Omron SYSMAC CS1W-SCB41-V1 Operation Manual page 407

CompoWay/F Master Protocol
Connections
Connection methods between a Serial Communications Board or Unit and the K3N@-series Intelligent Signal
Processor are shown below.
RS-232C
• RS-232C connections are one-to-one.
• The max. cable length is 15 m. Use an RS-232C optical interface (Z3RN) when extending the transmission
line beyond 15 m.
• Use shielded, twisted-pair cable.
Serial Communications
Unit/Board
RS-232C
Abbrevi- Pin
ation No.
FG 1
SG 9
SD 2
RD 3
RTS 4
CTS 5
DSR 7
DTR 8
Serial
Communications
Unit/Board
RS-232C
Abbrevi-
ation
SG
SD
RD
RTS
CTS
DSR
DTR
1/
FG
Shell
378
Shield
Pin
No.
9
2
3
4
5
7
8
Shield
Intelligent
Signal
Processor
RS-232C
Pin Abbrevi-
MAX232C or equivalent
No. ation
1 FG
SG
7
2 SD
3 RD
4 RTS
5 CTS
6 DSR
20 DTR
K3N@-@@@@-FLK1
Intelligent
Signal
Processor
RS-232C
MAX232C or equivalent
Pin Abbrevi-
No. ation
5 SG
3 SD
2 RD
7 RTS
8
CTS
6
DSR
4
DTR
K3N@-@@@@-FLK4
Appendix B
TX
RX
TX
RX