Description
2290614 TRICONEX nput/output communication card
2290614 TRICONEX nput/output communication card
Module Clips Drive controller servo motor
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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 Module2290614 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-2290614 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 IO Link in Industrial Automation
This article mainly introduces the overall solution of ST IO Link communication master station used in industrial systems, including the following 5 aspects:
Firstly, the application of IO Link in industrial automation; The second is the introduction of ST IO Link main station transceiver; The third is the introduction of our ST”s IO Link main site evaluation board; The fourth is an introduction to the reference design scheme of the IO Link main station; The fifth is a demonstration of the IO Link master station reference design.
The industrial automation system can be said to be composed of many levels. The top level is usually industrial Ethernet to transmit data to the upper control center or monitoring center of the factory, while the middle layer is usually some PLC system for specialized process processing, such as controlling a specialized assembly line or production line. At the bottom, there are usually many industrial sensors, such as temperature sensors, pressure sensors, flow sensors, or proximity sensors, as well as some actuators, such as valves, moving lights, relays, or contactors, which are used for collecting and controlling physical quantities.
Between these levels, there will also be some modules or gateways for conversion and processing work. Therefore, in traditional industrial systems, there are many different level standards and communication protocols on site, resulting in poor modularity and versatility. Because there are both analog signals on site, such as a 4 to 20 mA current loop and analog voltage signals, as well as digital signals. In such an environment, analog signals are particularly susceptible to interference from harsh on-site environments. At the same time, sensors or actuators for analog transmission cannot perform on-site remote configuration or calibration 2290614 TRICONEX nput/output communication card diagnosis work. In order to solve the transmission of the last segment of data to sensors and actuators in industrial field environments, as described earlier, we have introduced a specialized digital interface IO Link to achieve fully digital transmission between the interface modules of sensors and industrial field buses. The bidirectional data transmission makes it possible to parameterize the interaction of on-site data, diagnose and transmit information. By using this technology, remote condition monitoring and predictable maintenance of terminal equipment can be achieved, thereby effectively alleviating the problem of production line downtime.
Its advantages include:2290614 TRICONEX nput/output communication card
Firstly, whether it is a pure digital sensor, an analog sensor after digital quantization, or different types of actuators, unified access can be achieved, thus achieving a simplified and standardized system architecture. Secondly, the transmission of digital signals will have stronger anti-interference ability than the transmission of analog signals, so the reliability of the system will also be stronger. Thirdly, through the bidirectional transmission of digital signals, more intelligent and advanced actuators or sensors can be used, making it easier to achieve status monitoring and system diagnostic protection functions. In this way, any issues and status of the production line can be monitored and maintained in real-time, ensuring the reliability, maintainability, and upgradability of the entire production line, thereby ensuring the minimum downtime.
The following is the specific content about IO Link technology
Firstly, the definition of the IO LINK standard enables data transmission, processing, configuration, and diagnostic information exchange between sensors or actuators and control systems. Secondly, this is a simple peer-to-peer communication architecture, where a master port is connected to a device port. Then, it can achieve compatibility with existing communication architectures, such as reusing cables and interfaces. At the same time, the IO Link system also has backward compatibility upgrade capability, as the master end of the system uses digital binary serial communication to interact with devices, and vice versa.
It can be said that IO link makes the system simpler:
Firstly, this is a universal standard communication method that complies with IEC61131-9. Secondly, IO Link is an intelligent communication system that solves the digital information exchange and transmission of the last distance from the control host to the terminal device. Thirdly, IO Link is simple to use and can be said to be plug and play, compatible with some existing system devices.
Some related products and solutions provided by ST in IO Link communication solutions
Firstly, in this communication system, the IO Link Master, which connects to the upper computer controller, is one of the main key solutions that will be mentioned later. Secondly, ST can provide some communication chips on the IO Link Master project, such as L6360. On the other side of the sensor or actuator end, namely the IO Link Slave end, ST can provide communication chips L6362A and L6364 on this IO Link Slave slave project. According to standards, this three-wire point-to-point communication method is easily compatible with some existing sensor actuators” standard ports, such as M12 standard industrial connectors and M12 standard connector wires. In addition, its advantages include the ability to achieve point-to-point bidirectional signal transmission within a single cable, as well as the general power supply requirements of the master end to the sensor actuator. According to the general requirements of the current industry, the maximum length of this cable is 20 meters, and the three wires inside are 24V, 0V, and data cables. The L+of this chip can support up to 500 milliamperes. If greater current is needed, there are also other L+drivers, including Load Switch IPS and other products, which can provide greater current or can be applied externally. The IO Link communication speed can generally reach a baud rate of 230.4K per COM3, and it also has functions such as status indication and detection.
