model 2704 controller installation and operation handbook - Soliton

2704 Controller Loop Set Up
9.2.2. PID Page
Table Number:
9.2.2.
These parameters allow you to set up the PID sets
LP1 SETUP
(PID Page)
Parameter Name Parameter Description Value Default Access
Level
Active PID Set The PID set in current use Set 1 to 3 R/O
Prop Band 1 Proportional Band Set 1 1 to 9999.9
eng units
Integral 1 Integral Time Set 1 Off to 999.9 L1
Derivative 1 Derivative Time Set 1 secs or mins L1
Cutback Low 1 Cutback Low Set 1 Auto to disp. L1
Cutback High 1 Cutback High Set 1 range L1
Manual Reset 1
Cool Gain 1
Manual Reset Set 1 (only
applies to a PD controller)
Relative channel 1/channel
2 Gain Set 1 (e.g. cooling).
Only present if ch 1 and ch 2
are in the same loop
Off, -99.9 to
+100
Installation and Operation Handbook. Part No HA026502 Issue 1.0 Apr-00 9-5
L1
L1
0.1 to 10 L1
An Value 1 Analogue value 1 (see 9.2) L3
The above eight parameters are repeated for set 2 and again for set 3 if the number of PID
sets has been configured to 2 or 3 respectively.
FF Offset Feedforward Offset Value L3
FF Prop Band Feedforward Proportional
Band. This parameter
controls the amount that the
PID can affect the output
L3
FF Trim Limit Feedforward Trim Limit L3
Remote FFwd Remote feedforward L3
1/2 Boundary Sets the level at which PID
set 1 changes to PID set 2
2/3 Boundary Sets the level at which PID
set 1 changes to PID set 2
Loop Brk Time Loop break time Off
On
AutoDroop Comp
Control Hold
Manual reset when Integral
turned off
Control hold flag. Freezes
the control output
Range units
Range units
Manual
Calc
No
Yes
Integral Hold Integral hold flag No
Yes
L3
L3
L3
L3
L3
L3