WARNING
Ris
k of ineffectiveness of the protective device
Please observe the following information to ensure safe and correct use of the device.
b
Special national and international regulations and guidelines apply for the mount‐
ing, use, commissioning, and regular technical inspection of electrical devices
in explosion-hazardous areas, in particular ATEX Directive 2014/34/EU and the
IECEx scheme. Manufacturers of and entities operating machines using the safety
light curtain are responsible for ensuring that all applicable safety regulations and
guidelines are complied with.
b
These operating instructions must be made available to the operator of the
machine on which the device is used. Qualified safety personnel must instruct
the operator on how to use the device. The operator must also be directed to read
and follow the operating instructions.
DANGER
Ris
k of ignition
Failure to observe this instruction can result in a risk of ignition from potential sparking.
b
Ensure that only accessories that are approved for explosion-hazardous areas are
used, e.g., an NFC-capable mobile device or muting lamp, see "Project planning",
page 26.
NOTICE
U
V radiation can reduce the service life and resistance of the front screen. When used
in an explosion proof area, the front screen may not be exposed to any UV radiation
(e.g., sunlight).
b
Select a mounting position in which the front screen is not exposed to UV radia‐
tion.
NOTICE
Mec
hanical loads
The device passes the impact test required by the applicable standards.
Plastic device components must not be subjected to mechanical loads greater than
4 joules.
Transparent parts (front screen) must not be subjected to mechanical loads greater
than 2 joules.
2.2 Correct use
The deTec4 Ex II 3GD safety light curtain is an electro-sensitive protective device (ESPE)
and is suit
able for the following applications:
•
Hazardous point protection
•
Access protection
•
Hazardous area protection
The deTec4 Ex II 3GD safety light curtain must only be used within the limits of the
pr
escribed and specified technical data and operating conditions at all times.
Any instance of improper use, incorrect modification, or manipulation of the deTec4 Ex
II 3GD safety light curtain shall void any warranty provided by SICK AG; furthermore,
SICK AG shall not accept any responsibility or liability for any resulting damage and
consequential damage.
2 S
AFETY INFORMATION
10
O P E R A T I N G I N S T R U C T I O N S | deTec4 Ex II 3GD 8023872/18YZ/2021-01-14 | SICK
Subject to change without notice
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