Siemens CP 343-1 - Manual (Page 13)

3 Installation and Commissioning
B3L−13
CP 343-1 Lean for Industrial Ethernet / Manual Part B3L
Release 03/2007
C79000-G8976-C198-04
Note
The hinged front panel must be kept closed during operation.
The module must be installed so that its upper and lower ventilation slits are not
covered, allowing adequate ventilation.
!
Warning
When used under hazardous conditions (zone 2), the devices must be installed in
an enclosure.
To comply with ATEX100a (EN 60079−15), this enclosure must meet the
requirements of at least IP54 in compliance with EN 60529.
WARNING − EXPLOSION HAZARD: DO NOT DISCONNECT EQUIPMENT
WHEN A FLAMMABLE OR COMBUSTIBLE ATMOSPHERE IS PRESENT.
!
Warning
The device is designed for operation with safety extra-low voltage (SELV). This
means that only safety extra-low voltages (SELV) complying with
IEC950/EN60950/ VDE0805 may be connected to the power supply terminals.
The power unit for supplying the device must comply with NEC Class 2 as
described by the National Electrical Code(r) (ANSI/NFPA 70).
The power of all connected power units in total must correspond to a limited power
source (LPS).