| Title |
Study On Design of Encoding Module for PLC input |
| Keywords |
PLC ; Ladder diagram ; Encoding module ; Input unit ; Decoder |
| Abstract |
Programmable Logic Controller(PLC) is the most widely utilized among many sorts of existing controller for the design of factory automation control system, and study about a PLC language is performed actively. In this paper, we proposed the encoding module that we increase input points when increased of the input machine which is going to control it in the FA design that used PLC. Input point is going to be extended with 2-3 points in the state that cannot equip input unit in basic base any more. Then an extension base, a power supply, an extension cable and an output unit must be equipped particularly. Then a cost must be added very much. This paper proposed the encoding module which extended an input in a small quantity , and we confirmed a feasibility through a simulation. |