Omron CP1H CPU

699
Connections to Serial Communications Option Boards Appendix F
1:N Connections Using RS-232C Ports
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
Signal Pin
CPU Unit
Shield
NT-AL001
Device supporting
RS-422A/485
communications
(4-wire)
RS-422A
/485
interface
RS-422A
Shield
DIP SW
Pin 1: ON
Pin 2: ON Terminating
resistance
Pin 3: OFF 4-wire
Pin 4: OFF
Pin 5: OFF
Pin 6: ON
Terminal block
Signal Pin
Signal
Pin
D-sub, 9-pin
connector (male)
(See note)
D-sub, 9-pin
connector (male)
Signal
Signal
RS-232C
RS-422A
/485
interface
RS-232C
Option
Board
Device supporting
RS-422A/485
communications
(4-wire)
Signal
Pin
RS-232C
Shield
NT-AL001
Device supporting
RS-422A/485
communications
(2-wire)
DIP SW
Pin 1: ON
Pin 2: ON Terminating
resistance
Pin 3: ON 2-wire
Pin 4: ON
Pin 5: OFF
Pin 6: ON
RS-232C
Terminal block
Signal Pin
Signal
Pin
D-sub, 9-pin
connector (male)
D-sub, 9-pin
connector (male)
Device supporting
RS-422A/485
communications
(2-wire)
Signal
Signal
(See note)
RS-422A
/485
interface
RS-422A
/485
interface
CPU Unit
Option
Board