Mini SL
SL Mini Series Unidirectional Speed and Length Measurement
Scantron’s SL Mini Series non-contact, unidirectional speed and length gauges provide extremely accurate speed and length measurements in almost any sheet material or converting application.
The SL Mini Series has been used by clients in a range of industries and across production processes for web products, woven and non-woven materials, paper, plastic film, tapes, building materials, flooring and labelling. All can be accurately measured using the laser Doppler method employed by the SL Mini Series gauge.
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.
SL 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.
Scantron has a number of speed and length measurement solutions for a range of environments and applications. Contact us to discuss your requirements.
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Specification - Unidirectional | Units | SL1220 | SL3060 |
Minimum speed | m/min | 0.1 | 0.25 |
Maximum speed | m/min | 5000 | 5000 |
Stand-off distance | mm | 120 | 300 |
Depth of field | mm | 20 | 60 |
SLR | |
Accuracy | Maximum 0.05% |
Repeatability | Maximum 0.02% |
Maximum acceleration | >1000 |
Internal measurement rate | 200kHz |
Measurement update time | 200 kHz internal and 20µs at the outputs |
Power requirement | 24Vdc, 8 Watts |
Protection rating | IP67 (harsher envoronments possible with an optional environmental enclosure) |
Operating temperature | 5° ~ 45°C (higher temperatures possible with an optional environmental enclosure) |
Gauge dimensions | L x W x H 140 x 105 x 50mm |
Laser beam diameter | 4mm |
Laser safety classification | Class 3B |
Diagnostic display | Integrated LCD |
Pulse outputs | 2xpluse outputs or 1xquadrature output, freely programmable, pulse rate <1mhz |
Digital inputs | Laser enable; Shutter enable; 3 programmable inputs |
Digital outputs | Shutter status; 2 programmable outputs |
Standard communications interfaces | RS-232; Ethernet TCP/IP (Mopdbus protocol) |
Display communications | Proton CANbus for optional SiDi-CDI interface display |
Optional communications interfaces (replaces Ethernet TCP/IP interface) | PROFINET DeviceNet PROFIBUS EtherNet/IP |
The SL Mini Series gives extremely accurate unidirectional speed and length measurements across multiple production processes and materials.
- 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
- Ultra-compact design with a footprint comparable to a smartphone
- Optimised 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 communications interfaces for easy integration with PLCs and production line equipment
- Excellent value with low cost of ownership
The miniSL is a very versatile piece of non-contact measurement equipment and is suitable for a wide range of applications and almost any type of sheet material measurement including in the production of the following products:
- Flooring and carpet
- Abrasive paper
- Roof foil
- Adhesive tape
- Cold metal
- Paper
- Packaging material
- Construction & insulation material
- Special extrusion and calendaring
- Ceramics
- Cord, lead
- Stranded products
- Insulated products
The following are some of the applications covered:
AiG2-SL/SLR - Display module Connects via the CANbus port Displays measured speed and length Provides menu-based settings of all parameters Bright VFD dot matrix display |
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AiG2 Panel Mount Kit Bracket for mounting the AiG2 to an end-user panel |
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CAN-bus cable - for connecting the gauge via a PSU-BOB mini to a CDi interface display unit Available in 1, 5, 10, 20, 40, 60 and 100m lengths |
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PCIS SL/SLR 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 |
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PSU-BOB 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 screw terminal access to all electrical input and output pins Provides DB9 connectors for access to the CANbus, RS232 and optional industrial bus communications ports Provides a RJ45 connector access to the ethernet port 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 – 260VAC @ 45 – 65Hz |
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DB25 Cable - For connecting the gauge "INTERFACE" port to a PSU-BOB mini Available in 1, 3, 5, 10, 20 and 30m lengths |
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Terminal Expander - Gauge-mounted break-out bos Connects the DB25 “INTERFACE” connector Provides DB9 connector access to the RS-232, CANbus, 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 |
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Industrial Bus Module - For connecting the gauge to industrial communications buses, such as used with PLCs May be retrofitted Protocols: DeviceNET; PROFIBUS; PROFINET; EtherNet/IP |
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Base Plate For securing a SL/SLR mini gauge to a mounting surface |
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Vibration Reducing Kit For use with the above Base Plate in high-vibration environments |
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3D Adjuster Plate For use with the above Base Plate for precision alignment of the SL/SLr mini gauge to the measured object Provides ±3o of roll and yaw adjustment |
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Laser Protection Tube for SL/SLR mini 1220 Enclosure of the laser beam to within 10mm of the object for laser safety and harsh environments |
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Laser Protection Tube for SL/SLR mini 3060 Enclosure of the laser beam to within 10mm of the object for laser safety and harsh environments |
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Air Wipe High-efficiency, air-wiped protection window for dusty/steamy environments with a quick-change window release mechanism Provides an 8mm push fit tube fitting to connection to a clean air sourc |
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Cooling Plate Air or water cooled plate for installation between the gauge and mounting surface For use in ambient temperatures up to 60°C |