Omron CQM1H-SCB41 operation manual Appendix G, Input Signal ground

Models: CQM1H-SCB41

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E5jJ Temperature Controller Protocol

 

Appendix G

 

 

RS-422A

 

 

 

 

 

 

 

 

 

 

 

 

 

Signal name

Abbreviation

Signal direction

Pin No.

 

 

 

 

 

 

 

 

 

 

Send data A

SDA

Output

26

 

 

 

 

 

 

 

 

 

 

Send data B

SDB

Output

25

 

 

 

 

 

 

 

 

 

 

Receive data A

RDA

Input

28

 

 

 

 

 

 

 

 

 

 

Receive data B

RDB

Input

29

 

 

 

 

 

 

 

 

 

 

Signal ground

SG

27

 

Serial Communications

Board

RS-422A: D-sub

E5AJ

 

9-pin female

RS-422A:

Terminating

 

 

Signal

Pin

Terminal Block

resistance

name

No.

Termi- Signal

 

 

 

 

nal name

 

 

Terminating re-

Terminating

Shielded cable

sistance 240

 

 

 

 

 

E5AJ

resistance

 

 

 

RS-422A:

(terminator)

 

 

Terminal Block

 

 

Shielded cable Termi- Signal

 

 

nal name

SN751177N or equivalent

Terminating resis- tance (240 ) is connected via the terminator switch.

Terminator switch

RS-485

Signal name

Abbreviation

Signal direction

Pin No.

 

 

 

 

Terminal A

A

I/O

26, 28

 

 

 

 

Terminal B

B

I/O

25, 29

 

 

 

 

Signal ground

SG

27

Serial Communications

Board

 

RS-485: D-sub

 

E5AJ

Terminating

 

9-pin female

 

Terminat-

RS-485:

 

 

 

Signal

Pin

Terminal Block resistance

ing resis-

name

No.

 

 

 

tance

Termi-Signal

 

 

 

 

nal name

Shielded cable

E5AJ

RS-485:

Terminal Block

Shielded cable Termi- Signal

nal name

SN751177N or equivalent

Terminating resis- tance (240 ) is connected via the terminator switch.

Terminator switch

231

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Image 236
Omron CQM1H-SCB41 operation manual Appendix G, Input Signal ground