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Appendix C
E5jK Digital Controller Read Protocol
161
Read MV at Stop Time and at PV Error (Sequence No.013)
Reads the MV at stop time and at PV error and stores the results in the specified words.
Send Data Word Allocation (2nd Operand of PMCR)
First word of
send data
Number of send data words+0
+1
(Undefined)
Unit No.
Offset Contents (data format) Data
+0 Number of send data words
(4 digits BCD)
0002 (fixed)
+1 Unit No. (2 digits BCD) 00 to 31
Receive Data Word Allocation (3rd Operand of PMCR)
Receive data
storage words
Number of receive data words+0
+1
+2
MV at stop time
MV at PV error
Offset Contents (data format) Data
+0 Number of receive data words
(4 digits BCD)
0003
+1 MV at stop time (4 digits BCD) F050 to 1050
F indicates a negative value.
A050 to 1050 for heating/cooling control
A indicates a negative value.
+2 MV at PV error (4 digits BCD) F050 to 1050
F indicates a negative value.
Read MV Limits (Sequence No. 014)
Reads the MV upper limit, MV lower limit, and MV change rate limit and stores the results in the specified words.
Send Data Word Allocation (2nd Operand of PMCR)
First word of
send data
Number of send data words+0
+1
(Undefined)
Unit No.
Offset Contents (data format) Data
+0 Number of send data words
(4 digits BCD)
0002 (fixed)
+1 Unit No. (2 digits BCD) 00 to 31
Receive Data Word Allocation (3rd Operand of PMCR)
Receive data
storage words
Number of receive data words+0
+1
+2
+3
MV upper limit
MV lower limit
MV change rate limit
Offset Contents (data format) Data
+0 Number of receive data words
(4 digits BCD)
0004
+1 MV upper limit (4 digits BCD) MV lower limit + 1 to 1050
0000 to 1050 for heating/cooling control
+2 MV lower limit (4 digits BCD) F050 to MV upper limit –1
F indicates a negative value values.
A050 to 1050 for heating/cooling control
A indicates a negative value.
+3 MV change rate limit
(4 digits BCD)
0000 to 1000