Omron CJ2 CPU UNIT - Connection Example; Connections to RS-232 C Ports

A-131
Appendices
CJ2 CPU Unit Hardware User’s Manual
A-4 Connecting to a Serial Port on the CPU Unit
App
A-4-2 Connection Examples
z Connections to RS-232C Ports
RS-232C can also be used to connect two CJ2M CPU Units with a Serial PLC Link.
z Connection Example
FG 1
SD 2
RD 3
RS 4
CS 5
5V 6
DR 7
ER 8
SG 9
1 FG
2 SD
3 RD
4 RS
5 CS
6 5V
7 DR
8 ER
9 SG
CJ2M CPU Unit
RS-232C Option Board
RS-232C
RS-232C
CJ2M CPU Unit
RS-232C Option Board
Signal name
Pin No.
Signal name
Pin No.
CJ2M CPU Unit (Polling Unit)
RS-232C Option Board
CP1W-CIF01
CJ1W-CIF11
DIP SW
SW1: ON (terminating resistance ON)
SW2: OFF (4-wire)
SW3: OFF (4-wire)
SW4: OFF
SW5: OFF (no RS control for RD)
SW6: OFF (no RS control for SD)
RS-422A/485 interface
Shield
Pin
No.
Pin
No.
Signal name
Signal name
Pin
No.
Signal name
RS-422A/485 interface
RS-422A/485 interface
CJ2M CPU Unit (Polled Unit 0)
RS-422A/485 Option Board
CP1W-CIF11/CIF12
DIP SW
SW1: ON (terminating resistance OFF)
SW2: OFF (4-wire)
SW3: OFF (4-wire)
SW4: OFF
SW5: OFF (no RS control for RD)
SW6: ON (RS control for SD)
CJ1M CPU Unit (Polled Unit 1)
CJ1W-CIF11
DIP SW
SW1: ON (terminating resistance ON)
SW2: OFF (4-wire)
SW3: OFF (4-wire)
SW4: OFF
SW5: OFF (no RS control for RD)
SW6: ON (RS control for SD)
RDA RDB SDA
SDB
FG
1 2 3 4 5
RDA RDB SDA
SDB
FG
1 2 3 4 5
RDA RDB SDA
SDB FG
1 2 3 4 5
CJ2M CPU Unit (Polling Unit)
RS-232C Option Board
CP1W-CIF01
CP1W-CIF11
DIP SW
SW1: ON (terminating resistance ON)
SW2: ON (2-wire)
SW3: ON (2-wire)
SW4: OFF
SW5: OFF (no RS control for RD)
SW6: ON (RS control for SD)
RS-422A/485 interface
Shield
Pin
No.
Pin
No.
Signal name
Signal name
Pin
No.
Signal name
RS-422A/485 interface
RS-422A/485 interface
CJ2M CPU Unit (Polled Unit 0)
RS-422A/485 Option Board
CP1W-CIF11/CIF12
DIP SW
SW1: OFF (terminating resistance OFF)
SW2: ON (2-wire)
SW3: ON (2-wire)
SW4: OFF
SW5: OFF (no RS control for RD)
SW6: ON (RS control for SD)
CJ1M CPU Unit (Polled Unit 1)
CJ1W-CIF11
DIP SW
SW1: ON (terminating resistance ON)
SW2: ON (2-wire)
SW3: ON (2-wire)
SW4: OFF
SW5: OFF (no RS control for RD)
SW6: ON (RS control for SD)