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当主机PC与某从机通信时，主机首先发送命令FFH，使各从机的SM2全置1.然后发送该从机的地址m（00H～FFH），注意地址帧的附加位D9=1，所以此时所有从机都进行串行中断响应处理（入口地址：0023H）。各从机中断响应处理为：将接收到的地址号m与自己的编号进行比较，如果不相等，则不予理睬，如果相等，则置SM2=0，并且等待继续接收将要选通的通道号n（0H～FH），再将n送到P3口。**后主机发送通道号n，由于n作为数据帧所以此时置D9=TB8=0.由于此时只有编号为m的从机的SM2=0，所以m号从机的n号通道选通。任何时候只能选通某一个从机的某一个通道。
对主机PC串行口的编程不仅要选择相同的波特率，而且要对通信线路控制器LCR进行巧妙地设置，为了与单片机的方式3相匹配，对LCR的设置为：8位数字长、允许奇偶校验、1位停止位。注意信号的奇偶校验位D9不能设置为固定的0或1，所以必须灵活选择奇校验还是偶校验以便设置D9为0或1.当发送地址帧时，需要D9为1，所以如果此时的地址的二进制码中“1”的个数为奇数，则选择偶校验，若为偶数，则选择奇校验。而发送数据帧时，选择正好相反。 IC697ALG444IC697ALG444
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DS200AAHAH2AED
DS200ACNAG1A CARD ARCNET
DS200ADMAH1AAA ANALOG TO DIG.MODULE
CONF/COAT
DS200ADPAG1A GENIUS ADAPT CARD
DS200ADPBG1A GENIUS ADAPTER
DS200CPCAG1A ConTACTOR PILOT CARD
DS200CTBAG1A TERM. BD (C)
DS200DACAG1A TC2000 AC/DC CONV. BD.
DS200DCFBG1B DC POWER AND FEEDBACK
DS200DCPAG1A ConTROL PROCESSOR AUXILL
DS200DDTBG2A ADMA TERMINAL BOARD
DS200DENCF1ACF SOFTWARE PROM SET
DS200DENCF1ACG SOFTWARE PROM SET
DS200DENCF1ACH SOFTWARE PROM SET
DS200DENCF1ADB SOFTWARE PROM SET
DS200DENCF1BCB SOFTWARE PROM SET
DS200DENCF1BDB SOFTWARE PROM SET
DS200DENCF1BDC SOFTWARE PROM SET
DS200DENCF1BDD SOFTWARE PROMSET
DS200DENCF1BDE SOFTWARE PROM SET
DS200DENQF1ACG SOFTWARE PROM SET
DS200DENQF1ACH SOFTWARE PROM SET
DS200DENQF1ADB SOFTWARE PROM SET
DS200DENQF1BCB SOFTWARE PROM SET
DS200DENQF1BDB SOFTWARE PROM SET
DS200DENQF1BDC SOFTWARE PROM SET
DS200DENQF1BDD SOFTWARE PROM SET
DS200DENQF1BDE SOFTWARE PROM SET
DS200DMCBF1BBC SOFTWARE PROM SET
DS200DMCBF1CFA SOFTWARE PROM SET
DS200DMCBF1CHA SOFTWARE PROM SET
DS200DMCBF1CJC SOFTWARE PROM SET
DS200DMCBG2A IOS DUP PROCESSOR
DS200DPCBG1A IOS+ POWER ConNECT CARD
DS200DSPAF1ABE SOFTWARE PROM SET
DS200DSPAF1ABF SOFTWARE PROM SET
DS200DSPBF1ABD SOFTWARE PROM SET
DS200DSPCF1AAF SOFTWARE PROM SET
DS200DTBAG1A TERM. DIGITAL CONT. IN
DS200DTBBG1A TERM. BD DIGITAL CONT. IN
DS200DTBCG1A TERM. BD RLY/SOLENOID
DS200DTBDG1A TERM. BD RLY SOLENOID
DS200EXDEG1A DE-EXCITATION CONTROL
DS200EXPSG1A POWER SUPPLY CARD
DS200FCGDH1ABA LCI ConTROL & GATING
DS200FCGDH1B LCI CNTRL & GATING CONF/COAT
DS200FCSAG1A CURRENT SENSING INTERFAC
DS200FECBG1A FIELD EXCITER CROWBAR
