Siemens SINAMICS Series Operating Instructions Manual page 400

Operation
9.3 Controlling via the AOP30 operator panel
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.
Parameters disable (factory setting: Not active)
● Active: Parameters cannot be changed unless a password is entered. Parameters are
assigned in the same way as in the operator inhibit lock state. If you try to change
parameter values, the message "Note: Parameters disable active" is displayed. All the
control keys, however, remain enabled.
Access level (factory setting: Expert):
The different parameters required for this complex application are filtered so that they can be
displayed as clearly as possible. You select them according to the access level.
An expert level, which must only be used by expert personnel, is required for certain actions.
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SINAMICS DCM DC Converter
Operating Instructions, 12/2018, A5E34763375A