Siemens SINAMICS DCM Manual page 370

9.3.7.10 Operator inhibit lock/Parameters disable
Operator inhibit lock/Parameters disable
To prevent the control keys from being operated and parameters from being changed
unintentionally, you can activate an operator inhibit lock/parameters disable using a key-
operated pushbutton. Two key icons appear at the top right of the display when these safety
inhibits are enabled.
Table 9- 12
Inhibit type
No safety inhibit
Operator lock
Parameter disable
Operator inhibit lock + parameters disable
Settings
Figure 9-22 Setting safety inhibits
The "Operator inhibit lock" setting can be changed directly via <F5> ("Change") once you
have selected the selection box.
When "Parameters disable" is activated, you may enter a numeric password (twice). You
must also enter this password when deactivating "Parameters disable".
Operator inhibit lock (factory setting: Not active)
● Active: The parameters can still be viewed, but a parameter value cannot be saved
(message: "Note: Operator inhibit lock active"). The OFF key (red) is enabled. The
LOCAL/REMOTE, ON (green), JOG, CW/CCW, INCREASE, and DECREASE keys are
disabled.
SINAMICS DCM DC Converter
Operating Instructions, 02.2015, A5E34763375/RS-AA/001
Operator inhibit lock/parameters disable
ac.maher.co.ir
9.3 Controlling via the AOP30 operator panel
Online mode
Operation
Offline mode
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