PMAC770多功能電力監控儀
說 明 書
Installation&Operation Manual
V1.1安安安安全全全全和和和和注注注注意意意意事事事事項項項項
危危危危險險險險和和和和警警警警告告告告
? 本設備只能由專業人士進行安裝。
? 對于因不遵守本手冊的說明而引起的故障，廠家將不承擔任何責任。
觸觸觸觸電電電電、、、、燃燃燃燃燒燒燒燒或或或或爆爆爆爆炸炸炸炸的的的的危危危危險險險險
? 設備只能由取得資格的工作人員才能進行安裝和維護。
? 對設備進行任何操作前，應隔離電壓輸入和電源供應，并且短路所有電流互
感器的二次繞組。
? 要用一個合適的電壓檢測設備來確認電壓已切斷。
? 在將設備通電前，應將所有的機械部件，門和蓋子恢復原位。
? 設備在使用中應提供帶正確的額定電壓。
不不不不注注注注意意意意這這這這些些些些預預預預防防防防措措措措施施施施就就就就可可可可能能能能會會會會引引引引起起起起嚴嚴嚴嚴重重重重傷傷傷傷害害害害。。。。目目目目 錄錄錄錄
第1章 產品概述.............................................................................................................................6
1.1測量....................................................................................................................................6
1.2 擴展模塊............................................................................................................................8
1.3 全顯圖................................................................................................................................9
1.4 控制與事件.....................................................................................................................10
第2章 安裝與接線.......................................................................................................................11
2.1環境..................................................................................................................................11
2.2訂貨信息..........................................................................................................................18
2.3電源..................................................................................................................................19
2.4接線..................................................................................................................................19
第3章 測量參數...........................................................................................................................22
3.1電壓..................................................................................................................................22
3.2電流..................................................................................................................................22
3.3有功功率..........................................................................................................................23
3.4無功功率..........................................................................................................................23
3.5視在功率..........................................................................................................................23
3.6 功率因數.........................................................................................................................23
3.7頻率..................................................................................................................................24
3.8 需量統計.........................................................................................................................24
3.9相序檢測..........................................................................................................................25
第4章 電能質量...........................................................................................................................26
4.1概述..................................................................................................................................26
4.2諧波總畸變率...................................................................................................................27
4.3諧波電壓含有率...............................................................................................................274.4諧波電流含有率...............................................................................................................27
4.5電壓波峰系數...................................................................................................................27
4.6電流K系數......................................................................................................................27
4.7諧波電壓有效值...............................................................................................................28
4.8諧波電流有效值...............................................................................................................28
4.9諧波總有功功率有效值...................................................................................................28
4.10諧波電度........................................................................................................................28
4.11頻率偏差........................................................................................................................28
4.12電壓偏差........................................................................................................................29
4.13電壓不平衡率................................................................................................................29
第5章 電度及復費率統計...........................................................................................................30
5.1概述..................................................................................................................................30
5.2有功電度..........................................................................................................................30
5.3無功電度..........................................................................................................................30
5.4復費率電度......................................................................................................................31
5.5歷史電度..........................................................................................................................32
第6章 記錄..................................................................................................................................34
6.1概述..................................................................................................................................34
6.2SOE事件記錄..................................................................................................................34
6.3 頻率偏差記錄..................................................................................................................34
6.4 電壓偏差記錄..................................................................................................................35
6.5 電壓不平衡率偏差記錄..................................................................................................35
6.6 需量最值記錄..................................................................................................................35
6.7 實時量最值記錄..............................................................................................................36
第7章 定值系統...........................................................................................................................37
7.1概述..................................................................................................................................37
7.2定值分析..........................................................................................................................37
第8章 顯示操作...........................................................................................................................398.1概述..................................................................................................................................39
8.2按鍵功能..........................................................................................................................39
8.3數據查詢..........................................................................................................................39
8.4就地編程..........................................................................................................................68
第9章 輔助功能...........................................................................................................................70
9.1通訊..................................................................................................................................70
9.2開關量輸入......................................................................................................................71
9.3繼電器輸出......................................................................................................................72
9.4模擬量輸入（擴展模塊功能）.......................................................................................72
9.5脈沖輸出（擴展模塊功能）...........................................................................................73
9.6模擬量輸出（擴展模塊功能）.......................................................................................73
第10章 維護與故障排除.............................................................................................................76
第11章 技術指標........................................................................................................................77
附錄................................................................................................................................................80
附錄一 大容量存儲模塊........................................................................................................80第第第第1111章章章章 產產產產品品品品概概概概述述述述
PMAC770多功能電力監控儀是一種簡單可靠的測控裝置，可廣泛應用于電力系統、環境
監控、低壓配電等自動化領域。
它實現了如下的功能：
◇ 實時參數測量
◇ 電度計量（包括實時電度、復費率電度、歷史電度、諧波有功電度（1st~13th））
◇ 電能質量分析
◇ 需量統計
◇ 最值統計
◇ 時鐘和事件記錄
◇ 定值越限
◇ 相序檢測
◇ MODBUS通訊或DLT645-2007通訊1
◇ 數字量輸入（DI）、數字量輸出（DO）2
◇ 模擬量輸入（AI）、模擬量輸出（AO）3
◇ 有功、無功2路脈沖輸出4
1111....1111測測測測量量量量
PMAC770提供全方位的測量功能，可以充分滿足低壓或者高壓三相電力網絡中電氣監控
的要求。儀表提供的測量功能如下表所示：
1本體上提供1路MODBUS通信，擴展模塊提供額外1路MODBUS通信或DLT645-2007通信。
2本體上提供3路DI和2路DO（基本型除外），擴展模塊最多可再提供8路DI或者2路DO。