Omron CP1H-CPU - 05-2006 Operation Manual page 610

Connections to Serial Communications Option Boards
Computer
Signal
Shield
RS-232C
Interface
5-V (+)
power (-)
Programmable Terminal (PT) Connections
Direct Connections from RS-232C to RS-232C Ports
CPU Unit
Signal Pin
Hood
RS-232C
Option
Board
D-sub, 9-pin
connector (male)
• Communications Mode: Host Link (unit number 0 only for Host Link)
NT Link (1:N, N = 1 Unit only)
• OMRON Cables with Connectors:
XW2Z-200T-1: 2 m
XW2Z-500T-1: 5 m
1:1 Connections from RS-422A/485 to RS-422A/485 Ports
CPU Unit
Signal Pin
RS-422A
/485
Option
Board
Terminal block
• Communications Mode: Host Link (unit number 0 only for Host Link)
NT Link (1:N, N = 1 Unit only)
NT-AL001-E Link Adapter
Shield
Signal
Pin Signal
Pin
Signal
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
Pin
Hood
D-sub, 9-pin
connector (male)
Short bar
Signal
Hood
Terminal block or
D-sub connector
B500-AL001-E Link Adapter
Shield
Signal
Pin Signal
Pin
RS-422A/
485
Option
Board
Pin
D-sub, 9-pin
connector (male)
PT
Signal
RS-232C
Interface
(See note 2.)
PT
RS-422A
/485 In-
terface
Appendix F
CPU Unit
Signal
Pin
RS-422A/
485
Option
Board
4-wire
Terminating resistance OFF
CPU Unit
Pin Signal
RS-422A/
485
Option
Board
4-wire
Terminating resistance ON
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