(ii) When an analog speed command (Not reversible) is enabled (F01 = 1)
As soon as run command is ON, soft start operation starts. As soon as soft start operation is finished,
inverter will keep starting speed as long as reference speed is below starting speed. When the
reference speed (pre-ramp) exceeds the starting speed, the inverter immediately accelerates from the
current speed up to the reference speed (pre-ramp).
Speed
Starting Speed
FWD
ON
SW52-2
ON
Output Gate
ON
L85 H64
H65
F24
Analog speed command
Reference
Speed
Inverter does not start acceleration to the reference speed (pre-ramp) as long as the
reference speed (pre-ramp) does not exceed the stop speed.
(iii) When an analog speed command (Reversible) is enabled (F01 = 2)
During this operation soft start is disabled. When the reference speed (pre-ramp) exceeds the starting
speed, the inverter starts acceleration from starting speed to the reference speed (pre-ramp).
Speed
0
ON
ON
ON
L85 H64 F24
Analog speed
command
Reference
Speed
Starting speed
(F23)
Inverter does not start acceleration to the reference speed (pre-ramp) as long as the
reference speed (pre-ramp) does not exceed the stop speed.
2-42
Summary of Contents for Frenic lift
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