Safety Instructions For Hazardous Areas; Explosion Hazard Due To Incorrect Infeed - Siemens SIPROCESS GA700 Compact Operating Instructions

Missing PE/ground terminal
Danger of electrocution
If there is no ground terminal, there is a risk of electrocution.
Depending on the device version, connect the power supply as follows:
• Power plug: Ensure that the used socket has a PE/ground terminal. Check that the PE/ground
• Connecting terminals: Connect the terminals according to the terminal assignment table in
5.2.2

Safety instructions for hazardous areas

Connecting the device in energized state
Danger of explosion in hazardous areas.
• Connect devices in hazardous areas only in a de-energized state.
Exception:
• Circuits of limited energy may also be connected in the energized state in hazardous areas.
Improper power supply
Danger of explosion in hazardous areas as result of incorrect power supply, for example, using
direct current instead of alternating current.
• Connect the device in accordance with the specified power supply and signal circuits. The
5.2.2.1

Explosion hazard due to incorrect infeed

Explosion hazard due to incorrect infeed
The use of Power over Ethernet (PoE) is not permitted for Ex e or Ex py devices.
• Only connect the device to an Ethernet without power supply.
Devices in explosion-proof design
Compact Operating Instructions, 01/2022, A5E35134047-11
WARNING
terminal of the socket and power plug match.
the operating instructions. Connect the PE/ground conductor first.
WARNING
WARNING
relevant specifications can be found in the certificates, in Chapter "Technical specifications
(Page 83)" or on the nameplate.
WARNING
Connecting
5.2 Electrical connections
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