PANTRONAdjustable Fork Light Barrier

FSI-085V Fork

The FSI-085V is a variable infrared fork light barrier designed for reliable detection of small parts, edges, labels, and positioning targets in compact industrial equipment. Its fork width can be adjusted from 5 mm to 85 mm, allowing one sensor to adapt to changing product formats. The sensor supports manual and automatic operating modes, includes teach functions for setup flexibility, and uses automatic power adjustment with dirt compensation to help maintain stable performance in harsh environments. Light or dark operation can be selected, and the switching output can be configured as PNP, NPN, or push-pull.

Operating Guide PDF Software

Series Overview

The FSI-085V belongs to Pantron’s variable fork light barrier family and is intended for applications where accurate optical detection is required in a compact, integrated form factor. The adjustable fork geometry makes it useful in converting, packaging, assembly, labeling, and parts-handling equipment where the target size or machine configuration may change over time.

Its modular design and onboard controls provide a practical combination of quick commissioning and deeper configurability. Two buttons and four status LEDs support local setup, while WINconnect software enables expanded programming, diagnostics, software adaptation, and updates from a PC.

Highlights

Variable fork light barrier with continuously adjustable fork width from 5 mm to 85 mm.
Infrared transmit light for dependable detection in compact industrial machinery.
Automatic power adjustment with dirt compensation.
High resolution below 1 mm for precise sensing tasks.
Side-by-side mounting possible without mutual interference.
Selectable light / dark function and configurable PNP, NPN, or push-pull output.

Technical Specifications

Fork width	5 ... 85 mm
Supply voltage	15 ... 30 V DC
Current consumption	< 30 mA
Transmit light	Infrared 880 nm, modulated
Resolution	< 1 mm
Switching frequency	2 kHz

Light immunity	20,000 Lux
Switching output	PNP / NPN 200 mA, short-circuit proof
Connection	3-pin plug M8
Protection class	IP67
Operating temperature	-10 °C ... +60 °C (14 °F ... 140 °F)
Housing material	Aluminium, black anodized

Selectable Functions

Automatic power adjustment with dirt compensation.
TEACH ignore for suppressing unwanted targets or background conditions.
TEACH identify for application-specific target setup.

Manual power adjustment with dirt compensation.
Selectable light / dark switching behavior.
Selectable switching output as PNP, NPN, or push-pull.

Ordering Information

Switching frequency	Order code, fork depth 60 mm	Order code, fork depth 90 mm
4 kHz	FSI-085V060-B3	FSI-085V090-B3
10 kHz	FSI-085V060-S-B3	FSI-085V090-S-B3