KEB COMBIVERT F5

80
The goal is to adjust timer US.17
such that the pre-torque ramp down
phase occurs exactly when the brake
releases and the roll back occurs.
Note: by monitoring LF.86 it is possible
to see what phase the drive is in. A
value of 4 is the ramp up phase and
is controlled by US.17. A value of 3
is the ramp down phase US.18.
When adjusted properly, the brake
should pick, the motor holds the load
for a short period about ¼ second,
and then the acceleration begins.
Enable &
Direction ON
Current
check
300mS
Pretorque
ramp up
timer
US.17
Ramp
down timer
US.18
Enable &
Direction ON
Current
check
300mS
Pretorque
ramp up
timer
US.17
Ramp
down timer
US.18
Initial Start Up