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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.
  • Wire optomized SL mini-W series version available for wire and cable applications
  • Unidirectional speed and length measurement.
  • 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.
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     3 mm
         
Operating temperature 5   40 °C
41   104 °F
Ingress protection     IP67  
         
Weight     1.1 kg
    2.4 lb
Length     142 mm
    5.59 inch
Width     104 mm
    4.09 inch
Height     52 mm
    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
Length metres feet yards
Laser safety control inputs Laser External closed contact to ground enables laser diode.
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).
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
Speed hold Direction Pause
2×Logic outputs
(end-user configurable)
Electrical N-channel MOSFET pull-down (for connection to user-supplied opto-isolated relay).
Maximum voltage: 30VDC Maximum current: 100mA
Function Gauge OK Laser at temp Laser on
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
Model
SL mini 1220
SL mini 3060
Units
Part number 00050MC001 00050MC002 -
Stand-off distance 120 300 mm
4.72 11.8 inch
Depth-of-field 20 60 mm
0.79 2.36 inch
Minimum speed 0.1 0.25 m/min
0.33 0.82 ft/min
Maximum speed 2000 5000 m/min
6560 16400 ft/min