Omron NT631C manual Wiring When Connecting a Host Link Unit 25-pin

Connecting to the Host’s RS-232C Port Section 5-1

Wiring When Connecting a Host Link Unit (25-pin)

Applicable Units:

C200H-LK201-V1

3G2A5-LK201-EV1 C500-LK203 3G2A6-LK201-EV1

CV500-LK201 (communications port 1)

CVM1/CV-series Host Link Unit (CV500-LK201) has two types of connector: a 25-pin connector (communications port 1), and a 9-pin connector (communi- cations port 2). When using the communications port, refer to Wiring for Con- nections other than Memory Link (page 84).

1

5

6

9

NT-AL001 side

	Abbreviation	Pin number
	FG	Connector
		hood
	−	1
RS-232C	SD	2
	RD
connector		3
	RS	4
	CS	5
	+5V	6
	−	7
	−	8
	SG	9

(9-pin type)

Shielding wire

PLC (host link unit) side

Abbreviation Pin number

Connector	FG
hood
1	FG

2SD

3RD RS-232C connector

4RS

5CS

6−

7SG

8−

−	−
−	−
−
−	−
20	ER

(25-pin type)

114

1325

Wiring for Connections Other Than Memory Link

Applicable Units:

CV500-LK201 (communications port 2)

CS1W-SCU21(-V1)

CJ1W-SCU21(-V1)CJ1W-SCU41(-V1)

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

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

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

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

CPM2A-60CD@@-@

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

CQM1-CPU21-E

CQM1-CPU41/42/43/44-EV1

CQM1H-CPU11/21/51/61

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-CPU65H/67H

CJ1G-CPU44/45

CJ1G-CPU42H/43H/44H/45H

CJ1H-CPU65H/66H/67H

CJ1M-CPU11/12/13/21/22/23

C200HS-CPU21/23/31/33

84