GE IC755CS06RD Series Quick Start Manual page 33

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4.6.4.3.2 Serial Port COM2
Interface: RS-232C/485 (default is
RS-485 Half-duplex)
RS-232
Pin #
Signal
Name
1 TXD
2 RXD
3 RTS
4 CTS
5 SGND
†
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 QuickPanel
RS-485
Signal Name
†
(Full-duplex )
TXD+
TXD-
RXD+
RXD-
SG
1 2 3 4 5
COM2
Pin 1 Pin 5
Quick Start Guide
+
Signal Name
†
(Half-duplex )
‡
DATA+
‡
DATA-
‡
DATA+
‡
DATA-
SG
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