
Instruction Manual alpha-pH 1000
37
12.4 Appendix 4
General Instructions Concerning Controller Setting
MIN Function
MAX Function
Xp
Prop. Band
Xp
Prop. Band
SP 1
P2
+Xw
-Xw
Yh
0%
50 %
100 %
Control characteristic of P-Controller as proportional controller
MIN Function
MAX Function
Xp = 0
Xp = 0
SP 1
SP 2
+Xw
-Xw
Yh
0%
50 %
100 %
Control characteristic of P-Controllers as limit value switch
Characteristics of Pulse Length and Pulse Frequency
t
ON
t
OFF
Pulse Length T
Relay
ON
OFF
Time [s]
Controller signal of Pulse length Controllers
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