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Appendix C
E5jK Digital Controller Read Protocol
164
Offset Contents (data format) Data
+0 Number of receive data words
(4 digits BCD)
Number of units 5 + 1
+1 1st unit
Process value (4 digits BCD)
Scaling lower limit to upper limit
+2 1st unit
Set point during SP ramp
(4 digits BCD)
Set point lower limit to upper limit
+3 1st unit
MV (heating) (4 digits BCD)
F050 to 1050
F indicates a negative value.
0000 to 1050 for heating/cooling
control
+4 1st unit
MV (cooling) (4 digits BCD)
0000 to 1050
+5 1st unit
Set point (4 digits BCD)
Set point lower limit to upper limit
D
D
D
+40
(max.)
8th unit
Set point (4 digits BCD)
Set point lower limit to upper limit
Read Level 1 Parameters 1 (Sequence No. 019)
Reads parameters in level 1 (alarm value 1, alarm value 2 , alarm value 3, proportional band, integral time, and
derivative time) from multiple units and stores the results in the specified words.
Send Data Word Allocation (2nd Operand of PMCR)
(Undefined)
Unit No.
First word of
send data
Number of send data words+0
+1
+2
+3
+9
(Undefined)
Unit No.
Number of units
(Undefined)
Unit No.
~ ~
(max.)
Offset Contents (data format) Data
+0 Number of send data words
(4 digits BCD)
Number of units + 2
+1 Number of units (4 digits BCD) 0001 to 0008
+2 to 9 Unit No. (2 digits BCD) 00 to 31
Receive Data Word Allocation (3rd Operand of PMCR)
Alarm value 1
Receive
data storage
words
Number of receive data words+0
+1
+2
+3
+4
+5
+6
+43
+44
+45
+46
+47
+48
Alarm value 1
Alarm value 2
Alarm value 3
Proportional band
Integral time
~ ~
Alarm value 2
Alarm value 3
Proportional band
Integral time
1st unit
8th unit (max.)
Derivative time
Derivative time