Through-beam photoelectric sensor
Operating instructions
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Safety notes
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Read the operating instructions before commissioning.
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Connection, mounting, and setting may only be performed by trained specialists.
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Not a safety component in accordance with the EU Machinery Directive.
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UL: Only for use in applications in accordance with NFPA 79. Adapters listed by UL
with connection cables are available. Enclosure type 1.
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When commissioning, protect the device from moisture and contamination.
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These operating instructions contain information required during the life cycle of
the sensor.
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Correct use
The WSE9(M4)-3 is an opto-electronic through-beam photoelectric sensor (referred to
as "sensor" in the following) for the optical, non-contact detection of objects, animals,
and persons. A sender (WS) and a receiver (WE) are required for operation. If the pro‐
duct is used for any other purpose or modified in any way, any warranty claim against
SICK AG shall become void.
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Commissioning
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Observe the application conditions: Adjust the distance between the sender and
the receiver according to the corresponding diagram [H] (x = sensing range, y =
operating reserve).
If several through-beam photoelectric sensors which are installed next to one ano‐
ther are to be used, we recommend swapping the sender / receiver arrangement
at every second through-beam photoelectric sensor and ensuring that there is suf‐
ficient distance between the through-beam photoelectric sensors. By doing this,
mutual interference can be prevented [cf. F].
8017641 | SICK
Subject to change without notice
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