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Goals and Symptoms
For ATV71 in FVC mode and Brake Logic, how many encoder pulses will cause a Braking Speed alarm (Load mvt al)(BSA)? The user manual says there is a "fixed minimum threshold". What is the threshold?
Facts and Changes
ATV71 FVC Brake Logic
Causes and Fixes
In fact the drive translate the encoder signal into a frequency, we cannot said a encoder pulse even if there is a relation between pulse and speed.
BSA is activate in close loop when BRHB4 is set and with a threshold fixed to 0,2Hz. Furtheremore to reset BSA you have to power off the drive and power on.