Woodward ProAct P Series FL, Инструкция по установке, программированию и устранению неисправностей, Страница: 91 / 110

Manual 26659 ProAct P-Series FL Position Controller
Woodward 81
Problem Description Possible Source Possible Action
Not controlling at
desired position
setpoint (cont.) Wiring fault or ground loop Check the wiring.
Look for loose connections and disconnected or
misconnected cables and connections.
Remove all wiring except the position command
and power input and verify
operation/functionality.
Analog input signal inaccuracy Measure the analog command voltage to verify
that it is at the expected value. Use the Service
Tool to verify that input is being read correctly.
Output shaft is bound or sticking Manually verify full shaft movement. Use the
“verify position” function of the Service Tool
(Chapter 4).
Discrete output not
working Wiring fault
Configuration Check the wiring leading to the TB for open,
ground, or input power connections, for or a
misconnection.
Using the Service Tool, verify that the faults and
shutdowns are selected properly and that the
output is configured for expected operation
(either normally “on” or normally “off”).
Troubleshooting Diagnostic Flags
Error Flag Description Possible Source Possible Action
Internal Shutdown All internal shutdowns will
set this flag.
The actuator is defective. Return unit to Woodward.
Run Enable
(Run/Stop)
shutdown The Run/Stop input is in
the ‘Stop’ state. Incorrect voltage at the Run/Stop
input.
Incorrect discrete input
configuration.
Input is incorrectly wired.
The actuator’s input is damaged. Verify voltage level at connector.
Check configuration of input
including active high/low, and
active open/closed settings.
Verify reading of input using
Service Tool.
Return unit to Woodward for
repair.
Loss of Position
Demand All configured position
demand signals have
been detected as out of
range or failed. Incorrect configuration.
Inputs invalid or failed. Check configuration of demand
selection.
Check troubleshooting of each
input below (e.g. PWM Input
Fault).
Demand Tracking
Fault The configured demand
signals are not tracking
each other within the
configured tolerances. Incorrect configuration.
Inputs invalid or failed.
Demand signals not matching,
incorrectly sent or scaling problem.
Device not sending demand signals
that track each other.
Incorrect configuration. Check configuration of demand
tracking.
Verify demand inputs in Service
Tool. Make sure they are
tracking each other.
Correct signals to ensure they
track within configured limits.
Verify configuration. Check
Demand Tracking settings.