The communication stringing together a mouth of PMAC asks the problem is summed up

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(1) the setting of the communication that string together a mouth with PMAC acquiescent card is 9600, 8, 1, without odd even desired result. The setting that string together a mouth can pass those who change bat to go up to jump the line undertakes changing (2) PMAC strung together buccal communication to use CTS line, because this uses common 3 threads to string together buccal line,cannot have news report, this also is we did a lot of lines that string together a mouth to cannot join correctly however the reason of PMAC. But this can undertake changing from software, it is variable I2 setting 1 can let PMAC do not use CTS handclasp signal. (3) the module stringing together a mouth of PMAC gives an issue very easily, when using, should have patience and attentive. (4) PMAC has to all commands answer, below acquiescent circumstance to correct statement, can return character of a <ACK> (ASCII value is 6) , to wrong command, can return character of a <BELL> (ASCII value is 7) answer to data, serve as with <CR> and <ACK> terminative. Attention, i3, i4, these a few variable settings may change I9 response character. (5) the definition that PMAC strings together buccal definition and computer to string together a mouth is same, accordingly, if need oneself to make line of the communication that string together a mouth, do not forget a TXD and RXD to undertake across. What use here nevertheless is MINIPMAC, if use other PMAC card, the likelihood is through jumping the line comes in card this implementation exchange, it is at least in manual it is so of the description. PS, this its manual (Chinese edition) the mistake is not little really. CNC Milling CNC Machining