Programming a Programmable Logic Controler (PLC)
Programming a Programmable Logic Controler (PLC)
Programming a Programmable Logic Controler (PLC)
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LD, a simple program based on the former relay example<br />
A coil symbol<br />
—( )—<br />
A contact symbol<br />
LD, logic basics<br />
make contact (Schliesserkontakt)<br />
Sensor Actor<br />
di_switch do_bell<br />
http://www.plcs.net/chapters/replace8.htm<br />
break contact (Öffnerkontakt)
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