For some specific application characteristics of IO Link, the communication transceiver system composed of L6360 and L6362A can support three standard data types of IO Link, namely COM1 (4.8k), COM2 (38.4K), and COM3 (230.4K) modes. This communication system can meet the requirements of all modern standards, industrial sensors, and actuators: firstly, it can quickly and very easily configure or reconfigure sensors or actuators. Secondly, it can be widely applied to various standardized sensors or systems that execute information. Thirdly, as a digital communication system, compared to traditional analog signal transmission systems, it can reduce power consumption and improve system efficiency. Fourthly, it has complete diagnostic and protection functions, which can improve the reliability of related systems. Therefore, it can be widely used to drive various digital sensors and actuators, as well as input and output modules of PLC, in order to achieve and meet various requirements of Industry 4.0.
How to Determine the Interference Problem of PROFINET IO Communication
Preliminary Diagnosis of PROFINET Interference Problems
1. Overview
When debugging PROFINET IO communication, it is common to encounter communication failures. One of the reasons for communication failures is interference. PROFINET IO communication equipment often operates in complex industrial electromagnetic environments, and incorrect shielding grounding or non-standard installation may lead to communication interference problems. Since optical signals are not affected by electromagnetic interference, this article only introduces interference problems with electrical signals.
2. How to determine interference issues
If PROFINET IO communication is affected by electromagnetic interference, a simple judgment can generally be made through the following aspects:
2.1. Judging the communication status through PROFINET IO
If the following communication phenomena are found during PROFINET IO communication debugging or operation, it may be affected by electromagnetic interference:
① Occasionally, communication is interrupted and restored.
② When certain on-site devices or specific operations are turned on, communication is interrupted, and on the contrary, communication returns to normal.
2.2. By using STEP7 online diagnostic information to determine and view the diagnostic buffer information of the IO controller, how to detect the presence of frequent communication failures and recovery information between the IO controller and IO devices in the diagnostic buffer, as shown in the following figure, may be affected by electromagnetic interference:
14 STEP7 Device Diagnostic Buffer Information
3. How to troubleshoot and solve interference problems
If a suspected electromagnetic interference causing PROFINET IO communication failure is found, how should we troubleshoot and solve it? The following will be introduced from the following aspects:
3.1 Increase PROFINET IO communication watchdog time
Due to PROFINET IO communication failure occurring during watchdog time, the IO controller did not provide input or output data (IO data) to the IO device, and watchdog time=the number of update cycles allowed for IO data loss × The refresh time is usually automatically calculated and allocated by the IO controller. This time value is generally small. If electromagnetic interference is encountered, the probability of communication failure occurring within the automatically calculated watchdog time will increase. At this time, we can appropriately increase the PROFINET IO communication refresh time or the number of update cycles allowed for IO data loss to increase the watchdog time. However, this method may not solve serious electromagnetic interference problems, and it is recommended to eliminate and solve them through subsequent methods.
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:2290614 TRICONEX nput/output communication card
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;2290614 TRICONEX nput/output communication card
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.
Application of Ethernet Remote IO Module in Building Automation System
For building automation systems, each data acquisition control point is linearly distributed in each floor. Therefore, it is very suitable to use Ethernet remote IO modules that can be cascaded to achieve data acquisition and control.
The Ethernet remote IO module that can be cascaded supports MAC layer data exchange and can achieve a hand in hand connection method. This can not only save switch interfaces, but also reduce 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. The M160E supports both Modbus RTU protocol, Modbus TCP protocol, and the Internet of Things protocol MQTT protocol. In addition, it also supports TCP Server and TCP Client services; Can be connected to SCADA systems, PLC systems, or cloud platforms;
4. The M160E 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.
Comparison between cascaded Ethernet remote IO modules and traditional IO modules for building automation systems:
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.
Therefore, we can conclude that 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 systems in smart parks, using cascading dual Ethernet remote IO modules saves more costs than using single Ethernet remote IO modules.
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
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BENTLY — 3500 system/proximitor, front and rear card, sensor, probe, cable 3500/20 3500/61 3500/05-01-02-00-001 3500/40M 176449-01 3500/22M 138607-01
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YOKOGAWA – Servo module, control cabinet node unit
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