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Operating Instructions ACU
263
22
Operational and error diagnosis
Operation of the frequency inverter and the connected load are monitored continuously. Various
functions document the operational behavior and facilitate the operational and error diagnosis.
22.1
Status display
The green and red light-emitting diodes give information about the operating point of the frequency
inverter. If the control unit is connected, the status messages are additionally displayed by the
display elements RUN, WARN and FAULT.
Status indication
green LED red LED Display
Description.
off
off
-
no supply voltage.
on
on
-
initialization and self-test.
flashing
off
RUN flashing ready, no output signal.
on
off
RUN
operating message.
on
flashing
RUN + WARN Operating message, current
Warning
269
.
flashing
flashing
RUN + WARN Ready for operation, current
Warning
269
.
off
flashing
FAULT
flashing
Last Error
310
of frequency inverter.
off
on
FAULT
Last Error
310,
acknowledge fault.
22.2
Status of digital signals
The status display of the digital input and output signals enables checking of the various control
signals and their assignment to the corresponding software functions, in particular during
commissioning.
Coding of the status of the digital signals
Assignment:
Bit
7
6
5
4
3
2
1
0
Control sig.
8
Control sig.
7
Control sig.
6
Control sig.
5
Control sig.
4
Control sig.
3
Control sig.
2
Control sig.
1
Summary of Contents for active cube 201
Page 1: ...ACTIVE CUBE Operating Instructions Frequency inverter 230 V 400 V 0 25 kW 132 kW...
Page 2: ......
Page 45: ...12 16 Operating Instructions ACU 45...
Page 181: ...12 16 Operating Instructions ACU 181...
Page 284: ......
