Safety Instructions For Hazardous Areas - Siemens SIPROCESS GA700 Compact Operating Instructions

Connecting
5.2 Electrical connections
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
• Connecting terminals: Connect the terminals according to the terminal assignment table.
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.
Exceptions:
• Circuits of limited energy may also be connected in the energized state in hazardous
• Exceptions for type of protection "Non-sparking nA" (zone 2) are regulated in the
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.
40
WARNING
PE/ground terminal of the socket and power plug match.
Connect the PE/ground conductor first.
WARNING
areas.
relevant certificate.
WARNING
The relevant specifications can be found in the certificates, in Chapter "Technical
specifications (Page 83)" or on the nameplate.
Devices in explosion-proof design
Compact Operating Instructions, 05/2018, A5E35134047-03