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  • 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:Safety light curtains are often used in the following areas that require personnel protection:1. Hazardous areas of mechanical equipmentSuch as the feed port or operation area of ​​equipment with moving parts such as punching machines, shearing machines, injection molding machines, bending machines, etc.2. Both sides of the conveyor belt of the automated production linePrevent personnel from acc...

  • 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 ...

  • 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 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 have ...

  • 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...

  • A:When the error indicator light of the safety light curtain lights up, you can quickly troubleshoot and solve it by following the steps below:1. Confirm the fault code by checking the manual: Check the corresponding meaning of the error light according to the manual to clarify the fault type.2. Check the optical axis status: Make sure there is no obstruction (such as foreign matter, dust, oil) be...

  • 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...

  • A:The installation distance and response time of the proximity switch should be determined according to the following factors:✅ Installation distance (detection distance)· Material of the object to be detected: Metal materials (such as iron and steel) are best for inductive proximity switches; non-metallic objects require capacitive proximity switches.· Switch type:-Shielded type: Installed flush ...

  • 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:Methods for proximity switches to avoid metal interference and mutual interference include:1. Reasonable arrangement of installation location: Ensure that the proximity switch is kept at a sufficient distance from the surrounding metal to prevent metal from affecting its magnetic field.2. Use shielded proximity switches: Shielded proximity switches have stronger anti-interference capabilities an...

  • 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 ...

  • The installation steps of the safety touch edge are briefly as follows:1. Confirm the installation location: select the edge that needs to be protected, such as automatic doors, lifting platforms, robotic arms, etc.2. Fix the bracket or rail: fix the touch edge on the surface of the equipment or in the matching aluminum profile groove to ensure that the installation is straight and firm.3. Avoid e...

  • 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...

  • Safety Edge is often used to detect contact between objects or people and moving parts to prevent squeezing, collision or pinching accidents. It is suitable for a variety of industrial and automation environments. The following are the main application scenarios:1. Automatic doors and rolling shutter doors: installed on the edge of the door body, when a person or object is squeezed to the edge, th...

  • A:Safety mats can be integrated with other safety devices in the following ways to achieve more efficient linkage safety protection:1.In conjunction with safety relays: Connect the safety mat to the safety relay. When a person is detected stepping on it, the relay immediately cuts off the power supply of the dangerous equipment.2.Linked with safety light curtains: Used in conjunction with light cu...

  • A:Safety relays can be used as central control modules to integrate multiple safety input devices (such as emergency stop buttons and safety light curtains) into a safety loop. The connection method is as follows:1. Emergency stop button connection:Connect the normally closed contact of the button to the input of the safety relay. When the button is pressed, the contact is disconnected, the relay ...

  • A:To prevent the safety carpet from misoperating due to debris under the carpet, the following measures can be taken:Keep it clean: Clean the area under the carpet regularly to prevent dust, metal shavings, screws and other foreign objects from accumulating.Use protective pads or frames: Install protective plates or support structures under the safety carpet to prevent small objects from directly ...

  • A:Safety relays are suitable for all kinds of industrial application scenarios that have high requirements for personnel safety and need to realize emergency control and safety monitoring of equipment. The following are some typical application scenarios:✅ 1. Emergency stop system (E-Stop)· Realize the immediate power off and shutdown of equipment or production line in an emergency.· Commonly used...

  • A:Safety relays implement redundancy and feedback circuits in the following ways to ensure that the system remains safe in the event of a fault:✅ Redundant design:· Dual-channel input: Two independent input circuits are used (such as the two contacts of the emergency stop button), and the output will only be output when the two conditions are met at the same time;· Dual relay output: Two or more r...

  • 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:Ultrasonic sensors measure distance by emitting and receiving sound waves, but for irregular or inclined surfaces, the echo signal may be weakened or the reflection may deviate. To improve measurement accuracy, the following methods are usually used:1. Choose a suitable installation angle: Aim the sensor at the possible reflection direction of the target to avoid signal deviation caused by too l...

  • A:When selecting the measurement range and accuracy of laser displacement and ranging sensors, you can refer to the following points:1. Application requirements: Determine the distance range and required accuracy of the object to be measured. For example, a high-precision short-distance sensor is used for micro-displacement detection, and a ranging type is selected for long-distance targets.2. Res...

