General Safety Notes; Notes On Ul Approval; Intended Use; Operating Elements And Status Indicators - SICK WTB4-3P2100S79 Monitoring Betriebsanleitung

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General safety notes

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Notes on UL approval

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Intended use

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Operating elements and status indicators

8027117.1COU/2022-02-14 | SICK
Subject to change without notice
Read the operating instructions before commissioning.
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Connection, mounting, and configuration may only be performed by trained
specialists.
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NO
2006/42/EC
Not a safety component in accordance with the EU Machinery Directive.
SAFETY
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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.
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These operating instructions contain information required during the life cycle of
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the sensor.
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
The WTB4-3P2100S79 is an opto-electronic photoelectric background suppression
proximity sensor (referred to as "sensor" in the following) for the optical, non-contact
detection 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.
Table 4: Operating elements and status indicators
WTB4-3 Pxxx0
No possibility of setting
2
1
Yellow LED: status of received light beam
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Green LED: supply voltage active
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GENERAL SAFETY NOTES
O P E R A T I N G I N S T R U C T I O N S | WTB4-3P2100S79 Monitoring
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