ComAp InteliGen NTC User Manual

Communication Guide, ©ComAp – March 2014 108
IGS-NT Communication Guide 03-2014.pdf
Modbus communication via RS485
Controller’s configuration:
Comms settings:RS232(1) mode = MODBUS-DIRECT
Comms settings:RS232(1)MBCSpd = select of Modbus communication speed
Comms settings:RS485(1)Conv. = ENABLED
Hint:
The RS232/RS485 converter is included in the IG-NTC, IG-EEC and IS-NT controllers (no external
RS232/RS485 converter is needed).
Hint:
RS485 communication line has to be terminated by 120 ohms resistors at both ends – follow converter
user manual. RS485 communication can be used for monitoring and controlling of many controllers via
InteliMonitor.
Modbus communication via RS485 – multiple
controllers
Controller’s configuration:
Comms settings:RS232(1) mode = MODBUS-DIRECT
Comms settings:RS232(1)MBCSpd = select of Modbus communication speed
Comms settings:RS485(1)Conv. = ENABLED
ComAp
controller
PLC
PC
…
RS485
ComAp
controller
No.1
PLC
PC
…
ComAp
controller
No.2
RS485
RS485
RS485
ComAp
controller
PLC
PC
…
RS232
up to 32 controllers

ComAp InteliGen NTC Specifications

General

Brand	ComAp
Model	InteliGen NTC
Category	Controller
Language	English