Mitsubishi Electric FR-F720P-0.75K to 110K Instruction Manual page 210

(2) Disconnected PU detection
• This function detects that the PU (FR-DU07/FR-PU04/FR-PU07) has been disconnected from the inverter for
longer than 1s and causes the inverter to provide a fault output (E.PUE) and come to trip.
• When Pr. 75 is set to any of "0, 1, 14, 15", operation is continued if the PU is disconnected.
CAUTION
⋅ 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 inverter.
⋅ The motor decelerates to a stop when the PU is disconnected during PU jog operation with Pr. 75 set to any of "0, 1, 14, 15"
(which selects operation is continued if the PU is disconnected).
⋅ 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
• In any of the PU operation, External operation and Network operation modes, the motor can be stopped by
pressing of the PU.
• When the inverter is stopped by the PU stop function, "
• When Pr. 75 is set to any of "0 to 3", deceleration to a stop by
REMARKS
The motor will also decelerate to a stop (PU stop) when
communication with Pr. 551 PU mode operation command source selection set to "1" (PU mode RS-485 terminals).
(4) How to restart the motor stopped by
stop (PS) reset method)
Speed
Operation
panel
STF ON
(STR) OFF
Stop/restart example for external operation
• The motor can be restarted by making a reset using a power supply reset or RES signal.
CAUTION
⋅ Even if Pr. 250 Stop selection is set to other than "9999" to select coasting to a stop, the motor will not coast to a stop but
decelerate to a stop by the PU stop function during external operation.
Do not reset the inverter with the start signal ON. Doing so will cause the inverter to start immediately after a
reset, leading to hazardous conditions.
♦ Parameters referred to ♦
Pr. 250 Stop selection Refer to page 130
Time
Key
Key
CAUTION
Misoperation prevention and parameter
" is displayed. A fault signal is not provided.
is valid only in the PU operation mode.
is input during operation in the PU mode through RS-485
input from the PU in External operation mode (PU
(a) When operation panel (FR- DU07) is used
1)After the motor has decelerated to a stop, turn OFF the
STF or STR signal.
2)Press three times.
(When Pr. 79 Operation mode selection = "0 (initial setting)
or 6"••••••(
cancel)
Pressing it once cancels
mode selection = "2, 3, or 7."
3)Turn ON the STF or STR signal.
(b) Connection of the parameter unit
(FR-PU04/FR-PU07)
1)After the motor has decelerated to a stop, turn OFF the
STF or STR signal.
2)Press .••••••(
EXT
3)Turn ON the STF or STR signal.
setting restriction
when Pr. 79 Operation
canceled)
4
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