Misoperation Prevention And Parameter Setting Restriction; Reset Selection/Disconnected Pu Detection/Pu Stop Selection (Pr. 75) - Mitsubishi Electric FR-A760 Series Instruction Manual

Misoperation prevention and parameter
setting restriction

4.22 Misoperation prevention and parameter setting restriction

Purpose
Limit reset function
Trips 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

4.22.1 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 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
1 Enabled only when the fault occurs
2 Reset input always enabled
3 Enabled only when the fault occurs
14
(initial Reset input always enabled
value)
15 Enabled only when the fault occurs
16 Reset input always enabled
17 Enabled only when the fault occurs
100 * Reset input always enabled
101 * Enabled only when the fault occurs
102 * Reset input always enabled
103 * Enabled only when the fault occurs
114 * Reset input always enabled
115 * Enabled only when the fault occurs
116 * Reset input always enabled
117 * Enabled only when the fault occurs
* Available with the FR-A760-01040 or more.
292
Parameter that must be Set
Reset selection/disconnected
PU detection/PU stop selection
Parameter write disable
selection
Reverse rotation prevention
selection
Display of applied parameters
and user group function
EEPROM write selection
Initial
Setting Range
Value
00840 or
0 to 3, 14 to 17
less
14
0 to 3, 14 to 17,
01040 or
100 to 103,
more
114 to 117
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.
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
292
295
296
296
318
Reset Limit
Not function
Function