Connection Examples - Omron CP1H CPU Operation Manual

Connections to Serial Communications Option Boards

Connection Examples

CP1H CPU Unit (Master)
CP1W-CIF01
RS-232C Option Board
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 2
No.
CP1H CPU Unit (Master)
CP1W-CIF01
RS-232C Option Board
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 2
No.
Connections in Loopback Test
Connect the communications ports as shown below.
RS-232C port
Pin
Signal
CP1H CPU Unit (Slave No. 0)
CP1W-CIF11/CIF12
RS-422A/485 Option Board
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
3 4 5 1
No.
CP1H CPU Unit (Slave No. 0)
CP1W-CIF11/CIF12
RS-422A/485 Option Board
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
3 4 5 1
No.
RS-422A/485 port
Pin Signal
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
Pin
2 3 4 5
No.
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.)
RS-422A/485 interface
Pin
2 3 4 5
No.
Shield
Appendix F
1 2 3 4 5
1 2 3 4 5
705