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可編程控制器的結構

1.       PLC的結構包括硬件和軟件兩大部分。在硬件和控制對象之間有三環：

2.       個環：是操作系統，用它來管理PLC的硬件資源；

3.       個環：是編譯系統，這兩 個環構成了的PLC軟件系統。

4.       第三個環：是實現用戶要求的應用程序。 PLC的硬件原理框圖

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SCHNEIDER TSX MICRO 24VDC INPUT MODULE TSXDEZ12D2

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TELEMECANIQUE 3-POLE 0.63-1A MOTOR CIRCUIT BREAKER GV2-RT05

TELEMECANIQUE SQUARE D LATERAL ConTACT BLOCK LAD8N20 *NEW*

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