9.3.6.2
RS-232C to Third-party Device (Slave)
•
B (TX) to third-party device (Slave) RX
•
D (RX) to third-party device (Slave) TX
•
A (DTR/RTS) to third-party device (Slave) CTS
•
C (CTS) to third-party device (Slave) RTS
•
I/O pack SSCA out (TX) —+—————–+– (RX)
•
I/O pack SSCA out (RX) —+—————-+– (TX)
•
I/O pack SSCA out (DTR/RTS)—+—————+– (CTS)
•
I/O pack SSCA out (CTS) —+—————+– (RTS)
Protocol RS-232C
DTR/TRS
TX
CTS
RX
SCOM
RET
SSCA SIDE
CHANNEL 1
28
30
32
34
26
36
CHANNEL 2
27
29
31
33
25
35
CHANNEL 3
15
17
19
21
13
23
CHANNEL 4
16
18
20
22
14
24
CHANNEL 5
4
6
8
10
2
12
CHANNEL 6
3
5
7
9
1
11
PSCA Modbus Master (Serial Communication) Module
GEH-6855_Vol_II System Guide 297
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