PFXC141 3BSE029997R1   | ABB | Power consumption control function

Description

PFXC141 3BSE029997R1   | ABB | Power consumption control function

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PFXC141 3BSE029997R1 Company’s STM32 is currently the most popular control chip, which uses ARM’s latest and advanced Cortex-M3 core; In terms of performance, it not only has outstanding power control functions, but also integrates various useful peripherals, such as three 12 bit ADC peripherals with the highest 1 MHz, two 12 bit DACs, large program memory ranging from 256 K to 512 K bytes, 64 K SRAM, and so on; Its maximum operating frequency can reach 72 MHz. In terms of program design, ST Company provides a comprehensive firmware library that encapsulates the operation functions of various registers. The operation method is very standardized, and program design is relatively easier than other control chips. Among the many chip models of STM32, PFXC141 3BSE029997R1 is the most suitable one, which not only includes all the required peripherals, but also has a low price.

In the process of tension control, the analog voltage amplified by real-time sampling can be converted into corresponding digital quantities using a 12 bit high-performance ADC. The digital signal input from the angular velocity detector is coupled to the controller through a photoelectric isolator. There are two types of angular velocity detectors, one is called proximity switch and the other is called encoding switch. During the rotation of the roller, the teeth on the roller cause them to have high and low level digital changes, achieving the measurement effect. For the convenience of users, a good human-machine interface is provided here. Firstly, an input method combining buttons and encoders is provided; Secondly, the measured tension and set tension can be displayed on the PFXC141 3BSE029997R1 , and the digital tube can also display the current output percentage.

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