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DQL測量、檢測光幕：
產品介紹Product introduction：
DQL系列測量光幕使用同步掃描來識別被擋的通道。首先一個發射器通過發出光脈沖而對應的接收器同時來尋找該脈沖，當找到后即完成一個通道的掃描，接著轉向下一個通道，直到所有的掃描都完成。當一個周期掃描完成后，系統記錄哪些通道通光，哪些通道被遮擋，根據系統定義輸出一個信號，該信號可以是模擬量信號、開關量信號、也可以是RS485通訊信號。
高精度的DQL系列測量光幕適用于高精度的檢測和測量。包括在線檢測、尺寸測量、輪廓檢測、精度糾偏、孔洞檢測、外形檢測、邊緣和中心定位，張力控制，零件計數、在線產品尺寸檢測和以上類似的檢測和測量。每套系統包括一對高分辨率的發射器和接收器、兩條電纜。
Measurement using DQL series synchronous scanning to identify the blocked channel. First, a transmitter sends a light pulse corresponding to the receiver to look for the pulse at the same time. When it is found, it completes a scan of the channel, then turns to the next channel until all the scans have been completed. When a scan cycle is completed, the system records which channel through which light channel is blocked, the output signal according to the system definition, the signal can be analog signals and digital signals, can also be a RS485 communication signal.
The detection and measurement of DQL series high precision measurement for high accuracy. Including online detection, measurement, contour detection, precision, deviation detection, contour detection, hole edge and center location, tension control, parts counting, online product size detection and similar detection and measurement. Each system consists of a pair of high resolution transmitters and receivers, and two cables.
產品特點：
1. 自檢功能完善：當安全光幕保護器出現故障時，確保不向所控制的電器發送錯誤信號；
2. 抗干擾能力強： 系統對電磁信號，頻閃燈光，焊接弧光及周圍的光源具有良好的抗干擾能力；
3. 安裝調試方便，配線簡單，外形美觀；
4. 采用表面貼裝技術，防震性能優越；
5. 按照歐洲標準設計，已通過CE認證；
6. 應變時間短（≤20ms），安全可靠性高。
Product features：
1.perfect self-test functions: when the safety protection device failure, ensure not to send the wrong signal to control appliances;
2.strong anti-interference ability: the system has good anti-interference ability to electromagnetic signal, strobe light, welding arc and surrounding light source;
3. convenient installation and debugging, simple wiring and beautiful appearance;
4. surface mount technology, shockproof performance is superior;
5.according to European standards design, has passed CE certification;
6. short response time (less than 20ms), high safety and reliability
