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 Functions related to current input check
Function
Minimum frequency
Multi-speed operation
JOG operation
MRS signal
Remote setting
Retry function
Compensation by addition,
override compensation
Input filter time constant
PID control
Power failure stop
Traverse function
Parameters referred to
Pr.73 Analog input selection, Pr.267 Terminal 4 input
354
5. PARAMETERS
5.9 (T) Multi-function input terminal parameters
When the operation continues, the minimum frequency setting is valid even during current
input loss.
The multi-speed setting signal is prioritized even during current input loss (the motor operates
according to the multi-speed setting even during continuous operation at the predetermined
frequency or during deceleration to a stop).
When the multi-speed setting signal is turned OFF while the input current is lost during the
multi-speed operation, the motor is decelerated to a stop even if the parameter is set to
continue operation when the current input is lost.
JOG operation is prioritized even during current input loss (the motor operation switches to
JOB operation even during continuous operation at the predetermined frequency or during
deceleration to a stop).
When the JOG signal is turned OFF while the input current is lost during the JOG operation,
the motor is decelerated to a stop even if the parameter is set to continue operation when the
current input is lost.
The MRS signal is enabled even during current input loss (output is shut off by turning ON the
MRS signal even during continuous operation at the predetermined frequency or during
deceleration to a stop).
When the operation using the remote setting function is changed to the continuous operation
after the current input is lost, acceleration, deceleration, and clear operations by the remote
setting are disabled. The operations are enabled after restoration of current input.
When the protective function is activated during continuous operation after the current input
is lost and the retry function is used successfully, operation continues without clearing the
frequency setting.
When the operation using compensation by addition or override compensation is changed to
the continuous operation after the current input is lost, compensation by addition or override
compensation is disabled. The operations are enabled after restoration of current input.
The current before the filter time is applied is used for input loss detection.
The current after the filter time is applied is used for continuous operation at the output
frequency before the input loss.
PID calculation is stopped during current input loss. However, PID control is not disabled (the
operation does not return to normal).
During the pre-charge, end determination or fault determination by the pre-charge function is
not performed when the current input is lost.
The sleep function is prioritized even during current input loss. When the clearing condition of
the sleep function is met during current input loss, continuous operation at the predetermined
frequency is restored.
The power failure stop function is prioritized even if current input loss is detected during power
failure.
After the power failure stop and re-acceleration, operation continues at the output frequency
before the input loss.
When the protective function E.LCI is selected when the current input is lost, E.LCI is
activated after the power failure stop.
Traverse operation is performed based on the frequency even during continuous operation
during current input loss.
selectionpage 330
Operation
Refer to
page
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