68
Chapter 5
535-PROF User's Manual
Controller Set Up
SELF TUNE
Parameter
Description
Values
1. TYPE
Self tuning algorithm type
2. PRETUNE
Pretune algorithm type
3. TUNE PT.
PV value at which output switches off (TYPE 1)
4. OUT. STEP
Output step size in absolute percent (TYPE 2 or 3)
5. LOW LIMIT
Lower limit for PV during pretune (before aborting)
6. HI LIMIT
Upper limit for PV during pretune (before aborting)
7. TIMEOUT
Execution time limit for pretune (before aborting)
8. MODE
Control mode after pretune is completed or aborted
9. NOISE BND.
Noise band for adaptive tuning algorithm
10. RESP. TIME
Response time for the adaptive tuning algorithm
11. DEAD TIME
Wait time for process initiation (POWERBACK)
SPECIAL
Parameter
Description
Values
1. AUTO. TRIP
Trip to automatic control from manual control upon start up
2. TRIP DEV
Deviation from setpoint for a trip to automatic
3. DES. OUTPT.
Output value after the trip
4. POWER UP
Control mode upon power up
5. PWR. UP:REC.
Recipe to use after power up.
6. PWR. UP:RUN
Selected recipe status after power up
7. PWR. UP: OUT.
Output of the controller if powering up in manual mode
8. PWR. UP:SP
Setpoint upon power up
9. NO. OF SP
Number of local setpoints (up to 8) to be stored for selection