NI PXIE-6674T定时模块
品牌：NI
型号：NI PXIE-6674T
产品说明：定时模块
NI PXIE-6674TNI PXIE-6674T定时模块中文资料：
NI PXIE-6674T定时模块计算IC693PWR331的输入功率要求使用以下程序确定24 VDC高容量电源的输入功率需求：Ŷ根据本章末尾列出的单个模块的典型规格确定总输出功率负载。Ŷ将输出功率乘以.5以确定输入功率值。Ŷ将输入功率值除以工作电源电压以确定输入电流要求\374；使用最低输入电压来确定最大输入电流\374允许启动浪涌电流要求\374；NI PXIE-6674T允许偏差的裕度（0%至20%）现场接线连接到直流输入电源直流电源连接直流电源的+和-线电源连接到端子排上的顶部两个端子。+线应连接到顶部端子螺钉，-线连接到第二个螺钉（从上到下计数）。接地连接连接到第三个螺钉。该连接方案清楚地标记在这些电源的前面。NI PXIE-6674T
英文资料
Calculating Input Power Requirements for IC693PWR331 Use the following procedure to determine input power requirements for the 24 VDC High Capacity Power Supply: Ŷ Determine total output power load from typical specifications listed for individual modules at the end of this chapter. Ŷ Multiply the output power by .5 to determine the input power value. Ŷ Divide the input power value by the operating source voltage to determine the input current requirements Ŷ Use the lowest input voltage to determine the maximum input current Ŷ Allow for start-up surge current requirements Ŷ Allow margins (0% to 20%) for variations Field Wiring Connections to the DC Input-Only Power Supplies DC Power Source Connections The + and - wires from the DC power source connect to the top two terminals on the terminal strip. The + wire should be connected to the top terminal screw, and the - wire to the second screw (counting from the top down). The ground connection connects to the third screw. This connection scheme is clearly marked on the front of these power supplies.NI PXIE-6674T
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