BG 800 300 BE / A (0105) TPG 300
46
Error processing
The received strings are validated in the TPG 300. If an error is
detected, a negative acknowledgment <NAK> is output. A cor-
responding flag is set in the ERROR word. Errors can be
decoded after the ERROR word has been read.
Error recognition protocol
HOST
TPG 300 Explanation
Mnemonics [and parameters]
ÄÄÄ>
<CR>[<LF>]
ÄÄÄÄÄÄÄÄÄÄÄÄÄÄ>
Receives message with
"end of message"
***** Transmission or programming error *****
<ÄÄÄÄÄÄÄÄÄÄ
<NAK><CR><LF> Negative acknowledgment
of a received message
Mnemonics [and parameters]
ÄÄÄ>
<CR>[<LF>]
ÄÄÄÄÄÄÄÄÄÄÄÄÄÄ>
Receives message with
"end of message"
<ÄÄÄÄÄÄÄÄÄÄ
<ACK><CR><LF> Positive acknowledgment of
a received message
