NI PXIe-5605变频器
1.产 品 介 绍
品牌：NI
型号：NI PXIe-5605
产品说明：变频器
优势：供应进口原装正品，专业停产配件。
2.产 品 详 情 资 料：
NI PXIe-5605第4步：离散输入模块的输入计算离散输入模块需要两次计算，一次用于模块的信号电平电路（已在第1步中完成），另一次用于输入电路。注意，输入电路消耗的功率来自单独的电源，NI PXIe-5605因此不包括在步骤2中用于计算PLC电源消耗的图中。我们将假设输送到这些模块的所有输入电路功率最终都作为热量消散。步骤是：Ŷ在GFK-0898 Series 90-30 I/O模块规格手册中输入模块的“规格”表中查找输入电流值。将输入电压乘以电流值乘以估计的接通时间百分比，以获得该输入的平均功耗。NI PXIe-5605对模块上的所有输入重复此步骤。为了节省时间，您可以确定多个输入在电流消耗和时间上是否相似，以便您只需进行一次计算。对机架中的所有离散输入模块重复这些计算。
Step 4: Input Calculations for Discrete Input Modules A Discrete Input Module requires two calculations, one for the module’s signal-level circuits, which was already done in Step 1, and one for the input circuits. Note that the power dissipated by the input circuits comes from a separate power source, so are not included in the figure used to calculate PLC power supply dissipation in Step 2. We will assume that all input circuit power delivered to these modules is eventually dissipated as heat. The procedure is:Ŷ Find the value for the Input Current in the NI PXIe-5605“Specifications” table for your input module in the Series 90-30 I/O Module Specifications Manual, GFK-0898.Multiply the input voltage times the current value times the estimated percent of on-time to arrive at average power dissipation for that input.Repeat for all inputs on the module. NI PXIe-5605To save time, you could determine if several inputs were similar in current draw and on-time so that you would only have to make their calculation once.Repeat these calculations for all Discrete Input modules in the rack.NI PXIe-5605
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