01/02 AWB8230-1413GB
Start/stop
81
Software protection (SFT)
When you activate the digital input configured as SFT, the
configured parameters cannot be overwritten unintentionally.
X
With PNU b031, specify whether software protection will also
apply to the frequency setting under PNU F001.
X
Then, program one of the digital inputs 1 to 5 as SFT by setting
the corresponding PNU (C001 to C005) to 15.
Under PNU b031, you can specify whether you want to use the
normal or extended parameter setting features in RUN mode. If
you set the value 10 under PNU b031, further parameters are
available which can be modified in the RUN mode. These
additional parameters are marked “
j
” in the “Extended”
column.
Figure 72:
Digital input 3 configured as SFT (software protection)
SFT
FWD
P24
FW
3
Adjustable in RUN mode
Normal
Extended
–
j
PNU
Name
Adjustable in RUN mode
Value
Function
WE
Normal
Extended
b031
Software-
dependent
parameter
protection
–
j
00
Software protection through SFT input;
all functions inhibited
01
01
Software protection through SFT input;
input through PNU F001 possible
02
Software protection without SFT input;
all functions inhibited
03
Software protection without SFT input;
input through PNU F001 possible
10
Extended parameters adjustable in RUN mode
h
There is, however, an alternative method of software
protection available which does not require an SFT input.
For this, enter the value 02 or 03 under PNU b031
depending on whether software protection should also
apply to the frequency setting under PNU F001 or not.
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