Connecting Up; Safety When Connecting Up - Siemens SIMATIC NET SCALANCE LPE9413 Operating Instructions Manual

Connecting up

6.1

Safety when connecting up

Safety notices for operation with a power supply according to NEC Class 2
Operate the device with a power supply according to NEC Class 2. 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 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 /
• 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.
Insulation of external power supplies
Ext. circuits intended to be connected to this device shall be galv. separated from hazardous live
voltage by reinforced or double insulation.
Note
Minimum temperature rating of the cable to be connected to the field wiring terminals, 90 °C.
Notes on operation with PELV (protective extra-low voltage)
You can operate the device with PELV. When connecting the device, observe the safety
information provided below.
SCALANCE LPE9413 Industrial Edge Device
Operating Instructions, 07/2023, C79000-G8976-C703-01
WARNING
Power Source Class 2, PS2) complying with IEC 62368-1 / EN 62368-1 / VDE 62368-1 may
be connected to the power supply terminals.
Electrical Code (r) (ANSI / NFPA 70).
WARNING
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