【正文】 。 下面的表格是 PC 機(jī)發(fā)送的命令幀的數(shù)據(jù)格式，以及數(shù)據(jù)幀中每個部分的類型和長度：SOH Type L STX UPS address Command Data ETX Checksum1 1 1 1 1 2 n 1 1bin. bin. bin. bin. ASCII ASCII ASCII bin. bin.下面的表格是 UPS 發(fā)送的響應(yīng)幀的數(shù)據(jù)格式：SOH ACK L STX Addr. Mode Group Command Data ETX Checksum1 1 1 1 1 1 1 2 n 1 1bin. bin. bin. bin. ASCII ASCII ASCII ASCII ASCII bin. bin.其中：SOH : 數(shù)據(jù)幀的起始位 (01H)STX : ASCII 格式數(shù)據(jù)的起始標(biāo)示位 (02H)ETX : ASCII 格式數(shù)據(jù)的終止標(biāo)示位 (03H)ACK : “確認(rèn)數(shù)據(jù)幀”的標(biāo)示位 (0A0H)Type : 發(fā)送數(shù)據(jù)幀的類型L : 數(shù)據(jù)包的長度，對于 NACK 數(shù)據(jù)幀其數(shù)值固定為 0AHAddress : 被訪問 UPS 的地址Mode : 被訪問 UPS 的模式 (1 = 主機(jī)， 0 = 從機(jī))Group : 被訪問 UPS 的組別 (被編寫但沒有使用)Command : 需執(zhí)行的命令類型Data : 發(fā)送的數(shù)據(jù)：其數(shù)據(jù)取決于命令Checksum : 數(shù)據(jù)包中的校驗和。收到無效的請求后 UPS 返回一個 NACK 數(shù)據(jù)幀，這個數(shù)據(jù)幀含有一個編碼用來警告和識別出現(xiàn)錯誤的原因。NACK 數(shù)據(jù)幀的“NACK CODE”由兩個 ASCII 碼組成，如下所示：01 來自 UPS 主機(jī)的信息超時02 沒有收到 STX/緩沖區(qū)內(nèi)的數(shù)據(jù)沒有發(fā)給 UPS 主機(jī)03 不是 ASCII 碼文本04 校驗和錯誤05 UPS 未就緒06 數(shù)據(jù)錯誤07 命令錯誤08 一級密碼錯誤09 數(shù)據(jù)包中數(shù)據(jù)長度過長（超出緩沖區(qū)范圍）10 UPS 內(nèi)部的 CAN BUS 沒有正常運(yùn)行11 參數(shù)頁面錯誤12 設(shè)置參數(shù)溢出正常范圍13 數(shù)據(jù)包實(shí)際長度與數(shù)據(jù)包中長度信息不一致14 從 UPS 從機(jī)接收到錯誤的數(shù)據(jù)幀15 UPS 主從機(jī)之間通信超時16 二級密碼錯誤PC 從節(jié)點(diǎn)收到 SOH 后設(shè)置一個最長可以為 2 秒鐘的超時等待時間。一臺 UPS 如果連續(xù) 3 次沒有正常響應(yīng)，就應(yīng)該把它從當(dāng)前 UPS 列表中刪除，而且 PC 機(jī)最好通過重新獲取節(jié)點(diǎn)配置信息來更新 UPS 列表。C Data not available (***.* transmitted).Temperature T2 T air out 176。C Data not available (***.* transmitted).Temperature T4 T battery 176。Chapter 8 PROTOCOL ON SERIAL INTERFACE RS 232. Power Plant UPSFormat of messages Communication system Page 45(03/00) 獲取運(yùn)行參數(shù)PC | SOH | 93H | 05H | STX | Address UPS | “L” | ETX | Checksum |NODE | SOH | A0H | 82H | STX | Address | Mode | Group | “L” | Parameters | ETX | Checksum |其中：parameters:Automatic start 00=no/01=yes (2 bytes)Test Duration xx min (2 bytes)Alarm threshold voltage V (4 bytes)Days to next test xxx days (3 bytes)Time start test (8 bytes)Date start test (8 bytes)Input Control Motor generator: BLK SYNC 00=no/01=yes (2 bytes) “ “ Motor generator: BLK CHARGE 00=no/01=yes (2 bytes) “ “ Motor generator: POWER RED. 00=no/01=yes (2 bytes)Serial Number xxxxxxxx (8 bytes)Time to last servicing (8 bytes)Date to last servicing (8 bytes)Time to next servicing (8 bytes)Date to next servicing (8 bytes)Rated Power xxxx kVA (4 bytes)UPS Type 00=3P (Not used) (2 bytes)01=1PConfiguration For UPS (2 bytes)00= SINGLE01= PARALLEL with MSS internal02 = PARALLEL with MSS external03 = ECO MODE For MSS03 = MSS Rated Voltage (input) 00=380 V (2 bytes)01=400 