BONFIGLIOLI ACTIVE Cube ACU 401-18 User Manual

21 Operational and Error Diagnosis
Operation of the frequency inverter and the connected load are monitored continu-
ously. Various functions document the operational behavior and facilitate the opera-
tional and error diagnosis.
21.1 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 addi-
tionally displayed by the display elements RUN, WARN and FAULT.
Status Display
green LED
red LED
Display
Description
off off - No supply voltage.
on
on
-
Initialization and self-test.
flashes
off
RUN flashes
Ready for operation, no output signal.
on
off
RUN
Operating message.
on
flashes
RUN + WARN
Operational message, current warning 269.
flashes
flashes
RUN + WARN
Ready for operation, current warning 269.
off
flashes
FAULT flashes
Last error 310 of frequency inverter.
off on FAULT
Last error
310, acknowledge fault.
21.2 Status of Digital Signals
The status display of the digital input and output signals enables checking of the vari-
ous 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
06/13 Operating Instructions ACU 271

BONFIGLIOLI ACTIVE Cube ACU 401-18 Specifications

General

Brand	BONFIGLIOLI
Model	ACTIVE Cube ACU 401-18
Category	Inverter
Language	English