In the paper,the current trend of the computer control system is briefly told,the current development of the fieldbus control system FCS is explined,and the advantages and disadvantages of the distributed control system DCS and the FCS in the industrial production control are analysed.
It controls both analog and switch PC being widely used industrial production control. Nowadays PC technology, Robot and CAD/CAM technology are the most important in industrial automation.
The industry first floor control network is being in the aspect which the many kinds of main fieldbus coexists,mixes the field bus is in the industrial production control system the more common one network way.
This paper introduces the multiple-purpose controlled atmosphere electric oven ruled by P. L. C. according to the condition and time sequency of the oven ,in which seqential control is proceeded with step-sequency generator. It saves a lot of relays,solves the problem of contactor competitions and is reliable. The application of P. L. C brings the industrial production control into the applied computer field.
The paper briefly relates the use of F_2 series programmable controller (PC)in controlling furnace temperature, and the ladder program chart. PC control system is common, reliable and adaptable. It's good at anti-jamming, easy to wire and operate. The latest PC not only possess the Boolean calculation, timing, counting but can also complete data calculation and processing. It controls both analog and switch PC being widely used industrial production control. Nowada...
In the paper,the current trend of the computer control system is briefly told,the current development of the fieldbus control system FCS is explined,and the advantages and disadvantages of the distributed control system DCS and the FCS in the industrial production control are analysed.Therefore,the writer thinks the on-site fieldbus technology will some day take the place of the DCS technology and become the main control technology.