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在PC上用RS-232或打印机口进 行数据采集已变得非常流行,这 是因为串行变换器模块具有使用方便和非侵入连接等优点。然而,工 业或医疗应用往往需要把接地与PC接地隔离开来,这是出于安全和/或抗扰性的考虑。 本文所示的电路可以供带RS-232
Data acquisition on a PC with an RS-232 or printer port has become very popular because of the ease of use and non-intrusive connection of serial converter modules. However, industrial or medical applications often need to isolate the ground from the PC ground for safety and / or immunity considerations. The circuit shown here can be supplied with RS-232