InteliATS
NT
PWR, SW version 1.0, ©ComAp – March 2009 64
IA-NT- PWR-1.0-Reference Guide R1.pdf
Up to 10 meters: Recommended to use standard Null-modem cable for local
connection between controller and remote display, although the three wires
(TxD, RxD, GND) RS 232 connection is enough for direct communication:
IA-NT/IL-NT/ID-Lite connector (D-SUB9 female) IL-NT-RD connector (D-SUB9 female)
RxD 2 3 TxD
TxD 3 2 RxD
GND 5 5 GND
Remote RS485 and/or direct RS232 connection
HW module: IL-NT-RS232-485
Up to 1000 meters (only with RS485):
Case 1) RS232 / Master controller settings:
ControllerAddr = 1..32
COM1 Mode = DIRECT
Case 2) RS485 / Master controller settings:
ControllerAddr = 1..32
COM2 Mode = DIRECT
Case 3) RS232 + RS485 / Master controller settings:
ControllerAddr = 1..32
COM1 Mode = DIRECT
COM2 Mode = DIRECT
It is possible to make a RS232 direct connection with IL-NT-RS232 module on one side and IL-NT-
RS232-485 module on the other side.
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