NI SCXI-1303 等温接线端子大量现货-中国工控网(chinagkong.com)-中国工控行业门户网站

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NI SCXI-1303 等温接线端子大量现货

来自：厦门雄霸电子商务有限公司

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发布时间：2021-12-6 关注次数：228

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NI SCXI-1303 等温接线端子

SCXI-1303（型号：777687-03）32通道接线端子被推荐用于具有以下SCXI模块用途：SCXI-一千一百〇二分之一千一百/ 1102B / 1102C。建议将此端子块用于高精度热电偶温度测量应用。的美国国家仪器NI SCXI-1303具有极其精确的热敏电阻冷端温度传感器，以及等温铜平面，以减少横跨螺丝接线端的温度梯度，当用户完成与热电偶测量。在NI SCXI 1303具有特殊的功能，例如热电偶开路检测，信号接地参考，和等温。

该接线端子具有 78 个螺钉端子，可确保轻松连接信号。三十二对螺丝端子连接到 SCXI 模块的 32 个差分输入。一对端子连接到模块上的机箱接地引脚。此外，三个端子连接到 SCXI 模块的 OUTPUT 和 AOREF 引脚，以及 SCXIbus GUARD。剩余的终端留作将来使用。

SCXI-1303 接线端子的电路可帮助用户感知开路热电偶。为了区分是否有任何热电偶开路，用户可以确定匹配的 SCXI 模块通道是否饱和。在NI SCXI-1303还具有通过饱和在开放通道的输入施加+ 5V的沟道上拉和偏置电阻。结果是正轨饱和。所述SCXI 1303可以与10Ω和10个MΩ偏置电阻一起使用。10 MΩ 电阻适用于SCXI-1102/B/C模块，而 10 Ω 电阻适用于SCXI-1100模块。用户可以轻松更换偏置电阻器。

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 inputs 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 input 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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