Delta Electronics MVF2000 Series, Руководство по эксплуатации продукта

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