Serial Plc Links - Omron CP1E Series User Manual

Serial PLC Links

• Communications mode: Serial PLC Link (Master) or Serial PLC Link (Slave)
Connection with RS-232C Ports
RS-232C connection is also possible when using a Serial PLC Link to connect two CP1E N-type
CPU Units.
CP1E N-type CPU Unit
Built-in RS-232C Port or RS-232C
Option Board
Signal
FG
SD
R
RD
S
RS
2
CS
3
2
5V
C
DR
ER
SG
• Wiring Example Using RS-422A/485 Ports with RS-422A, 4-wire Connections
CP1E N-type CPU Unit
Built-in RS-232C port
CJ1W-CIF11 RS-422A Conversion Unit
DIP SW
SW1: ON (with terminating resistance)
SW2: OFF (4-wire connection)
SW3: OFF (4-wire connection)
SW4: OFF
OFF (no RS control for RD)
SW5:
SW6: OFF (no RS control for SD)
RS-422A/485 interface
Pin
1 2 3 4
CP1E CPU Unit Hardware User's Manual(W479)
Pin
1
2
3
4
5
6
7
8
9
CP1E N-type CPU Unit (Polled Unit No. 0)
CP1W-CIF11 RS-422A/485 Option Board
DIP SW
SW1: OFF (no terminating resistance)
SW2: OFF (4-wire connection)
SW3: OFF (4-wire connection)
SW4: OFF
OFF (no RS control for RD)
SW5:
SW6: ON (with RS control for SD)
RS-422A/485 interface
Pin
5 1 2
Shield
CP1E N-type CPU Unit
Built-in RS-232C Port or RS-232C
Option Board
Pin Signal
1 FG
SD
2
R
RD
3
S
RS
4
2
CS
5
3
2
5V
6
C
7 DR
8 ER
9 SG
CJ1M CPU Unit (Polled Unit No. 1)
CJ1W-CIF11 RS-422A Conversion Unit
DIP SW
SW1:
SW2:
SW3:
SW4:
SW5:
SW6:
Pin
3 4 5
Appendices
ON (with terminating resistance)
OFF (4-wire connection)
OFF (4-wire connection)
OFF
OFF (no RS control for RD)
ON (with RS control for SD)
RS-422A/485 interface
1 2 3 4 5
A-31