Omron CP1H-X40D - Page 761

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Connections to Serial Communications Option Boards Appendix F
1:N Connections Using RS-422A/485 Ports
Signal Pin
CPU Unit
RS-422A/
485
Option
Board
Device supporting RS-422A/485
communications (2-wire)
Terminal block
Signal
RS-422A/
485 inter-
face
D-sub, 9-pin
connector (male)
Signal
Pin
Pin
Device supporting
RS-422A/485
communications
(2-wire)
Signal
RS-422A/
485 inter-
face
Shield
Shield
Device supporting
RS-422A/485
communications
(4-wire)
Signal
RS-422A/
485 inter-
face
Device supporting
RS-422A/485
communications
(4-wire)
RS-422A/
485 inter-
face
Signal
Signal
Pin
RS-422A/
485 inter-
face
CPU Unit
RS-422A/
485
Option
Board
Terminal block
B500-AL001-E Link Adapter
Pin
Signal Signal
Shield
RS-422A
RS-422A
RS-422A