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OPTEX FA DM-18TN | Colour and Mark Detection Sensor | RGB, 18 mm, NPN
The DM-18TN is an NPN digital colour and mark detection sensor with a sensing distance of 18 ± 2 mm. Its built-in red, green and blue light sources are selected automatically to give the best contrast between mark and background, so one sensor covers different colour combinations.
- Output: NPN open collector, max. 100 mA/30 VDC
- Sensing distance: 18 ± 2 mm
- Light source: R / G / B, mark and colour modes
- 8-bank switching via external input
- IP67; 2 m cable
- Specifications
| Part Number | DM-18TN |
| Brand | OPTEX FA |
| Series | DM Series |
| Type | Colour/mark detection |
| Output | NPN open collector, max. 100 mA/30 VDC |
| Sensing Distance | 18 ± 2 mm |
| Light Source | R / G / B |
| Spot Size | Approx. 1 × 6 mm at 18 mm |
| Response Time | Mark mode: 0.25/0.5/1.2 ms; colour mode: 0.8/1.6/4 ms |
| Digital Display | 7-segment, 3-digit |
| External Input | 8-bank switching |
| Connection | 2 m cable (ø4 mm) |
| Supply Voltage | 10 to 30 VDC |
| Degree of Protection | IP67 |
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