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 th...

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: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 wi...

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 perso...

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 s...

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...

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 auto...

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.

A：In the safety laser scanner, "safety zone" and "warning zone" are two different monitoring areas, and their functions are as follows:Safety Zone:It is the key protection area set by the scanner. Once a person or object is detected entering this area, the system will immediately trigger a safety response, such as emergency shutdown, to ensure that personnel are not injured by the machine.Warning ...

The main features of safety relays include:1. Forced guided contacts: ensure that normally open and normally closed contacts are not connected at the same time, which helps with fault detection.2. Redundant design: internal multi-channel circuits to improve fault tolerance.3. Self-check function: automatically check the wiring and contact status when power is on to ensure system safety.4. Complian...

A:Safety relays are needed in safety circuits to ensure that the equipment can reliably cut off dangerous actions in emergency or abnormal situations, thereby ensuring the safety of personnel and equipment. Its role is far beyond that of ordinary relays for the following reasons:✅ Why safety relays are needed:1. Forced guided contact structureIt has a forced opening/closing function to prevent fal...

The role of safety relays is to ensure that industrial equipment can stop operating reliably and safely in an emergency, thereby protecting personnel and equipment. Its main functions include:1. Realize safety control logic: such as dual-channel input monitoring, interlocking, redundancy, etc.2. Connect safety devices: such as emergency stop buttons, safety light curtains, safety door locks, two-h...

When selecting a safety relay unit, the following factors should be considered:1. Safety level requirements (Performance Level / SIL)Based on the risk assessment results of the application scenario, select a safety relay that meets the corresponding safety level (such as PL e, SIL3).2. Input signal typeClarify the type of safety equipment connected (such as safety light curtains, safety door locks...

The main differences between shielded and non-shielded proximity switches are as follows:1. Shielded Proximity Sensors· Installation: Can be mounted flush on metal surfaces· Detection distance: Shorter (usually about 70% of the non-shielded type)· Electromagnetic field direction: Mainly focused on the front· Interference immunity: Stronger, suitable for metal environments· Housing design: The fron...

A：Inductive proximity switches are mainly used to detect metal objects, have strong anti-interference capabilities, and are suitable for industrial automation scenarios; while capacitive proximity switches can detect metals and non-metals (such as plastics, liquids, wood, etc.), have high sensitivity, but are more easily affected by the environment. The choice should be made based on the material ...

A:The main differences between safety relays and ordinary relays are their design purpose, internal structure and safety functions:🔒 Safety relays· Designed for safety functions to protect personal safety and machine equipment.· With redundant circuits and self-test functions to prevent single-point failure.· Meet international safety standards (such as ISO 13849-1, IEC 61508, IEC 60204-1, etc.)....

A：Ultrasonic sensors can detect a variety of materials, mainly including:· Metals (such as steel, aluminum, etc.)· Plastics (such as PVC, ABS, PE, etc.)· Glass (including transparent or frosted glass)· Liquid surfaces (such as water, oil, chemical solutions)· Paper, cloth and wood· Flexible materials such as ceramics, rubber, foam, etc.Its advantage is that it is not affected by the target color, ...

A：The main differences between laser displacement sensors and laser ranging sensors are measurement accuracy, measurement distance and application scenarios:1. Laser Displacement Sensor· Measurement object: small displacement changes at close range.· Precision: high, usually up to micrometer level (μm).· Measurement distance: short, generally between tens of millimeters and hundreds of millimeters...

A：We offer 1:1 custom replacements for the original light curtain data connectors, with compatibility including electrical interface, communication protocol, and mechanical installation. Please check out the specifications of your existing light curtain and ours, or contact our technical support team to help you find a compatible replacement model.

A：To select the right replacement light curtain, determine the specifications and features of your existing light curtain. Considerations include detection range, resolution, response time, and safety rating. Then, use this information to compare against our product catalog to ensure the new model will meet or exceed the performance of your existing light curtain. For more information, please cons...

A：Ultrasonic sensors are widely used in many industries due to their advantages such as non-contact measurement, high precision, and strong anti-interference ability. The following are the main benefiting industries:1. Manufacturing / Industrial AutomationMaterial Position DetectionLiquid Level Monitoring (Tank/Trough)Parts Identification and Sorting2. Automotive industryParking radar/obstacle det...

A：The working principle of measuring light curtain is as follows: The optical protection device detects the misalignment position, and if there is any deviation, it sends out a signal. The optical misalignment software system then performs editing and calculation operations on the signal and sends out control signals. The external actuator is driven by the control system to make corrections in the...

A：In industrial production, various high-risk production equipment is used, such as punching machines, bending machines, and shearing machines. Without proper safety measures, these devices can easily cause accidents during operation, posing a serious threat to the personal safety of workers.In this era, which values talent, recruiting has become increasingly difficult. Every employee wants to wor...

