InteliSENS® LN Series Lump & Neck Detector

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InteliSENS® LN Series Lump & Neck Detector

Lump & Neck Flaw Detection

Proton Products InteliSENS® LN series 2-axis and 3-axis lump and neck detectors provide outstanding product quality supervision.

The InteliSENS® LN Series uses LED light sources, high-speed digital signal processing (DSP) and specialized optical design technology to inspect, alarm and report Surface Quality Defects (SQD) as they happen, reducing customer complaints and improving your reputation as a quality product supplier.

Features

  • Provides very high-speed, non-contact optical detection of insulation lump and neck flaws for cables up to 25mm in diameter.
  • Available in a 2-axis model for budget applications and a 3-axis model for maximum flaw coverage.
  • Housed in rugged enclosures to survive harsh industrial environments.
  • Fitted with an integrated airwipe system that maintains optical window cleanliness.
  • Completely solid-state design with no moving parts for long life and high reliablity.
  • Available with industry-standard communications interfaces fitted either as standard or as an option.

Introduction

Proton Products InteliSENS® LN series 2-axis and 3-axis lump and neck detectors provide outstanding product quality supervision.

The InteliSENS® LN Series uses LED light sources, high-speed digital signal processing (DSP) and specialized optical design technology to inspect, alarm and report Surface Quality Defects (SQD) as they happen, reducing customer complaints and improving your reputation as a quality product supplier.

The LED Constant Light Sources illuminate the circumference of the product and any change in the surface profi­le is immediately detected by a photodiode optical receiver which reports the height, length and location of lump and neck flaws along and around the product.

Extremely easy to install, integrate and operate, InteliSENS® LN series lump and neck detectors may be used as a standalone device or integrated with production line PLCs.

Optional audio/visual alarm units, fault ticket printers and data logging PC software are available to compliment any InteliSENS® LN series model to close the loop on Quality Control.

Applications include production processes such as wire drawing, braiding, cable insulation and jacketing, rewinding and coiling, rubber and plastic extrusion processes for hose, tube and pipe production.

Operating principle

Proton Products InteliSENS® LN series lump and neck detectors use LED light sources to illuminate the circumference of the cable under inspection. Light that is not obscured by the cable is focused onto a high-speed photo-detector. A custom FPGA-processor detects and logs any sudden changes in the detected light caused by lump or neck flaws in the cable insulation. This signal processing is performed 100,000 times a second to ensure that even the smallest flaws are detected at the highest line speeds.

LN Series Diag 01

Proton Products InteliSENS® LN series lump and neck detectors are available in 2 and 3-axis models (InteliSENS® LN2030 and LN3030 respectively). Whilst the 2-axis LN2030 model is suitable for budget or non-critical applications, the 3-axis LN3030 model offers a greatly improved detection probability for even the smallest flaws.

LN Series Diag 02

Specifications

Specification LN2030 LN3030 Units
Number of axes 2 3 axes
Specification Min Typ Max Units
Optical gate width 30 mm
Object diameter 0.04 25 mm
Fault height 0.04 + 1% of object Ø mm
Fault length (line speed dependent) 0.5 mm
Tolerance set range 0.04 10 mm
Tolerance set resolution 0.001 mm
Line speed (fault length dependent) 2500 m/min
Minimum time between faults (user configurable) 1 9999 ms
Signal processing rate 100 kHz/axis
Power supply voltage 15 24 32 VDC
Power consumption (with optional AiG2-LN display) 20 W
Length 320 mm
Width 50 mm
Height 292 mm
Weight 3 kg
Operating temperature 5 45 °C
Environmental protection IP67

Standard Interfaces

2x digital inputs User configurable function Length reset End of reel/Print activation
Maximum input voltage 24Vdc
3x isolated contact relay outputs User configurable function Gauge OK Lump Neck Flaw count exceeded
Maximum voltage 50VDC or 30VAC
Maximum current 0.5A
2x line speed pulse inputs Maximum frequency 250kHz (user scalable)
Maximum input voltage 30V or 50V pulses (two separate inputs)
Communications interfaces RS-232* RS-422 / RS-485 CAN-bus** Ethernet TCP/IP

Optional Interfaces

Must be specified for installation at time of manufacture, cannot be retrofitted.

4x Analogue outputs X, Y, Z axis voltage output; user scalable to ±10Vdc
Analogue input (user configurable) Line speed or flaw height setting; user scalable to 0~10Vdc
Wireless Bluetooth (not available in units destined for European markets)
Communications Choice of any one of: PROFIBUS; EtherNet/IP or DeviceNET
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