Communication Guide, ©ComAp – March 2014 57
IGS-NT Communication Guide 03-2014.pdf
1x USB and 1x RS232/RS485
Jumper selection tree
ComAp / ModBus – selects between ComAp PC tools (InteliMonitor, WinScope, ...) and third party
PC SW for monitoring:
- ComAp
o Direct / Modem – selects between direct connection (via RS232 or RS485) and
modem connection type
DIRECT
RS232 / RS485 – selection of serial communication type
ADR1 / ADR2 – selection between two available local communication
channels; if I-LB+ is used, the USB communication automatically
occupies the other channel
MODEM
HW / SW control – selection between modems with full interface
ADR1 / ADR2 – selection between two available modem
communication channels; IG/IS-NT controllers only, in ID the
secondary modem channel not available
Setting RS232 / RS485 jumper to RS232 position is obligatory
- ModBus (not available at USB port of I-LB+, USB port always works in ComAp mode)
o Direct / Modem – selects between direct connection (via RS232 or RS485) and
modem connection type
DIRECT
RS232 / RS485 – selection of serial communication type
ADR1 / ADR2 – selection between two available local communication
channels; if I-LB+ is used, the USB communication automatically
occupies the other channel
MODEM
ADR1 / ADR2 – selection between two available modem
communication channels; IG/IS-NT controllers only, in ID the
secondary modem channel not available
Setting HW / SW control has no influence; a modem with HW control
is always expected in this mode
o ModBus Rate (9600 / 19200 / 38400 / 57600 bps) – selects the communication
speed when ModBus protocol is selected, no matter if in Direct or Modem mode
For more information read IGS-NT accessory modules manual.
Comms extension - IG-IB Internet Bridge
How to establish connection between the IG-IB and InteliMonitor
IP address of IG-IB needs to be set in InteliMonitor in this way if default port number 23 is used:
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