DS200TBCBG1A TERMINATION(C)ANALOG SIGNALS
DS200TBPAG1A PLU TERMINATION BD
DS200TBPXG1A PROX SIGNAL BUFFER MODUL
DS200TBQAG1A TERM.BD (C)R-S-T TC I/O
DS200TBQBG1A TERM BD(R-S-T) ANALOG I/O
DS200TBQCG1A TERM BD(R-S-T) ANALOG I/O
DS200TBQDG1A TERM BD (R-S-T) EXT ANALOG
SIG
DS200TBQEG1B LM6000(RST)ANALOG TERM.C
DS200TBQFG1A LARGE STEAM I/O TERMINAT
DS200TBQFG1B LARGE STEAM I/O TERMINAT
DS200TBQGG1A TERMINATION MODULE
DS200TBSAG1A MK5_LM_TRANSDUCER_TB
DS200TCCAF1ACC SOFTWARE PROM SET
DS200TCCAF1ACE SOFTWARE PROM SET
DS200TCCAF1ACF SOFTWARE PROM SET
DS200TCCAF1ADA SOFTWARE PROM SET
DS200TCCAF1ADC SOFTWARE PROM SET
DS200TCCAF1ADD SOFTWARE PROM SET
DS200TCCAF1BDB SOFTWARE PROM SET
DS200TCCAF1BDD SOFTWARE PROM SET
DS200TCCAF1BDF SOFTWARE PROM SET
DS200TCCAG1A (C) ANALOG I/O BOARD
DS200TCCAG1B TC2000 COMMON ANALOG I/O
DS200TCCAG2A (C) ANALOG I/O BOARDF
DS200TCCAP1BAD SOFTWARE PROM SET
DS200TCCBF1ACA SOFTWARE PROM SET
DS200TCCBF1ACB SOFTWARE PROMSET
DS200TCCBF1BDA SOFTWARE PROM SET
DS200TCCBF1BDB SOFTWARE PROM SET
DS200TCCBF2BDA SOFTWARE PROM SET
DS200TCCBF3BAG SOFTWARE PROM SET
DS200TCCBF3BAH SOFTWARE PROM SET
DS200TCCBF3BAI SOFTWARE PROM SET
DS200TCCBF3BAJ SOFTWARE PROM SET
DS200TCCBG1A C EXTENDED ANALOG
DS200TCCBG1B TC2000 (C) EXP. ANALOG I
DS200TCCBG2A C EXTENDED ANALOG
DS200TCCBG3A C EXTENDED ANALOG
DS200TCCBG5B TC2000<C>EXP ANALOG I
DS200TCCBG6B TC2000 (C) EXP. ANALOG I
DS200TCCBG7B TC2000 (C) EXP. ANALOG I
DS200TCCBG8B TC2000 <C> EXP. ANALOG I
DS200TCCBP1BAC SOFTWARE PROM SET
DS200TCCBP2BAB SOFTWARE PROM SET
DS200TCDAF1ACD SOFTWARE PROM SET
DS200TCDAF1ACE SOFTWARE PROM SET
DS200TCDAF1BCE SOFTWARE PROM SET
DS200TCDAF1BCH SOFTWARE PROM SET
DS200TCDAF1BCI SOFTWARE PROM SET
DS200TCDAH1B DIG. I/O BD. CONF. COAT
DS200TCDAP1BCJ SOFTWARE PROM SET
DS200TCEAF1ACH SOFTWARE PROM SET
DS200TCEAF1ACK SOFTWARE PROM SET
DS200TCEAF1ACM SOFTWARE PROM SET
DS200TCEAF1BDC SOFTWARE PROM SET
DS200TCEAF1BDE SOFTWARE PROM SET
DS200TCEAF1BEA SOFTWARE PROM SET
DS200TCEAF1BEB SOFTWARE PROM SET
DS200TCEAF1BEC SOFTWARE PROM SET
DS200TCEAG1B EMERGENCY OVER SPEED
BOARD
DS200TCEAG2B TC200 EMERGENCY OVERSPEED
DS200TCEAP1BBD SOFTWARE PROM SET
DS200TCEBG1A COMMON CIRCUITS EOS BOARD
DS200TCEBG1B COMM. CIRCUITS FOR THE EOS
BD.
