WEST 8800 - 5.2 Parameters

5.2 Parameters
1 Valid for ConF/ othr/ dP = 0. With dP = 1 / 2 / 3 also 0,1 / 0,01 /
0,001 is possible.
Parameter setting level
8800 process controller 61 Parameters
Cntr
Name Value range Description Default
Pb1
1...9999 1
Proportional band 1 (heating) in phys. dimensions (e.g. °C)
100
Pb2
1...9999 1
Proportional band 2 (cooling) in phys. dimensions (e.g. °C)
100
ti1
0,1...9999
Integral action time 1 (heating) [s]
180
ti2
0,1...9999
Integral action time 2 (cooling) [s]
180
td1
0,1...9999
Derivative action time 1 (heating) [s]
180
td2
0,1...9999
Derivative action time 2 (cooling) [s]
180
t1
0,4...9999
Minimal cycle time 1 (heating) [s]. The minimum impulse is
1/4xt1
10
t2
0,4...9999
Minimal cycle time 2 (heating) [s]. The minimum impulse is
1/4xt2
10
SH
0...9999
Neutral zone or switching differential for on-off control
[phys. dimensions)
2
Hys.l
0...9999
Switching difference Low signaller [engineering unit]
1
Hys.H
0...9999
Switching difference High signaller [engineering unit]
1
d.SP
-1999...9999
Trigger point seperation for additional contact ∆ /Y/Off
[phys. dimensions]
100
tP
0,1...9999
Minimum impulse [s]
OFF
tt
3...9999
Motor travel time [s]
60
Y2
-100...100
2. correcting variable
0
Y.Lo
-120...120
Lower output limit [%]
0
Y.Hi
-120...120
Upper output limit [%]
100
Y2
-100...100
2. correcting variable
0
Y.0
-100...100
Working point for the correcting variable [%]
0
Ym.H
-100...100
Limitation of the mean value Ym [%]
5
L.Ym
0...9999
Max. deviation xw at the start of mean value calculation
[phys. dimensions]
8
E.H2O
-1999...9999
Min. temperature for water cooling. Below the set
temperature no water cooling happens
0
t.on
0,1...9999
Impulse lenght for water cooling. Fixed for all values of
controller output.The pause time is varied.
1
t.oFF
1...9999
Min. pause time for water cooling. The max. effective
controller output results from t.on/(t.on+t.off)·100%
10
F.H2O
0,1...9999
Modification of the (non-linear) water cooling characteristic
(see page 50)
1
oFFS
-120...120
Zero offset
0
tEmp
0...9999
Sensor temperature (in engineering units e.g. °C)
With oxygen measurement (O
2
) (see page 70)
750