一般讲，PLC分为箱体式和模组式两种。但它们的组成是相同的，对箱体式PLC，有一块CPU板、I/O板、显示面板、内存块、电源等，当然按CPU性能分成若干型号，并按I/O点数又有若干规格。对模组式PLC，有CPU模组、I/O模组、内存、电源模组、底板或机架。无论哪种结构类型的PLC，都属于总线式开放型结构，其I/O能力可按用户需要进行扩展与组合。
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CANDO GEMINUS GV3000 Spinning Reel GV 3000
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Reliance Electric GV 3000 AC Drive 10V4160 10 HP 460 V
RELIANCE 15V4260 GV3000/SE AC DRIVE 15HP/11.2kW**XLNT**
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Reliance Electric 50V4151 50HP GV3000 AC Drive 50 HP
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LQQK RELIANCE VTAC7 15 HP AC VFD DRIVE GV3000/ SE L@@K
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UNUSED RELIANCE ELECTRIC GV3000/SE AC DRIVE 25HP/18.7KW
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NEW RELIANCE ELECTRIC GV3000/SE AC DRIVE 50V4260
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RELIANCE 10V4251 GV3000/SE 10HP 460V AC DRIVE***XLNT***
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Reliance GV3000/SE 22kW Vector AC Drive 30 hp
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GO VIDEO GV3000 Dual Deck VCR VHS Player & Recorder
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