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No.
Failure item
operation
50
Emergency Stop Trip
Remote
No
51
Emergency Stop
operation
PLC-DSP
52
Communication
Alarm
Failure
PLC-HMI
Communication
Alarm
53
Failure
Upstream Main
54
Circuit Breaker
Coast stop
Abnormal Open
Upstream Main
55
Circuit Breaker
Alarm
Open Failure
System
default
Failure definition
thermometry module in
PLC, respectively. When
the connection is loosen,
or PT100 resistor of
transformer is damaged,
PLC will detect the
correspondent
malfunction and feedback
the report.
The emergency stop push
button on control cabinet
is pressed
The external emergency
stop command is effective
PLC disconnects with the
main control system
PLC disconnects with
HMI
MVD receives the open
signal of high voltage
circuit breaker when
running
The upstream main circuit
breaker did not open after
receiving the opening
signal more than 1
seconds
Solutions
Release the emergency stop
push button on control cabinet
Release the remote
emergency stop push button
1. Check the communication
circuit.
1. Check the communication
circuit.
1. Check whether the input
high voltage exists.
2. Check whether the internal
wiring is firm and correct.
1. Check whether the input
high voltage exists.
2. Check whether the internal
wiring is firm and correct.
3. Check if the opening
command is correctly sent.
107
Remarks
System
operation is
configurable,
The system
continues to
operate at the
reference speed
prior to the
disconnection.
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