SCXI-1120 模拟量输入模块 多种信号类型信号调理
【产品详情】
National Instruments SCXI-1120 模拟量输入模块
NI SCXI 1120(部件号:776572-20)是多种信号类型信号调理和隔离的理想经济型解决方案,包括:热电偶、电流、电压、毫伏信号,以及具有高共模电压的4至20 mA源或0至20 mA过程电流源。如果使用外部激励,SCXI-1120还可以测量应变计、RTD和热敏电阻。该模块具有 8 个隔离输入通道,具有 250 Vrms 的工作隔离,以及几个不同的输入范围。通道可以通过跳线单独配置。8 个通道中的每一个通道都具有一个 4 Hz 或 10 kHz 的可配置低通滤波器。该模拟输入模块还具有并行模式操作,可实现高扫描速率。其 8 个模拟输入通道中的每一个都有一个增益级,增益为 1、2、5、10、20、50、100、200、250、500、1,000 和 2,000;输出范围为±5 V.
要开始使用NI SCXI-1120,用户需要一台计算机、一台DAQ设备或SCXI-1200,以及一台SCXI-1000、SCXI-1000DC、SCXI-1001或SCXI-2000机箱。用户还可以选择使用SCXI接线端子/连接器组件。 SCXI-1120模块具有两种输出模式:并行输出模式(所有8个输入通道并联至8个DAQ设备通道)或多路复用输出模式(8个通道多路复用为1个DAQ设备通道)。该设备配有一个 50 针带状电缆后连接器和一个 32 针 DIN C 外螺纹前连接器(提供 18 螺丝端子适配器)。它的工作温度为 0 至 50 °C。对于 SCXI-1120 模拟量输入模块的修订版 A 和 B,未使用跳线 W42。
当模块的修订版A和B连接到DAQ设备时,用户只能在单个机箱中访问MISO线路。对于 SCXI-1120 的修订版 C 及更高版本,跳线 W42 和 W43 可以保留在位置 1。该设备的尺寸为:1.2 x 6.8 x 8.0 英寸。
SCXI-1120 模拟量输入模块 多种信号类型信号调理
【英文介绍】
National Instruments SCXI-1120 analog input module
The NI SCXI 1120 (Part number: 776572-20) is an ideal and economical solution for signal conditioning and isolation for a variety of signal types, including: thermocouples, current, voltage, millivolt signals, and 4 to 20 mA sources or 0 to 20 mA process current sources with high common mode voltages. If external excitation is used, the SCXI-1120 can also measure strain gauges, RTDS, and thermistors. The module has 8 isolated input channels with 250 Vrms working isolation, as well as several different input ranges. Channels can be configured individually with jumpers. Each of the eight channels has a configurable low-pass filter of either 4 Hz or 10 kHz. The analog input module also has parallel mode operation for high scan rates. Each of its eight analog input channels has a gain stage with gains of 1, 2, 5, 10, 20, 50, 100, 200, 250, 500, 1,000, and 2,000; Output range is ±5 V.
To get started with NI SCXI-1120, users need a computer, a DAQ device, or SCXI-1200, and a SCXI-1000, SCXI-1000DC, SCXI-1001, or SCXI-2000 chassis. Users can also choose to use the SCXI terminal/connector assembly. The SCXI-1120 module has two output modes: parallel output mode (all 8 input channels in parallel to 8 DAQ device channels) or multiplexed output mode (8 channels multiplexed to 1 DAQ device channel). The unit comes with a 50-pin ribbon cable rear connector and a 32-pin DIN C external thread front connector (18 screw terminal adapter available). It operates from 0 to 50 °C. For revisions A and B of the SCXI-1120 analog input module, jumper W42 is not used.
When revisions A and B of the module are connected to DAQ devices, users can access MISO lines only in a single chassis. For revision C and later versions of SCXI-1120, jumpers W42 and W43 can be retained at position 1. The device measures 1.2 x 6.8 x 8.0 inches.
SCXI-1120 模拟量输入模块 多种信号类型信号调理
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