Siemens SIMATIC HMI Series Operating Instructions Manual page 84

Handling the Mobile Panel
4.4 Pressing the emergency stop / stop button
Procedure
Note
Only press the emergency stop / stop button to avoid imminent danger. If you want to
activate the emergency stop / stop button for test purposes, consult those responsible for the
plant in advance.
1. Press the emergency stop / stop button. The system responds with an emergency stop or
a stop.
2. Release:
Turn the emergency stop / stop button to release it. The button jumps back to its initial
position.
See also
Assigning a safety-related operating mode (Page 142)
SIRIUS safety relays (Page 23)
Terms for fail-safe operation (Page 24)
Important information on emergency stop / stop button (Page 39)
84
WARNING
Release requirements
If you have operated the emergency stop / stop button and thereby shut down the fail-
safe automation system, a situation entailing danger may still remain.
You are only allowed to release the emergency stop / stop button under the following
conditions:
• The cause of the emergency stop / stop has been eliminated.
• A safe hot restart of the fail-safe automation system is possible.
Mobile Panels 2nd Generation
Operating Instructions, 09/2018, A5E33876626-AC