Stop Button On Terminal Box Basic - Siemens SIMATIC HMI 177 Operating Instructions Manual

Operator elements and displays
5.1 Mobile Panel
The Stop or Emergency Stop circuit switching statuses for a connected Mobile Panel 177
without a STOP button and Terminal Box Plus are:
Mobile Panel 177
Connected
Not connected
Warning
Disconnecting the Mobile Panel 177
If you disconnect the Mobile Panel 177 from the Terminal Box Plus, the Stop or Emergency
Stop circuit is closed and the Stop status of the system being monitored will be nullified. This
occurs irrespective of whether the STOP button has been pressed on the Mobile Panel 177.
Notice
Approximately 100 ms elapse between the time the STOP button is pressed and the Stop
contacts respond at the Terminal Box Plus.
5.1.4.3

STOP button on Terminal Box Basic

Introduction
In contrast to the Terminal Box Plus, the "Stop loop through" function is not implemented on
the Terminal Box Basic. Relays, such as those contained on the Terminal Box Plus are thus
not required.
Figure 5-8
5-8
STOP button
Not present
Not present
Terminal Box Basic
Status of the Stop or Emergency Stop circuit
The Stop or Emergency Stop circuit remains closed.
The Stop or Emergency Stop circuit remains closed.
Mobile Panel 177 (WinCC flexible)
Operating Instructions (Compact), Edition 07/2005