Serial Port Com2 - GE IC755CxS06RDx Quick Start Manual

4.6.4.3.2 Serial Port COM2

Interface: RS-232C/485 (default is
RS-485 Half-duplex)
RS-232
Pin #
1
2
3
4
5
†
Full-duplex RS–485 is backwards compatible to
RS–422 mode.
‡
Pins 1-3 and 2-4 are connected internally.
COM1
C755CxSxxCDx Serial Port COM2 Pin-out
GFK-2893K
Signal Name
Signal
Name
(Full-duplex
TXD
RXD
RTS
CTS
SGND
1 2
COM2
Pin 1
QuickPanel
+
RS-485
†
)
TXD+
TXD-
RXD+
RXD-
SG
3 4 5
Pin 5
Quick Start Guide
Signal Name
†
(Half-duplex
‡
DATA+
‡
DATA-
‡
DATA+
‡
DATA-
SG
)
33