Items Supplied; Functions And Features - Reer PI SQ F-NF Manual De Instrucciones

WARNING
Failure of the safety function
When used outside of the defined environmental conditions, the safety-related
function of the sensor cannot be guaranteed.
► Use only in accordance with the defined environmental conditions (→ 10
Technical data).
Use of the sensor in the vicinity of chemical and biological media (solid, liquid,
gaseous) as well as ionising radiation is not permitted.
Observe the following requirements:
► Take measures to avoid metallic objects being placed on the sensing face
unintentionally.
► Adhere to EN 14119 for interlocking devices associated with guards.
► Adhere to the principle of normally closed operation for all external safety
circuits connected to the system.
► In case of faults within the fail-safe sensor which result in the defined safe
state: take measures to maintain the safe state when the complete control
system continues to be operated.
► Replace damaged units.

3 Items supplied

1 fail-safe sensor PI SQ F-NF with premounted angle bracket,
1 Allen key for fixing the fail-safe sensor onto the angle bracket
1 original operating instructions PI SQ F-NF, ident no. 8540475.
If one of the above-mentioned components is missing or damaged, please contact
one of the ReeR branch offices.

4 Functions and features

The fail-safe inductive sensor PI SQ F-NF detects metal without contact.
Safety function SF: the safe state (output stage switched off; logic "0") is achieved
when undamping greater than or equal to the safe switch-off distance s
Technical data).
Also observe the notes on installation of the sensor (→ 6 Installation).
UK
(→ 10
ar
5