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SensoWeb "Edge" - Web edge monitoring in high-temperature applications

Detecting the web edge is not an easy task, especially for high-speed endless belts, such as the wire in a paper machine:

  • mechanical switches wear out and can also damage the edge of the web;
  • The horizontal oscillation usually cannot be controlled sufficiently finely with a digital switch;
  • Sophisticated measuring systems, in turn, cannot withstand the high environmental stress caused by temperature, humidity and pollution.
 
We offer two fiber optic systems that reliably and wear-free detect the web position even in high-temperature areas:

SensoWeb "Edge-B" (binary)

Sensorik Austria - SensoWeb Edge Binary

SensoWeb “Edge-B” consists of two parallel fiber optic light sensors with background suppression, each monitoring a boundary position of the web (screen, paper web).

If the switching signal from the inner position sensor drops, this means that the track position is too far inward and the track position needs to be adjusted outward. If the switching signal from both sensors is activated, this means that the track has been moved too far outward and therefore needs to be adjusted inward.

A SensoWeb “Edge-B” system consists of:

  • two near-infrared sensors
  • 2 fiber optics
  • Double V-bracket with associated quick-release bracket

Your benefits at a glance

  • contactless and wear-free
  • with (adjustable) background suppression
  • optionally with air purge
  • Fiber optic lengths up to 13m
  • easy adjustment and alignment

SensoWeb "Edge-A" - (analog)

Sensorik Austria - SensoWeb Edge AnalogSensoWeb “Ege-A” is the solution when web edge control using limit positions leads to a “nervous” web run:

The sensor continuously records the web edge position over a measuring width of 200mm and transmits this to the control system via the analog signal, thus enabling sensitive, continuous control!

A SensoWeb “Edge-A” system consists of:

  • special near-infrared sensor
  • special fiber optics
  • air-flushed measuring fork with associated quick-release holder

Your benefits at a glance

  • enables continuous control of the track position
  • contactless and gentle on web edges
  • Fiber optic lengths up to 10m!
  • with air flush

Technical Specifications (Optimized)

 SensoWeb
Edge B
SensoWeb
Edge-A
Concept 2 binary switching contacts for limit positionscontinuous position tracking
SensorMID-FOx-M30-…MID-FOx-P190-…/W
Operating Voltage24 VDC24 VDC 
outputs

2x PNP/NPN

4… 20mA
ConnectionCable/Connectorjam
Length fiber opticto 13mto 10m
Air purgeOptionalja
background suppressionjaja
Independent of external lightjaja
working distance100-500mmapprox 150mm
boomDouble V boommeasuring fork

Data sheet Sensoweb “Edge-B” + “Edge-A”

SOLUTIONS FOR OTHER APPLICATION AREAS:

Sensorikaustria.com – your partner for powerful sensor solutions

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