A:DADISICK is a manufacturer integrating R&D, production and sales, with its own factory (about 6,500 square meters), 3 intelligent production lines and multiple R&D laboratories. The official website and multiple platforms indicate that it is a professional sensor manufacturer that can provide OEM/ODM customization services and has complete product design, assembly, testing and shipping capabilities.
A:When purchasing the DADISICK QSA multi-sided light curtain, please refer to the following points according to actual usage needs:1. Number of protection surfaces1 to 4 configurations are available to adapt to different fence layouts.2. Detection distanceSupports a range of 1–45 meters to meet the protection needs of most scenarios.3. Resolution selectionSelect the required resolution based on the detection object (such as fingers, palms, and whole bodies).4. Installation spaceThe mirror reflection design is suitable for applications with limited space but multi-sided monitoring.5. System compatibilityEnsure that it can be integrated into existing safety control systems (such as PLCs, safety relays, etc.).6. Environmental adaptabilityPay attention to whether the dustproof, shockproof, and anti-interference capabilities meet the requirements of the application site.7. Compliance certificationThe product complies with international safety standards such as CE and ISO 13849.8. Technical supportIf you have any questions, you can always contact the DADISICK technical team for professional selection suggestions.
A:Typical application scenarios of multi-sided access protection light grids (such as DADISICK's QSA series) include:1. Robot operation area protectionBuild closed safety areas on multiple open sides of the robot workstation to prevent people from entering the danger zone by mistake.2. Automated assembly line perimeter protectionDeploy light curtains around the equipment to prevent operators from entering the machine danger zone from any direction.3. Logistics sorting system entrance/exit monitoringDetect materials or personnel entering from different directions, trigger safety response or count operation status.4. Three-dimensional warehouse or stacker area protectionEstablish multi-sided access protection light grids in high-frequency dynamic operation areas to improve safety levels and prevent misoperation.5. Periphery of heavy equipment such as injection molding machines and stamping machinesMulti-sided access protection light grids provide more comprehensive protection, replacing traditional mechanical fences for easy maintenance and operation.This type of light curtain is particularly suitable for industrial automation scenarios that need to save space, increase protection coverage and reduce wiring complexity.
A:Single-sided light curtains only protect one plane; QSA uses mirror foldback to achieve multi-surface monitoring with one wiring, reducing hardware and installation time, and saving PLC I/O.
A:QSA is a Multi-Sided Access Protection light curtain developed by DADISICK for four-sided fence protection scenarios. It uses transmitters, reflectors and receivers to form 1-4 infrared networks, which can build a closed safety zone within a distance of 1-45 m.
A:Normally, safety light curtains cannot effectively detect transparent objects for the following reasons:Reason explanation:Safety light curtains mostly use the infrared emission and reception principle. Transparent objects (such as glass and transparent plastic) have a high transmittance to infrared light, and the light beam will not be effectively blocked. Therefore, the receiver can still receive the signal, resulting in the inability to determine whether an object has passed.
A:Yes, in general, it is safer to use normally closed (NC) contacts than normally open (NO) contacts for safety light curtains for the following reasons:✅ Why is normally closed safer?1. Power failure causes immediate shutdown, default safe state:Normal closed contacts are closed in normal state. Once power is lost, the line is loose, the light curtain fails or the cable is damaged, the circuit will automatically disconnect, causing the system to shut down or enter a safe state.This is the basic principle of "fail-safe design".2. Easier to monitor disconnection or failure:The controller or safety relay can detect whether the circuit is closed in real time. If the contact opens abnormally, an alarm will be immediately issued or the output will be cut off.Normal open contacts cannot be disconnected naturally in the event of a fault, and may be mistakenly believed that the equipment is still operating normally, which poses a risk.3. Safety standard recommendation:International standards (such as ISO 13849-1, IEC 61508) and related mechanical safety specifications also recommend the use of normally closed contacts as safety signal interfaces.
A:When a moving part with a safety edge hits an operator or the operator hits a moving part, the conductive layer inside it is squeezed by external force and forms a circuit, thereby triggering the safety control system to send a signal to stop the equipment or perform a preset safety action. This structure can respond to collision or pinching risks in the first place, effectively preventing personal injury or equipment damage.
A:Self-checking function means that during the operation of a safety product, it can automatically monitor whether its key components and functions are working properly, and immediately issue an alarm or cut off the output when a fault or abnormality is found to ensure that the system is in a safe state.
A:The blanking function of the safety light curtain mainly includes two types: fixed blanking and floating blanking, which are used to temporarily shield certain light axes in specific applications to prevent non-dangerous objects from triggering alarms.Fixed blanking: The beam area at the preset position is shielded, which is suitable for long-term fixed objects (such as fixtures, conveyor line structures, etc.).Floating blanking: The shielded object is allowed to move within a certain range, which is suitable for dynamic scenes such as material in and out or robot arm movement.These two blanking methods improve the operating efficiency and adaptability of the equipment without reducing the overall safety level.
A:In general, according to the concept of modern DADISICK laser radar by Dadi, it can be classified into the following types:1. Based on the laser wavelength: ultraviolet laser radar, visible laser radar, and infrared laser radar.2. Based on the laser medium: gas laser radar, solid-state laser radar, semiconductor laser radar, and diode-pumped solid-state laser radar.3. Based on the laser emission waveform: pulsed laser radar, continuous wave laser radar, and hybrid laser radar.4. Based on the display method: analog or digital display laser radar and imaging laser radar.5. Based on the platform: ground-based fixed laser radar, vehicle-mounted laser radar, airborne laser radar, shipborne laser radar, spaceborne laser radar, missile-borne laser radar, and handheld laser radar.6. Based on the functionality: laser ranging radar, laser speed radar, laser angle radar, tracking radar, laser imaging radar, laser target designator, and biological laser radar.7. Based on the application: laser rangefinder, range laser radar, fire control laser radar, tracking and identification laser radar, multifunctional tactical laser radar, chemical detection laser radar, navigation laser radar, meteorological laser radar, chemical detection and atmospheric monitoring laser radar, etc.
A:The forced guide structure is a mechanical design used in safety components such as safety relays to ensure that the normally open and normally closed contacts will not close at the same time when a relay contact failure occurs (such as contact adhesion). It can effectively improve the system's fault detection capabilities and is an important guarantee for building a reliable industrial safety control system.
A: The difference between automatic reset and manual reset of safety light curtain is as follows:✅ Automatic reset:· Definition: After the obstacle is removed, the light curtain automatically resumes working state without manual intervention.· Advantages: High efficiency, suitable for automation environment without frequent manual confirmation.· Risks: There is a risk of false triggering, and automatic reset before personnel evacuate may pose a safety hazard.✅ Manual reset:· Definition: After the obstacle is cleared, the light curtain needs to be restarted by operating a button or signal.· Advantages: Safer, ensuring that the operator has left the dangerous area before resuming operation.· Disadvantages: Manual confirmation is required, and the efficiency is slightly lower.
A:The optical axis spacing refers to the center distance between two adjacent infrared beams in the safety light curtain. It is usually measured in millimeters (mm) to measure the detection accuracy of the light curtain.