Control Panel; Systembus - Vacon NX Series Applications Manual

arfiff08 power generation
6.7.5

Control Panel

P2.7.5.1 Heartbeat Timeout
The inverter should receive a heartbeat signal from the external control panel once every
second. If the signals are not received and inverter is controlled by external panel, then
the inverter will trip after the set delay with this parameter.
P2.7.5.2 Timeout Reset Delay
The heartbeat timeout fault will be reset automatically after this time if the heartbeat
signal re-appears.
6.7.6

Systembus

P2.7.6.1 Heartbeat Filter Delay
If a slave does not receive a heartbeat signal from the master, it will lock to its current
DC reference and trip after this delay.
P2.7.6.2 Communication Fault Delay
Trip delay from communication problems with systembus option board.
Local contacts: http://drives.danfoss.com/danfoss-drives/local-contacts/
VACON® • 91
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