In SX Microcontrollers, SX/B Compiler and SX-Key Tool, AHMET AKSU wrote:

thanks Kramer for the reply.in my aplication I want to make comunication betwen one industrial pc (the master......) and 20 piece of sx.I think a protocol like that for the start
 

 

  byte 1   ":"         this is the start caracter

  byte 2               the adres of sx between 1 and 20

  byte 3               comand (a number between 1 and 20)  

  byte 4 to byte n   n numbers of data byte which abaut the byte 3

  the final byte : the checksum of the bytes for the transmition control

 

 

I have writen pc side code to make this.and test vb progam with a industrial temperature controler.I need information abaut the usart of the sx.I want to know which command to transmit ,which comand to receive?

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