
Reference Data
A-17
SIMATIC 505 PROFIBUS-FMS CP User Manual
You
can enable and disable read or write access to each variable in your
configuration. The Access Rights dialog in the FMS V
ariable input pane
allows you to specify read or write access by password, by groups, or by all.
The effects of these choices with passwords are shown in T
able
A-9.
T
able A-9
Read/W
rite Access to V
ariables with Passwor
d
Read Access Write Access Password Result
n n
0 Read and write access are
permitted.
n
— 0 Only read access is permitted.
—
n
0 Only write access is permitted.
n n
>0 Read and write access are
permitted with a password.
n
— >0 Only read access with password is
permitted.
—
n
>0 Only write access with password
is permitted.
Configuring
Read/Write
Access
to V
ariables
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