Mitsubishi Electric FR-A820-00046 Instruction Manual page 415

Parameters
Disabling parameter write (Pr. 77 = "1")
● Parameter write, parameter clear and all parameter clear are disabled. (Parameter read is enabled.)
● The following parameters can be written even if Pr. 77 = "1".
Pr.
22
75
77
79
160
296
297
Tab. 5-77:
Writing during operation is disabled. To change the parameter setting value, stop the operation.
FR-A800
Name
Stall prevention operation level
Reset selection/disconnected PU
detection/PU stop selection
Parameter write selection
Operation mode selection
User group read selection
Password lock level
Password lock/unlock
Parameters, that can be written even if Pr. 77 = 1
(E) Environment setting parameters
Pr. Name
345, 346 (DeviceNet communication)
496, 497 (Remote output)
656 to 659 (Analog remote output)
805 Torque command value (RAM)
806 Torque command value (RAM, EEPROM)
997 Fault initiation
5 - 213