Mitsubishi FR - S500 instruction manual Parameter write inhibit selection, Pr Setting Function

2.10.8 Parameter write inhibit selection

You can select between write-enable and disable for parameters. This function is used to prevent parameter values from being rewritten by incorrect operation.

Parameter	Name	Factory	Setting	Remarks
		Setting	Range
	Parameter
77	write disable	0	0, 1, 2	Setting is enabled when Pr. 30 = "1"
	selection

<Setting>

Pr. 77 Setting		Function
0	Parameter values may only be written during a stop in the PU operation
	mode. (*)
1	Write disabled.
	Values of Pr. 22, Pr. 30, Pr. 75, Pr. 77 and Pr. 79 can be written.
2	Write can be performed	during operation. Write can be performed
	independently of the operation mode.

CAUTION

•* The parameters * screened in the parameter list can be set at any time. Note that the Pr. 70 and Pr. 72 values may be changed during PU operation only.

•If Pr. 77 = 2, the values of Pr. 17, Pr. 23, Pr. 28, Pr. 60 to Pr. 63, Pr. 71, Pr. 79, Pr. 98, Pr. 99, CLr cannot be written during operation. Stop operation when changing their parameter settings.

•By setting "1" in Pr. 77, the following clear operations can be inhibited: Parameter clear

All clear

2

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