49958-2

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49958-2 is an international standard used in industrial automation. It defines an industrial communication protocol, known as fieldbus, which is used for connecting various external control devices over a common communication medium, such as a copper wiring or a fiber optic cable.

The goal of the 49958-2 standard is to provide a reliable and cost-efficient communication protocol for industrial automation systems. This communication protocol is used to send data between devices, such as sensors, actuators, and controllers, as well as an aggregation layer that connects individual devices into a single physical network. Additionally, this standard helps to ensure interoperability between devices from different manufacturers.

The 49958-2 standard is divided into two main parts: the Application Field and the Working Principle. The Application Field describes the physical setup and configuration of the 49958-2 network, including the network topology, electrical parameters, and application-specific parameters. This section also explains how the network should be tested and monitored, as well as how errors should be handled.

The Working Principle section of the 49958-2 standard defines the underlying communication protocol used by the 49958-2 network. This protocol defines the way in which data is transferred between devices over the 49958-2 network. The protocol consists of several layers, each responsible for different aspects of the communication link. All devices in the network must follow the same communication protocol in order for the network to function properly.

One of the key features of the 49958-2 protocol is that it supports hot-swap and hot-connect operation. This allows for devices to be replaced without power cycling the entire network. This feature is particularly useful for industrial automation systems, where it is essential to maintain a high degree of reliability and uptime.

Another important feature of the 49958-2 protocol is that it supports synchronization of devices in the network. Synchronization is a key requirement for time-sensitive applications, such as motion control or high-speed data interchange.

The 49958-2 standard is an important tool for achieving reliable and cost-efficient communication in industrial automation systems. It provides the necessary foundation for connecting and controlling a wide variety of industrial devices. Additionally, it helps to ensure interoperability between devices from different manufacturers.

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