软设备模型是知识网格环境下统一的资源模型。
The soft-device model is the universal resource model in the Knowledge Grid environment.
该通信程序能读写FX全系列PLC内部各种软设备，强制复位与置位位映象元件。
The communication program can read or write each soft device inside FX series PLC, and allow individual bit images to be forced on or OFF.
指示器的指示字还包含一个值，当相应行不在存贮器中时，它引起硬设备或软设备中断。
The pointer to a row can contain some value which causes a hardware or software interrupt in case the row is not in memory.
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