
Pepperl Fuchs DK20/49
Print mark contrast sensor
- MPN
- DK20/49
- Category
- Print Mark Sensors
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- 12-month warranty (new) · 3-month (used/refurbished)
- 30-day returns, no restocking fee on unused parts
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What is the Pepperl Fuchs DK20/49?
Diffuse mode sensor for recording any print mark
Static teach-in: automatic switching threshold adaptation
Optical system exchangeable by 90°
30 µs response time, suitable for extremely rapid scanning processes
3 emitter colors: green, red and blue
Print mark contrast sensor, 9.5 mm detection range, RGB light, light/dark on, external Teach-in, NPN output, PNP output, M12 plug, Diffuse mode sensor for recording any print mark, Static teach-in: automatic switching threshold adaptation, Optical system exchangeable by 90°, 30 µs response time, suitable for extremely rapid scanning processes, 3 emitter colors: green, red and blue
Specifications
General specifications
| Order code (Pepperl+Fuchs part number) | 418085 |
| Sensor range | 9.5 mm ± 3 mm |
| Light source | LED |
| Light type | Visible green/red/blue, modulated light |
| Light spot representation | rectangular 1 mm x 4 mm , |
| Angle deviation | max. ± 3° |
| Ambient light limit: Continuous light | 7000 Lux |
| Teach-in | static Teach-In |
| Lifecycle | Active (current Pepperl+Fuchs product) |
Functional safety related parameters
| MTTFd | 650 a |
| Mission Time (TM) | 20 a |
| Diagnostic Coverage (DC) | 0 % |
Indicators/operating means
| Function indicator | LED 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 |
| Control elements | Teach-In key |
Electrical specifications
| Operating voltage | 10 ... 30 V DC UB |
| Ripple | 10 % |
| No-load supply current | ≤ 70 mA I0 |
Input
| Function input | Teach-In input |
Output
| Switching type | light/dark on switchable, results from the order of the Teach-In |
| Signal output | 1 PNP and 1 NPN short-circuit protected, open collector, synchronized-switching |
| Switching voltage | PNP: ≥ (+UB -2.5 V) , NPN: ≤ 1.5 V |
| Switching current | max. 200 mA |
| Switching frequency | 16.5 kHz f |
| Response time | 30 µs |
Conformity
| Product standard | EN 61000-6-2, EN 61000-6-3 |
Compliance with standards and directives
| Standard conformity: Shock and impact resistance | IEC / EN 60068. half-sine, 40 g in each X, Y and Z directions |
| Standard conformity: Vibration resistance | IEC / EN 60068-2-6. Sinus. 10 -150 Hz, 5 g in each X, Y and Z directions |
Approvals and certificates
| UL approval | cULus Listed , Class 2 power source |
| CCC approval | CCC approval / marking not required for products rated ≤36 V |
Ambient conditions
| Ambient temperature | -20 ... 60 °C (-4 ... 140 °F) |
| Storage temperature | -20 ... 75 °C (-4 ... 167 °F) |
Mechanical specifications
| Degree of protection | IP67 |
| Connection | 5-pin, M12 x 1 connector |
| Material: Housing | PC (glass-fiber-reinforced Makrolon) |
| Material: Optical face | glass |
| Mass | 200 g |
| Dimensions: Height | 85.6 mm |
| Dimensions: Width | 33 mm |
| Dimensions: Depth | 60.8 mm |
Downloads & documentation
Official documents from Pepperl Fuchs, downloaded directly from the manufacturer.
Data sheets & manuals
CAD & dimension drawings
DK20/49: frequently asked questions
When can DK20/49 be shipped?
DK20/49 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.
Can I pick up DK20/49 in person?
Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.
Is express delivery available?
Yes — mention it when you request a quote for DK20/49 and we'll include express shipping options in our reply.
My factory is down and I need this urgently — can you help?
For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for DK20/49, subject to availability and destination.
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