Honeywell SDC Service Manual page 186

Hydraulic Components
186
Example
Coaction of P-part, I-part, adjustment time and sample time
a OPEN position
b Actuator behaviour with
control deviation 50%
adjustment time T
c Actuator behaviour with
control deviation 25 %
adjustment time T
d Adjustment time T
(X = 25%)
W
e Adjustment time T
(X = 50%)
W
f Actuator pulse with control
deviation X = 50%
W
g Actuator pulse with control
deviation X
h P-part
= 7 min.
n
i I-part
= 7 min.
n
x Mixed heating circuit
n
opening (%)
y Action time (min.)
n
SDC / DHC
= 25%
W
EN2H-0221GE51 R0812