5.2
Parameters
Parameter setting level
Operating manual MIR-491
51
Parameters
Cntr
Name
Value range Description
Default
Pb1
1...9999 Proportional band 1 (heating) in phys. dimensions (e.g. °C)
100
Pb2
1...9999 Proportional band 2 (cooling) in phys. dimensions (e.g. °C)
100
ti1
1...9999 Integral action time 1 (heating) [s]
180
ti2
1...9999 Integral action time 2 (cooling) [s]
180
td1
1...9999 Derivative action time 1 (heating) [s]
180
td2
1...9999 Derivative action time 2 (cooling) [s]
180
t1
0,4...9999 Minimal cycle time 1 (heating) [s]. The minimum impulse is
1/4 x t1
10
t2
0,4...9999 Minimal cycle time 2 (heating) [s]. The minimum impulse is
1/4 x t2
10
SH
0...9999 Neutral zone or switching differential for on-off control
[phys. dimensions)
2
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
Y.Lo
-120...120 Lower output limit [%]
0
Y.Hi
-120...120 Upper output limit [%]
100
Y2
-120...120 2. correcting variable
0
Y.0
-120...120 Working point for the correcting variable [%]
0
Ym.H
-120...120 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 41)
1
oFFS
-120...120 Zero offset
0
PAr.2
Name
Value range Description
Default
Pb12
1...9999
1
Proportional band 1 (heating) in phys. dimensions (e.g. °C),
2. parameter set
100
Pb22
1...9999
1
Proportional band 2 (cooling) in phys. dimensions (e.g. °C),
2. parameter set
100
