The paper introduced the application of PLC in the PSA series medical oxygen generator. It was described mainly in hardware and software in which a control system of the PSA series medical oxygen generator was designed by using OMRON CQM1H PLC.

• 本文主要介绍PLC在PSA系列医用制氧设备中的应用,着重从硬件电路和软件编程两方面阐述:利用OMRONCQM1H型PLC设计一种用于PSA系列医用制氧设备的控制系统。