Connecting up
6
6.1 Safety when connecting up
Safety notices
When connecting up the device, keep to the safety notices listed below.
If using power sources according to NEC Class 2 or PS2/LPS complying with UL 62368-1, please
note the following information.
WARNING
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 must meet the requirements for ES1/SELV
and PS2/LPS complying with IEC/UL 62368-1.
The power supply also needs to meet at least one of the following conditions:
• Only safety extra low voltage (SELV) with limited power source (Limited Power Source, LPS /
Power Source Class 2, PS2) complying with IEC 62368-1 / EN 62368-1 / VDE 62368-1 may
be connected to the power supply terminals.
• The power supply unit for the device must meet NEC Class2 according to the National
Electrical Code (r) (ANSI / NFPA70).
If the equipment is connected to a redundant power supply (two separate power supplies),
both must meet these requirements.
WARNING
Do not remove or replace while circuit is live when a ammable or combustible atmosphere is
present.
Note
No light power measurement (PROFINET diagnostics)
The devices do not support diagnostics with light power measurement.
SCALANCE XR-300
Operating Instructions, 03/2023, C79000-G8976-C586-02 55
To Next Page
Loading...
Need help?
General