Omron NT631C manual Wiring When Connecting CPM1, CPM2A, CPM2C, or SRM1, CS1W-SCU31-V1

Connecting to the Host’s RS-422A/485 Port Section 5-2

Wiring When Connecting CPM1, CPM2A, CPM2C, or SRM1

Applicable Units:

CPM1-10CDR-@CPM1-20CDR-@

CPM1A-10CD@-@CPM1A-20CD@-@

CPM1A-30CD@-@CPM1A-40CD@-@

CPM2A-30CD@@-@CPM2A-40CD@@-@

CPM2A-60CD@@-@

CPM2C-10@@@@@@-@CPM2C-20@@@@@@-@

SRM1-C02-V2

Connect to the PLC through a CPM1-CIF11 RS-422A Adapter.

RDA	NT631/NT631C side					PLC side
TRM				Short-circuit tool
			Abbreviation			Abbreviation
					Shielding wire			FG
RDB			RDA (-)			FG
								SG
			TRM			SG	RS-422A
							terminal	SDB
SDA			RDB (+)
						SDB (+) block
		RS-422A/	SDA (-)			SDA (-)		SDA
SDB		485
								RDB
			SDB (+)
		terminal				RDB (+)
		block						RDA
RSA			RSA (-)			RDA (-)
RSB			RSB (+)			(9-pin type)
			Functional
			ground

24V

+DC

For details on handling shield wires, refer to 5-2-8 Handling the Shield on RS- 422A/485 Cables on page 125.

Wiring When Connecting a CS-series Serial Communications Board, CS/

CJ-series Serial Communications Unit, C-series C200HX/HG/HE(-Z)E

Communications Board, CQM1H Serial Communications Board, or

CVM1/CV-series Host Link Unit

Applicable Units:

CS1W-SCU31-V1

CJ1W-SCU31-V1/CJ1W-SCU41(-V1)

CS1G-CPU42/43/44/45-E(V1)

CS1H-CPU63/64/65/66/67-E(V1)

CS1G-CPU42H/43H/44H/45H

CS1H-CPU63H/64H/65H/66H/67H

CS1D-CPU66H/67H (See note.)

C200HE-CPU32/42-(Z)E

C200HG-CPU33/43/53/63-(Z)E

C200HX-CPU34/44/54/64-(Z)E

C200HX-CPU65-ZE/85-ZE

CQM1H-CPU51/61

CV500-LK201 (communications port 2)

Note A Serial Communications Board cannot be installed.

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