Operator elements and displays
5.1 Mobile Panel
Mobile Panel 177 (WinCC flexible)
Operating Instructions (Compact), Edition 07/2005
5-9
Caution
If the Mobile Panel 177 is connected, the Stop or Emergency Stop circuit is controlled via the
STOP button. If the connecting cable of the Mobile Panel 177 is disconnected from the
Terminal Box Basic, the Stop or Emergency Stop circuit is interrupted and a safe shutdown
of the system being monitored or Emergency Stop is executed.
Switching states of the Stop or Emergency Stop circuit with Terminal Box Basic
The Stop or Emergency Stop circuit switching statuses for a connected Mobile Panel 177
with a STOP button and Terminal Box Basic are:
Mobile Panel 177 STOP button Status of the Stop or
Emergency Stop circuit
Connected Not pressed The Stop or Emergency Stop
circuit remains closed.
Connected Pressed The Stop or Emergency Stop
circuit is open.
The system being monitored is
shut down.
Not connected - The Stop or Emergency Stop
circuit is open.
The system being monitored is
shut down.
The stop circuit switch states for a connected Mobile Panel 177 without a STOP button and
Terminal Box Basic are:
Mobile Panel 177 STOP button Status of the Stop or
Emergency Stop circuit
Connected Not present The Stop or Emergency Stop
circuit remains closed.
Not connected Not present The Stop or Emergency Stop
circuit is open.
The system being monitored is
shut down.
Warning
If you have shut down the system, you can only release the STOP button or place the
system being monitored back into operation if the condition triggering the Stop function has
been corrected and a safe restart is provided for.
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