K3Tj Intelligent Signal Processor Protocol

Appendix I

 

 

 

Connections

The connections used for the K3Tj Intelligent Signal Processor Protocol are shown below.

RS-232C Connections

CQM1H

K3Tj

Serial Commu- nications Board RS-232C port

Signal name

Abbreviation

Signal

Pin No.

 

 

direction

 

 

 

 

 

Protective ground or earth

FG

1

 

 

 

 

Signal ground or common return line

SG

7

 

 

 

 

Send data

SD

Output

2

 

 

 

 

Receive data

RD

Input

3

 

 

 

 

Request to send

RS

Output

4

 

 

 

 

Clear to send

CS

Input

5

 

 

 

 

Data set ready

DR

Input

6

 

 

 

 

Data terminal ready

ER

Output

20

Serial Communications

Intelligent Signal

Processor

Board

 

RS-232C: D-sub 9-pin female

Signal Pin

Name No.

Shielded cable

RS-232C: Terminal block

Termi- Signal nal. Name

MAX232C or equivalent

Note 1. The connection configuration is a one-to-one configuration and the maximum cable length is 15 m.

2. Use shielded twisted-pair cable (AWG28i or greater).

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Omron CQM1H-SCB41 operation manual Connections, Signal name Abbreviation Pin No Direction