Description
3706A TRICONEX nput/output communication card
3706A TRICONEX nput/output communication card
Module Clips Drive controller servo motor
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MQTT IoT Remote IO Module Based on Ethernet Communication Technology
MQTT IoT Remote IO Module Based on Ethernet Communication Technology
Barium rhenium technology remote IO modules are widely used in IoT scenarios such as intelligent transportation, smart water conservancy, smart agriculture, smart campuses, smart communities, smart power distribution, and smart water conservancy.
With the development of IIOT industrial Internet of Things technology, more and more traditional assets need to be connected to the internet, achieving unified data collection and analysis, and breaking the phenomenon of traditional device information silos. The barium rhenium technology remote IO module M160T, which supports IoT protocols, has become an excellent choice for many enterprises to achieve device networking, remote control, and data collection based on the compatibility of existing devices and the accessibility of IoT platforms!
Ethernet communication technology is a mature communication technology because it has the characteristics of stability, reliability, mature technology, fast transmission speed, and fast construction wiring. Due to its wide application, Ethernet communication through the MQTT protocol is the main way for enterprise equipment to go to the cloud. Barium rhenium technology can quickly collect data and control such as air compressor room, property living pump room, street light control, liquid level collection, temperature and humidity collection through Ethernet remote IO module.3706A TRICONEX nput/output communication card
So, why is the remote IO module of barium rhenium technology widely used in the field of industrial IoT? The specific reasons are as follows.
1. Actively connect to cloud platforms:
Based on the characteristics of Ethernet communication networks, the barium rhenium technology remote IO module does not require complex settings such as peanut shells to achieve the Internet of Things. The barium rhenium technology remote IO module needs to support both TCP client and TCP server functions.
2. Compatibility with existing systems:
It supports TCP Server and Modbus TCP protocol functions, and is compatible with device access of traditional upper level systems or HMI TCP clients.
3. Support multiple IoT platforms:
Supports standard MQTT, Modbus TCP, and Modbus RTU over TCP protocols. It can be connected to public cloud IoT platforms and user built MQTT private clouds through the MQTT protocol. It can also be connected to SCADA and DCS systems through Modbus TCP.
4. Rich IO interfaces and scalability:
There are many types of IO for industrial field data collection and replication. The Ethernet IO module of barium rhenium technology supports signal acquisition from various devices such as 4-20Ma, 0-20mA, 0-5V, 0-10V, RS485, DI, DO, PT100, PT1000, pulse input, pulse output, etc. At the same time, it expands the instrument data reading ability of RS485 devices.
5. Convenient installation method:
The volume of industrial on-site control boxes is often very limited, and the barium rhenium technology Ethernet IO module adopts a direct plug-in connection terminal and rail installation method. The compact volume greatly saves space in the control box!
6. Industrial grade design
The industrial environment is harsh, and the remote IO module using barium rhenium technology needs to adopt an industrial grade design, which can work continuously and stably in harsh environments.
Through the use of barium rhenium technology remote IO modules, there is no need to replace existing various enterprise assets, and the digital transition to the Internet of Things platform can be quickly achieved. Therefore, barium rhenium technology remote IO modules are widely used in industrial IoT, such as intelligent real estate, intelligent campus, intelligent factory, intelligent transportation, intelligent water conservancy, intelligent agriculture, intelligent campus, intelligent community, intelligent transportation, and many other industries.
What is the role of distributed IO modules and what are their main applications in
The distributed IO module transmits status signals from the measurement and control field to various measurement and control fields for control. It is mainly used in the industrial field and can also be used for detection of equipment such as air conditioners and motors.
In distributed systems, there are important business data closely related to system operation, as well as data related to nodes, application services, and data services, which are crucial for the normal operation of clusters.
IO on general PLCs is usually closely followed by CPU units, but in order to facilitate connection and maintenance, the concept of distributed IO has been proposed in the industrial field. That is to say, the IO unit can be arranged far away from the PLC CPU unit and communicate through the network communication protocol of the device layer.
The distributed IO module is developed for detecting and implementing remote control of various types of standard analog and switch signals (frequency, pulse, or switch state signals) in the field of measurement and control. The series of modules can digitize the test signal front-end and transmit it to the host through optical fiber; Or transmit the control instructions sent by the host to the controlled device to achieve remote control. Especially suitable for state detection and control of complex electromagnetic environments in power, industrial control, on-site switchgear, and large power equipment.
