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• RECTIFIER DC2 AND DRIVE UNIT T

• ABB Group is one of the world's top 500 companies and is headquartered in Zurich, Switzerland. ABB was formed in 1988 by the merger of two international companies with a history of more than 100 years: Sweden's ASEA and Switzerland's BBC Brown Boveri. The two companies were founded in 1883 and 1891, respectively. ABB is a leader in power and automation technologies. ABB's technology helps power, utility and industrial customers improve their performance while reducing their environmental impact. The ABB Group operates in more than 100 countries.

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What is the difference between analog output and digital output

The output of the analog signal is a continuous waveform, according to the size of the instantaneous value, directly acting on the load, such as the computer sound card output, the waveform is as follows:

The output of the digital signal is high and low, and the load side needs a digital processing circuit to further convert the received pulse into the required signal

What is an I/O unit?

Typically, a process control station consists of several racks, each of which can hold a certain number of modules. The rack where the CPU is located is called the CPU unit. There can only be one CPU unit in the same process station. The other racks that are used only for placing I/O modules are I/O units.

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