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Pepperl+Fuchs offers a wide variety of sensors for your web fed printing applications.

To ensure smooth print runs, photoelectric and ultrasonic sensors monitor web stock diameters, web breaks, and detect empty rolls. All solutions are insensitive to paper dust, vibrations, and colors. Ultrasonic sensors reduce waste and machine downtime by identifying web splices. All cylinders and parts are precisely detected and positioned by our inductive sensors and encoders. At the feeder and delivery system safety light curtains guarantee machine safety.

Click on the green numbers to jump to your web fed printing application!


1 - Roll Empty Detection 2 - Web Tensioning 3 - Splice Detection 4 - Web Tension Control 5 - Web Break Monitoring 6 - Print Mark Trigger 7 - Cylinder and Part Position 8 - Ink Level Detection 9 - Safety Protection at Delivery

Feeder system applications

 Roll Empty Detection

Roll Empty Detection

Sensor Solution:
Distance measurement devices VDM28, RL28, UB500-30GM, UB500-F54

Customer Benefits:

  • Monitors web stock diameter
  • Sends signal for automatic or manual splicing
  • Insensitive to dust and vibrations
  • Immune to roll color
  • Analog and discrete outputs
  • Photoelectric and ultrasonic solutions
 Web Tensioning

Web Tensioning

Sensor Solution:
Distance measurement VDM28, UB500-F54

Customer Benefits:

  • Ensures consistent web tension
  • Consistent end of roll/splice detection
  • Unaffected by paper dust
  • Versatile mounting
  • Solutions include photoelectric or ultrasonic sensors
 Splice Detection

Splice Detection

Sensor Solution:
Ultrasonic sensors UGB-18GM

Customer Benefits:

  • Reduces waste by identifying web splices
  • Accurately detects manufacturer’s, automatic, and manual splices
  • Capable of double layer and label detection
  • Operates with printed, colored, and glossy surfaces
  • Simple, quick alignment and setup


Printing unit applications

 Web Tension Control

Web Tension Control

Sensor Solution:
Inductive positioning systems PMI-F110, PMI-F90

Customer Benefits:

  • Wear-free position detection
  • Precise resolution
  • Insensitive to dust, oil, and grease
 

Web Break Monitoring

Sensor Solution:
Photoelectric sensors MLV41-8-HV and ultrasonic sensors UB120-12GM

Customer Benefits:

  • Easy setup and diagnostics
  • Reduces scrap
  • Tamperproof or adjustable versions available
  • Compact housings
Print Mark Trigger 

Print Mark Trigger

Sensor Solution:
Contrast and color sensors DK10, DK12, DK20/21, DK31/34

Customer Benefits:

  • Compact, rugged housings
  • Adjustable connector positions
  • High-visibility, dual-indicator LEDs
  • Static and dynamic Teach-In
  • 4-in-1 output minimizes inventory
 Cylinder and Part Position

Cylinder and Part Position

Sensor Solution:
Inductive sensors, encoders

Customer Benefits:

  • Precise detection of metal gear teeth, notches, and cams
  • Reduction factor 1 senses all metals at the same distance
  • Wide variety of housings and sensing ranges
 Ink Level Detection

Ink Level Detection

Sensor Solution:
Ultrasonic sensors UC300-F43, UB300-18GM

Customer Benefits:

  • Reliable ink level measurement
  • Low-level alarm
  • Chemically-resistant housings


Delivery system applications

 Safety Protection at Delivery

Safety Protection at Delivery

Sensor Solution:
Safety light curtains SLCS, SLCT

Customer Benefits:

  • Self-contained “2 box” evaluation system
  • Ultra-slim housing design
  • SLCT Type 2, SIL2
  • SLCS Type 4, SIL3