Opening Device In Energized State - Siemens SIPROCESS GA700 Compact Operating Instructions

Loss of explosion protection
Risk of explosion in hazardous areas if the device is open or not properly closed.
• Close the device as described in Installing/mounting (Page 25).
Enclosure open
Risk of explosion in hazardous areas as a result of hot components and/or charged capacitors
inside the device.
To open the device in a hazardous area:
1. Isolate the device from power.
2. Observe the wait time specified in Technical data (Page 87) or on the warning sign before
3. Visually inspect sensor inlet and outlet.
Exception: Devices exclusively having Intrinsic safety (Ex i) may be opened in an energized
state in hazardous areas.
Improper connection after maintenance
Risk of explosion in areas subject to explosion hazard.
• Connect the device correctly after maintenance.
• Close the device after maintenance work.
Refer to Connecting (Page 37).
2.5.4

Opening device in energized state

Opening device in energized state
Risk of explosion in hazardous areas
• Only open the device in a de-energized state.
• Check prior to commissioning that the cover, cover locks, and cable inlets are assembled in
Exception: Devices having exclusively the type of protection "Intrinsic safety Ex i" may also be
opened in energized state in hazardous areas.
SIPROCESS GA700 rack and wall mounted devices
Compact Operating Instructions, 06/2023, A5E35134047-AB
WARNING
WARNING
opening the device.
WARNING
WARNING
accordance with the directives.
Safety notes
2.5 Use in hazardous areas
23