Pepperl+Fuchs DK20-2497(/49)
Print mark contrast sensor
- Diffuse mode sensor for recording any print mark
- Static TEACH-IN: automatic switching threshold adaptation
- 30 µ-s response time, suitable for extremely rapid scanning processes
- 3 emitter colors: green, red and blue
Item Number:
DK20-2497(/49)
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- Overview
- Comments
| Light spot representation | rectangular 1 mm x 4 mm , |
| CCC approval | CCC approval / marking not required for products rated ≤36 V |
| Switching frequency | 16.5 kHz |
| Housing depth | 60.8 mm |
| UL approval | cULus Listed , Class 2 power source |
| MTTFd | 650 a |
| Ambient temperature | -20 ... 60 В°C (-4 ... 140 В°F) |
| Control elements | Teach-In key |
| Ripple | 10 % |
| Teach-In | static Teach-In |
| 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 |
| Mass | 200 g |
| Angle deviation | max. В± 3В° |
| Housing width | 33 mm |
| Mission Time (TM) | 20 a |
| Function input | Teach-In input |
| Connection | 5-pin, M12 x 1 connector |
| Light source | LED |
| Light type | Visible green/red/blue, modulated light |
| Switching voltage | PNP: ≥ (+UB -2.5 V) , NPN: ≤ 1.5 V |
| Response time | 30 µs |
| Housing height | 85.6 mm |
| Operating voltage | 10 ... 30 V DC |
| Switching current | max. 200 mA |
| Sensor range | 9.5 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 protection | IP67 |
| Product standard | EN 60947-5-2 |
| Signal output | 1 PNP and 1 NPN short-circuit protected, open collector, synchronized-switching |
| Switching type | light/dark on switchable, results from the order of the Teach-In |
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