Siemens SIPROCESS GA700 - Keys with special functions; Cursor and command keys

4.7.1.3 Purging gas failure for operation with type of protection Ex py/pz
WARNING
Purging gas failure for operation with type of protection Ex py/pz
Explosion hazard
In the case of operation with the type of protection Ex py/pz, explosive media can form if the
purging gas fails.
• Disconnect all inlets and outlets in the case that purging gas fails in hazardous areas.
Connecting
4.7Connecting the wall-mounted device
SIPROCESS GA700 rack and wall mounted devices
Compact Operating Instructions, 06/2023, A5E35134047-AB 57