Installation, Connecting Up, Commissioning; Important Notes On Using The Device; Notes On Use In Hazardous Areas - Siemens CP 342-5 Manual

Communications processor for connection of simatic s7-300 / to profibus dp
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Installation, connecting up, commissioning


Important notes on using the device

The following safety notices must be adhered to when setting up and operating the device
and during all associated work such as installation, connecting up, replacing devices or
opening the device.
CP 342-5 FO
Danger from emitted light beam
Never look directly into the opening of the optical transmission diode or the optical fiber.
The emitted light beam could endanger your eyes.

Notes on use in hazardous areas

The device may only be operated in an environment with pollution degree 1 or 2 (see
IEC 60664-1).
The equipment is designed for operation with Safety Extra-Low Voltage (SELV) by a
Limited Power Source (LPS).
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, or 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).
If the equipment is connected to a redundant power supply (two separate power supplies),
both must meet these requirements.
CP 342-5 / CP 342-5 FO
Manual, 07/2017, C79000-G8976-C146-10

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