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SICK WL9-2N421 Overview
Photoelectric reflex switch WL9-2N421 NPN, complementary, focus, M12, 4-pin Teach-in
SICK WL9-2N421 Description
- LED light source, visible red light
- Switching frequency 800/s
- Outputs short-circuit protected
- Sensitivity adjustment using the Teach-In procedure
- Permissible ambient operating temperature -40C...+60C
| Product features | |
| Sensing range min ... max: | 0 m ... 0.3 m, 0 m ... 0.4 m |
| Light source: | LED |
| Type of light: | visible red light |
| Light spot diameter: | 1.5 mm x 1.5 mm at 35 mm distance |
| Laser: | visible red light |
| Sensing range max.: | 0 m ... 0.3 m, 0 m ... 0.4 m |
| Relating to: | Reflector PL80A |
| Sensitivity adjustment: | Teach-in: single-teach button |
| Technical data | |
| Design: | cuboid |
| Dimensions (W x H x D): | 12 mm x 40 mm x 22 mm |
| Supply voltage min ... max: | DC 10 ... 30 V 1) |
| Ripple: | ≤ 5 Vpp |
| Power consumption: | ≤ 30 mA |
| Switching output: | NPN antivalent |
| Signal voltage NPN HIGH / LOW: | Vs / <2.9 V |
| Output current max.: | ≤ 100 mA |
| Response time: | ≤ 625 s |
| Switching frequency: | 800 Hz |
| Connection type: | Connector, M12, 4-pin |
| Circuit protection: | VS connections reverse-polarity protected / All outputs short-circuit protected / Interference suppression |
| Enclosure rating: | IP 67: EN 60529, IP 69K: EN 40050 |
| Ambient operation temperature, min ... max: | -40 C ... +60 C |
| Ambient storage temperature, min ... max: | -40 C ... +75 C |
| Weight: | ca. 20 g |
| Series: | W9-2 |
| Front screen heating: | - |
| Polarisation filter: | ![]() |
| 1) Limit values | |
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