Ladder diagram for Quiz 3 groups
I used Mitsubishi PLC, but you can convert the ladder diagram to other PLC type such as siemens, AB, ,omron etc or other as long you configure the I/O.
Input Device:
Device | Address | Note |
| Push Button 1 | X1 | for the first group |
| Push Button 2 | X2 | for the second group |
| Push button 3 | X3 | for the thrid group |
| Push button 4 | X4 | Reset by the judge |
Output Device:
Star Delta circuit and ladder diagram
As we know start delta use for starting induction motor to reduce rush .in this post I made the start delta control with PLC Power Wiring diagram for Start Delta and control diagram with relay below, we use 3 contactors and 1 on delay timer :
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PLC omron to VB
In this post , I'd like to Change the state of PLC (run,monitor,stop) from the VB.I send the command from VB to PLC and then PLC responds and the change their state ,
please make VB interface below:
Button ON VB to Omron PLC
in this article Push button on VB interface can drive the bits on Omron PLC,there are two type off button , first SET RESET button and second temporary Push button, you can modified the address of bits by change the sent command.
please make VB interface below::
