IC693NTU004 GE

IS200SRLYH2A GE
IS200SRTDH2A GE
IS200SRTDH2ABA GE
IS200SSCAH2A GE
IS200SSCAH2ADB GE
IS200STAIH2A GE

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描述

继电器控制线路中各继电器同时都处于受控状态,属于并行工作方式。而PLC的控制逻辑中,各内部器件都处于周期性循环扫描过程中,各种逻辑、数值输出的结果都是按照在程序中的前后顺序计算得出的,所以属于串行工作方式。

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