plc cpu modules register components, including general-purpose registers, special registers and control registers.
General-purpose registers can be programmable logic controller plc into two types of fixed-point and floating-point numbers, which are used to save the instruction operand registers and operation results.
General-purpose input module plc are an important part of the central processor, most instructions have access to the general-purpose registers. General register determines the width of the internal data path width of the machine, the number of ports can often affect the operation of the internal parallelism.
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