Pepperl+Fuchs DK20-2497(/49)

Print mark contrast sensor
Pepperl+Fuchs DK20-2497(/49)
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Light spot representationrectangular 1 mm x 4 mm ,
CCC approvalCCC approval / marking not required for products rated ≤36 V
Switching frequency16.5 kHz
Housing depth60.8 mm
UL approvalcULus Listed , Class 2 power source
MTTFd650 a
Ambient temperature-20 ... 60 В°C (-4 ... 140 В°F)
Control elementsTeach-In key
Ripple10 %
Teach-Instatic Teach-In
Function indicatorLED yellow; switching operation: lights up if print mark is detected
Teach-In operation: flashing slowly
alarm display: flashing quickly, if no safe operation is possible
Mass200 g
Angle deviationmax. В± 3В°
Housing width33 mm
Mission Time (TM)20 a
Function inputTeach-In input
Connection5-pin, M12 x 1 connector
Light sourceLED
Light typeVisible green/red/blue, modulated light
Switching voltagePNP: ≥ (+UB -2.5 V) , NPN: ≤ 1.5 V
Response time30 µs
Housing height85.6 mm
Operating voltage10 ... 30 V DC
Switching currentmax. 200 mA
Sensor range9.5 mm В± 3 mm
No-load supply current≤ 70 mA
Storage temperature-20 ... 75 В°C (-4 ... 167 В°F)
Diagnostic Coverage (DC)0 %
Degree of protectionIP67
Product standardEN 60947-5-2
Signal output1 PNP and 1 NPN short-circuit protected, open collector, synchronized-switching
Switching typelight/dark on switchable, results from the order of the Teach-In
in international format without spaces
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