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Features

    Non-contact, high-speed, solid-state laser speed and length measurement with no slippage, drift, mechanical wear or maintenance compared with contact wheel / roller systems.

    Unidirectional speed and length measurement.

    UKAS-traceable calibration; accuracy better than 0.05% and repeatability better than 0.02%.

    Rugged industrial design for use in harsh factory environments.

    Available fitted with industry-standard communcations interfaces for easy integration with PLCs and production line equipment.

    Excellent value with low cost of ownership

SPEED & LENGTH MEASUREMENT

InteliSENS® SL Series

 
 
 
 
 
 
 
 
 
InteliSENS® SL Series - with optional AiG2 interface display unit
 
 
 
 
 

Features

 

  • Non-contact, high-speed, solid-state laser speed and length measurement with no slippage, drift, mechanical wear or maintenance compared with contact wheel / roller systems.
  • Unidirectional speed and length measurement.
  • UKAS-traceable calibration; accuracy better than 0.05% and repeatability better than 0.02%.
  • Rugged industrial design for use in harsh factory environments.

 

  • Available fitted with industry-standard communcations interfaces for easy integration with PLCs and production line equipment.

 

  • Excellent value with low cost of ownership.

Additional Information:

 

Introduction

Proton Products InteliSENS® SL Series non-contact, unidirectional speed and length gauges provide extremely accurate speed and length measurements in almost any production environment.

Production processes for wire, cable, web products, woven and non-woven materials, paper, plastic film, tapes, building materials, floorings and labelling can all be measured using the laser Doppler method.

Applications requiring a precise cut-to-length process benefit from the non-slip and highly accurate laser measurement technique which reduces scrap, increases uptime and improves material yield by eliminating product “Give Away” or “Short Length” claims.

InteliSENS® SL Series gauges are money-saving, direct replacements for traditional problematic and high-maintenance contact wheel and roller-type devices and are extremely easy to install and operate. Integration with production line controllers such as PLCs is eased by the availability of a wide variety of industry standard communications interfaces.

Operating principle – Laser surface velocimeter

Proton Products InteliSENS® SL series speed and length gauges illuminate the measured surface with an interference pattern created by the intersection of two laser beams. The alternating bright and dark interference fringes modulate the light scattered by the object with a frequency proportional to the object speed. This scattered light is detected by a photodiode and the electrical signal digitally processed to determine the frequency and hence the speed. Object length is then calculated by integrating the speed measurement over time.

SL-Operating-Principle

Specifications

Model
SL1525
SL3060
SL6060
Units
Stand-off distance 150 300 600 mm
5.91 11.8 23.6 inch
Depth-of-field 25 60 60 mm
0.98 2.36 2.36 inch
Minimum speed 0.1 0.2 0.2 m/min
0.3 0.6 0.6 ft/min
Maximum speed 2500 5000 5000 m/min
8200 16400 16400 ft/min
Specification
Minimum
Typical
Maximum
Units
Accuracy*     0.05 %
Repeatability     0.02 %
Acceleration     500 m/s2
Internal measurement rate     100 kHz
Measurement output interval 40     µs
Laser spot size     3 mm
         
Operating temperature 5   45 °C
41   113 °F
Environmental protection     IP67  
         
Weight     3 kg
    6.6 lb
Length     230 mm
    9.06 inch
Width     130 mm
    5.12 inch
Height     75 mm
    2.95 inch
         
Power supply 15 24 25 VDC
Power consumption     20 W
*only valid if the measured object is positioned within the central 20% of the depth-of-field.

 

Measurement units (end-user configurable) Speed metres/minute feet/minute
Length metres feet yards
Laser safety control inputs Laser External closed contact enables laser diode.
Shutter External closed contact opens laser shutter.
2×Logic inputs (end-user configurable) Electrical Maximum input voltage: +24Vdc
Function Length reset Display hold Length hold
Speed hold Direction Pause
3×Relay outputs (end-user configurable) Electrical Isolated, floating relay contacts
Maximum voltage: 50Vdc Maximum current: 0.5A
Function Gauge OK Laser at temp Shutter open Laser on
Measuring Preset Length 1 Preset Length 2
3×Pulse outputs (end-user configurable) Electrical Opto-isolated differential pairs
Output voltage: 5V or user supplied (up to 24V)
Maximum frequency: 250kHz
Function Quadrature Index
Analogue output (end-user configurable) Electrical Output voltage: 0 to +10V (end-user scalable)
Function Speed Good readings
CANbus communications Connects to an optional Proton Products AiG2 interface display unit
Serial communications RS-232 RS-422 / 485
Optional communications (factory-installed, choice of one) PROFIBUS Ethernet/IP DeviceNET
Optional wireless communications (factory-installed, choice of one) Bluetooth
Other options Forward / reverse roller for direction sensing