3–34

“B” Group: Fine Tuning Functions

Software Lock Mode

Configuring

Drive Parameters

 

 

The software lock function keeps personnel from accidentally changing parameters in the inverter memory. Use B031 to select from various protection levels.

The table below lists all combinations of B031 option codes and

 

 

 

 

Run

 

the ON/OFF state of the [SFT] input. Each Check ✔ or Ex ✘

 

 

 

Mode

 

indicates whether the corresponding parameter(s) can be edited.

 

 

 

Edit

 

The Standard Parameters column below shows access is permit-

 

 

 

 

 

 

✘

 

ted for some lock modes. These refer to the parameter tables

 

 

 

 

 

 

✔

 

throughout this chapter, each of which includes a column titled

 

 

Run Mode Edit as shown to the right. The marks (Check ✔ or

 

 

 

 

 

 

Ex ✘) under the “Run Mode Edit” column title indicate whether access applies to each parameter as defined in the table below. In some lock modes, you can edit only F001 and the Multi-speed parameter group that includes A020, A220, A021–A035, and A038 (Jog). However, it does not include A019, Multi-speed operation selection. The editing access to B031 itself is unique, and is specified in the right-most two columns below.

B031

[SFT]

Standard Parameters

F001 and

 

B031

Multi-Speed

 

Lock

Intelligent

 

 

 

 

 

 

 

 

 

 

 

Mode

Input

Stop

Run

Stop & Run

Stop

 

Run

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

00

OFF

✔

Run mode

✔

✔

 

✘

 

 

 

edit access

 

 

 

 

 

 

 

 

 

 

 

 

 

ON

✘

✘

✘

✔

 

✘

 

 

 

 

 

 

 

 

01

OFF

✔

Run mode

✔

✔

 

✘

 

 

 

edit access

 

 

 

 

 

 

 

 

 

 

 

 

 

ON

✘

✘

✔

✔

 

✘

 

 

 

 

 

 

 

 

02

(ignored)

✘

✘

✘

✔

 

✘

 

 

 

 

 

 

 

 

03

(ignored)

✘

✘

✔

✔

 

✘

 

 

 

 

 

 

 

 

NOTE: Since the software lock function B031 is always accessible, this feature is not the same as password protection used in other industrial control devices.