Tuning
76
Chapter 6
POWERS 535-PROF User's Manual
TUNING
Parameter
Definition
Values
1. SP SELECT
Selects the setpoint used when a recipe is not running or held
2. ADAPTIVE
Activates the self tune algorithm
3. PRETUNE
Activates the pretune algorithm
4. POWR. BACK
Reduces setpoint overshoot at power up or after setpoint changes
5. PROP. BND.:1
Proportional band for PID set 1
6. RESET:1
Integral time for PID set 1
7. RATE:1
Derivative time for PID set 1
8. MAN. RST.:1
Manual reset for PID set 1.
9. CYCLE TM.:1
Cycle time for control output 1 for time proportioning output
10. DEADBAND:1
Dead band for control output 1 for on/off control
11. P. PROP. D.B.
Dead band setting for slidewire position proportioning output
12A. PID OFST.:1
Offset for the first output for duplex applications
12B. ON OFST.:1
Offset for first output for on/off applications
13A. PID OFST.:2
Offset for the second output for duplex applications
13B. ON OFST.:2
Offset for second output for on/off applications
14. REL. GAIN:2
Adjustment factor for the second output’s proportional band
15. CYCLE TM.:2
Cycle time for control output 2 for time proportioning output
16. DEADBAND:2
Dead band for control output 2 for on/off control
17. RSP RATIO
Multiplier for remote set point
18. RSP BIAS
Bias for remote set point
19. NO. OF PID
Number of PID sets
20. PID TRIP
For NO. OF PID > 1, variable used to select the various PID sets
21. TRIP:1
Value that triggers a change to the primary set (#1) of PID values
22. PROP. BND.:2
Proportional band for PID set 2
23. RESET:2
Integral time for PID set 2
24. RATE:2
Derivative time for PID set 2
25. MAN. RST.:2
Manual reset (or load line) for PID set 2
26. TRIP:2
Value that triggers a change to the 2nd set of PID values
27. PROP. BND.:3
Proportional band for PID set 3