Omron CP1H CPU Operation Manual page 724

Connections to Serial Communications Option Boards
• Using NT-AL001 Converting Link Adapters
Computer
Shield
Pin
Signal
RS-232C
RS-232C
Interface
D-sub, 9-pin
connector (male)
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
!Caution Do not use the 5-V power from pin 6 of the RS-232C Option Board for anything but the NT-AL001
Link Adapter. Using this power supply for any other external device may damage the RS-232C
Option Board or the external device.
690
NT-AL001 Link Adapter
Signal Pin
Signal
RS-422A
Terminal block
D-sub, 9-pin
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
Pin
Pin Signal Signal
RS-232C
(See note)
D-sub, 9-pin
connector (male)
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)