Unverified50% confidenceFactExact time
首台商用PLC由Bedford Associates公司（后来的Modicon）开发，型号为Modicon 084
1
Sources
50%
Confidence
Long-term
Relevance
7/7/2026
First Seen
Sources
Taiganet与WS4000模拟器：工业控制系统的逆向重生
hackernewshackernews7/6/2026
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