In other words, every servant microcomputer can be regarded as one independent controlunit, transacts measuring and controlling affair on the spot, several servant controllers are networked by the digital communication interface, and link with industrial control computer, thus make up the distributing tobacco measuring system.
The procedure of the whole system and the coordination of every sub-block arecontrolled by the system controller,which operates the knowledge base,color base andpattern base and administering the current working space through the bases and workingspace controllers.
Basedon coordination of cocoons vacuum infiltration process and equipment system auto control, designs and experiments infiltration process, system structure, sensors, controllers and executors, with a design rule for system structure and selection of sensors and electro-magnetic valves.
In the system, a PC acts as the monitor computer and the multi cell synchronous controllers and temperature controllers act as the intelligent nodes. They communicate with each other in accordance with the CAN Protocol.