Description
Overview
- 25 kHz high switching frequency
- IR or red/green light models
- Detection of labels (SR21-IR) or print register mark on transparent films (SR21-RG)
- 4 wire NPN and PNP output
APPLICATIONS
Packaging and labeling machinery
Print and apply systems
Technical Specification
| Power supply | 10 … 30 Vdc (limit values) |
| Ripple | 2 Vpp max. |
| Consumption (output current excluded) | 55 mA max |
| Light emission | red LED 633 nm/green LED 570 nm |
| IR LED 880 nm | |
| Setting | AUTO-SET push-button |
| Operating mode | LIGHT/DARK configurable |
| Indicators | yellow OUTPUT LED |
| green/red READY/ERROR LED | |
| Output | PNP and NPN |
| Output current | 100 mA max. |
| Saturation voltage | 2 V max. |
| Response time | 20 µs max. |
| Switching frequency | 25 kHz max. |
| Connection | M8 4-pole connector |
| Dielectric strength | 500 Vac, 1 min between electronics and housing |
| Insulating resistance | >20 MΩ, 500 Vdc between electronics and housing |
| Electrical protection | class 1 |
| Mechanical protection | IP65 |
| Ambient light rejection | according to EN 60947-5-2 |
| Vibrationss | 0,5 mm amplitude, 10 … 55 Hz frequency, for every axis (EN60068-2-6) |
| Shock resistance | 11 ms (30 G) 6 shock for every axis (EN60068-2-27) |
| Slot width | 2 mm |
| Resolution | 0,5 mm |
| Housing material | ZAMA |
| Lens material | glass |
| Operating temperature | -20 … 60 °C |
| Storage temperature | -20 … 70 °C |
| Weight | 115 g |
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