Siemens S120 Manual page 336

Control Units, Control Unit Adapters and operating components
7.8 Basic Operator Panel BOP20
BOP20 keyboard
Table 7- 56 Assignment of the BOP20 keyboard
Key Name
ON
OFF
Functions
Parameter
Raise
Lower
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Meaning
Powering-up the drives for which the command "ON/OFF1",
"OFF2" or "OFF3" should come from the BOP.
Power-down the drives for which the "ON/OFF1," "OFF2," or
"OFF3" commands should come from the BOP.
Note:
The effectiveness of these keys can be defined using the
appropriate BICO parameterization (e.g. using these keys, it is
possible to simultaneously control all of the axes that have been
configured.)
The structure of the BOP control word corresponds to the structure
of the PROFIBUS control word.
The meaning of these keys depends on the actual display.
Note:
The effectiveness of this key to acknowledge faults can be defined
using the appropriate BICO parameterization.
The meaning of these keys depends on the actual display.
The keys are dependent on the actual display and are used to
raise or lower values.
Manual, (GH6), 04/2014, 6SL3097-4AL00-0BP4
AC Drive