The role of distributed IO modules:
1. Support 4-way switch digital quantity
2. Supports 8 analog inputs
3. 4 relay outputs, 1 RS485 serial port data acquisition to Ethernet
4. 485 to Ethernet serial server
5. Supports Modbus to TCP/UDP protocol conversion
6. Supports virtual serial ports and interfaces with various configuration software
7. Support 0-5V, 0-10V, 0-30V range acquisition
8. Supports 0-20ma and 4-20ma range acquisition
Is it better to have a higher number of IO module bit widths?
IO is an important component of PLC, and the collection of PLC information and the output of instructions must be applied to various input and output IO. I don”t know if you have read some IO user manuals. One of their instructions is the device”s bit width, such as 12 bits and 16 bits. So, is it better to have a higher number of bit widths for the IO module? Let”s talk about this matter.
Bit width is the number of bits of data that can be transmitted within a clock cycle, and the larger the number of bits, the greater the amount of data that can be transmitted instantly. From this perspective, the larger the bit width of the IO module, the better. This is not a problem. However, the amount of data transmission, also known as data bandwidth, depends not only on the bit width, but also on the frequency of data transmission. The multiplication of the two is the final total amount of data transmitted. That is to say, even if the light position is wide, but the frequency is too high, it still cannot work. At the same time, the larger the bit width, the higher the hardware cost, and the greater the heat generation and power consumption of the device.
How to Apply Ethernet IO Module to Weighbridge Data Collection3706A TRICONEX nput/output communication card
Weighbridge, a large scale set on the ground, usually used to weigh the tonnage of cargo carried by a truck. It is the main weighing equipment used for measuring bulk goods in factories, mines, merchants, etc. The MXXXX series of Ethernet IO modules with barium rhenium technology have rich IO ports that can be used to assist in data collection and transmission of the weighbridge, quickly achieving comprehensive management of data and control.
Before the vehicle enters the weighbridge, there will be an infrared sensor scanning about a few hundred meters. The infrared sensor will output a switch signal to the Ethernet IO module, indicating that a vehicle needs to enter. Before the vehicle officially enters the weighbridge for weighing, there will be an infrared barrier sensor scanning, and the barrier will also output a switch signal to the Ethernet IO module. When the vehicle is completely parked in front of the weighbridge (including whether the position is correct), the central control room will decide whether to start weighing based on the information received by the IO module from the radar sensor. Finally, the vehicle is weighed and drives away from the weighbridge. The scanning signal from the infrared barrier sensor at the exit is transmitted to the IO module, and the central control room controls the IO port of the IO module to open (close) the barrier. The green light will light up, and the vehicle will fully exit and leave the weighing weighbridge. The entire weighing process requires only one Ethernet IO module to collect information and control actions.3706A TRICONEX nput/output communication card
The MxxxT industrial remote Ethernet I/O data acquisition module adopts an industrial grade circuit design. The digital input adopts optocoupler isolation, providing 12 pulse counting inputs, supporting dry and wet contact input types. The analog input adopts operational amplifier isolation, supporting 12 bit high-precision data acquisition, compatible with 0~5V, 0~10V, 0~20mA, and 4~20mA input types. The DO output is a transistor Sink output, providing one channel of high-speed pulse output, The thermal resistance RTD input supports two types: PT100 and PT1000, and the analog AO output supports 0-10VDC output.
Pocket Io ™ The development platform has opened up numerous new avenues for experiencing the full power of Industry 4.0.
Compact design: compact structure, ultra small size, and overall dimensions (10 cubic inches: 3.5 “x 3.5” x 0.8 “).
Reliable and safe technology: Composed of advanced industrial products, all products have a rated working environment temperature of -40 ° C to+125 ° C, fully utilizing Maxim”s reliable, safe, and fast demagnetization technology.
Efficient: Ensure low power consumption and improve efficiency – no need for cooling fans.
Integrate numerous powerful interfaces: provide a complete set of 30 IOs for controlling the entire manufacturing node or a certain device, including: 4 analog inputs, 1 analog output, 8 digital inputs, 8 digital outputs, 2 RS-485 (compatible with Profibus fieldbus), 3 encoder/electrical control ports, and 4 IO Link hosts.