DS200TCEBG1B/RR CARD REPAIR
DS200TCPAF1AAC SOFTWARE PROM SET
DS200TCPAF2AAB SOFTWARE PROM SET
DS200TCPAG1A ConTROL PROCESSOR
DS200TCPDG1A POWER DISTRIBUTION BD
DS200TCPDG1B POWER DISTRIBUTION MODULE
DS200TCPDG2B POWER DISTRIBUTION MODUL
DS200TCPSG1A DC INPUT PWR SUPPLY BOARD
DS200TCQAF1AEC SOFTWARE PROM SET
DS200TCQAF1AED SOFTWARE PROM SET
DS200TCQAF1AEE SOFTWARE PROM SET
DS200TCQAF1AFB SOFTWARE PROM SET
DS200TCQAF1BBC SOFTWARE PROM SET
DS200TCQAF1BBD SOFTWARE PROM SET
DS200TCQAF1BBE SOFTWARE PROM SET
DS200TCQAF1BBF SOFTWARE PROM SET
DS200TCQAG1A (R-S-T) ANALOG I/O BD
DS200TCQAG1B (RST) ANALOG I/O BOARD
DS200TCQAG2B TC2000 RST ANALOG I/O
DS200TCQAP1BAB SOFTWARE PROM SET
DS200TCQBF1ABG SOFTWARE PROM SET
DS200TCQBF1ABI SOFTWARE PROM SET
DS200TCQBF1ABJ SOFTWARE PROM SET
DS200TCQBF1BAC SOFTWARE PROM SET
DS200TCQBF1BAD SOFTWARE PROM SET
DS200TCQBF2BAA SOFTWARE PROM SET
DS200TCQBG1A (R-S-T) EXT ANALOG I/O BD.#1
DS200TCQBG1B (RST)EXTENDED ANA. I/O BD.#1
DS200TCQBG2A (RST)EXTENDED ANA.I/O BD.#1
DS200TCQCG1A (R-S-T) OVERFLOW BOARD
DS200TCQCG1B (RST) OVERFLOW BOARD
DS200TCQEF1ABB SOFTWARE PROM SET
DS200TCQEF2ABA SOFTWARE PROM SET
DS200TCQEG1A LM6000 I/O PROCESSOR
DS200TCQEG2A LM6000 I/O PROCESSOR
DS200TCQEP2AAB SOFTWARE PROM SET
DS200TCQFG1A TC2000 ANALOG I/O EXPAND
DS200TCRAG1A RELAY OUTPUT BOARD
DS200TCRAG2A RELAY OUTPUT BOARD
DS200TCSAG1A UC/TRANSDUCER_INTFC_BD
DS200TCTEG1A TC2000 TRIP MODULE
DS200TCTGG1A GT TMR/SIMPLEX TRIP BD
DS200TCTGG2A TC2000 TRIP MODULE
DS200TCTLG1A ST TMR LARGE REHEAT TRIP BD.
DS200TCTSG1A ST/TRM/SIMPLEX TRIP BOARD
DS200TCTSG2A ST/TRM/SIMPLEX TRIP BOARD
DS200TCTSG3A ST/TRM/SIMPLEX TRIP BOARD
DS200TGDBG1A CV2000 GATE AND FEEDBACK
DS200TMIAP1ACG SOFTWARE PROM SET
DS200TURCF1ABA SOFTWARE PROM SET
DS200TURQF1ABA SOFTWARE PROM SET
DS200UCIAG1A UC2000 MOTHER BOARD
DS200UCIAG2A UC2000 MOTHER BOARD
DS200UCIAP1AAC SOFTWARE PROM SET
DS200UCIBG1A UC2000 MOTHER BOARD
DS200UCIBG3A UC2000 MOTHER BOARD
DS200UCPBG6AFB LAST TIME BUY-486DX-1002 ***
DS200UDSAG1A UC2000 DISPLAY KEY
DS200UPLAG1B UC2000 LAN/PS
DS200UPSAG1A UC2000 POWER SUPPLY
DS200VPBLG1A VME P2 BACKPLANE FOR LCI
DS2020DACAG1 AC TO DC MODULE
DS2020EXPMG2 EXCITER PROTECTION MODULELDCC
DS2020EXPSG1 EXCITER POWER SUPPLY
DS2020EXPSG3 EXCITER POWER SUPPLY
DS2020FFMCG1 350A FLD FLSHG PNL
DS2020LPPA340A LINE PROTECTION (40MM MOV'S)
DS2020LPPB320A LINE PROTECTION PANEL MODULE
DS2020PDMAG2 POWER DISTRIBUTION MODULE
DS2020PDMAG4 PWR DIST MODULE/ MARK 5-CE
DS2020PDMAG5 PWR DIST MODULE/ MARK 5-CE
DS2020SVSAG2 PANEL MTD S.V.S.PANEL
DS2020SVSBG1 SHAFT SUPP. PANEL
DS208A020010 SUPERTOOL BOX SOFTWARE 6.1
DS215DMCBG1AZZ02A DMCBG1 & FW
DS215DMCBG1AZZ03A DMCBG1 & FW
DS215KLDCG1AZZ03A KLDCG1 & FW
DS215LMGCG4AZZ01A SDCCG4A & FW
DS215LMGQG4AZZ01A SDCCG4A & FW
DS215SDCCG1AZZ01A CARD PLUS FIRMWARE
DS215SDCCG1AZZ01B SDCCG1 & FW
DS215SLCCG1AZZ01A SLCCG1 & FIRMWARE
DS215SLCCG1AZZ01B SLCCG1 & FW
DS215TCCBG3AZZ01A TCCBG3A & FW/SEE NOTES
DS215TCCBG3BZZ01A TCCBG3B & UPGRADE FW
DS215TCCBG3BZZ01B SEE NOTES - EX2000 USE ONLY
DS215TMCBP1AZZ01A UCIBG1/LBC586P& FW MKV LM
DS215TMCBP3AZZ01A UCIBG3/LBC586P& WS, CFLH,
PANA
DS215UCIAG1AZZ05A UC2000
DS215UCIBG3AZZ01A UCIBG3/LBC586P INNOV. CONTRL
DS215UCVBG1A USE DS215UCVDG1A
DS215UDSAG1AZZ01A UDSAG1 & FW
DS215UPLAG1BZZ01A UPLAG1 & FW????