Dqt Safety Light Curtain

★ Self-check function: If the safety screen protector fails, verify that no incorrect signal is conveyed to the regulated electrical equipment. The system has strong anti-interference capabilities against electromagnetic signals, stroboscopic light, welding arc, and other light sources. Features include easy installation and troubleshooting, simple wiring, and a beautiful appearance. Additionally, surface mounting technology is used for enhanced seismic performance. Comply with the International Electrotechnical Society's lEC61496-1/2 standard and obtain TUV CE certification. The corresponding time is short (<10ms), with great safety and reliability performance. The dimensions are 35mm*51mm. The safety sensor can be attached to the cable (M12) via the air socket. All electronic components use world-renowned brand accessories. 

★ The light curtain is pulsed, This light curtain must be used simultaneouslv with the controller. After the controller, the reaction speed is faster. The dual relay output is safer.

The safety light curtain comprises mostly of two parts: the emitter and the receiver. The transmitter sends out infrared rays, which are received by the receiver and form a light curtain. 

On one side of the light curtain, many infrared transmitting tubes are installed at equal intervals, while the opposite side has the same number of infrared reception tubes arranged in the same manner. 

However, in the presence of impediments, the modulated signal (light signal) emitted by the infrared transmitting tube does not reach the infrared receiving tube smoothly. At this moment, the infrared receiving tube The tube is unable to receive the modulation signal, and the resulting internal circuit output is high level. When no objects pass through the light curtain, the modulated signals (light signals) emitted by all infrared transmitting tubes reach the corresponding infrared receiving tubes on the other side, causing all internal circuits to output at low levels. Analyzing the internal circuit status can provide information on the presence or absence of an object.

1. It is necessary to consider the specific environment and operation of the operator. If the machine equipment is a paper cutter, the operator enters the dangerous area more frequently and is relatively close to the dangerous area, so accidents are easy to occur, so the optical axis spacing should be relatively small. Light curtain (eg: 10mm). Consider light curtains to protect your fingers.

2. In the same way, if the frequency of entering the dangerous area is relatively reduced or the distance is increased, you can choose to protect the palm (20-30mm).

3. If the dangerous area needs to protect the arm, you can choose a light curtain with a slightly larger distance (40mm).

4. The maximum limit of the light curtain is to protect the human body. You can choose the light curtain with the largest distance (80mm or 200mm).

It should be determined according to the specific machine and equipment, and conclusions can be drawn based on actual measurements. Pay attention to the difference between the height of the safety light curtain and the protection height of the safety light curtain.  [The height of the safety light curtain: the total height of the safety light curtain's appearance; the protection height of the safety light curtain: the effective protection range when the light curtain is working, that is, the effective protection height = optical axis spacing * (total number of optical axes - 1)]

The through-beam distance is the distance between the transmitter and the receiver. It should be determined according to the actual situation of the machine and equipment, so that a more suitable light curtain can be selected. After determining the shooting distance, the length of the cable should also be considered.

It must be determined according to the signal output method of the safety light curtain. Some light curtains may not match the signals output by the machine equipment, which requires the use of a controller.

Choose L-shaped bracket or base rotating bracket according to your needs.