Operation selection function parameters

2.10.7 Parameter write disable selection (Pr. 77 )

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

 

 

 

77

Parameter write disable

0

0, 1, 2

Setting is enabled when Pr. 30 = "1"

selection

 

 

 

 

<Setting>

Pr. 77 Setting

Function

0

Write is enabled only 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 is enabled even during operation. Write is enabled independently of

the operation mode.

 

CAUTION

*The shaded parameters in the parameter list always allow setting. 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. 64, Pr. 65,

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

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