User manual

FL SWITCH LM
PHOENIX CONTACT 7278_en_01
Statement of Legal Authority
This manual, including all illustrations contained herein, is copyright protected. Use of this
manual by any third party is forbidden. Reproduction, translation, and public disclosure, as
well as electronic and photographic archiving or alteration requires the express written con-
sent of Phoenix Contact. Violators are liable for damages.
Phoenix Contact reserves all rights in the case of patent award or listing of a registered
design.Third-party products are always named without reference to patent rights. The
existence of such rights shall not be excluded.
Internet
Up-to-date information on Phoenix Contact products can be found on the Internet at:
www.phoenixcontact.com
Make sure you always use the latest documentation.
It can be downloaded at:
www.download.phoenixcontact.com
A conversion table is available on the Internet at:
www.download.phoenixcontact.com/general/7000_en_00.pdf
The switch is designed for SELV operation according to IEC 950 / EN 60950 / VDE 0805.
Only SELV according to defined standards may be used to supply and connect the alarm
contact.
The shielding ground of the connected twisted-pair cables is electrically connected with
the front plate. When connecting network segments, avoid ground loops, potential trans-
fers, and voltage equalization currents using the braided shield.
Electrostatic Discharge!
The module contains components that can be damaged or destroyed by electrostatic
discharge. When handling the module, observe the necessary safety precautions
against electrostatic discharge (ESD), in accordance with EN 61340-5-1 and
EN 61340-5-2, as well as IEC 61340-5-1 and IEC 61340-5-2.
Only authorized Phoenix Contact personnel are permitted to open the housing.