NI PXIE-6674T定時(shí)模塊
品牌：NI
型號(hào)：NI PXIE-6674T
產(chǎn)品說(shuō)明：定時(shí)模塊
NI PXIE-6674TNI PXIE-6674T定時(shí)模塊中文資料：
NI PXIE-6674T定時(shí)模塊計(jì)算IC693PWR331的輸入功率要求使用以下程序確定24 VDC高容量電源的輸入功率需求：?根據(jù)本章末尾列出的單個(gè)模塊的典型規(guī)格確定總輸出功率負(fù)載。?將輸出功率乘以.5以確定輸入功率值。?將輸入功率值除以工作電源電壓以確定輸入電流要求\374；使用最低輸入電壓來(lái)確定最大輸入電流\374允許啟動(dòng)浪涌電流要求\374；NI PXIE-6674T允許偏差的裕度（0%至20%）現(xiàn)場(chǎng)接線連接到直流輸入電源直流電源連接直流電源的+和-線電源連接到端子排上的頂部?jī)蓚€(gè)端子。+線應(yīng)連接到頂部端子螺釘，-線連接到第二個(gè)螺釘（從上到下計(jì)數(shù)）。接地連接連接到第三個(gè)螺釘。該連接方案清楚地標(biāo)記在這些電源的前面。NI PXIE-6674T
英文資料
Calculating Input Power Requirements for IC693PWR331 Use the following procedure to determine input power requirements for the 24 VDC High Capacity Power Supply: ? Determine total output power load from typical specifications listed for individual modules at the end of this chapter. ? Multiply the output power by .5 to determine the input power value. ? Divide the input power value by the operating source voltage to determine the input current requirements ? Use the lowest input voltage to determine the maximum input current ? Allow for start-up surge current requirements ? 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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