Omron CP1H CPU Operation Manual page 725

Connections to Serial Communications Option Boards
1:N Connections Using RS-232C Ports
Computer
Shield
Signal
RS-232C
RS-232C
Interface
5-V (+)
power (-)
Note We recommend using the following NT-AL001 Link Adapter Connecting Cables to connect to NT-AL001
Link Adapters.
XW2Z-070T-1: 0.7 m
XW2Z-200T-1: 2 m
NT-AL001 Link Adapter
Pin Signal Signal Pin
RS-422A
D-sub, 9-pin Terminal block
connector (male)
DIP Switch Settings
Pin 1: ON
Pin 2: ON
(terminating resistance)
Pin 3: OFF
Pin 4: OFF
Pin 5: OFF
Pin 6: OFF
NT-AL001 Link Adapter
RS-232C
Signal
Pin Signal Pin
(See note)
DIP Switch Settings
Pin 1: ON
Pin 2: OFF
Pin 3: OFF
Pin 4: OFF
Pin 5: OFF
Pin 6: ON
NT-AL001 Link Adapter
RS-232C
Pin Pin
Signal Signal
(See note)
DIP Switch Settings
Pin 1: ON
Pin 2: ON
(terminating resistance)
Pin 3: OFF
Pin 4: OFF
Pin 5: OFF
Pin 6: ON
Appendix F
CPU Unit
Pin
Signal
RS-232C
Option
Board
D-sub, 9-pin
connector (male)
CPU Unit
Pin
Signal
RS-232C
Option
Board
D-sub, 9-pin
connector (male)
691