Programming Instructions

Programming screen « SETTINGS » Page 43/74
General programming instructions
c) Dosage mode – P.I.D [1221]
Press to open following screen.
A Dead band
B Limitation of the output
P Calculation of the proportion
I Calculation of the integral
D Calculation of the derivate
Xp Reciprocal proportional value
Td Time of the derivative
Tv Filter constant
Twu Anti-saturation
w Setpoint of regulation
x Measurement value
e Regulation error
y Need regulation
u Dose control
Ti Integral time
Xd Dead band value around setpoint
pH
Setpoint & dosage settings
E01 pH PI1
Proportional
Mode P.I.D
Basic load
Maximum time
Activ threshold
Dead band
Integral
Derivate
Setpoint
1
𝑇𝑖
1
𝑠
𝑇𝑑
𝑠
1
+
𝑇𝑣
𝑠
+
-
𝑒

𝑤
𝑥
𝑋𝑑
+
-
𝑦

𝑦

𝑦

1
𝑇𝑤𝑢
+
𝑢
𝑦
+
-
1
𝑋𝑝
D
P
I
A
B