Originally Posted by trubleshtr I still get same error code, which according to my manual means either, parity error,Over run error, or framing error.
Now, I understand the parity error , and tried changing to all other parity options systematically, = no good.
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I am not sure what the problem is you have but an understanding of what the 'frame' is, is a help. The RS232 is a asynchronous method of transmission , which means the recieving device locks on to the the incoming bit stream when it sees a start bit, and when it sees what it thinks is a stop bit it assumes that is then end of a 'frame' , therefore both send and recieve devices have to be in tune as to the data word set up, i.e. start bit, data, parity, stop bit(s) etc. and of course, baud rate.
If for instance one is set to 6 data bits and the other 8 data bits, then a frame error will probabally result.
Al