Siemens SCALANCE X-200 사용자 설명서

Safety notices

1.1

Important notes on using the device

Safety notices on the use of the devices

The following safety notices must be adhered to when setting up and operating the device

and during all work relating to it such as installation, connecting up, replacing devices or

opening the device.

General notices

WARNING

Safety extra low voltage
The equipment is designed for operation with Safety Extra-Low Voltage (SELV) by a

Limited Power Source (LPS). (This does not apply to 100 V...240 V devices.)
This means that only SELV / LPS complying with IEC 60950-1 / EN 60950-1 / VDE 0805-1

must be connected to the power supply terminals. The power supply unit for the equipment

power supply must comply with NEC Class 2, as described by the National Electrical Code

(r) (ANSI / NFPA 70).
There is an additional requirement if devices are operated with a redundant power supply:
If the equipment is connected to a redundant power supply (two separate power supplies),

both must meet these requirements.

WARNING

Opening the device
DO NOT OPEN WHEN ENERGIZED.

General notices on use in hazardous areas

WARNING

Risk of explosion when connecting or disconnecting the device
EXPLOSION HAZARD
DO NOT CONNECT OR DISCONNECT EQUIPMENT WHEN A FLAMMABLE OR

COMBUSTIBLE ATMOSPHERE IS PRESENT.

SCALANCE X-200
Operating Instructions, 12/2011, A5E00349864-19