SICK PowerProx Micro WTT2SL Series, Operating Instructions Manual

Page: 22 / 158

2 Safety information
2.1 General safety notes
2.1.1 Safety notes
■
Read the operating instructions before commissioning.
■
Connection, mounting, and setting may only be performed by skilled per‐
son.
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2006/42/EC
NO
SAFETY
Not a safety component in accordance with the EU Machinery Directive.
■
When commissioning, protect the device from moisture and contamination.
■
These operating instructions contain information required during the life cycle of
the sensor.
2.2 Notes on UL approval
The device shall be supplied from an isolating transformer having a secondary overcur‐
rent protective device that complies with UL 248 to be installed in the field rated either:
a) max 5 amps for voltages 0 ~ 20 V (0 ~ 28.3 V peak), or
b) 100 / Vp for voltages of 20 ~ 30 V (28.3 ~ 42.4 V peak).
Alternatively, they can be supplied from a Class 2 power supply.
UL Environmental Rating: Enclosure type 1
2.3 Intended use
The WTT2SL(C) is an opto-electronic photoelectric proximity sensor (referred to as
“sensor” in the following) for the optical, non-contact detection of objects.
The system designer must provide measures to ensure the safety of persons and
systems in accordance with the legal guidelines.
SICK AG assumes no liability for losses or damage arising from the use of the product,
either directly or indirectly. This applies in particular to use of the product that does not
conform to its intended purpose and is not described in this documentation.
2.4 Improper use
• The device does not constitute a safety-relevant device according to the EC Machi‐
nery Directive (2006/42/EC).
• The device must not be used in explosion-hazardous areas.
• Any other use that is not described as intended use is prohibited.
• Any use of accessories not specifically approved by SICK AG is at your own risk.
The device is not suitable for the following applications (this list is not exhaustive):
• As a safety device to protect persons, their hands, or other body parts
• Underwater
• In explosion-hazardous areas
• Outdoors, without additional protection
2
SAFETY INFORMATION
22 O P E R A T I N G I N S T R U C T I O N S | PowerProx Micro - WTT2SL(C) 8021879.1CXK /2021-09-20 | SICK
Subject to change without notice
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