Parameter Write Disable Selection; How To Restart Operation Stopped By Using Stop/Reset On Pu; Parameter Write Disabled; Parameter Write Enabled During Operation - Mitsubishi Electric FR-XC-18.5K-PWM Instruction Manual

How to restart operation stopped by using
warning reset method)
Converter
output
PU
key
OFF
SOF
Stop/restart example for External operation
• The converter is also restarted after performing the reset by turning OFF and ON the power or inputting the RES signal.
CAUTION
 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.
3.5.17
Parameter write disable selection (Pr.77)
Whether to enable the parameter write or not can be selected. Use this function to prevent parameter values from being
rewritten by misoperation.
Pr. Name
77 Parameter write selection
Pr.77can be set at any time regardless of the operation status.
Parameter write disabled (Pr.77 = "1")
• Parameter write is disabled.
(Parameter read is enabled.)
• Parameter clear and All parameter clear are also disabled.
• The parameters listed in the table at right can be written even if
Pr.77 = "1".
Parameter write enabled during operation (Pr.77 = "2")
• The parameters can always be written.
Time
key
ON OFF
Initial value
2
on the PU ("PS" (PU stop)
• For the operation panel (FR-DU08)
1. Turn ON the SOF signal to stop the converter operation.
2. Press .
The indication "LD (PS)"
warning is reset).
3. Turn OFF the SOF signal to restart the converter
operation.
• For the parameter unit (FR-PU07/FR-PU07BB(-L))
1. Turn ON the SOF signal to stop the converter operation.
2. Press .
The indication "LD (PS)"
warning is reset).
3. Turn OFF the SOF signal to restart the converter
operation.
Setting range
1 Parameter write is disabled.
Parameter write is enabled regardless of
2
operation status.
Pr.
0 Simple mode selection
Reset selection / disconnected PU
75
detection / PU stop selection
77 Parameter write selection
Parameter details
on the converter is cleared (the PS
on the converter is cleared (the PS
Description
Name
PARAMETERS
3
101