Omron SYSMAC CJ1W-SCU21-V1, Operation Manual

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K Digital Controller Read Protocol Appendix F
Receive Data Word Allocation (4th Operand of PMCR(260))
Read Set Point (Sequence No. 003 (Hex 0003))
Reads the set point and stores the results in the specified word.
Send Data Word Allocation (3rd Operand of PMCR(260))
Receive Data Word Allocation (4th Operand of PMCR(260))
Read Alarm Value (Sequence No. 004 (Hex 0004))
Reads alarm value 1 and alarm value 2 and stores the results in the specified words.
Send Data Word Allocation (3rd Operand of PMCR(260))
Offset Contents (data format) Data
+0 Number of receive data words
(4 digits Hex) 0003
+1 MV (heating) (4 digits BCD) F050 to 1050, 0000 to 1050 for heating/cool-
ing control
F indicates a negative value.
+2 MV (cooling) (4 digits BCD) F050 to 1050
F indicates a negative value.
Offset Contents (data format) Data
+0 Number of send data words
(4 digits Hex) 0002 (fixed)
+1 Unit No. (2 digits BCD) 00 to 31
Offset Contents (data format) Data
+0 Number of receive data words
(4 digits Hex) 0002
+1 Set point (4 digits BCD) Set point lower limit to upper limit
Offset Contents (data format) Data
+0 Number of send data words
(4 digits Hex) 0002 (fixed)
+1 Unit No. (2 digits BCD) 00 to 31
Receive data
storage words Number of receive data words
+0
+1
+2
MV (heating)
MV (cooling)
First word of send
data Number of send data words
+0
+1
(Undefined)
Unit No.
Receive data
storage words Number of receive data words +0
+1
Set point
First word of send
data Number of send data words
+0
+1
(Undefined) Unit No.