What You Must Note When Installing; Open Facilities - Siemens Logo! Manual

LOGO! installation and wiring
S
Do not connect an external power supply in parallel to
the output load of a DC output. This could develop a
reverse current at the output if you have not installed a
diode or similar barrier device.
S
The CM EIB/KNX must have its own power supply
(24 V).
S
Reliable functioning of the equipment is only ensured
with certified components!
Note
LOGO! units may only be installed and wired by skilled
personnel who are familiar with and follow general
engineering rules and relevant regulations and standards.

What you must note when installing

LOGO! is designed for fixed and enclosed installation in the
housing or the control cabinet.
Warning
!

Open facilities

Death, serious bodily injury or considerable damage to
property can occur.
Modules of a LOGO! are open facilities. This means you
must install LOGO! only in a housing or cabinet.
Access to the housings or cabinets must only be possible
by using a key or a tool and only authorized or approved
personnel may be allowed access.
It is permissible to operate LOGO! from its front at any
time.
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LOGO! Manual
A5E00380835-01