FOXBORO P0916AE P0916FK-08 controller module

Description

Benefits Reduce business risks by minimizing process downtime. This solution brings device signals to DeltaV I/O from existing Foxboro I/A Series 200 I/O termination assemblies. Keeping device wires intact accelerates the new system startup, enabling you to rapidly resume production. Save on installation costs. Eliminating new field wiring saves money and reduces the risk of errors. Time and materials savings are significant. Preserve HART signals. Use HART® pass-through for complete diagnostics at the DeltaV Operator Station.

This selection includes the selection of features such as calculation function, control function, communication function, programming function, diagnostic function, and processing speed.

（1） Arithmetic function
The calculation functions of a simple PLC include logic operation, timing, and counting functions; The calculation functions of ordinary PLC also include data shift, comparison, and other calculation functions; More complex computational functions include algebraic operations, data transmission, etc; Large PLCs also have PID calculation and other advanced calculation functions for analog quantities. With the emergence of open systems, communication functions are now available in PLCs. Some products have communication with lower level computers, some products have communication with the same or upper level computers, and some products also have data communication functions with factories or enterprise networks. The design and selection should start from the requirements of practical applications and reasonably select the required computational functions. In most applications, only logical operations and timing and counting functions are required, while some applications require data transmission and comparison. When used for analog detection and control, algebraic operations, numerical conversion, and PID operations are only used. To display data, operations such as decoding and encoding are required.

（2） Control function
The control functions include PID control operation, feedforward compensation control operation, ratio control operation, etc., which should be determined according to the control requirements. PLC is mainly used for sequential logic control, therefore, in most cases, single or multi loop controllers are often used to solve the control of analog quantities. Sometimes, dedicated intelligent input and output units are also used to complete the required control functions, improving the processing speed of PLC and saving memory capacity. For example, using PID control units, high-speed counters, analog units with speed compensation, ASC code conversion units, etc.

（3） Communication function
Large and medium-sized PLC systems should support multiple field buses and standard communication protocols (such as TCP/IP), and should be able to connect to the factory management network (TCP/IP) when needed. The communication protocol should comply with ISO/IEEE communication standards and should be an open communication network.

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