Connecting Up; Safety When Connecting Up - Siemens SIMATIC NET SCALANCE XF-200G Operating Instructions Manual

Connecting up

5.1

Safety when connecting up

Safety notices
When connecting up the device, keep to the safety notices listed below.
Power supply
The device is designed for operation with a directly connectable safety extra low voltage (SELV)
from a limited power source (LPS).
The power supply therefore needs to meet at least one of the following conditions:
• Only safety extra low voltage (SELV) with limited power source (LPS) complying with IEC
• The power supply unit for the device must meet NEC Class 2 according to the National
If the equipment is connected to a redundant power supply (two separate power supplies),
both must meet these requirements.
Safety notices on use in hazardous areas
General safety notices relating to protection against explosion
EXPLOSION HAZARD
Do not connect or disconnect cables to or from the device when a flammable or combustible
atmosphere is present.
EXPLOSION HAZARD
Do not press the SET button if there is a potentially explosive atmosphere.
SCALANCE XF-200G
Operating Instructions, 02/2023, C79000-G8976-C676-01
WARNING
60950‑1 / EN 60950‑1 / VDE 0805‑1 or IEC 62368-1 / EN 62368-1 / VDE 62368-1 may be
connected to the power supply terminals.
Electrical Code (r) (ANSI / NFPA 70).
WARNING
WARNING
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