V02=415 VUpper input limit xx (2 bytes)Lower input limit xx (2 bytes)Upper output limit xx (2 bytes)Lower output limit xx (2 bytes)Nominal 00=50 Hz (2 bytes)01=60 HzTolerance x % (1 byte)Slewrate 00= Hz/sec (2 bytes)01= Hz/sec02=1 Hz/secParameters only for UPS (not modifiable forMSS)Number of cells xxx (3 bytes)Battery rated capacity xxxx Ah (version ) (4 bytes)End discharge per cells V (4 bytes)Preal. end discharge per cells V (4 bytes)Maximum per cells V (4 bytes)Automatic boost charge 00=no/01=yes (2 bytes)Time out boost charge xxxx min (4 bytes)Threshold boost charge current xx A (2 bytes)Power plant UPS Chapter 8 PROTOCOL ON SERIAL INTERFACE RS 232Communication system Format of messagesPage 46 (03/00) 設(shè)置運(yùn)行參數(shù)PC | SOH | 93H | 18H | STX | Address UPS |“S (blank)” | “password” | “codedata” | “data” | ETX | Checksum |NODE | SOH | A0H | 07H | STX | Address | Mode | Group | “S (blank)” | ETX | Checksum |其中：password 8 個字符codedata 3 個字符data 8 個字符而且是右對齊，(例如 00000035) 02 Automatic start03 Test duration04 Alarm threshold voltage05 Days to next test06 Time of start test07 Date of start test08 Motor generator: BLK SYNC09 Motor generator: BLK CHARGE10 Motor generator: POWER RED.11 Serial Number14 Time of last servicing15 Date of last servicing16 Time to next servicing17 Date to next servicing18 Rated Power19 UPS Type20 Configuration21 Rated voltage (input)22 Upper limit input23 Lower limit input24 Upper limit output25 Lower limit output26 Frequency27 Tolerance28 Slewrate29 Number of cells30 Rated capacity31 End discharge per cells32 Preal. end discharge per cells33 Maximum per celles35 Automatic boost charge36 Time out boost charge37 Threshold boost charge currentChapter 9 PROTOCOL OF INTERNAL RS 485. Power plant UPS Communication systemPage 41(03/00) 遙控命令PC | SOH | 94H | 0FH | STX | Address UPS | “cmd1” | “cmd2” | “password “ | “delay1” |“delay2” | ETX | Checksum |NODE | SOH | A0H | 07H | STX | Address | Mode | Group | “cmd1” | “cmd2” | ETX | Checksum |where:password 8 個字符cmd1, cmd2 2 個字符 I INVERTER OFFI+ INVERTER ONB+ Start BATTERY TESTQ+ Start BATTERY BOOST CHARGER RECTIFIER OFFR+ RECTIFIER ONC BYPASS OFFC+ BYPASS ONA+ ALARMS RESET (delay1, delay2=0,0)delay1, delay2: 2 個字符 延時執(zhí)行時間（以秒為單位）Power plant UPS Chapter 9 PROTOCOL OF INTERNAL RS 485.Communication systemPage 42 (03/00) 單一請求PC | SOH | 95H | 05H | STX | Address UPS | “req1” | “req2” | ETX | Checksum |NODE | SOH | A0H | var. | STX | Address | Mode | Group | “req1” | “req2” | “data” | ETX | Checksum |where :req1, req2 dataM UPS type(MASTER/SLAVE), SW version on UPS Board and Operator BoardS date ‘’time ‘’status of system blocks (1 2 3 4 5 6 7 8 )1 = status of