Hitachi L200 User Manual

L200 Inverter

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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 
the ON/OFF state of the [SFT] input. Each Check ✔ or Ex ✘ 
indicates whether the corresponding parameter(s) can be edited. 
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.

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.

00

OFF

✔

Run mode 

edit access

✔

✔

✘

ON

✘

✘

✘

✔

✘

01

OFF

✔

Run mode 

edit access 

✔

✔

✘

ON

✘

✘

✔

✔

✘

02

(ignored)

✘

✘

✘

✔

✘

03

(ignored)

✘

✘

✔

✔

✘

✘

✔