Omron CP1H CPU

698
Connections to Serial Communications Option Boards Appendix F
Connecting a Host Computer with NT-AL001 Converting Link Adapters
Note We recommend using the following NT-AL001 Link Adapter Connecting Cables to connect to NT-AL001
Link Adapters.
XW2Z-200T-1: 2 m
XW2Z-500T-1: 5 m
Connections to a Modem
5-V (+)
power (-)
NT-AL001 Link Adapter
RS-232C
Interface
RS-232C
Option
Board
Signal
Pin
DIP Switch Settings
Pin 1: ON
Pin 2: ON
(terminating resistance)
Pin 3: OFF (4-wire)
Pin 4: OFF
Pin 5: OFF
Pin 6: OFF
NT-AL001 Link Adapter
RS-232C
Pin
Pin
Pin
Signal
Signal
Signal
Signal
CPU Unit
Computer
RS-422A
(See note)
D-sub, 9-pin
connector (male)
DIP Switch Settings
Pin 1: ON
Pin 2: ON
(terminating resistance)
Pin 3: OFF (4-wire)
Pin 4: OFF
Pin 5: OFF
Pin 6: ON
D-sub, 9-pin
connector (male)
Terminal block
Shield
RS-232C
Signal Pin
Modem
CPU Unit
RS-232C
Option Board