Long battery life: Firstly, the compact and portable PLC platform can work for up to 2 hours using “AA/AAA” type batteries, and 8 hours using LiFePO4 rechargeable batteries.
Programmable: It can be programmed through Arduino Sketch or using Intel”s Edison Eclipse IDE tool, supporting Windows, Linux, or Mac OS operating systems.
Easy to use: Sketches can be converted into apps and then downloaded to iPads ® Or iPhone ® (Converted to an HMI panel for controlling Pocket IO).
What are the advantages of Ethernet remote IO modules that can be cascaded?
Advantages and specific application scenarios of Ethernet remote IO modules that can be cascaded
For scenarios where data collection control points are linearly distributed, such as streetlights, bridges, streetlights, digital factories, parking lot parking monitoring, smart parking lots, smart parking racks, and building automation control systems in smart parks, using cascading dual Ethernet remote IO modules saves more costs than using single Ethernet remote IO modules.
The Ethernet remote IO module that can be cascaded is a new type of Ethernet remote IO module that supports MAC layer data exchange and can achieve hand in hand connection. This not only saves switch interfaces, but also reduces a large amount of Ethernet cable costs, wiring space, and wiring costs.
Its advantages are as follows:
1. No need for a large number of Ethernet switches or occupying Ethernet switch ports;
2. It can save a lot of Ethernet cables, cable space, and labor costs for installing cables;
3. The overall cost has significantly decreased;
4. Supports both Modbus RTU protocol, Modbus TCP protocol, and the Internet of Things protocol MQTT protocol;
5. Support TCP Server and TCP Client services;
6. Can be connected to SCADA systems, PLC systems, or cloud platforms;
7. The series uses a MAC layer for data exchange, ensuring that network connectivity does not cause communication issues with subsequent devices due to device failures in the middle.
The comparison between cascaded Ethernet remote IO modules and traditional IO modules used in building automation systems is shown in the following figure:
1. Adopting a cascaded dual Ethernet remote IO module, data acquisition and control wiring for floors with a height of 70 meters only requires a 70 meter Ethernet cable;
2. Using a traditional single Ethernet remote IO module, the data acquisition and control system wiring for a 70 meter high floor requires a 280 meter Ethernet cable.
It can be seen that using cascaded dual Ethernet remote IO modules can save a lot of wiring costs compared to traditional single Ethernet remote IO modules.
Ethernet IO module assists industrial robots
Industrial robots are multi joint robotic arms or multi degree of freedom machine devices aimed at the industrial field, which can achieve many material distribution, retrieval, pallets, and so on in industrial sites. However, due to the fact that many industrial six axes are equipped with 32 IO ports as standard, the IO ports are not sufficient in practical applications. Therefore, some DIN and DO extensions can be met through IO modules.
MQTT Ethernet IO Remote Module3706A TRICONEX nput/output communication card
The Modbus TCP Ethernet IO module has multiple channels, such as 4-way, 8-way, and 16-way switch input and output options. The communication protocol of the Ethernet IO module adopts the standard Modbus TCP protocol, Modbus RTU over TCP protocol, and MQTT protocol. Can support LAN configuration, with 1 DC power output to other devices on site, reducing the difficulty and cost of on-site wiring.
Most of the MQTT Ethernet IO modules should collect some IO port information and transmit data through the network port. In fact, the Ethernet IO module can not only serve as a TCP server, but also as a TCP client. In addition, it can not only count high-speed pulses but also output high-3706A TRICONEX nput/output communication cardspeed pulses. This is very convenient for doing some control processing on industrial sites, such as controlling servo motors and other scenarios! The most important thing is the data caching function. Even if the network is disconnected, it is not afraid. The data will be automatically cached, and after the network is restored, it will be automatically retransmitted.
The MxxxT industrial remote Ethernet I/O data acquisition module is embedded with a 32-bit high-performance microprocessor MCU, and integrates an industrial grade 10/100M adaptive Ethernet interface to support the standard Modbus protocol. It can easily integrate with third-party SCADA software, PLC, and HMI devices for application. Equipped with an RS485 interface, it has good scalability and can be cascaded with standard Modbus RTU I/O devices through the RS485 bus to achieve the combination of various digital, analog, and thermal resistance IO modules, saving costs. At the same time, this device has the function of cluster register mapping, and the data of the cluster is automatically collected into the mapping storage area of the local computer. The upper computer can respond quickly without waiting when querying, meeting the strict and timely functional requirements of industrial sites.