  • A:In high temperature or highly reflective surface environments, laser displacement and ranging sensors may have measurement errors. Common coping methods include:1. Choose a laser with the right wavelength: Using laser wavelengths that are more sensitive to high reflectivity or special materials (such as blue or green light) can improve measurement stability.2. Add filtering and temperature compe...

  • 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:The following steps should be followed to handle faults and maintenance of security door locks:1. Regular inspection: Regularly check the lock body, connecting wires and installation parts to ensure that there is no looseness, wear or corrosion.2. Troubleshooting: When an abnormality occurs, check whether the power supply, cable connection, and security control system signal are normal.3. Replac...

  • A:To ensure the compatibility of the door lock and the safety control system, it is recommended to start from the following key aspects:✅ 1. Electrical interface matching· Check whether the voltage level of the door lock (such as 24V DC) is consistent with the control system.· Check whether the input/output type (NPN/PNP, dry contact/active signal, etc.) is compatible.· Ensure that the terminal ty...

  • A:Vehicle light curtains ensure reliability in all weather conditions in the following ways:1. Infrared or laser technology: Use light sources with strong anti-interference, such as infrared or laser, to reduce the impact of rain, fog, snow and other weather on detection.2. High protection level: With a high protection level (such as IP65 or IP67), it is dustproof and waterproof, and adapts to har...

  • A:Vehicle light curtains are used to classify vehicles at highway toll stations, mainly in the following ways:Multi-beam detectionLight curtains are arranged on both sides of the lane to form multiple detection areas, which can accurately detect parameters such as the number of wheels, wheelbase, and vehicle height.Real-time data analysisThe system records the time difference and occlusion pattern...

  • A:The vehicle light curtain accurately measures the length and speed of the vehicle through precise beam scanning technology. The main principles are as follows:✅Detect vehicle length· Multiple infrared light curtain arrays span the lanes to form a dense detection area.· When a vehicle passes by, the time difference between the first and last beams of the blocked beams multiplied by the vehicle's ...

  • A:When choosing the resolution and measurement range of the measuring light curtain, you need to consider the following points according to the application requirements: Choose the appropriate resolution (resolution = beam spacing) ...

  • A:The maintenance procedures of ultrasonic sensors mainly include the following points:Regularly clean the sensor surfaceUse a clean and soft cloth to wipe the sensor probe to avoid dust, oil or water droplets affecting ultrasonic transmission and reception.Check the installation firmnessMake sure the sensor is not loose or offset to avoid detection errors caused by vibration or impact.Verify the ...

  • A:The installation of ultrasonic sensors must comply with the following requirements to ensure their measurement accuracy and stability:Reasonable installation positionThe sensor should be aligned vertically with the target surface to avoid large angle deviations to ensure that the sound waves are correctly reflected and returned.Avoid interferenceThere should be no obstructions in front of the se...

  • A:Yes, ultrasonic sensors can detect transparent or smooth surfaces. Because it uses sound waves instead of light to measure, it is not affected by the transparency, color or gloss of the target object. Therefore, ultrasonic sensors can stably detect even materials that are difficult to detect with traditional photoelectric sensors, such as glass, mirrored metal, liquids, etc.This makes it ideal f...

  • A:In order to protect ultrasonic sensors from interference and ensure that their measurements are stable and reliable, the following measures can be taken:1. Avoid co-frequency interference· When multiple sensors work at the same time, use different working frequencies or polling trigger methods to prevent signal confusion.· Products with anti-interference algorithms or synchronization functions a...

  • A:Compared with its competitors in the market, Dadisick's products in the field of industrial automation safety have the following advantages:✅ 1. Rich product line and comprehensive coverageDadisick provides complete safety solutions including safety light curtains, measurement light curtains, vehicle light curtains, safety carpets, safety edges, laser radars, laser displacement, ultrasonic senso...

  • A:Yes, we offer comprehensive OEM services, including customized product selection and laser marking. Our team works closely with customers to understand their unique requirements and provide them with tailor-made solutions. From customizing sensor size to integrating specific functions, we have the flexibility to meet the application needs of different industrial scenarios.Welcome to contact tech...