1 General safety notes
■
Read the operating instructions before commissioning.
■
Connection, mounting, and configuration may only be performed by trained
specialists.
■
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 Product description
3.1 Intended use
The WTB4FT/WTB4FA is an opto-electronic photoelectric background suppression prox‐
imity sensor (referred to as “sensor” in the following) for the optical, non-contact detec‐
tion of objects, animals, and persons. If the product is used for any other purpose or
modified in any way, any warranty claim against SICK AG shall become void.
3.2 Operating elements and status indicators
Photoelectric proximity sensor with background suppression.
1 GENERAL SAFETY NOTES
20
O P E R A T I N G I N S T R U C T I O N S | WTB4F SingleLine / DoubleLine 8025300.1FCK/2022-02-14 | SICK
Subject to change without notice
en
To Next Page
Loading...
