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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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DO814輸出模塊
所示邏輯用于從中生成寄存器40020中的標度值3001中的模擬信號。例如：30001=3800；40020=0051華氏度注意：只使用乘法的高階結果，不進行補償本例中使用了for四舍五入。校準工具模擬輸入模塊在出廠前進行校準。為了確保根據模塊精度，應每年定期校準微調罐。
校準模擬輸入模塊需要以下工具和材料：z精度為0.0001 V、電壓為10 V的精密數字讀數伏特計規(guī)模
z一把1/8英寸的薄刃螺絲刀。
z一把1/4英寸十字螺絲刀。
z一種粘合劑（如Loctite或Glyptol），用于固定裝飾罐調整螺釘。
校準程序使用下表校準模塊。要正確設置模擬輸入模塊，八位DIP開關必須與位于左側的五位DIP開關的SW5一起設置單元這些開關確定輸入范圍、輸出格式、要平均化的樣本和輸入類型。
全體的B875–200可配置A/D輸入模塊可轉換多種信號源
熱電偶、RTD、應變計/稱重傳感器、電壓和電流輸入范圍二進制數據。當為八個通道選擇時，模塊顯示在I/O中地圖為B875–200；當為四個通道選擇時，它顯示在I/O圖中作為B873-200。
該模塊提供了輪詢各種現場設備的能力，需要不同的信號源取決于所選的應用。選擇可能是由超過48個可用的輸入包組成，每個模塊的任何組合可以接受。
注：第三方輸入包第三方5B型包裝不能保證性能。使用第三方軟件包時，請聯(lián)系制造商尋求支持。八位DIP開關用于根據單元此外，兩位跳線用于選擇0、2或4個樣本每個輸入的平均值。平均有助于減少虛假噪聲對輸入。
一些應用示例包括食品加工、壓榨操作、化學加工、涂漆和鑄造。
該模塊有四/八個模擬輸入，能夠更新所有八個通道每4毫秒一次。所有范圍的12位分辨率和絕對精度取決于輸入包類型。這允許快速精確地控制應用注意：此模塊需要兩個插槽
Calibration Tools
The analog input module is calibrated at the factory prior to shipment. To ensure the module’s accuracy, the trim-pot should be calibrated regularly on a yearly interval. The following tools and materials are needed to calibrate an analog input module: z A precision digital readout voltmeter with an accuracy of 0.0001 V on a 10 V scale. z A 1/8-inch bit, thin-blade screwdriver. z A 1/4-inch Phillips-head screwdriver. z An adhesive (such as Loctite or Glyptol) to secure trim-pot adjustment screws. Calibration Procedure Use the following table to calibrate the module.
The logic shown is used to generate the scaled value in register 40020 from the analog signal in 3001. For example: 30001 = 3800; 40020 = 0051°F NOTE: Only the high-order result of the multiplication is used, and no compensation for round-off is used in this example.To set up the analog input module properly, an eight-position DIP-switch must be set together with SW5 of a five-position DIP switch located on the left side of the module. These switches determines the input range, output format, number of samples to be averaged, and the types of inputs.
General
The B875–200 configurable A/D input module converts a variety of signal sources: thermocouple, RTD, strain gauge/load cell, voltage and current input ranges into binary data. When selected for eight channels, the module is displayed in the I/O map as a B875–200; when selected for four channels, it is displayed in the I/O map as a B873-200. The module provides the capability to poll a wide array of field devices requiring different signal sources based upon the application selected. Selection may be made from more than 48 available input packs, with any mix per module being acceptable. NOTE: Third-party input packs Performance is not guaranteed with third-party 5B type packs. When using thirdparty packs, contact the manufacturer for support. An eight-position DIP switch is used to select from one to eight input channels per module. In addition, a two-position jumper is used to select either 0, 2, or 4 samples to be averaged per input. Averaging helps reduce the impact of spurious noise on the input. Some application examples include food processing, press operating, chemical processing, painting, and foundry casting. The module has four/eight analog inputs and is capable of updates to all eight channels every 4 ms. The 12-bit resolution for all ranges, and the absolute accuracy is dependent on the input pack type. This allows for fast and precise control of the application. NOTE: This module requires two slots
