
8.4.13
CANopen LED status displays
Information about the CAN bus status can be obtained quickly via the "CAN-RUN" and "CAN-
ERR" LED displays on the front of the inverter.
The meaning can be seen from the tables below.
Inverter not active on the CAN bus (yet)
LED display
Meaning
(CAN-ERR is permanently lit)
Inverter not active on the CAN bus / "Bus Off" state.
(CAN-RUN and CAN-ERR are flickering)
Automatic baud rate detection active.
Inverter active on the CAN bus
The "CAN-RUN" LED indicates the CANopen state:
LED display
CANopen state
(CAN-RUN is blinking every 0.2 seconds)
Pre-Operational
(CAN-RUN and CAN-ERR are flickering)
Operational
(CAN-RUN blinks every second)
Stopped
The "CAN-ERR" LED indicates a CANopen error:
LED display
CANopen error
(CAN-ERR blinks once, then goes off for 1 sec-
ond)
Warning Limit reached
(CAN-ERR blinks twice, then goes off for 1 sec-
ond)
Node Guard Event
(CAN-ERR blinks three times, then goes off for 1
second)
Sync message error (only possible in the "Operational" state)
8.4.14
Resetting the CANopen interface
The following parameter can be used to restart or stop CAN communication. Optionally it is
also possible to reset all CAN parameters to the default state.
Parameter
Name / value range / [default setting]
Info
0x2300
(PAR 508)
Activate network
(Activ. network)
•
Setting can only be changed if controller inhibit is
active.
Restart / stop CAN communication.
•
After successful execution, the value 0 is shown.
0 No action/no error
Only status feedback.
1 Restart with current values
Restart CAN communication with the current values.
2 Restart with standard values
Restart CAN communication with the standard values of the CAN param-
eters (0x1000 ... 0x1FFF and 0x2301). The standard values of these
parameters are saved in the memory module.
5 Stop network communication
Stop CAN communication.
•
The "Stop Remote Node" NMT command is executed. After successful
execution of this command, only the reception of network manage-
ment frames is possible.
10 In progress
Only status feedback.
11 Action cancelled
12 Error
Configuring the network
CANopen
CANopen LED status displays
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