Appendix G

Making the Cable for Connection to a Bar

Code Reader

Refer to the following when making the cable for connection to a bar code reader.

Wiring Method

NT631/NT631C side

Bar code reader side

RS-232C interface

Abbr.

Pin No.

 

 

 

1

SD

2

RD

3

RS

4

CS

5

+5 V

6

 

7

 

8

SG

9

Abbr.

SD

RD

RS

CS

ER

SG

+5 V

When using the +5 V output of serial port A of the NT631/NT631C, limit the cable length to within 2 m. If a cable longer than 2 m is used, connect an external power supply to the bar code reader.

Connector and Related Parts

Use the parts which are specified by bar code reader and following recommended products when making the connecting cable.

Name

Model

Remarks

 

 

 

Connector

XM2A-0901

9-pin type, made by OMRON, PT side

 

 

 

Connector hood

XM2S-0911

9-pin, made by OMRON

 

 

 

Cable

AWG285P IFVV-SB

Multi-core shielded cable, made by Fujikura Ltd.

 

 

 

 

CA-MA-VV-SB 5P28AWG

Multi-core shielded cable, made by Hitachi Cable, Ltd.

 

 

 

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Omron NT631C manual Making the Cable for Connection to a Bar Code Reader, Wiring Method, Connector and Related Parts