What is a remote IO module and what are its purposes
Technology is constantly evolving, and we can come into contact with various electronic devices both in daily life and in the workplace. And a large number of electronic devices work together to generate some signal sources. In order to better transmit and collect signals, industrial control products such as remote IO modules, signal transmitters, and signal acquisition modules have been developed.
In the past, people had to connect existing lines and boxes one at a time, which greatly increased the cost and construction time of cables. Moreover, if the distance was too long, they also had to face issues such as voltage attenuation. And through the remote IO module, this problem can be effectively solved.
If your cabinet is 200 meters away from the site and remote IO is not used, then you can extend each signal line by 200 meters and install the remote IO module on site, which can save you a lot of cable costs and reduce the complexity of construction.
In short, sometimes some IOs are set far away from the central control room and then connected back to the central control room through fiber optics to save on cable procurement and construction. Sometimes, the logical “remote” is because the allowed quantity of “local IO” cannot meet the actual needs, so it is necessary to connect to the “remote IO template”, which depends on the situation.
In addition, the general cabinet is placed on the equipment site. However, some control signals, such as emergency stop and bypass, are implemented in the control room, so remote IO modules need to be used to transmit these signals to the control system in the computer room.
What is an Ethernet IO module and what are its functions
The Ethernet IO module is a hardware gateway that adds IO to the network port.
The Ethernet IO module has hardware interfaces such as switches, analog signals, relays, RS485, RJ45, etc. Can be used for IO data collection network port transmission in industrial automation. Simply put, it refers to sensors with standard signals on site, or serial devices with 485 signals such as PLCs, which can be converted into real values through such gateways and then transmitted to the host for display through network ports.
1. Collect and control data for internal processing and transmit it to the external network through Ethernet
2. Support 4-way photoelectric isolation switch input
3. Supports 4 independent relay control outputs
4. Supports 8 analog inputs, 4-20mA or 0-5V/0-10V/0-30V (optional)
5. Support RS485 serial port data collection, with serial port server function
6. Supports Modbus RTU communication protocol and virtual serial port
7. Supports docking with various configuration software and TCP/UDP servers
Application of Data Acquisition IO Module in Thermal Power Plant System3706A TRICONEX nput/output communication card
The Ethernet IO module is a data acquisition and control device. It uses Ethernet as a communication method to transmit data from various industrial control sensors and actuators to computers or other devices for management and monitoring. As a modern energy supply base, thermal power plants need to widely apply various intelligent control technologies to improve operational efficiency, reduce costs, and improve safety. In this context, the application of barium rhenium Ethernet IO modules is particularly important.
In the application of thermal power plants, the main function of the barium rhenium Ethernet IO module is to achieve real-time monitoring and control of the production process. By connecting to various sensors and actuators, the barium rhenium Ethernet IO module can collect real-time environmental parameters, machine operation status, and other data of the thermal power plant. By analyzing and processing these data, commanders can understand the operation of the thermal power plant and make corresponding adjustments. Compared to traditional automatic control systems, the barium rhenium Ethernet IO module has the advantages of stronger flexibility, faster reaction speed, and higher accuracy, which can greatly improve the operational efficiency and reliability of thermal power plants.
The real-time monitoring and control of thermal power plants require many capabilities of barium rhenium Ethernet IO modules. Here are several common application scenarios:
Firstly, the barium rhenium module can monitor parameters such as gas flow and water flow in thermal power plants. These parameters are crucial for ensuring the normal operation of the thermal power plant. Once these parameters undergo abnormal changes, the DO channel can be connected to the barium rhenium Ethernet IO module, and the alarm signal will immediately sound to remind the command personnel to handle it. Meanwhile, due to the fact that the barium rhenium Ethernet IO module can collect these data in real-time and transmit it to the monitoring system for recording, it can provide better technical support for quality management in thermal power plants.
