描述
PLC是采用软件编制程序来实现控制要求的。编程时要使用到各种编程元件,它们可提供无数个动合和动断触点。编程元件是指输入寄存器、输出寄存器、位存储器、定时器、计数器、通用寄存器、数据寄存器及特殊功能存储器等。
SONY 1958 ORIGINAL PROTOTYPE FM TRANSISTOR STEREO TUNER
SONY’S FIRST HI-FI COMPONENT ONE-OF-A-KIND HAND-BUILT!
15KW BATTERY SOLAR PANEL ARRAY SIMULATOR DC POWER SUPPL
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SEMICONDUCTOR LED WAFER PROCESS CONTROL DC POWER SUPPLY
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