FNL 5 / 31
1.4 Safe Use
WARNING
Damage and serious personal injury due wrong power supply
FNL is designed exclusively for PELV operation according to EN 60950 /
EN 60204 / VDE 0805-1
èOnly protective extra-low voltages according to the defined standards
may be used to supply and connect the alarm contact.
NOTICE
Electrostatic discharge
The device contains components that can be damaged or destroyed by
electrostatic discharge
èWhen handling the device, observe thenecessary safety precautions
against electrostatic discharge (ESD), in accordance with EN 61340-5-1
and EN 61340-5-2, as well asIEC 61340-5-1 and IEC 61340-5-2.
NOTICE
Shielding
The shielding ground of the connected twisted pair cables is electrically
connected to the female connector.
èWhen connecting network segments, avoid ground loops, potential
transfers, and voltage equalization currents via the braided shield.
NOTICE
Damage due to subsequent processing
Avoid subsequent processing of the FNL.
Ø Soldering can cause components to become detached and thus
damage or destroy the module.
Ø Please note that the warranty shall become invalid if the products are
changed technically.
èSpeak to your contact person at the KUNBUS GmbH about customised
solutions.
1.5 Limitation of Liability
Warranty and liability claims will lapse if:
– the product has been used incorrectly,
– damage is due to non-observance of the operating manual,
– damage is caused by inadequately qualified personnel,
– damage is caused by technical modification to the product (e.g.
soldering).
Working with FNL
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