IGS-NT Communication Guide
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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.
3
rd
party 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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