NI CompactDAQ |e络盟

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CompactDAQ

坚固、简单的传感器数据采集

CompactDaw 是一种模块化数据采集系统，工程师可以用它来进行产品验证，以及测量基于电气和传感器的信号。一套完整的系统必须具备：

一个 USB 或以太网端口，用于将 CompactDAQ 机箱连接到电脑
热插拔模块
数据采集软件（免费提供），或使用 LabVIEW、Python 或 C/C++ 驱动程序开发的定制软件。

关键应用

机电验证
组件测试
电机/泵测试
结构和耐久性测试
噪声、振动和粗糙度测试 (NVH)
研究测量

循环测试系统
性能基准
功率和热测试
电源和电池表征
HALT/HASS 测量
传感器测量

为什么工程师使用 CompactDAQ？

耐用

离开有空调的实验室，携带这款能够在 -40°C 到 70°C 的工作温度范围内使用，并可承受 50g/5g 冲击/振动等级的设备进入现场。

经得起未来考验

通过使用模块化硬件来跟上变化。根据当前情况定制您的系统，并在未来根据需求的变化调整模块、机箱或软件。

高速 DAQ

NI 以高速数据采集、精确测量和同步技术著称。选择高达 1 MS/s/Ch 的模块（许多都具有同步架构），发现产品设计中的更多电气机械问题。

Select Your Modules

Selection Criteria	PN	Max Sample Rate	Channels (DI/SE)	Analog Input Resolution	Analog Input Voltage Range	Front Connection Type
Start here. General purpose.	785184-01	250 kS/s	16/32	16 bits	±10 V, ±5 V, ±1 V, ±10 V, ±200m V	Spring terminal
Faster sample rate with simultaneous sampling.	785188-01	100 kS/s/ch	16/0	16 bits	±10 V	Spring terminal
24-bit resolution. 250 V ch-ch isolation.	779593-01	50 kS/s/ch	4/0	24 bits	±10 V	Screw terminal
60 V input range	779785-01	50 kS/s/ch	4/0	24 bits	±60 V	Screw terminal
Lowest cost simultaneous sampling	783739-01	100 kS/s/ch	4/0	16 bits	±10 V	Spring terminal
Highest speed simultaneous sampling	781398-01	1 MS/s/ch	4/0	16 bits	±10 V	Screw terminal
Medium speed, medium cost.	781397-01	500 kS/s/ch	4/0	16 bits	±10 V	Screw terminal
Selectable filter, noise rejection	784400-01	10 kS/s/ch	16/0	24 bits	±10 V	Spring terminal
Low cost, high-speed 12-bit	783730-01	500 kS/s	0/8	12 bits	±10 V	Spring terminal

Selection Criteria	PN	Max Sample Rate	Channels (DI/SE)	Front Connection Type
Low Cost Thermocouple	785043-01	14 S/s	4	Spring terminal
Ch-Ch Isolated Thermocouple	782975-01	95 S/s/ch	8	Screw terminal
Thermocouple (most popular)	785185-01	75 S/s	16	Spring terminal
Higher accuracy thermocouple	781510-01	68 S/s	16	Screw terminal
0-400 mOhm RTD	785186-01	400 S/s	8	Spring terminal
0-4000 mOhm RTD	785189-01	400 S/s	8	Spring terminal

Selection Criteria	PN	Max Sample Rate	Channels (DI/SE)	Input Voltage Range	Front Connection Type
Start Here. Most popular.	779680-01	51.2 kS/s/ch	4	±5 V	BNC
2x faster sample rate, 30 V range	784397-01	102.4 kS/s/ch	3	±30 V	BNC
More channels/module	783610-01	51.2 kS/s/ch	8	±5 V	10-32 Coaxial
Lowest Cost.	784396-01	12.8 kS/s/ch	3	±30 V	BNC

Selection Criteria	PN	Max Sample Rate	Channels (DI/SE)	Bridge Configurations	Analog Input Voltage Range	Front Connection Type
Start here. General purpose.	780264-01	50 kS/s/ch	4	Full-, 1/4-, 1/2-bridge	±25 mV/V	D-SUB (add accessory PN 781503-01)
Lower cost/channel for 1/4-bridge gages	785995-01	10 kS/s/ch	8	1/4 bridge	±29.4 mV/V	Spring terminal

Selection Criteria	PN	Max Sample Rate	Channels (DI/SE)	Analog Input Resolution	Input Current	Front Connection Type	Analog Input Isolation
Start here. General purpose.	783731-01	200 kS/s	8	16 bits	±20 mA	Spring terminal	250 Vrms Ch-Earth Ground Isolation
5A input range	781099-01	50 kS/s/ch	4	24 bits	0 Arms to 5 Arms	Screw terminal	250 Vrms Ch-Ch Isolation
Connect to CT secondary	783920-01	50 kS/s/ch	3	24 bits	0 Arms to 20 Arms	Ring terminals	480 Vrms Ch-Ch Isolation

Selection Criteria	PN	Max Sample Rate	Channels (DI/SE)	Analog Output Resolution	Analog Output Voltage Range	Front Connection Type	Analog output isolation
Start here. General purpose.	785190-01	25 kS/s/ch	16	16 bits	±10 V	Spring terminal	250 Vrms bank isolation
Lower cost and channels. Faster.	783740-01	100 kS/s/ch	4	16 bits	±10 V	Spring terminal	250 Vrms Ch-Earth ground isolation
Ch-Ch Isolated Output, 40 V range.	781098-01	100 kS/s/ch	4	16 bits	±10 V	Screw terminal	250 Vrms Ch-Ch isolation

