SR511 3BSE000863R1 ABB
The CPU is mainly composed of an arithmetic unit, a controller, a register and a data, control and status bus that realizes the connection between them. The CPU unit also includes a peripheral chip, a bus interface and related circuits. Memory is mainly used to store programs and data, and is an indispensable component of PLC.
From the user’s point of view, it is not necessary to analyze the internal circuit of the CPU in detail, but the working mechanism of each part should be well understood. The controller of the CPU controls the work of the CPU, which reads the instructions, interprets the instructions and executes the instructions. But the working rhythm is controlled by the oscillating signal. The calculator is used to perform digital or logical operations and work under the command of the controller. The register participates in the operation and stores the intermediate result of the operation, and it also works under the command of the controller.
FOXBORO, EMERSON, TRICONEX, XYCOM, BENTLY, ROCKWELL, ABB, GE, Allen-Bradley, YOKOGAWA, HONEYWELL, RELIANCE, SCHNEIDER, MODICON, Westinghouse, WOODWAED, Motorola, Rexroth, ACSO, Dankong. And other major brands of DCS system accessories, robot system accessories, large servo system spare parts. (Professional discontinued accessories, original imported original products, customs declaration form, and one-year warranty.)
person: Manager Cao Telephone: 15383419322 (Same number on WeChat) QQ number: 2970592941
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