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I am looking for a board to interface with an Embedded PC -( Single Board) protocol for communication RS232 or RS485

want i need is as follows

8 x Digital Inputs
8 x Analogue Inputs ( 4-20ma)
4 x Relay or Solid State outputs

with wired terminal connection points to the board for the various sensor we wish to connect -
Supply Voltage 9-30vdc

ideally with low current consumption less than 100ma

can you please provide feedback to me in an email

thanks you Damien

Try the Advantech ADAM modules ( or the Moxa remote I/O modules.