PIC Modbus Controller

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PIC Modbus Controller

Postby shahrul » Wed Mar 28, 2012 11:07 pm

Hi,
I want to develop PIC Board with Modbus controller, using PIC16F887. Modbus just use RS485, with 3 PIC pin (TX, RX and Control). So, many I/O left. Any one have idea, what port should I put in this board?

It's also like PLC. I think it's normal with Digital Input, Digital Output and Analog Input. But, I want consider maybe to put keypad and SPI/I2C. So, anyone have experience use modbus or PLC at industry?
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Re: PIC Modbus Controller

Postby Idris » Thu Mar 29, 2012 8:48 am

Oh don't have experience with PLC. However good work Mr Shahrul. :)
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