Omron CJ - 09-2009 Operation Manual page 707

Connecting to the RS-232C Port on the CPU Unit
Connection with an RS-232C Port
RS-232C connection is also possible when using a Serial PLC Link to connect two CJ1M CPU Units.
Connection Examples
CJ1M CPU Unit (Master)
CJ1W-CIF11
DIP switch
Pin No. 1: ON
(With termination resistance.)
Pin No. 2: OFF (4-wire type)
Pin No. 3: OFF (4-wire type)
Pin No. 4: OFF
Pin No. 5: OFF (No RS control for RD.)
Pin No. 6: OFF (No RS control for SD.)
RS-422A/485 interface
Pin
1
No.
CJ1M CPU Unit (Master)
CJ1W-CIF11
DIP switch
Pin No. 1: ON
(With termination resistance.)
Pin No. 2: ON (2-wire type)
Pin No. 3: ON (2-wire type)
Pin No. 4: OFF
Pin No. 5: OFF (No RS control for RD.)
Pin No. 6: ON (With RS control for SD.)
RS-422A/485 interface
Pin
1
No.
CJ1M CPU Unit
Signal Pin No.
FG 1
SD 2
RD 3
RS 4
CS 5
5V 6
DR 7
ER 8
SG 9
CJ1M CPU Unit (Slave No. 0)
CJ1W-CIF11
DIP switch
Pin No. 1: OFF
(No termination resistance.)
Pin No. 2: OFF (4-wire type)
Pin No. 3: OFF (4-wire type)
Pin No. 4: OFF
Pin No. 5: OFF (No RS control for RD.)
Pin No. 6: ON (With RS control for SD.)
RS-422A/485 interface
Pin
2 3 4 5
No.
CJ1M CPU Unit (Slave No. 0)
CJ1W-CIF11
DIP switch
Pin No. 1: OFF
(No termination resistance.)
Pin No. 2: ON (2-wire type)
Pin No. 3: ON (2-wire type)
Pin No. 4: OFF
Pin No. 5: OFF (No RS control for RD.)
Pin No. 6: ON (With RS control for SD.)
RS-422A/485 interface
Pin
2 3 4 5
No.
CJ1M CPU Unit
Pin No.
CJ1M CPU Unit (Slave No. 1)
CJ1W-CIF11
DIP switch
Pin No. 1: ON
(With termination resistance.)
Pin No. 2: OFF (4-wire type)
Pin No. 3: OFF (4-wire type)
Pin No. 4: OFF
Pin No. 5: OFF (No RS control for RD.)
Pin No. 6: ON (With RS control for SD.)
1 2 3 4 5
Shield
CJ1M CPU Unit (Slave No. 1)
CJ1W-CIF11
DIP switch
Pin No. 1: ON
(With termination resistance.)
Pin No. 2: ON (2-wire type)
Pin No. 3: ON (2-wire type)
Pin No. 4: OFF
Pin No. 5: OFF (No RS control for RD.)
Pin No. 6: ON (With RS control for SD.)
1 2 3 4 5
Shield
Appendix F
Signal
1 FG
2 SD
3 RD
4 RS
5 CS
6 5V
7 DR
8 ER
9 SG
RS-422A/485 interface
Pin
1 2 3 4 5
No.
RS-422A/485 interface
Pin
1 2 3 4 5
No.
659