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2026年PLC国产化替代进入深水区:大型PLC为何仍是外资护城河
PLC国产化替代正在进入深水区。据工控网数据,2025年中国PLC市场规模约140亿元,其中中小型PLC占比约65%,大型PLC占比约35%。但市场结构仍然高度集中:西门子、三菱、欧姆龙三家合计占据约55%的市场份额,国产PLC品牌(如汇川、信捷、和利时、台达)在中小型市场快速崛起,但大型PLC领域国产化率仍不足15%。这个"深水区",才是国产替代真正需要啃下的硬骨头。
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