1 results about "Circuit complexity" patented technology

The invention discloses a digital chromatographic system which is composed of a central control unit, a communication module, a digital conversion module and a chromatographic device. The chromatographic device is a full-automatic purification system, the chromatographic device comprises a UV detector, a membrane pump, a pressure detector, a flow detector, a pH and Conductivity detector, a liquidlevel detector and an automatic valve; the system is provided with an RS485 communication module, an RS232 module and a ProfibusDP remote module; the communication module is direct in digital communication with an instrument and reads or writes in related numerical values; the digital conversion module converts on-site common analog signals into digital signals and transmits the digital signals into a control unit through the digital communication technology; the control unit and the instrument are subjected to full-digital communication control, after digital communication is introduced, analog signal attenuation, analog signal interference, installing circuit complexity and other problems in the prior art are solved, and water solutions and solutions with large viscosity can be effectively distinguished through an IOLink sensor.