Secondly, the barium rhenium Ethernet IO module can also monitor the operating status of mechanical equipment in thermal power plants. This includes parameters such as temperature, pressure, vibration, etc. By monitoring and analyzing these parameters, the barium rhenium Ethernet IO module can detect machine equipment faults in a timely manner, thereby avoiding the expansion of losses. In addition, during machine equipment maintenance, historical data recorded by the barium rhenium Ethernet IO module can be used to develop more scientific and reasonable maintenance plans, reduce maintenance costs, and improve maintenance efficiency.
Finally, the barium rhenium Ethernet IO module can also help thermal power plants achieve distributed control. We can remotely control and monitor multiple areas of the thermal power plant by connecting multiple barium rhenium modules to a network. This not only reduces the on-site debugging of equipment, but also strengthens the evaluation of equipment reliability.
In summary, the barium rhenium Ethernet IO module has unique advantages in real-time monitoring and control of thermal power plants. It can help command personnel monitor machine data in real-time, discover abnormal information, take timely measures to avoid impacts, and improve production efficiency and safety.
Remote IO modules based on Ethernet communication are widely used in the field of industrial IoT
With the development of IIOT (Industrial IOT) industrial Internet of Things technology, many traditional assets need to be connected to the internet to achieve unified data collection, analysis, processing, and storage, breaking the traditional phenomenon of device information silos. Therefore, the MQTT Ethernet IO acquisition module M160T, which supports the Internet of Things protocol, is able to unleash its potential by being compatible with existing devices and able to connect to IoT platforms. The MQTT Ethernet IO acquisition module will be widely used in industrial IoT, such as smart property, smart parks, smart factories, smart transportation, smart water conservancy, smart agriculture, smart campuses, smart communities, smart distribution, smart water conservancy, and many other industries.
Ethernet communication technology is a mature communication technology that has been widely applied. Therefore, Ethernet communication is the first choice for enterprises to connect various assets to the Internet of Things platform. Its reasons are stable and reliable, mature technology, fast transmission speed, and fast construction wiring.3706A TRICONEX nput/output communication card
For traditional various assets, such as low-voltage distribution rooms, air compressor rooms, property and living pump rooms, street light control, liquid level collection, temperature and humidity collection, etc., through the MQTT Ethernet IO collection module, they can be quickly connected to the Internet of Things platform.
So, what characteristics do MQTT Ethernet IO modules need to have when used in IoT solutions? The details are as follows:
1. Actively connect to cloud platforms:
Based on the characteristics of Ethernet communication networking, the Ethernet IO acquisition module must support the TCP Client function, which is not only the TCP client function, so that the Ethernet IO module can actively connect to the IoT platform without the need for complex settings such as peanut shells;
2. Compatible with existing systems:
Support TCP Server and Modbus TCP protocol functions, which can be compatible with traditional upper computer systems or device access of HMI”s TCP client;
3. Access to IoT platforms:
Supports standard MQTT protocol and Modbus TCP protocol, and can be connected to various MQTT protocol IoT platforms such as Huawei Cloud and Alibaba Cloud, or traditional SCADA and DCS systems;
4. Rich IO interfaces and scalability:
There are various types of data to be collected on site, and it is necessary to support the collection of various devices such as 4-20Ma, RS485, DI, DO, etc. At the same time, it is also necessary to have the ability to read RS485 device instrument data or expand the functions of the IO acquisition module;
5. Easy installation method:
The volume of the control box is very limited, so it is necessary to use directly inserted and unplugged wiring terminals, as well as a rail installation method.
6. Industrial grade design
The industrial environment is harsh, and the Ethernet IO module must adopt an industrial grade design to ensure continuous and stable operation in harsh environments.
Through the MQTT Ethernet IO acquisition module, there is no need to replace various existing enterprise assets and the digital transformation of accessing IoT platforms can be quickly achieved. Therefore, the MQTT Ethernet IO acquisition module will be widely used in industrial IoT, such as smart properties, smart parks, smart factories, smart transportation, smart water conservancy, smart agriculture, smart campuses, smart communities, smart power distribution, smart water conservancy, and many other industries.
What is the function of an IO chip
Io generally refers to input and output devices, where I is the input and O is the output. The input to the IO port of the chip is the external signal transmission to the chip, while the output is the internal signal transmission to other devices. The input and output are relative. In short, in a broad sense, the control of input and output interfaces is called an IO chip, and network cards are also considered IO or array cards.
