Service brief for the exact VL18-54-M-LAS/40a/118/128 designation
Pepperl+Fuchs VL18-54-M-LAS/40a/118/128 is a polarised laser retroreflective sensor used to detect an object across a long reflector path. This service brief separates the confirmed identity of VL18-54-M-LAS/40a/118/128 from the installation choices that must be checked on site. The shared Pepperl+Fuchs main image is an illustrative category montage, not an exact photograph of VL18-54-M-LAS/40a/118/128. Use the complete designation on the fitted label when enquiring or replacing the part.
Technical parameters at a glance
| Technical item | Verified value / selection note |
|---|---|
| Exact model | VL18-54-M-LAS/40a/118/128 |
| Product role | polarised laser retroreflective sensor |
| Effective range | Up to 18 m with specified reflector |
| Laser | Class 1 |
| Principle | Polarised retroreflection |
| Reflector | Confirm H85 or fitted equivalent |
| Variant check | Confirm the complete designation and current manufacturer documentation before replacement. |
1. Capture the installed record
Before ordering VL18-54-M-LAS/40a/118/128, photograph the nameplate and document what is connected on each side of the device. Check supply, signal or mechanical interface, mounting, environmental exposure and the receiving controller. The table is a compact technical reference for VL18-54-M-LAS/40a/118/128; a similar printed string can denote another function, rating or certification. Retain any parameter backup and the current drawing with the maintenance record.
2. Define the process duty
In operation, VL18-54-M-LAS/40a/118/128 is intended to detect an object across a long reflector path. Establish the real input condition, the expected output response and the acceptance limit. Where an accessory, receiver, host card, reflector or magnet is required, include that matched part in the bill of materials. Do not infer that the picture or a neighbouring model code establishes compatibility for VL18-54-M-LAS/40a/118/128.
3. Install and prove
At installation, Align the matched reflector and verify the light/dark output option. Confirm power is isolated where required and compare the connector or terminals against the current manufacturer documentation for VL18-54-M-LAS/40a/118/128. Verify safe-area and hazardous-area boundaries where applicable; the exact certificate and site wiring govern the final decision. Leave enough clearance for the fitted cable and normal service access.
Commission VL18-54-M-LAS/40a/118/128 with an observable, known condition rather than only checking an indicator lamp. Record at least two input states and their controller responses, then test the edge of the real working range where practical. If VL18-54-M-LAS/40a/118/128 is part of a safety or Ex installation, use the site's approved proof-test procedure and exact approval documents. Save settings, photos and measured results so a later replacement can be compared reliably.
4. Send the purchase brief
A useful quotation request for VL18-54-M-LAS/40a/118/128 includes the full code, quantity, site function, connection type, any mating accessory and required approval. Ask the supplier to confirm every changed suffix on a proposed alternative. This page does not declare that other visually similar codes are interchangeable with VL18-54-M-LAS/40a/118/128; each requires its own data and fit review.
Visually related codes
The following model strings resemble VL18-54-M-LAS/40a/118/128 in print. They are collected for search and stock recognition only; electrical and mechanical functions can differ. Verify every complete designation independently.
No additional same-pattern designation is grouped with VL18-54-M-LAS/40a/118/128 in this selection.
Handover note
Keep the final VL18-54-M-LAS/40a/118/128 nameplate photo, fit check and test record with the machine file. Re-check the exact model whenever the host, process or installation environment changes.
