Chapter 4 Parameters｜VFD-EL-W
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Carrier Frequency Setting
Increase the carrier frequency to reduce motor noise
Keep Running when Frequency Command is Lost
When the frequency command is lost due to system malfunction, the AC motor drive can still operate.
Applicable for air-conditioning equipment of intelligent buildings
Output Signal during Operation
Brake release when the AC motor drives gives a signal during motor operation. (Signal disappears when
the AC motor drive is free-running.)
General application; mechanical
brake
Provide a signal for operation
status
Output Signal at Zero Speed
When the drive's output frequency is lower than the minimum output frequency, it gives a signal for an
external system or control wiring.
General application; machine
tools
Provide a signal for operation
status
Output Signal at set Frequency
When the drive's output frequency reaches the set frequency, it gives a signal for an external system or
control wiring.
General application; machine
tools
Provide a signal for operation
status
Output Signal at Over-torque
When the motor over-torque is larger than the drive's setting level, it gives a signal to prevent the machine
from damage due to the load.
Machine tools, fans, pumps and
extruders
To protect machines and for
reliable operation
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