The CPU must read and write data to external registers or ROMs on RAM or other hardware through IO commands (such as input/output commands). For example, reading a keyboard involves accessing external registers on the keyboard through the 60H port, and the chip on the keyboard scans the keyboard. Pressing or holding down a key for a long time will cause the chip to generate corresponding scan or break codes, which will be written to the external register of the 60H port, so that the CPU can achieve the purpose of controlling the keyboard. Therefore, I think IO chips should refer to a large category. The CPU already has powerful IO instructions and corresponding control buses.
51 microcontroller IO port input and output mode_ Four usage methods for IO ports
The traditional 51 microcontroller IO interface can only be used as a standard bidirectional IO interface. If it is used to drive LED, it can only be driven by injecting current or using a transistor external expansion drive circuit.
Current injection method: LED positive pole connected to VCC, negative pole connected to IO port. If the IO is at a high level, the two poles of the LED are at the same level, and there is no current, the LED will turn off; IO is at low power level, current flows from VCC to IO, and LED lights up. But when you connect the positive pole of the LED to the IO interface and the negative pole to GND, placing the IO interface at a high level will cause the LED to light up. However, due to the insufficient pull-up capability of the IO interface, the brightness is not ideal. The following method can be used to solve this problem.
Push-pull working mode: The positive and negative poles of the LED are connected to two IO ports, and then the positive IO interface is set as the push-pull output, while the negative IO interface is set as the standard bidirectional current input. The push pull method has strong pull-up ability and can achieve high-level LED driving.
Four usage methods for IO ports3706A TRICONEX nput/output communication card
From the perspective of the characteristics of the I/O port, the P0 port of Standard 51 is an open drain structure when used as an I/O port, and in practical applications, a pull-up resistor is usually added; P1, P2, and P3 are all quasi bidirectional I/Os with internal pull-up resistors, which can be used as both input and output. The I/O port characteristics of the LPC900 series microcontroller have certain differences, and they can be configured into four different working modes: quasi bidirectional I/O, push pull output, high resistance input, and open drain.
Compared with Standard 51, the quasi bidirectional I/O mode differs in internal structure but is similar in usage. For example, when used as an input, it must first write “1” to set it to high level before reading the level state of the pin.!!!!! Why is it like this? Please refer to the diagram below for analysis.
The characteristic of push-3706A TRICONEX nput/output communication cardpull output is that it can drive a large current regardless of whether it outputs high or low levels. For example, when outputting high levels, it can directly light up the LED (by connecting several hundred ohm current limiting resistors in series), which is difficult to achieve in quasi bidirectional I/O mode.
The characteristic of high impedance input mode is that it can only be used as an input, but it can obtain relatively high input impedance, which is necessary in analog comparator and ADC applications.
The open drain mode is similar to the quasi bidirectional mode, but there is no internal pull-up resistance. The advantage of open drain mode is good electrical compatibility. If the external pull-up resistor is connected to a 3V power supply, it can interface with a 3V logic device. If the pull-up resistor is connected to a 5V power supply, it can also interface with a 5V logic device. In addition, the open drain mode can also conveniently implement the “line and” logic function.
For the explanation of the above question, there is this information:
High resistance state is a common term in digital circuits, referring to an output state of a circuit that is neither high nor low. If the high resistance state is input into the next level circuit, it has no impact on the lower level circuit, just like not connected. If measured with a multimeter, it may be high or low, depending on what is connected afterwards.
High resistance states can be understood as open circuits during circuit analysis. You can think of it as having a very high output (input) resistance. His limit can be considered suspended.
Typical applications of high resistance states:
1. On the bus connected structure. There are multiple devices hanging on the bus, and the devices are connected to the bus in a high impedance form. This automatically releases the bus when the device does not occupy it, making it easier for other devices to gain access to the bus.
2. Most microcontroller I/O can be set to high impedance input when used, such as Lingyang, AVR, and so on. High resistance input can be considered as having infinite input resistance, indicating that I/O has minimal impact on the preceding stage and does not generate current (without attenuation), and to some extent, it also increases the chip”s resistance to voltage surges.
1.Has been engaged in industrial control industry for a long time, with a large number of inventories.
2.Industry leading, price advantage, quality assurance
3.Diversified models and products, and all kinds of rare and discontinued products
4.15 days free replacement for quality problems
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