ZENER 8000-V Installation Manual
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44
IM00165
Pressure Control Performance
Observation
Corrective Actions
In closed loop the pressure does not
match the desired operating pressure
Verify the analogue input reading matches the
transducer output signal.
A steady state error may be present. Go to
H00 PID
Control
PID-A,
decrease
H02 Integ. time
. A smaller
value will reduce steady state error but may increase
overshoots.
In closed loop operation the pressure is
not stable
Go to
H00 PID Control
PID-A
, increase the
H01 PROP.
BAND
or decrease
H03 Diff time
.
The pressure responds too slowly
Go to
H00 PID Control
PID-A
, decrease the
H01 PROP.
BAND
or decrease the
H02 Integ. time
.
The pressure overshoots or oscillates
momentarily
Go to
H00 PID Control
PID-A
, increase the
H01
PROP. BAND
or decrease the
H03 Diff time
.
Ensure the
C030 ACCEL TIME
and
C031 DECEL TIME
is
similar to the
H02 Integ. time
.
Содержание 8000-V
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