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NI SCXI-1303 等溫接線端子  大量現(xiàn)貨
NI SCXI-1303 等溫接線端子 大量現(xiàn)貨
產(chǎn)品價(jià)格:¥3546
上架日期:2021-12-06 16:36:20
產(chǎn)地:本地
發(fā)貨地:廈門
供應(yīng)數(shù)量:不限
最少起訂:1個(gè)
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詳細(xì)說(shuō)明

    NI SCXI-1303 等溫接線端子




    SCXI-1303(型號(hào):777687-03)32通道接線端子被推薦用于具有以下SCXI模塊用途:SCXI-一千一百〇二分之一千一百/ 1102B / 1102C。建議將此端子塊用于高精度熱電偶溫度測(cè)量應(yīng)用。的美國(guó)國(guó)家儀器NI SCXI-1303具有極其精確的熱敏電阻冷端溫度傳感器,以及等溫銅平面,以減少橫跨螺絲接線端的溫度梯度,當(dāng)用戶完成與熱電偶測(cè)量。在NI SCXI 1303具有特殊的功能,例如 熱電偶開路檢測(cè),信號(hào)接地參考,和等溫。


    該接線端子具有 78 個(gè)螺釘端子,可確保輕松連接信號(hào)。三十二對(duì)螺絲端子連接到 SCXI 模塊的 32 個(gè)差分輸入。一對(duì)端子連接到模塊上的機(jī)箱接地引腳。此外,三個(gè)端子連接到 SCXI 模塊的 OUTPUT 和 AOREF 引腳,以及 SCXIbus GUARD。剩余的終端留作將來(lái)使用。

    SCXI-1303 接線端子的電路可幫助用戶感知開路熱電偶。為了區(qū)分是否有任何熱電偶開路,用戶可以確定匹配的 SCXI 模塊通道是否飽和。在NI SCXI-1303還具有通過(guò)飽和在開放通道的輸入施加+ 5V的溝道上拉和偏置電阻。結(jié)果是正軌飽和。所述SCXI 1303可以與10Ω和10個(gè)MΩ偏置電阻一起使用。10 MΩ 電阻適用于SCXI-1102/B/C模塊,而 10 Ω 電阻適用于SCXI-1100模塊。用戶可以輕松更換偏置電阻器。


    Scxi-1303 (model: 777687-03) 32 channel terminal block is recommended for the following scxi module purposes: scxi - 1100 / 1102b / 1102c. This terminal block is recommended for high-precision thermocouple temperature measurement applications. The national instrument Ni scxi-1303 has an extremely accurate thermistor cold end temperature sensor and isothermal copper plane to reduce the temperature gradient across the screw terminal when the user completes the measurement with the thermocouple. The Ni scxi 1303 has special functions, such as thermocouple open circuit detection, signal grounding reference, and isothermal.The terminal block has 78 screw terminals to ensure easy connection of signals. Thirty two pairs of screw terminals are connected to the 32 differential bs of the scxi module. A pair of terminals are connected to the chassis ground pin on the module. In addition, three terminals are connected to the output and aoref pins of scxi module and scxibus guard. The remaining terminals are reserved for future use.

    The circuit of scxi-1303 terminal can help users perceive the open thermocouple. In order to distinguish whether any thermocouple is open, the user can determine whether the matched scxi module channel is saturated. The Ni scxi-1303 also has a channel pull-up and bias resistance of + 5V applied through saturation at the b of the open channel. The result is orbital saturation. The scxi 1303 can be used with 10 Ω and 10 m Ω bias resistors. 10 m Ω resistance is applicable to scxi-1102 / B / C module, and 10 Ω resistance is applicab


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