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Mitsubishi Electric FR-F740-00023 Instruction Manual: Misoperation Prevention And Parameter Setting Restriction

F700 series.
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4.17 Misoperation prevention and parameter setting restriction

Purpose
Limit reset function
Trips stop when PU is disconnected
Stop from PU
Prevention of parameter rewrite
Prevention of reverse rotation of the
motor
Display necessary parameters
Control of parameter write by
communication
4.17.1 Reset selection/disconnected PU detection/PU stop selection (Pr. 75)
You can select the reset input acceptance, disconnected PU (FR-DU07/FR-PU04/FR-PU07) connector detection
function and PU stop function.
Parameter
Name
Number
Reset selection/disconnected
75
PU detection/PU stop selection
The above parameters can be set when Pr. 160 User group read selection = "0". (Refer to page 173)
The Pr. 75 value can be set any time. Also, if parameter (all) clear is executed, this setting will not return to the initial value.
Pr. 75
Reset Selection
Setting
0
Reset input always enabled
Reset input enabled only when the
1
inverter trips
2
Reset input always enabled
Reset input enabled only when the
3
inverter trips
14
(initial
Reset input always enabled
value)
Reset input enabled only when the
15
inverter trips
16
Reset input always enabled
Reset input enabled only when the
17
inverter trips
100
Reset input always enabled
Reset input enabled only when the
101
inverter trips
102
Reset input always enabled
Reset input enabled only when the
103
inverter trips
114
Reset input always enabled
Reset input enabled only when the
115
inverter trips
116
Reset input always enabled
Reset input enabled only when the
117
inverter trips
Misoperation prevention and parameter
Parameter that must be Set
Reset selection/disconnected
PU detection/PU stop selection
Parameter write selection
Reverse rotation prevention
selection
Display of applied parameters
and user group function
EEPROM write selection
Initial
Setting Range
Value
01160 or
0 to 3, 14 to 17
less
14
0 to 3, 14 to 17,
01800 or
100 to 103,
more
114 to117
Disconnected PU
Detection
If the PU is disconnected,
operation will be continued.
When the PU is
disconnected, the inverter
trips.
If the PU is disconnected,
operation will be continued.
When the PU is
disconnected, the inverter
trips.
If the PU is disconnected,
operation will be continued.
When the PU is
disconnected, the inverter
trips.
If the PU is disconnected,
operation will be continued.
When the PU is
disconnected, the inverter
trips.
setting restriction
Pr. 75
Pr. 77
Pr. 78
Pr. 160, Pr. 172 to Pr. 174
Pr. 342
Description
For the initial value, reset always enabled,
without disconnected PU detection, and
with PU stop function are set.
PU Stop Selection
Pressing
decelerates
the motor to a stop only in
the PU operation mode.
Pressing
decelerates
the motor to a stop in any of
the PU, external and
communication operation
modes.
Pressing
decelerates
the motor to a stop only in
the PU operation mode.
Pressing
decelerates
the motor to a stop in any of
the PU, external and
communication operation
modes.
Refer to
Page
169
172
173
173
195
Reset Limit
(01800 or more)
Not function
4
Function
169

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