Instruction Manual αlpha-pH2000D
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11.4 Appendix 4 – General instructions concerning Controller Setting
11.4.1 Control characteristic of Controllers used as limit value switch
Xp = 0
Xp = 0
0%
50%
100% Yh
-Xw
+Xw
SP 2SP 1
MIN function MAX function
11.4.2 Control characteristic of P-Controllers as proportional controller
Xp
0%
50%
100% Yh
-Xw
+Xw
Xp
Prop. band Prop. band
SP
SP 1
MIN function MAX function
11.4.3 Control characteristic of PI-Controllers as proportional integral controller
SP1 SP 2
10%
Proportional. band
X
P
Prop. band
X
P
20%
25%
100%
50%
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