Description
4107 TRICONEX nput/output communication card
4107 TRICONEX nput/output communication card
Module Clips Drive controller servo motor
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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 Collection4107 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.4107 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.
TRICONEX 3805E Invensys can accommodate the backplane of previous modules
TRICONEX 3805E Invensys can accommodate the backplane of previous modules
Fault tolerance in the TRICONEX 3805E is achieved through the the third mock examination redundancy (TMR) architecture. Tricon can provide error free and uninterrupted control in the event of hard faults or internal or external transient faults in components. Tricon adopts a completely triple architecture design, from the input module to the main processor and then to the output module. Each I/O module contains three independent branch circuits. Each pin on the input module reads process data and passes this information to their respective main processors. The three main processors communicate with each other using a proprietary high-speed bus system called TriBus. Every scan, the three main processors synchronize and communicate with their two neighbors through TriBus. Tricon votes on digital input data, compares output data, and sends copies of analog input data to each main processor. The main processor executes user written applications and sends the output generated by the application to the output module. In addition to voting on input data, TriBus also votes on output data. This is done on the output module as close to the field as possible to detect and compensate for any errors between the Tricon voting and the final output driven to the field.
The TRICONEX 3805E system typically consists of the following typical modules: [2]
Main processor modules (three).4107 TRICONEX nput/output communication card
Communication module.
Input and output modules: can be analog and/or digital, can work independently, or can be hot backup (backup).
Power module (redundant).4107 TRICONEX nput/output communication card
A backplane (chassis) that can accommodate previous modules.
System cabinet: One or more chassis can be compressed into one cabinet.
Organize cabinets to adapt and standardize interface connections between on-site instruments and Triconex system cabinets.
Human Machine Interface (HMI) for monitoring events.
Engineering Workstation (EWS) for programming. Monitoring, troubleshooting, and updating.
The remote IO module is designed according to the demanding industrial application environment requirements, embedded with a 32-bit high-performance microprocessor MCU, to meet various combinations of digital, analog, and thermal resistance IO modules. The communication protocol of the remote IO module adopts the standard Modbus TCP protocol, Modbus RTU over TCP protocol, and MQTT protocol. The remote IO module supports a wide working voltage of DC9-36V and has anti reverse protection function. It is equipped with a built-in watchdog and comprehensive lightning protection and anti-interference measures to ensure reliability.
The remote IO module supports 1 isolated 10/100M adaptive Ethernet interface with 15KV ESD protection, optocoupler isolated digital input, and supports dry wet contact input. The first channel can be used as pulse counting, supporting high-speed pulse and low-speed pulse modes. The default is high-speed pulse frequency with a maximum of 700KHz, and the optional low-speed pulse frequency with a maximum of 10KHz; DO output supports transistor Sink output, with the first channel available for high-speed pulse output, supporting pulse frequencies of 10Hz~300KHz; The remote IO module supports isolated 12 bit resolution analog input: 0-5V, 0-10V, 0-20mA, 4-20mA differential input; 1 channel RS485 communication interface, supporting standard Modbus RTU protocol for expansion; The thermal resistance RTD input supports two types: PT100 and PT1000;
What are the common types of IO extension modules? How much does an IO expansion module usually cost?
2. Analog Input Output Module: A module used to process and monitor analog signal input and output. Common analog input and output modules include modules based on resistors, transistors, and optocouplers.
3. Communication Interface Module: A module used to achieve communication between devices. Common communication interface modules include modules based on interfaces such as RS232, RS485, Ethernet, and CAN.
4. Special Function Module: A module used to implement specific functions. For example, the PWM (Pulse Width Modulation) module is used to control the speed and direction of the motor, and the counting module is used to achieve counting functions.
The price of IO expansion modules may vary depending on different brands, models, and functions.
Generally speaking, the price of more basic IO expansion modules ranges from tens to hundreds of yuan, while the price of IO expansion modules with more complex functions and stronger performance may be higher.
For example, the Io extension module ET1010 recently released by Zongheng Intelligent Control Company costs only 169 yuan per unit, and supports functions such as front-end and back-end cascading, sensorless expansion, and plug and play. It can be purchased in bulk or applied for a free trial address; The specific prices of these IO modules need to be queried and compared based on the specific modules you need.
