GE Baker Hughes Masoneilan SVI FF, Инструкция по установке и эксплуатации

Страница: 123 / 264

Masoneilan SVI FF Instruction Manual =
|
123
© 2019 Baker Hughes, a GE company, LLC. All rights reserved.
Troubleshooting Auto Tuning
Table 26 Troubleshooting Auto Tuning
Problem Presumed Cause Remedy See Section
Auto tuning requests are
rejected. The transducer block is not in
manual mode. Change the target mode of
the Transducer block to
Man.
“Transducer
Block Parame-
ters” on
page 149
“Transducer
Block Parame-
ters” on
page 149
If POSITION_LIMITS in enabled
autotune is rejected. Disable the limits and posi-
tion limits parameter (Posi-
tion.Limits_Limits_
Protected) for duration of
Autotune.
“Step 7: Run
Auto Tune
METHOD” on
page 34
Another process is started and
running. Wait until the process
finishes or cancel.
When auto tuning has fin-
ished, the result appears
with a value index:
31: Failed actuation
32: Control limits pro-
tected
33: Failed open loop
tuning
45: P gain below limit
46: P gain adjustment
above limit
55: Bias out of range
66: Fill time exceeded
77: Exhaust time
exceeded
88: Parameter out of
range.
Supply pressure reading is
incorrect.
Supply pressure is not sufficient
for spring range. Adjust supply pressure.
“Quick Start”
on page 31.
“Step 7: Run
Auto Tune
METHOD” on
page 34
If there is nothing wrong
with the air supply pressure
and piping, contact the
nearest service station or
representative office.
—
The search for optimal tuning
parameters was unsuccessful. 1. Redo autotune and
change aggressiveness.
2. Select one of the fine tun-
ing parameters and redo
tuning.
3. Manually tune.
“Quick Start”
on page 31
“Auto Tuning”
on page 48
The span of rotation angle is
incorrect or the 50% position
deviation from the horizontal
level is too large. Correct the installation and
try auto tuning again.
“Installation”
on page 44.
“Operational
Checkout” on
page 77
The valve hysteresis is large. Carry out manual tuning. -