Mitsubishi Electric FR-HC2-7.5K Instruction Manual page 100

(1) Reset selection
 You can select the enable condition of reset function (RES signal, reset command through communication) input.
 When Pr. 75 is set to any of "1, 3, 15, 17", a reset can be input only when the converter is tripped.
NOTE
 Inputting the reset signal (RES) during operation also resets the inverter. The motor coasts since the inverter being
reset shuts off the output. Also, the cumulative value of the electronic thermal relay is cleared.
 The reset key of the parameters is only valid when the converter is tripped, independently of the Pr. 75 setting.
(2) Disconnected PU detection
 This function detects that the PU (FR-DU07-CNV/FR-PU07) has been disconnected from the converter for 1s or longer
and causes the converter to provide a fault output (E.PUE) and to trip.
 When Pr. 75 is set to any of "0, 1, 14, 15", operation continues if the PU is disconnected.
NOTE
 When the PU has been disconnected since before power-ON, it is not judged as a fault.
 To make a restart, confirm that the PU is connected and then reset the converter.
 When RS-485 communication operation is performed through the PU connector, the reset selection/PU stop selection
function is valid but the disconnected PU detection function is invalid.
(3) PU stop selection
 When Pr. 75 is set to any of "14 to 17",
 When the converter is stopped by the PU stop function, "
(4) How to restart the motor stopped by
Converter output
Operation
panel
OFF
SOF
Stop/restart example for external operation
 The motor can be restarted by making a reset using a power supply reset or RES signal.
Do not reset the converter while the inverter start signal is being input.
Otherwise, the motor will start suddenly after resetting, leading to potentially hazardous conditions.
input from the PU stops the converter.
input from the PU (PU stop (PS) reset method)
Time
Key
Key
ON OFF
CAUTION
Description of parameters
" is displayed. A fault output is not provided.
(a) Operation panel (FR-DU07-CNV)
1) Turn SOF signal ON and stop the converter operation.
2) Press
••••••( reset)
3) Turn SOF signal OFF and restart the converter
operation.
(b) Parameter unit (FR-PU07)
1) Turn SOF signal ON and stop the converter operation.
2) Press
EXT
••••••( reset)
3) Turn SOF signal OFF and restart the converter
operation.
3
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