E5jK Digital Controller Read Protocol

Appendix C

 

 

 

 

 

 

 

 

 

Offset

Contents (data format)

Data

 

 

 

 

 

 

 

 

+0

Number of receive data words

0002

 

 

 

 

(4 digits BCD)

 

 

 

 

 

 

 

 

 

+1

Set point during SP ramp

Set point lower limit to upper limit

 

 

 

 

(4 digits BCD)

 

 

 

 

 

 

 

 

Read MV (Sequence No. 002)

Reads the MV (manipulated variable) for heating and cooling and stores the results in the specified words.

Send Data Word Allocation (2nd Operand of PMCR)

First word of send +0

data

+1

Number of send data words

(Undefined)

Unit No.

Offset

Contents (data format)

Data

 

 

 

+0

Number of send data words

0002 (fixed)

 

(4 digits BCD)

 

 

 

 

+1

Unit No. (2 digits BCD)

00 to 31

Receive Data Word Allocation (3rd Operand of PMCR)

Receive data

+0

Number of receive data words

storage words

 

 

+1

MV (heating)

 

 

 

 

 

+2

MV (cooling)

 

 

 

Offset

Contents (data format)

Data

 

 

 

+0

Number of receive data words

0003

 

(4 digits BCD)

 

 

 

 

+1

MV (heating) (4 digits BCD)

F050 to 1050, 0000 to 1050 for

 

 

heating/cooling control

 

 

F indicates a negative value.

 

 

 

+2

MV (cooling) (4 digits BCD)

F050 to 1050

 

 

F indicates a negative value.

 

 

 

Read Set Point (Sequence No. 003)

Reads the set point and stores the results in the specified word.

Send Data Word Allocation (2nd Operand of PMCR)

First word of send +0

data

+1

Number of send data words

(Undefined)

Unit No.

Offset

Contents (data format)

Data

 

 

 

+0

Number of send data words

0002 (fixed)

 

(4 digits BCD)

 

 

 

 

+1

Unit No. (2 digits BCD)

00 to 31

Receive Data Word Allocation (3rd Operand of PMCR)

Receive data

+0

Number of receive data words

storage words

 

 

+1

Set point

 

 

 

 

Offset

Contents (data format)

Data

 

 

 

+0

Number of receive data words

0002

 

(4 digits BCD)

 

 

 

 

+1

Set point (4 digits BCD)

Set point lower limit to upper limit

Read Alarm Value (Sequence No. 004)

Reads alarm value 1 and alarm value 2 and stores the results in the specified words.

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Omron CQM1H-SCB41 operation manual Read MV Sequence No, Read Set Point Sequence No, Read Alarm Value Sequence No