Rs232/485 Connection (I-Lb+) - ComAp InteliSys NTC Basebox Communications Manual

3.2.2 RS232/485 connection (I-LB+)

Note: Comms extension - I-LB+ Local bridge (page 64)
controllers interconnected via CAN(2) intercontroller bus. It is also possible to use I-LB+ for single controller
connection.
I-LB+ hardware setup
(all jumpers in those positions)
HW/SW control
ComAp/ModBus
ADDR1/ADDR2
DIRECT/MODEM Open
RS485/RS232
Comm. speed.
RS485 120 Ohm
CAN 120 Ohm
IGS-NT Communication Guide
No matter
Open
Selection of CAN address. Open = ADDR1, Close = ADDR2
It is possible to use up to two I-LB+ devices in direct mode on CAN(2) bus. Let jumper
open in case of using one I-LB+ module. Other I-LB module has to have this jumper
closed. (read more about Comms extension - I-LB+ Local bridge (page
Selection of communication port (jumper is in RS232 or RS485 position)
No matter
Open = terminator not connected, Close = terminator connected
Open = terminator not connected, Close = terminator connected
enables monitoring and configuration up to 32
64))
31