Serviceline Industrial Sensors
Serviceline Explosion Protection

Print mark color sensor DF20/49/124

  • Diffuse mode sensor for recording colored print marks on backgrounds with different colors
  • TEACH-IN procedure for automatic threshold value setting
  • 3 emitter colors: green, red and blue
  • Very short response time
  • Optical system exchangeable by 90°
  • Sturdy, waterproof plastic housing

Please note: All product-related documents, such as certificates, declarations of conformity, etc., which were issued prior to the conversion under the name Pepperl+Fuchs GmbH, also apply to Pepperl+Fuchs AG.

Download the complete datasheet as a PDF:

Datasheet excerpt: Technical data of  DF20/49/124

Product Description
Print mark color sensor, 9.5 mm detection range, RGB light with rectangular light spot, external Teach-In, Teach-In button, NPN output, PNP output, M12 plug
General specifications
Sensor range9.5 mm ± 2 mm
Light source3 LEDs (R,G,B)
Light typeVisible green/red/blue, modulated light
Light spot representationrectangular 1 mm x 4 mm
Functional safety related parameters
MTTFd650 a
Mission Time (TM)20 a
Diagnostic Coverage (DC)0 %
Indicators/operating means
Function indicatorLED yellow, lights up if print mark is detected
flashes, if no safe operation is possible
Control elementsTeach-In key
Electrical specifications
Operating voltage10 ... 30 V DC
Switching typePNP switches according to +UB, NPN according to 0 V for detected mark
Signal output1 PNP and 1 NPN short-circuit protected, open collector, synchronized-switching
Approvals and certificates
Mechanical specifications
Degree of protectionIP67
Connection5-pin, M12 x 1 connector
HousingPC (glass-fiber-reinforced Makrolon)
Optical faceglass

Documents: DF20/49/124

Instruction leafletsLanguageFile TypeFile Size
Instruction leaflet / Beipackzettel ALLPDF314 KB

Approvals+Certificates: DF20/49/124

Statements of complianceCertificate No.File TypeFile Size
EU-Declaration of conformity / EU-KonformitätserklärungDOC-2232APDF185 KB

Associated Products: DF20/49/124


Female cordset, M12, 5-pin, PUR cablefa