Omron SYSMAC CS1W-SCB41-V1 Operation Manual page 590

ES100 @ Digital Controller Protocol
RS-422A/485 Connections
Serial Communications Board
(CS Series only)
Serial Communications Unit
(CS/CJ Series)
RS-422A/485 port
• RS-422A 4-wire Connections
Serial Communications Board/Unit
RS-422A: D-sub
9-pin female
Signal name Pin No.
6
RDA
RDB 8
SDA 1
SDB 2
FG
*1: Set the 2-/4-wire switch
to the 4-wire setting.
*2: Turn ON the terminat-
ing resistance switch.
• RS-485 2-wire Connections
Serial Communications Board/Unit
RS-485: D-sub
9-pin female
Signal name Pin No.
SDA
SBA
FG
Hood
*1: Set the 2-/4-wire switch
to the 2-wire setting.
*2: Turn ON the terminat-
ing resistance switch.
PLC PS
Shield
Shield
1
2
ES100#
→
RS-422A/485
ES100#
→
RS-422A/485
Up to 32 units can be
connected.
ES100#
→
RS-422A/485
ES100#-#04#
RS-422A
Terminal Block
Terminal Signal name
24 SDA
SDB
25
RDA
16
17 RDB
24
25
16
17
ES100#-#04#
RS-485
Terminal Block
Terminal
16
17
Appendix K
SDA
Next
SDB
ES100
RDA
RDB
Next
ES100
561