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Re: ASCII and Modbus


Jim Purcell
 

iman,

Unfortunetly the
controller use ASCII protocol to comunicate.
Another question, How many bits a register in ASCII,is
ASCII have stop bit,parity bit as MODBUS has ?
First off, stop bits have to do with seriel communication
and as far as I know have nothing to do with the code.
ASCII is a seven bit code in some systems, the extra
bit is used for error detection, in others that bit
allows for ANSI characters. Look at a good computer
book and it will show those characters, in decimal they
begin at 128.

Jim

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