IG/IS/IM-NTC-BB - Communications (page 12)
Controllers IG-NT IG-NTC IM-NT IS-NTC-BB
Connection
applicable
Available
ports
More info
NO YES YES YES NO
- RS232(2) RS232(2) RS232(2) -
YES YES YES YES
RS232(1)
IG-NT -
Communications,
Terminals (page 20)
RS232(1)
RS232(1) RS232(2)
RS232(2)
IG-NTC - Communication, Terminals
(page 21)
Communications,
Terminals (page 23)
IS-NT-BB -
Controller setup
(Setpoints/Comms settings group)
RS232(2) mode = DIRECT
RS485(2) conv. = ENABLED
Note: IG-NT-BB has no possibility of direct connection to RS485 bus. This controller provides RS232 port only.
External converter from RS232 to RS485 is needed.
Equipment
Equipment needed
Controller side -
Connection RS 485 cable (page 82) - Twisted pair, length up to 1 km
PC side RS232 connection, Converter RS485/RS232
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