High-speed processing method of direct input / output instruction of Piel City (PLC)

摘要

The present invention relates to a high-speed processing method of a direct input / output instruction of a programmable logic controller (PLC), and is intended to speed up the processing speed of a PLC.;The present invention is achieved by direct execution of a direct input / output instruction using various control signals (I / O CS, I / O RD / WR, I / D Data Bus, I / O Add).