Omron NT31 NT31C manual Wiring for a Memory Link Connection, NT31/NT31C PC Host link unit

Connecting to the RS-232C Port at the Host Section 4-1

Serial Port B

114

1325

NT31/NT31C

FG

–1

SD	2
RD	3
RS	4
CS	5

–6

SG 7

–8

TRM 9

RDB (+)	10
SDB (+)	11
–	12
–	13
–	14
SDA (–)	15
RDA (–)	16
–
–	–
RSB (+)	23
RSA (–)	24
–	25

(25-pin type)

PC (Host link unit)

Shielding wire		Abbreviation
		FG
	1	–		6
	2	SD	1
	3	RD
	4	RS
*	5	CS
	6	–
	7	–
	8	–
	9	SG

(9-pin type)

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Wiring for a Memory Link Connection

*In case 0V is set for those unit which has CTS setting selector, it is not necessary to shorten between RS and CS.

Cables with connectors that can be used at serial port A:

CV500-CN228 (9-pin⇔25-pin, 2 m)

XW2Z-S002 (9-pin⇔9-pin, 2 m)

Serial Port A

Prepare the adapter cable while referring to the following diagram.

	NT31/NT31C			PC (Host link unit)
1	6
		Abbreviation	Pin number	Shielding wire	Abbreviation
		FG	Connector		Connector
			hood		hood
		−	1		SD
	RS-232C	SD	2		RD	RS-232C
	connector	RD	3		RS	connector
		RS	4		CS
		CS	5		SG

+5V 6

−7

−8

SG 9

(9-pin type)

59

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