双张检测传感器 UDC-18GM50-255-3E1
来源：未知 日期：2017/02/07 浏览量：次
● Ultrasonic system for reliable detection of no, one, or two overlapping sheet materials, preferably papers
● Short version
● No TEACH-IN required
● Function indicators visible from all directions
● Insensitive to printing, colors, and shining surfaces
● Material weight from 10 g/m2 up to over 2000 g/m2
● Very wide material spectrum, finest papers up to thin sheet metals as well as plastic- and metal foils
● Perpendicular or inclined sensor mounting relative to the sheet plane possible
● Programmable
| General specifications： | ||
|---|---|---|
| Sensing range | 20 ... 60 mm , optimal distance: 45 mm | |
| Transducer frequency | 255 kHz | |
| Indicators/operating means： | ||
| LED green | indication: single sheet detected | |
| LED yellow | Indication: No sheet detected (Air) | |
| LED red | indication: double sheet detected | |
| Electrical specifications： | ||
| Operating voltage | 18 ... 30 V DC , ripple 10 %SS | |
| No-load supply current | < 50 mA | |
| Input： | ||
| Input type |
Function input 0-level: -UB ... -UB + 1V 1-level: +UB - 1 V ... +UB |
|
| Pulse length | ≥ 100 ms | |
| Impedance | ≥ 4 kΩ | |
| Output： | ||
| Output type | 3 switch outputs NPN, NC | |
| Rated operating current | 3 x 100 mA , short-circuit/overload protected | |
| Voltage drop | ≤ 3 V | |
| Switch-on delay | approx. 15 ms (shorter response time on request) | |
| Switch-off delay | approx. 15 ms (shorter response time on request) | |
| Pulse extension | min. 120 ms programmable | |
| Approvals and certificates： | ||
| UL approval | cULus Listed, General Purpose, Class 2 Power Source | |
| CSA approval | cCSAus Listed, General Purpose, Class 2 Power Source | |
| CCC approval | CCC approval / marking not required for products rated ≤36 V | |
| Ambient conditions： | ||
| Ambient temperature | 0 ... 60 °C (32 ... 140 °F) | |
| Storage temperature | -40 ... 85 °C (-40 ... 185 °F) | |
| Mechanical specifications： | ||
| Connection type | cable PVC , 2 m | |
| Core cross-section | 0.14 mm2 | |
| Degree of protection | IP67 | |
| Material | ||
| Housing | nickel plated brass; plastic components: PBT | |
| Transducer | epoxy resin/hollow glass sphere mixture; polyurethane foam | |
| Mass | 135 g | |
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