Siemens LDS 6 Operating Instructions Manual page 9

Electric safety
Improper power supply
Observe the specifications of the examination certificate valid in your country.
Check whether the available power supply is compliant with the power supply specified on the
nameplate and specified in the examination certificate valid in your country.
Opening device in energized state
Danger of explosion in areas subject to explosion hazard.
Only open the device in a de-energized state.
• Check prior to commissioning that the cover, cover locks, and cable inlets are assembled in
Note
The equipment does not provide 500 V insulation between intrinsically safe circuits and ground
as required by EN/IEC 60079-11 Clause 6.3.13.
Materials in the optics housings
Impact or friction of device enclosure
The device enclosure contains aluminum and is considered to constitute a potential risk of
ignition by impact or friction.
• Take precautions to avoid any ignition hazard caused by impact or friction due to the content
The optics housing (transmitter and receiver) is built mainly using stainless or surface treated
steel and an aluminum alloy (content of aluminum >85 %; content of magnesium, titanium and
zirconium <0.7 %) and an O ring made of FKM or FFKM.
LDS 6, Optics Housing CD 6
Operating Instructions, 01/2022, A5E01134377-05
WARNING
WARNING
accordance with the directives.
Exception: Devices having the type of protection "Intrinsic safety Ex i" may also be opened
in an energized state in dust-free hazardous areas when all necessary measures for
explosion protection are ensured.
WARNING
of light metals in the optics housings.
Safety notes
2.2 Safety information
9