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Is it possible to configure certain speed in ATV340 that will be applied to the motor when communication with control channel is lost?

Published date: 28 May 2018

It is possible to use fallback function. It is the speed at which motor will operate when communication is lost. 
How to configure it?
FOr modbus RTU - In fieldbus monitoring set SLL=fallback speed and LFF=xx Hz (fallback speed). 

Modbus timeout is set in parameter TTO

For embedded etherent (ATV340...E)
ETHL = fallback speed, LFF = xx Hz (fallback speed)

For other communication search in SOmove - Error / warning handling - Communication module


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