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Speed & Length Measurement
InteliSENS™ SL Series

Speed & Length Measurement

InteliSENS™ SLR mini Series

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 number	00050MC011	00050MC012	-
Stand-off distance	120	300	mm
Stand-off distance	4.72	11.8	inch
Depth-of-field	20	60	mm
Depth-of-field	0.79	2.36	inch
Minimum speed (bidirectional)	5000	5000	m/min
Minimum speed (bidirectional)	16400	16400	ft/min

Specification	Minimum	Typical	Maximum	Units
Accuracy*			0.05	%
Repeatability			0.02	%
Acceleration			500	m/s²
Internal measurement rate			200	kHz
Measurement output interval	20			µs
Laser spot diameter			4	mm
Operating temperature	5		45	°C
Operating temperature	41		113	°F
Ingress protection			IP67
Weight			1.1	kg
Weight			2.4	lb
Length			142	mm
Length			5.59	inch
Width			104	mm
Width			4.09	inch
Height			52	mm
Height			2.05	inch
Power supply	15	24	25	VDC
Power consumption			8	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
Measurement units (end-user configurable)	Length	metres	feet	yards
Laser safety control inputs	Laser	External closed contact to ground enables laser diode.
Laser safety control inputs	Shutter	External closed contact to ground opens laser shutter.
Shutter status output	Electrical	N-channel MOSFET pull-down (for connection to user-supplied opto-isolated relay).
	Electrical	Maximum voltage: 30VDC	Maximum current: 100mA
	Function	Pulled to ground when laser shutter is open.
3×Logic inputs (end-user configurable)	Electrical	Maximum input voltage: 24VDC
	Function	Length reset	Display hold	Length hold
	Function	Speed hold	Direction	Pause
2×Logic outputs (end-user configurable)	Electrical	N-channel MOSFET pull-down (for connection to user-supplied opto-isolated relay).
	Electrical	Maximum voltage: 30VDC	Maximum current: 100mA
	Function	Gauge OK	Laser at temp	Laser on
	Function	Measuring	Preset Length 1	Preset Length 2
2×Differential pair pulse outputs (end-user configurable)	Electrical	Opto-isolated differential pair
		Output voltage: 5V or user supplied (up to 24V)
		Maximum frequency: 1MHz
	Function	Independent	Quadrature pair
CANbus communications		Connects to an optional Proton Products CDi interface display unit
Serial communications		RS-232
Ethernet communications		Modbus protocol
Optional communications (factory-installed, choice of one, replaces standard Ethernet interface)		PROFIBUS	Ethernet/IP	DeviceNET

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