Omron CJ - 08-2008 - Page 707

659
Connecting to the RS-232C Port on the CPU Unit Appendix F
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
FG 1
SD 2
RD 3
RS 4
CS 5
5V 6
DR 7
ER 8
SG 9
1FG
2SD
3RD
4RS
5CS
65V
7DR
8ER
9SG
RS-232C
RS-232C
Signal Pin No. Pin No. Signal
CJ1M CPU Unit CJ1M CPU Unit
1 2 3 4 5 1 2 3 4 5 1 2 3 4 5
RDA− RDB+ SDA− SDB+ FG
RDA− RDB+ SDA− SDB+ FG RDA− RDB+ SDA− SDB+ FG
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
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
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.)
RS-422A/485 interface
Signal name
Signal name Signal name
Shield
Pin
No.
Pin
No.
Pin
No.
1 2 3 4 5 1 2 3 4 5 1 2 3 4 5
RDA− RDB+ SDA− SDB+ FG
RDA− RDB+ SDA− SDB+ FG RDA− RDB+ SDA− SDB+ FG
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.)
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.)
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.)
Signal name
Signal name Signal name
Shield
RS-422A/485 interface
RS-422A/485 interface RS-422A/485 interface
Pin
No.
Pin
No.
Pin
No.