A：A colored metal identification sensor is a type of sensor that utilizes the principle of eddy currents for detection. Its working principle involves generating an alternating magnetic field through an induction coil, which induces eddy currents in the object being detected, thereby changing the electrical parameters of the coil. This allows for the determination of the properties and characteris...

A：DADISICK-QA series long-distance bi-directional safety light curtains are safety devices that utilize the principle of bi-directional projection. They are mainly used in applications that require coverage of larger areas, such as robotic automation production lines and automotive assembly lines. Compared to traditional safety light curtains, the DADISICK-QA series offers several advantages:1. Wi...

A：LiDAR, also known as Light Detection and Ranging, is a system that combines laser, Global Positioning System (GPS), and Inertial Measurement Unit (IMU) technologies to collect data and generate precise Digital Elevation Models (DEMs). By combining these three technologies, LiDAR can accurately locate the spot where the laser beam hits an object and achieve centimeter-level ranging accuracy. The ...

A：With the rapid development of industry, the operation and control technology of machines are becoming more advanced, and automated equipment has become an essential tool in modern factories. However, if safety precautions are not properly implemented, there could be potential safety hazards in hazardous work areas such as punching machines, hydraulic presses, oil presses, intelligent warehousing...

A：Electromagnetic security door lock switch: As the name suggests, when power is applied, the lock generates magnetic force, causing the lock to engage and latch onto a small metal piece within the groove. When the power is turned off, the latch will reset and the lock opens as the magnetic force disappears. It also has the feature of unlocking when power is applied, and can control 6 pairs of con...

A：DADISICK safety mats are devices used for floor protection in hazardous areas. They generate a switch signal by detecting sufficient pressure, ensuring area safety. They are reliable, easy to install, and versatile. The safety mats have excellent corrosion resistance to various chemicals such as acids, alkalis, and salts, and are expected to work for more than one million cycles. They are made o...

DADISICK, a highly sensitive protective device, is increasingly showing strong momentum in the application of safety systems in the manufacturing industry. In some high-end manufacturing plants, large workstations have fully adopted two-dimensional or even three-dimensional protection systems.More production equipment, in situations where frequent intervention is required, will almost always choos...

A：So far, high-quality safety light curtains have been advancing in terms of their application fields and related technological approaches. Professional technical methods have been widely used in various production and processing areas. Choosing and using high-quality safety light curtains is crucial to maximize their technological value. Therefore, it is important for users to understand how to s...

A：A laser displacement sensor is a high-precision, highly sensitive measuring device widely used in industries such as mechanical manufacturing, aerospace, automotive manufacturing, and electronics manufacturing. It enables non-contact measurement of objects using laser beams, offering exceptional accuracy and reliability. Additionally, laser displacement sensors provide advantages such as fast re...

A：Laser displacement sensors have the advantages of non-contact, high precision, and fast response, and are widely used in industrial automation, semiconductors, medical treatment, automobile manufacturing, etc. Different working principles are suitable for different measurement ranges and accuracy requirements.The Leica Geosystems laser displacement sensor is a high-precision measurement device t...

A：Today, the DADISICK editor of Dadi Electronics will explain the working principles of the DADISICK laser radar. The working principle of a laser radar is not well-known to many people. Let's take a look together now!1. The basic working principle of DADISICK laser radar by Dadi Shike is similar to that of radio radar. The radar emission system sends a signal that hits trees, roads, bridges, and ...

A：Quantifying the resolution of safety light curtainsIn various types of safety light curtain products on the market, an important selection parameter is the resolution. The resolution is typically quantified in millimeters (mm), such as common values like 14mm, 20mm, 30mm, and so on. These quantified indicators represent the gap between the sensing functions of the safety light curtain sensors.Is...

A：According to the detection method, photoelectric switches can be classified into diffuse-reflective, through-beam, retro-reflective, slot-type, and fiber-optic photoelectric switches.The through-beam type consists of a transmitter and a receiver, which are structurally separate. In the event of interruption of the light beam, a switch signal change is generated. A typical arrangement is that thr...

A：A photoelectric switch sensor is a type of sensor that utilizes the photoelectric effect for detection. Its working principle involves emitting a beam of light and detecting if the beam is obstructed to determine the presence and status of an object. The specific process is as follows:1. Emitting the beam: The sensor emits a beam of light.2. Receiving the signal: When an object enters the path o...

A：The through-beam light curtain, also known as an infrared light curtain, light curtain, or photoelectric protection device, is widely used in industrial production.The working principle of a through-beam light curtain is as follows: The emitter emits light, which is received by the receiver, forming a beam of light. The internal circuit processes the ON/OFF status of the beam to trigger actions ...

A：The separation of vehicles at the toll station is achieved through vehicle separation light barriers.Vehicle separation light barriers, also known as infrared vehicle detectors, are detectors that use linearly arranged infrared light emitters and receivers to achieve synchronous scanning of vehicles. They convert the light signals into electrical signals to comprehensively detect vehicle data. C...