B&R X20AI4622 PLC module X20AI4622 B&R Brand Fast Shipping FedEx or DHL

Skype :+ 86 13695017671

Supply number:X20AI4622
Description: X20 analog input module, 4 inputs, ±10 V or 0 to 20 mA / 4 to 20 mA,
13-bit converter resolution, configurable input filter
The concept of functional module independence in X20AI4622 is a direct result of the concepts of functional modularity, abstraction, information concealment and localization.
Abstraction refers to concentrating and summarizing some similar aspects that exist between things, states or processes, while temporarily ignoring the differences between them, that is, considering the essential characteristics of abstract things without temporarily considering their details. Information concealment refers to redesigning functional modules so that the information (process or data) contained in a functional module cannot be accessed by functional modules that do not need this information. The principle of information concealment will bring great benefits to future modifications to the software during software maintenance, because a large amount of data and processes are not detectable by other parts of the software, so modifications to a certain functional module will not affect the software. For other parts, the so-called localization refers to placing some closely related software elements physically close to each other.
Functional module independence is achieved by formulating functional modules that have a single function and do not have too many connections with other functional modules. Each functional module only involves a specific sub-function required by the software, and the interface with other parts of the software structure is simple.
Software with good functional module independence has simple interfaces and is easy to compile. Independent functional modules are also easier to test and maintain, which limits the side effects of modifications caused by the close connection between functional modules. Independence is an important factor in ensuring software quality.
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