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 (→ 10
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:
► Only use cable glands, insulation material and connection wires that have an
appropriate protection rating�
► Adhere to ISO 14119 for interlocking devices associated with guards�
► Adhere to the principle of normally closed operation for all external safety
circuits connected to the system�
► The device must not be installed or operated in the environment of strong
magnetic fields�
► Do not use the device as an end stop�
► In case of faults within the sensor which result in the defined safe state: Take
measures to maintain the safe state when the complete control system contin-
ues to be operated�
► Sensors and actuators must be protected from strong shocks and vibrations�
Observe the permissible environmental conditions (→ 10 Technical data)�
► Annual function test (→ 12 Maintenance, repair and disposal)�
► Replace damaged units�
2.2 Radio equipment
In general, the device must not be used in the vicinity of petrol stations, fuel de-
pots, chemical plants or blasting operations�
► Do not transport and store any flammable gases, liquids or explosive substanc-
es near the unit�
