German ARITECH plug ARITECH model ARITECH price

ARITECH plug is a standardized method for exchanging data (data) between computer components, providing data transmission and control logic for each component in a universal way. From another perspective, if the motherboard (Mother Board) is a city, then the bus is like a public bus (bus) in the city, transmitting bits (bit) that operate back and forth along fixed routes. These lines can only transmit one bit at a time. Therefore, multiple lines must be used simultaneously to send more data, and the number of data items that the bus can transmit simultaneously is called width (width), measured in bits; the greater the bus width, the better the transmission performance. The bus bandwidth (i.e., the total amount of data that can be transmitted per unit time) is: Bus Bandwidth = Frequency × Width (Bytes/sec).

ARITECH plug composition

The fieldbus control system consists of three parts: measurement system, control system, and management system, with the hardware and software of the communication part being its most distinctive feature. 1) Fieldbus control system: Its software is an important part of the system. Control system software includes configuration software, maintenance software, simulation software, device software, and monitoring software. First, select development configuration software and human-machine interface software for control operations. Through the configuration software, complete the connections between function blocks, select function block parameters, and perform network configuration. During network operation, collect data in real-time, process data, and perform calculations. Optimize control and logical control alarms, monitoring, display, reports, etc. 2) Fieldbus measurement system: It features multi-variable high-performance measurement, enabling measuring instruments to have computing capabilities and other functions. Due to the use of digital signals, it has high resolution, high accuracy, strong anti-interference, and anti-distortion capabilities, and also provides status information of instrument equipment, allowing adjustments to the processing process. 3) Equipment management system: It can provide diagnostic information, management information, equipment operating status information (including smart instruments), and manufacturer-provided equipment manufacturing information. For example, Fisher—Rosemoune Company launched the AMS management system, which is installed in the main computer to perform management functions, forming a comprehensive management system information library for field devices. Based on this, reliability analysis and predictive maintenance of equipment are realized, changing the passive management mode to a predictable management and maintenance mode. The AMS software is based on a T architecture with the field server as the platform, supporting modular, feature-rich application software on the field server to provide users with a graphical interface. 4) Bus system computer service mode: The client/server mode is a popular network computer service mode. The server represents the data source (provider), and the application client represents the data user, which obtains data from the data source and further processes it. The client runs on a PC or workstation. The server runs on a minicomputer or mainframe, using the intelligence, resources, and data of both parties to complete tasks. 5) Database: It can organically and dynamically store large amounts of data and applications, achieving full data sharing and cross-access with high independence. Industrial equipment parameters change continuously during operation, with large data volumes and high real-time requirements for operation and control. Therefore, a distributed and real-time database system capable of mutual access and operation is formed. Mature options available on the market include relational databases such as Oracle, sybas, Informix, SQL Server; and real-time databases such as Infoplus, PI, ONSPEC. 6) Network system hardware and software: Network system hardware includes system management hosts, servers, gateways, protocol converters, hubs, user computers, and underlying intelligent instruments. Network system software includes network operating software such as NetWarc, LAN Mangger, Vines, server operating software such as Lunix, os/2, Window NT, application software databases, communication protocols, network management protocols, etc.

ARITECH plug features

Field control devices have communication functions, facilitating the construction of factory-level control networks. The openness and consistency of communication standards enable system openness and interoperability between devices. Standardization of function blocks and structures ensures interchangeability among devices with identical functions. Distributing control functions to the field provides a highly decentralized control system structure. Fieldbus technology integrates automation devices and systems into information networks, expanding their application scope; multiple control devices can be connected on a single twisted pair cable, reducing installation costs; lowering maintenance expenses; improving system reliability; and providing users with greater flexibility in system integration.

ARITECH plug selection criteria

PC communication with smart devices often relies on RS232, RS485, Ethernet, etc., mainly depending on the device's interface specifications. However, RS232 and RS485 only represent the physical media layer and link layer of communication. To achieve bidirectional data access, one must write communication applications, but most of these programs do not comply with ISO/OSI standards, can only achieve relatively simple functions, are suitable for single device types, and lack universality. In a device network composed of RS232 or RS485 devices, if the number of devices exceeds 2, RS485 must be used as the communication medium. Information exchange between devices in an RS485 network can only be achieved through a "Master" (Master) device, which is usually PC. Only one master device is allowed in such a device network, with all others being Slave (Slave) devices. Fieldbus technology is based on the ISO/OSI model, with a complete software support system capable of solving issues such as bus control, conflict detection, and link maintenance.

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