serial interfacing between plc and microcontroller
serial interfacing between plc and microcontroller
(OP)
I want to serially communicate plc and microcontroller half-duplex. Plc is seimens' s7 300 and microcontroller is pic
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serial interfacing between plc and microcontroller
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RE: serial interfacing between plc and microcontroller
I Know its a little late but I would look at adding a MAX232 IC to your pic circuit to simplify comms between PLC and PIC.
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