A：Photoelectric switches have been widely used in various fields such as position detection, liquid level control, product counting, width discrimination, speed detection, length cutting, hole recognition, signal delay, automatic door sensing, color mark detection, punch presses, shearing machines, and safety protection. Additionally, due to the infrared's concealment, photoelectric switches can a...

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：Today, the 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 laser radar by DADISICK is similar to that of radio radar. The radar emission system sends a signal that hits trees, roads, bridges, and buildings on the gro...

A：DADISICK laser radar can be used not only independently but also in combination with imaging devices such as microwave radar, visible light cameras, infrared cameras, or light cameras. This allows the system to detect distant targets and achieve precise tracking. In addition to the well-known application in autonomous driving, laser radar plays an indispensable role in many other fields as well....

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：Laser displacement sensors are used in various industries such as manufacturing, construction, engineering, and healthcare. They are used to measure the position, shape, size, and motion of objects. These sensors can provide high-precision measurements down to the nanometer level, making them extremely valuable in industries that require precise measurements.There are several benefits of install...

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...

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 choo...

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...

A：Electromagnetic security door lock switch: As the name suggests, when power is applied, the lock generates a 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 ...

A：With the rapid development of industry, the operation and control technology of machines is 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：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：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：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：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：The working principle of a light curtain is as follows: The optical protection device detects the misalignment position, and if any deviation occurs, 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 movement ...

A:The output mode (Output Type) of the safety light curtain mainly depends on your equipment control system requirements and safety level design requirements. The following are selection suggestions:Application ScenarioRecommended output modeReasonGeneral industrial automation systemPNP / OSSDQuick response and strong compatibilityJapanese or an old PLC control systemNPNMatching control input type...

A:In order to meet different industrial control systems and safety requirements, safety light curtains usually provide four output modes:1. PNP (common)· The output is a positive voltage (+24V DC), and the output is high when a safe state is detected.· Applicable to most PLCs and relay input systems of the "positive trigger" type.· Advantages: strong anti-interference ability and good market compa...

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: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 ...

A:Single-sided light curtains only protect one plane; DADISICK's QSA series multi-sided access protection light grid 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: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, res...

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: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 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 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 c...

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 an emergency shutdown, to ensure that personnel are not injured by the machine.Warni...

A：Generally, it is not recommended to cut or fold the safety mat by yourself for the following reasons:· Cutting will damage the internal sensing circuit, affect the detection function of the mat, and cause a safety failure.· Folding may cause damage or breakage of the internal structure, causing false alarms or missed detections;· Safety mats usually have preset sizes and sensing areas, which hav...

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 checks the wiring and contact status when power is on to ensure system safety.4. Complia...

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：When choosing the right type and size of safety edge, the following key factors should be considered:1. Application scenario: Select the appropriate edge model according to the type and movement of the installed equipment (such as automatic doors, lifting platforms, AGVs, etc.).2. Edge length: Select the appropriate edge length according to the size of the actual protection area to ensure that a...