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Speed & Length Measurement

InteliSENS™ SLR mini Series download

InteliSENS™ SLR mini - front view
InteliSENS™ SLR mini - display
InteliSENS™ SLR mini - with mobile phone for size comparison
InteliSENS™ SLR mini - connector panel

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.
  • Bidirectional speed and length measurement; accurately measures speed and length during line stoppage, reversal and creepage.
  • Ultra-compact design with a footprint comparable to a smartphone.
  • Optimized for sheet material and converting applications.
  • UKAS-traceable calibration; accuracy better than 0.05% and repeatability better than 0.02%.
  • Rugged industrial design for use in 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.

Introduction

Proton Products InteliSENS® SLR mini Series non-contact, bidirectional speed and length gauges provide extremely accurate speed and length measurements in almost any sheet material or converting application.

Production processes for web products, woven and non-woven materials, paper, plastic film, tapes, building materials, flooring 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® SLR mini 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® SLR mini 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.

The InteliSENS® SLR mini Series bidirectional speed and length gauges extend this principle by using a high-frequency Bragg cell modulator to illuminate the measured surface with a scanning interference pattern, which generates an oscillating light signal even when the object is stationary. Direction of motion is determined by whether the scattered light frequency is higher or lower than the stationary frequency.

Specifications

Model
SLR mini 1220
SLR mini 3060
Units
Part number00050MC01100050MC012-
Stand-off distance120300mm
4.7211.8inch
Depth-of-field2060mm
0.792.36inch
Minimum speed (bidirectional)50005000m/min
1640016400ft/min
Specification
Minimum
Typical
Maximum
Units
Accuracy*0.05%
Repeatability0.02%
Acceleration500m/s2
Internal measurement rate200kHz
Measurement output interval20µs
Laser spot diameter4mm
Operating temperature545°C
41113°F
Ingress protectionIP67
Weight1.1kg
2.4lb
Length142mm
5.59inch
Width104mm
4.09inch
Height52mm
2.05inch
Power supply152425VDC
Power consumption8W
only valid if the measured object is positioned within the central 20% of the depth-of-field.
Measurement units
(end-user configurable)
Speedmetres/minutefeet/minute
Lengthmetresfeetyards
Laser safety control inputsLaserExternal closed contact to ground enables laser diode.
ShutterExternal closed contact to ground opens laser shutter.
Shutter status outputElectricalN-channel MOSFET pull-down (for connection to user-supplied opto-isolated relay).
Maximum voltage: 30VDCMaximum current: 100mA
FunctionPulled to ground when laser shutter is open.
3×Logic inputs
(end-user configurable)
ElectricalMaximum input voltage: 24VDC
FunctionLength resetDisplay holdLength hold
Speed holdDirectionPause
2×Logic outputs
(end-user configurable)
ElectricalN-channel MOSFET pull-down (for connection to user-supplied opto-isolated relay).
Maximum voltage: 30VDCMaximum current: 100mA
FunctionGauge OKLaser at tempLaser on
MeasuringPreset Length 1Preset Length 2
2×Differential pair pulse outputs
(end-user configurable)
ElectricalOpto-isolated differential pair
Output voltage: 5V or user supplied (up to 24V)
Maximum frequency: 1MHz
FunctionIndependentQuadrature pair
CANbus communicationsConnects to an optional Proton Products CDi interface display unit
Serial communicationsRS-232
Ethernet communicationsModbus protocol
Optional communications (factory-installed, choice of one, replaces standard Ethernet interface)PROFIBUSEthernet/IPDeviceNET

Accessories

Interface display modules

CDi-SL-mini

Display module

  • Connects via the CAN-bus port.
  • Displays measured speed and length.
  • Provides menu-based setting of all parameters.
  • Bright colour LCD dot matrix display

Proton part number:

CAN-bus cable

For connecting the gauge to an CDi interface display unit

  • Available in 5, 10, 15, 20, 30 and 50m lengths.
Name Length / m Proton part number
CAN 9DD-005 5 00041CB005
CAN 9DD-010 10 00041CB010
CAN 9DD-015 15 00041CB015
CAN 9DD-020 20 00041CB020
CAN 9DD-030 30 00041CB030
CAN 9DD-050 50 00041CB050

