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Misoperation prevention and parameter setting restriction
5.19 Misoperation prevention and parameter setting restriction
Purpose
Limits reset function
Stops from operation panel
Prevention of parameter rewrite
Prevention of reverse rotation of the motor
Displays necessary parameters
Parameter restriction using password
Control of parameter write by
communication
5.19.1 Reset selection/PU stop selection (Pr. 75)
You can select the reset input acceptance and operation panel stop function.
Parameter
Number
Reset selection/PU stop
75
selection
The above parameters can be set when Pr. 160 User group read selection = "0". (Refer to page 197)
This parameter allows its setting to be changed during operation in any operation mode even if "0 (initial value) or 1" is set in Pr. 77 Parameter write
selection. Also, if parameter (all) clear is executed, this setting will not return to the initial value.
Pr. 75
Setting
0, 2
Reset input is always enabled
1, 3
Reset input is enabled only when the fault occurs.
14(initial value), 16
Reset input is always enabled
15, 17
Reset input is enabled only when the fault occurs.
(1)
Reset selection
You can select the enable condition of reset function (reset command through CC-Link communication) input.
When Pr. 75 is set to any of "1, 3, 15, 17", a reset can be input only when the inverter is tripped.
NOTE
When the reset is input during operation, the motor coasts since the inverter being reset shuts off the output.
When reset is performed, cumulative values of electronic thermal O/L relay, regenerative brake duty are cleared.
on the operation panel is only valid when the inverter is tripped, independently of the Pr.75 setting.
(2)
PU stop selection
Set Pr. 75 = "14" to "17" to enable
modes.
When the inverter is stopped by the PU stop function, "
After the motor is stopped from the PU, it is necessary to perform PU stop (PS) reset to restart. PS reset can be made from
the operation panel.
PS reset can be also made by resetting the power or transmitting a reset command via CC-Link communication. The
motor can restart after the PS reset.
When Pr. 75 is set to any of "0 to 3", PU stop (PS display) is invalid, deceleration to a stop by
operation mode.
REMARKS
During operation in the PU operation mode through USB communication, the motor decelerates to stop (PU stop) when
entered from the operation panel
194
Reset selection/disconnected PU
detection/PU stop selection
Parameter write disable selection
Reverse rotation prevention selection
Display of applied parameters and
user group function
Password function
EEPROM write selection
Name
Initial Value
Reset Selection
on the operation panel to command emergency stop in PU and Network operation
.
Parameter that should be Set
Setting Range
14
0 to 3, 14 to 17
Pressing
in the PU operation mode.
Pressing
either of the PU or Network operation mode.
" (PS) is displayed. A fault output is not provided.
Pr. 75
Pr. 77
Pr. 78
Pr. 160,
Pr. 172 to Pr. 174
Pr. 296, Pr. 297
Pr. 342
Description
For the initial value, reset always enabled,
and with operation panel stop function are
set.
PU Stop Selection
decelerates the motor to a stop only
decelerates the motor to a stop in
is valid only in the PU
Refer to Page
194
196
197
197
199
110
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