SICK WL12G-3P3572S12, Operating Instructions Manual

Page: 16 / 111

1 General safety notes
■
Read the operating instructions before commissioning.
■
Connection, mounting, and configuration may only be performed by trained
specialists.
■
2006/42/EC
NO
SAFETY
Not a safety component in accordance with the EU Machinery Directive.
■
Do not install the sensor at locations that are exposed to direct UV radiation
(sunlight) or other weather influences, unless this is expressly permitted in the
operating instructions.
■
When commissioning, protect the device from moisture and contamination.
■
These operating instructions contain information required during the life cycle of
the sensor.
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
3 Intended use
The WL12G-3P3572S12 is an opto-electronic photoelectric retro-reflective sensor
(referred to as “sensor” in the following) for the optical, non-contact detection of
objects, animals, and persons. A reflector is required for it to function. If the product is
used for any other purpose or modified in any way, any warranty claim against SICK AG
shall become void.
WL12G-3P3572S12 is a photoelectric retro-reflective sensor with optional add-on for
detecting transparent objects.
1
GENERAL SAFETY NOTES
16 O P E R A T I N G I N S T R U C T I O N S | WL12G-3P3572S12 8027339/1D6C/2021-11-19 | SICK
Subject to change without notice
en