5
UK
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 (→ 9
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 GF711S with 2 M12 fixing nuts,
1 original instructions GF711S, ident no� 80236521�
If one of the above-mentioned components is missing or damaged, please contact
one of the ifm branch offices�
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