A program which resides in the I/O Processor that communicates with a particular type of instrumentation and standardizes instrument signals to pass to the Advanced Control System.An I/O Driver can handle multiple interfaces of the same type.; 駐留在輸入輸出處理機(jī)中的一種程序,它同特定類型的測量儀器通信并將儀器信號標(biāo)準(zhǔn) 化,以便傳送到高級控制系統(tǒng)中。一個輸入輸出驅(qū)動程序能夠處理同種類型的多個接口。