Notes on Controller Settings
IP244
C79000–B8576–C860–02
4–140
Determining the Controller Parameters
S
K
(a) T
A
[ms] =
3000
°C
s
ms
°C
s
(b) K
R
[0.01] of 200 ° C =
(e) Upper limit of the control zone [°C]= lower limit of the control zone [°C] =
23000 [0.01 °C]
S
K
°C
s
(d) T
D
[s] =
(c) T
N
[4s] =
T
U
[ s ] +
T
A
[ms ]
T
U
[ s ] +
T
A
[ms ]
0.6
2000
ms
s
T
A
[ms ]
200 °C - T
COOL
[°C]
T
sta
[°C] - T
COOL
[°C]
T
U
[ s ] +
T
A
[ms ]
1000
ms
s
1000
ms
s
S
K
1000
ms
s
°C
s
1.665
4s
s
T
U
[ s ]+
Parameters
The calculated values can be entered directly in the messages or in the data blocks A and B. As
an alternative to calculating the parameter, the controller parameters can be determined by
systematic trial and error. A suggested procedure can be found in Fig. 4.9/1.
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