In cooperation with the Institute of genetics, Chinese Academy of Sciences, our company began to develop a set of multifunctional automation system suitable for biological equipment monitoring and control in August 2012. It is required to have the characteristics of high stability, accurate parameter return and good real-time equipment control. Our company organized R & D personnel to complete the development of the system in early September. The hardware equipment is based on ni-6501 multi-channel IO controller, and the hardware circuit and software are developed. The equipment is shown in the figure below: