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PLC可編程控制器模塊，DCS卡件，ESD系統(tǒng)卡件，振動監(jiān)測系統(tǒng)卡件，汽輪機控制系統(tǒng)模塊，燃氣發(fā)電機備件等，優(yōu)勢品牌：Allen Bradley、BentlyNevada、ABB、Emerson Ovation、Honeywell DCS、Rockwell ICS Triplex、FOXBORO、Schneider PLC、GE Fanuc、Motorola、HIMA、TRICONEX、Prosoft等各種進口工業(yè)零部件、歐美進口模塊。
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產品詳情內容介紹
143.11J X-500254模擬量輸入控制器
如果模塊未能通過內部診斷，將重試兩次。如果其中之一成功，臨時故障被視為軟故障，不會報告給PLC，但模塊系統(tǒng)不間斷地繼續(xù)處理。如果模塊出現故障
診斷三次后，系統(tǒng)進入加電復位狀態(tài)。轉換設置和監(jiān)視器
注意：在通電診斷運行時，或在檢測到硬故障后故障，數據不可用于PLC。
良好數據。下圖顯示了的狀態(tài)標志和數據字格式PLC的良好數據。發(fā)送良好數據時，狀態(tài)標志位14和15被重置到0。
良好的數據字輸出到PLC超出范圍數據。下圖顯示的狀態(tài)標志和數據字格式輸出到PLC的數據超出范圍。發(fā)送超出范圍的數據時，狀態(tài)位14將重置為0，位15將重置為1，并且超出范圍指示器將照明輸出到PLC的數據字超出范圍超出范圍需要仔細檢查。
由于模塊接收來自現場的瞬時數據
但將平均數據發(fā)送至PLC，RB格式中小于0或大于4200的瞬時數據被視為超出范圍。這些數據將被強制（限制）為0000（低于范圍）和4200（低于范圍超出范圍值。然而，平均數據不一定超出范圍如果條件存在的時間少于總平均時間。
在這種情況下，該格式表示平均值超出范圍。其平均值為固定值；
平均值可能超出范圍，也可能不超出范圍。紅色超出范圍燈將保持亮起只要超出范圍的數據樣本包含在平均值中。傾斜開關組A高速模擬輸入模塊可以設置為五個輸入電壓中的任何一個或通過DIP開關的電流范圍。您還可以從七個時段中進行選擇數字濾波；允許瞬時電壓樣本成為移動平均線的一部分。DIP開關還將模塊設置為4或8電路模式和二進制或十進制輸出。
為了便于討論，我們將指定上部DIP開關組A（DIP swA）和下部開關組B（DIP sw-B）。這些交換機通過位于模塊后部。
下圖顯示了從模塊后部看到的下傾開關-A。蘸sw-A用于選擇輸入范圍。
氣缸組A的雙列直插式開關正常工作
Out--of--Range requires careful examination.
Since the module receives instantaneous data from the field but sends averaged data to the PLC, instantaneous data less than 0 or greater than 4200 in RB format is considered outof-range. Such data will be forced (clamped) to 0000 for under--range and 4200 for over-range values. However, the averaged data will not necessarily be out-of-range if the condition existed for less time than the total averaging period. In this case, the format indicates at least one of the instantaneous data samples in the average is out of range. Its value for averaging purposes is the clamped value; the average may or may not be out of range. The red out-of-range light will remain on as long as an out-of-range data sample is included in the average. If the module fails to pass an internal diagnostic, two retries are made. If either one succeeds, the temporary failure is considered a soft failure and is not reported to the PLC but the module system continues processing uninterrupted. If the module fails the diagnostic three times, the system goes into a power--up reset condition. switch settings and monitor NOTE: While power-up diagnostics are running, or following detection of a hard failure, data is not available to the PLC. Good Data. The following illustration shows status flags and data word format for good data to the PLC. When sending good data, status flag bits 14 and 15 are reset to 0. Good Data Word Output to PLC
Dip Switch Bank A
The high speed analog input module can be set for any of the five input voltage or current ranges by means of DIP switches. You can also select from seven periods of digital filtering; a feature which allows an instantaneous voltage sample to become part of a moving average. The DIP switches also set the module for 4 or 8 circuit mode and binary or decimal output. For discussion purposes, we will designate the upper DIP switch bank, A (DIP swA) and lower bank, B (DIP sw-B). These switches are accessed through ports at the rear of the module. The following illustration shows DIP sw-A as seen from the rear of the module. Dip sw-A is used for selecting an input range. Dip switch bank A normal operation