Application Scheme of Industrial Ethernet Remote IO Module in Intelligent Manufacturing Workshop
With the advent of Industry 4.0, intelligent manufacturing has become a trend in industrial production. Intelligent manufacturing requires efficient, stable, and reliable industrial Ethernet remote IO modules to monitor the production process. This article will share an application case of an intelligent manufacturing workshop based on industrial Ethernet remote IO module.4107 TRICONEX nput/output communication card
The production process of this intelligent manufacturing workshop is mainly divided into two parts: injection molding and automated assembly. The injection molding process requires controlling parameters such as the melting temperature of the melt, the speed and pressure of the injection molding machine. The automated assembly process requires controlling the actions of the assembly robot and detecting the quality of the product. In addition to these production process data, there are also equipment production data such as daily and weekly production in the workshop, as well as equipment status data such as operation, manual, automatic, mold adjustment, and alarm.
In the past, the production process of the factory mainly relied on traditional hard wiring to control the production process, resulting in low work efficiency due to the need for frequent replacement of transmission lines to meet production needs. Moreover, it is very difficult to collect a large number of types of detection and monitoring data for intelligent manufacturing. In order to improve efficiency, production quality, and reliability, the factory has introduced the industrial Ethernet remote IO module MxxT using barium rhenium technology.
The injection molding machine itself comes with MODBUS industrial control bus data or basic status signal output. The barium rhenium technology remote IO module collects data from the device interface RS232/RS485 port, collects status information of the injection molding machine such as startup, operation, and pause, and uploads it to the injection molding machine controller, or wirelessly uploads it to the cloud server. Based on devices, according to the communication protocols and interfaces of different devices, data is obtained by calling their interface channels, and then transmitted to the server.
The remote IO module is connected to the controller of the injection molding machine, and the operation data of the injection molding machine is uploaded and distributed wirelessly, achieving remote monitoring and intelligent control of the injection molding machine. In addition, the remote I/O module supports perceptual access to peripheral devices such as mold temperature machines, cutting machines, and dryers for injection molding machines, providing users with smart factory services.
During the injection molding process, the industrial Ethernet remote IO module transmits real-4107 TRICONEX nput/output communication cardtime data such as temperature, pressure, and speed to the main controller for monitoring and adjustment, ensuring the stability and compliance of production parameters under different conditions. In the automated assembly process, the industrial Ethernet remote IO module collects data through sensors and other devices, and transmits the relevant data to the main controller for adjustment of relevant actions. For example, the industrial Ethernet remote IO module can monitor the actions of assembly robots, detect the accuracy of product assembly and product quality, and ensure the production quality and stability of the product. At the same time, all production data can also be collected and analyzed remotely, helping enterprise managers better monitor production efficiency and quality.
By introducing industrial Ethernet remote IO modules, this intelligent manufacturing workshop not only improves production efficiency and stability, but also reduces labor and energy costs. Because the industrial Ethernet remote IO module can help enterprises complete the collection and monitoring of production data with one click, as well as avoid unnecessary line replacement and the need for workers to enter and exit the production process, thereby reducing costs and improving production efficiency for enterprises.
In summary, the application of industrial Ethernet remote IO modules in intelligent manufacturing workshops not only improves production efficiency and quality, reduces costs, but also achieves intelligent and digital management of production processes, bringing more opportunities and development space for enterprise development.
In addition, this device is widely used for networking and data collection of industrial equipment such as injection molding machines, air compressors, CNC machine tools, on-site PLCs, instruments, sensors, CNC, and electromechanical equipment.
Building a High Channel Density Digital IO Module for the Next Generation Industrial Automation Controller
There are currently many articles introducing Industry 4.0, and smart sensors are becoming increasingly popular in factory environments (I and other authors have written about these topics). Although we have all noticed a significant increase in the use of sensors in factories, processing plants, and even some newly built automation systems, the widespread use of sensors has also brought about an important change, which is the need to handle a large amount of IO within these old controllers. These IOs may be digital or analog. This requires the construction of high-density IO modules with size and heat limitations. In this article, I will focus on digital IO, and in subsequent articles, I will introduce analog IO.