Power supplies and connectivity

PSU-BOB-SL-mini

Power supply, break-out box and laser safety key switch

  • Connects via the DB25 “INTERFACE” connector.
  • Supplies 24VDC electrical power to the gauge
  • .
  • Provides DB9 connector access to the RS-232, CAN-bus and optional industrial bus communications ports.
  • Provides RJ45 connector access to the Ethernet port.
  • Provides screw terminal access to all electrical input and output pins.
  • End user cables are sealed with three cable glands.
  • Provides a laser enable key switch for compliance with laser safety requirements.
  • Input voltage range: 90 ? 260 VAC @ 45 ? 65 Hz.

Proton part number: 00050MC039/p>

Terminal Strip-DIN

Power supply, break-out box and laser safety key switch

  • ?Breaks out the DB25 “INTERFACE” connector to a DIN rail mountable set of screw terminals.

Proton part number: 00041MC730

DB25 Cable

For connecting the gauge “INTERFACE” port to a PSU-BOB-SL, Terminal Strip-DIN or CS1G-SL

  • Available in 3, 5, 10, 20 and 30 m lengths.
Name Length / m Proton part number
BOB-003 3 00043MC021
BOB-005 5 00041CT005
BOB-010 10 00041CT010
BOB-020 20 00041CT020
BOB-030 30 00041CT030
Terminal Expander (OEM only)

Gauge-mounted break-out box

  • Connects via the DB25 “INTERFACE” connector.
  • Provides DB9 connector access to the RS-232, CAN-bus, Ethernet or optional industrial bus communications ports.
  • Provides screw terminal access to all electrical input and output pins.
  • End user cables are sealed with cable glands.

Proton part number:

RJ45 to DB9 converter
  • For connecting RJ45 8P8C terminated cables to the DB9 EtherNet / IP port.

Proton part number: 00003CM229

Software

PCIS-SL-mini

PC Interface Software

  • PC-based software package.
  • User-friendly graphical user interface.
  • Displays all measurements.
  • Provides menu-based setting of all parameters.
  • Provides trending, data logging, presets and alarms.
  • Gauge to PC connection via RS-232 or optional RS-232-to-USB interface cable (RSCon).

Proton part number:

Mountings

Vibration isolation mount
  • For use in high vibration environments.

Proton part number:

Vibration isolation mount with angle adjustment
  • For use in high vibration environments.
  • Provides ±3° of roll and yaw adjustment.

Proton part number: 00050MC032

Harsh and extreme environment accessories

Adjustable beam enclosure tube
  • Enclosure of the laser beam to within 10mm of the object for laser safety and harsh environments.
  • For direct use with the SL mini 1220 or SLR mini 1220.
  • For the SL mini 3660 or SLR mini 3660, use in conjunction with the “Beam enclosure tube extension ()” below.

Proton part number: 00050MC033

Beam enclosure tube extension
  • Enclosure of the laser beam to within 10mm of the object for laser safety and harsh environments.
  • For use with the SL mini 3660 or SLR mini 3660 in conjunction with the “Adjustable beam enclosure tube (00050MC033)” above

Proton part number: 00002CM696

Air wipe
  • High-efficiency, air-wiped protection window for dusty and steamy environments with a quick-change window release mechanism.
  • Provides an 8 mm push fit tube fitting to connection to a clean air source.

Proton part number: 00050MC034

Cooling plate
  • Air or water cooled plate for installation between the gauge and mounting surface.
  • For use in ambient temperatures up to 60°C.

Proton part number:

ENV-BOX
  • Stainless-steel environmental protection housing for increased protection against dust, splash, drip or airborne materials.
  • Available fitted with an optional vortex air-cooler for high temperature environments

Proton part number:

Calibration accessories

SL Calibration Case

Portable on-site calibration system

  • Motorised aluminium calibration wheel mounted in a rugged aluminium frame carry case.
  • Displays speed and length.

Proton part number: 00020TL750