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1106/05
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7 Operational behaviour if the bus connection fails
T
he operational behaviour if the bus connection fails due to bus OFF,
g
uardin
g
or
heartbeat error can be parameterised. The required behaviour is set with the
parameter
CAN Error Behaviour 388.
Operation mode Function
0 -No reaction Operating point is maintained
1 -Error Switch-off and display of the error report
2 -
Switch-off Status change - "Switched on" to "Operation released",
Drive mechanism is stopped with stopping behaviour
3 -
Quick stop Status change - "Switched on" to "Operation released",
Drive mechanism is stopped with emergency stop ramp
Attention!
The parameter settings
CAN Error Behaviour 388 = "2 – Switch-off"
and "3 – Quick stop" are only relevant if the further paramete
r
Local/Remote 412 = "1 - Control via state machine" has been set as a
supplement.
The error and warning behaviour of the frequency inverter can be parameterised in
various ways. If a failure of the bus system occurs in the setting
CAN Erro
r
Behaviour 388 = "1 – Error", the frequency inverter reports one of the following
errors:
Communication error
Code Meaning
21 Bus OFF
22 Guarding failure
23 Error state
F20
nn Heartbeat failure – nn = node address of the failed subscriber