【正文】 ...................................................................................... 223. “LOCAL” 程序設置 .............................................................................................................................................. 33 單一連接 .......................................................................................................................................................... 334. 串行接口 RS232 上的協(xié)議 ..................................................................................................................................... 41 數(shù)據(jù)幀的格式 .................................................................................................................................................. 41 獲取故障狀態(tài) .......................................................................................................................................... 43 獲取模擬量 .............................................................................................................................................. 44 獲取運行參數(shù) .......................................................................................................................................... 45 設置運行參數(shù) .......................................................................................................................................... 46 遙控命令 .................................................................................................................................................. 41 單一請求 .................................................................................................................................................. 42 設置日期 .................................................................................................................................................. 42 設置時間 .................................................................................................................................................. 42 讀取告警歷史記錄 .................................................................................................................................. 42 讀取事件歷史記錄 .................................................................................................................................. 43 讀取 MODEM 歷史記錄（目前無用） ................................................................................................. 43 獲取節(jié)點狀態(tài)（目前無用） .................................................................................................................. 43 獲取 MODEM 頁面參數(shù)（目前無用） ................................................................................................. 44 設置 MODEM 參數(shù)（目前無用） ......................................................................................................... 44 獲取告警蜂鳴器和 LED 設置狀態(tài) ................................................................................................... 45 設置告警蜂鳴器和 LED 狀態(tài) ................................................................................................................ 45 獲取 23 個 LED 狀態(tài) ........................................................................................................................... 465. 內(nèi)部的 RS485 總線 ................................................................................................................................................ 56Chapter 2 SYSTEM CONFIGURATION Power plant UPSNode Concept Communication systemPage 21(03/00)1. 簡述本手冊用于說明 POWER PLANT UPS 和 PC 之間通信的 LOCAL 協(xié)議。這根線纜的長度不能超過 15 米( 50 英尺 )。 99 10Nominal (frequency Hz) 506050Tollerance (of Rated Freqency %) 1 247。 99 00Page 2Automatic start NOYESNOTest duration (min.) 00 247。 Time to Next Servicing 247。Power plant UPS Chapter 8 PROTOCOL ON SERIAL INTERFACE RS 232Communication system Format of messagesPage 42 (03/00)在以下情況會發(fā)送 NACK 數(shù)據(jù)幀：? 數(shù)據(jù)的類型沒有確認；? 數(shù)據(jù)幀的第四個字節(jié)不是 STX；? 在 STX 和 ETX 之間有多個不是 ASCII 的字符；? 沒有收到確認的 ETX；? 校驗和不正確；? 響應超時；下面是 NACK 數(shù)據(jù)幀的格式：SOH NACK L STX Address Mode Group Nack codefield codeETX Checksum1 1 1 1 1 1 1 2 3 1 1Bin. bin. bin. bin. ASCII ASCII ASCII ASCII ASCII bin. bin.跟在數(shù)據(jù)幀起始位 SOH 后面的“NACK”字節(jié)是固定的 37H。CLoad Load L1 xxx %Load Load L2 xxx %Load Load L3 xxx %Battery Autonomy . xxxx minBattery Charge . xxx %注意： 對于 HIPULSE UPS TT2 和 T3 數(shù)據(jù)是無效的。| ETX | Checksum |其中：password 8 characterscodedata 3 characters (000:999)001 alarm status buzzer 00080 alarm status buzzer 79081 alarm status led 00160 alarm status led 79data 1 characterPower plant UPS Chapter 9 PROTOCOL OF INTERNAL RS 485.Communication systemPage 56 (03/00) 獲取 23 個 LED 狀態(tài)PC | SOH | 9DH | 05H | STX | Address | 39。 | ETX | Checksum |NODE | SOH | A0H | 1EH | STX | Address | Mode | Group | 39。L39。如果收到一個 NACK 數(shù)據(jù)幀或是沒有收到來自 UPS 的響應幀，那么 PC 重新發(fā)送剛才的命令幀。 Programming values of parametersChapter 4 “LOCAL” PROGRAM Power plant UPSRun the Program on PC Communication system Page 35(03/00)CODE ALARM DESCRIPTION UPS MSS BUZZER LED0203040506070809BYPASS SWITCH OPENOUTPUT SWITCH OPENRECTIFIER SWITCH OPENBATTERY . OPENMANUAL BYPASS CLOSEDUsed for visualize EchomodeFAN FAILURENot usedXXXXXXXXXXContinuousContinuousContinuousContinuousPulseContinuousOnOnOnOnInterm.