Usually, digital IO in PLC consists of discrete devices such as resistors/capacitors or independent FET drives. In order to minimize the size of the controller as much as possible and to handle 2 to 4 times the number of channels, this has led to a shift from a separate approach to an integrated approach.
We can use the entire article to illustrate the drawbacks of the split method, especially when the number of channels processed by each module reaches 8 or more. However, when it comes to high heat/power consumption, a large number of split components (from the perspective of size and mean time between failures (MTBF)), and the need for reliable system specifications, it is sufficient to demonstrate that the split method is not feasible.
Figure 1 shows the technical challenges faced in building high-density digital input (DI) and digital output (DO) modules. In both Di and DO systems, size and heat dissipation issues need to be considered.
Digital input
size
heat
Supports all input types
Type 1, 2, 3, Input
Supports 24 V and 48 V inputs
Robust operating specifications
Wire breakage detection
Digital output
Support for different types of output driver configurations
size
Integrated demagnetization of inductive loads
Heat – When driving multiple outputs
Drive accuracy
diagnosis
For digital input, it is also important to note that it supports different input types, including 1/2/3 type inputs, and in some cases, 24V and 48V inputs. In all cases, reliable operating characteristics are crucial, and sometimes circuit detection is also crucial.
For digital outputs, the system uses different FET configurations to drive the load. The accuracy of the driving current is usually an important consideration. In many cases, diagnosis is also very important.
We will explore how integrated solutions can help address some of these challenges.
Design a High Channel Density Digital Input Module
The traditional split design uses a resistive voltage divider network to convert 24V/48V signals into signals that can be used by microcontrollers. The front-end can also use discrete RC filters. If isolation is required, external optocouplers are sometimes used.
Figure 1 shows a typical discrete method for constructing digital input circuits.
Figure 1. Considerations for digital input and output modules.
This type of design is suitable for a certain number of digital inputs; 4 to 8 per board. Beyond this number, this design will soon become impractical. This separation scheme can bring various problems, including:
High power consumption and related board high temperature points.
Each channel requires an optocoupler.
Excessive components can lead to low FIT rate and even require larger devices.
More importantly, the split design method means that the input current increases linearly with the input voltage. Assuming a 2.2K Ω input resistor and 24V V is used. When the input is 1, for example, at 24V, the input current is 11mA, which is equivalent to a power consumption of 264mW. The power consumption of the 8-channel module is greater than 2W, and the power consumption of the 32-bit module is greater than 8W. Refer to Figure 3 below
From a cooling perspective alone, this split design cannot support multiple channels on a single board.
One of the biggest advantages of integrated digital input design is the significant reduction in power consumption, thereby reducing heat dissipation. Most integrated digital input devices allow configurable input current limitations to significantly reduce power consumption.
When the current limiting value is set to 2.6mA, the power consumption is significantly reduced, with each channel approximately 60mW. The rated value of the 8-channel digital input module can now be set below 0.5
Another reason for opposing the use of split logic design is that sometimes DI modules must support different types of inputs. The standard 24V digital input specifications published by IEC are divided into Type 1, Type 2, and Type 3. Type 1 and Type 3 are usually used in combination because their current and threshold limits are very similar. Type 2 has a current limit of 6mA, which is higher. When using the split method, it may be necessary to redesign as most discrete values need to be updated.
However, integrated digital input products typically support all three types. Essentially, Type 1 and Type 3 are generally supported by integrated digital input devices. However, in order to meet the minimum current requirement of 6mA for Type 2 input, we need to use two channels in parallel for one field input. And only adjust the current limiting resistance. This requires a circuit board change, but the change is minimal.
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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Main products:
PLC, DCS, CPU module, communication module, input/output module (AI/AO/DI/DO), power module, silicon controlled module, terminal module, PXI module, servo drive, servo motor, industrial display screen, industrial keyboard, controller, encoder, regulator, sensor, I/O board, counting board, optical fiber interface board, acquisition card, gas turbine card, FIM card and other automatic spare parts