Selection Criteria	PN	Max Sample Rate	Channels (DI/SE)	Analog Input Resolution	Analog Input Voltage Range	Front Connection Type	Safety Voltages
Add multiple measurements that need one channel each. Voltage, Current, Thermocouple, RTD, Strain, Resistance, Strain-gages	785994-01	100 S/s/ch	4	24 bits	±60 V, ±15 V, ±4 V, ±1 V, ±125 mV	Spring terminal	250 Vrms Ch-Ch isolation
High-speed universal module. Voltage, current, accelerometers, microphones, current, and bridge measurements.	783362-01	51.2 kS/s/ch	2	24 bits	±16 V, ±65 mV	DSUB (See accessory guide pg 5)	±30 V pin-pin (max working) 60 VDC CAT I ch-ch, ch-Vsup (continuous isolation)

Selection Criteria	PN	Max Sample Rate	Channels (DI/SE)	Analog Input Resolution	Analog Input Voltage Range	Front Connection Type	Safety Voltages
120/240 AC voltage for electronics	783107-01	50 kS/s/ch	4	24 bits	250 Vrms L-N, 400 Vrms L-L	Screw terminal	250 Vrms L-N, 400 VRMS L-L (max working) 250 V RMS CAT III (max working channel-to-earth ground)
240/480 AC voltage for electronics	783106-01	50 kS/s/ch	4	24 bits	400 Vrms L-N, 400 Vrms L-L	Screw terminal	400 Vrms L-N, 800 VRMS L-L (max working) 400 V RMS CAT III (max working channel-to-earth ground)
Ch-Ch Isolation	780159-01	50 kS/s/ch	3	24 bits	300 Vrms	Screw terminal	300 Vrms CAT II (max working) 2,300 Vrms Ch-to-earth ground (5 sec withstand)

Digital Style	PN	Digital I/O Logic Levels	Channels	Front Connection Type	Digital I/O Isolation
Sinking Input Sourcing Output	785192-01	12 V, 24 V	16/6	Spring terminal	250 Vrms Ch-Earth Ground Isolation
All combinations of sinking/sourcing, input/output	779351-01	5 V TTL	8 bidirectional	D-SUB (Purchase accessory PN 781922-01)	250 Vrms Ch-Earth ground isolation
All combinations of sinking/sourcing, input/output	779787-01	5 V TTL	32 bidirectional	D-SUB (Purchase accessory PN 781503-01)	60 VDC Ch-Earth Ground Isolation
Sinking Input	783734-01	12 V, 24 V	8 inputs	D-SUB (Purchase accessory PN 781503-01)	60 VDC Ch-Earth Ground Isolation
Sinking Input	785044-01	12 V, 24 V	32 inputs	Spring terminal	250 Vrms Ch-Earth Ground Isolation
Sourcing Output	783907-01	12 V, 24 V	8 outputs	Spring terminal	250 Vrms Ch-Earth Ground Isolation
Sourcing Output	785045-01	12 V, 24 V	32 outputs	Spring terminal	250 Vrms Ch-Earth Ground Isolation
Mechanical Relay	783906-01	-	4 Relays	Spring terminal	250 VAC, 60 VDC

Connection to Computer	PN	Number of Module Slots	External Trigger	Operating Temperature
USB (most popular USB chassis) - requires power cord. See below.	781157-01	4	No	-20 °C to 55 °C
USB - bus powered. No power cord required.	781425-01	1	No	-20 °C to 55 °C
USB - requires power cord. See below.	781156-01	8	Yes	-20 °C to 55 °C
Ethernet - requires power cord. See below.	781496-01	1	No	-0 °C to 55 °C
Ethernet (most popular Ethernet chassis) - requires power cord. See below.	785064-01	4	Yes	-40 °C to 70 °C
Ethernet - requires power cord. See below.	785065-01	8	Yes	-40 °C to 70 °C

Required Accessory - Power Cord	PN
United Kingdom 240VAC (2.5m)	763064-01
United States 120VAC (2.3m)	763000-01
Swiss 220VAC (2.5m)	763065-01
Australia 240VAC (2.5)	763066-01
North America 240VAC (3m)	763068-01
Japan 125VAC (2.3m)	763634-01
Korea 220VAC (2.5m)	784685-01
China 220VAC (2.5m)	784686-01
Brazil 127/220VAC (2.5m)	785626-01

用于数据采集的 NI 软件

随附的软件

使用 NI FlexLogger Lite 记录数据。您使用 DAQ 软件：

在 CompactDAQ 上配置电压、电流和传感器通道
使用图表和图形构建可自定义的实时显示
将数据记录到 .csv 文件 (Excel) 或 .tdms 文件中以实现高速数据采集

使用适用于以下工具的 API 和示例程序开发自己的测量应用程序

LabVIEW
Python
C/C++、C#
VB.NET.

使用 LabVIEW 进行自定义和自动化

LabVIEW 是专为测试和测量而设计的图形编程软件。将 CompactDAQ 与 LabVIEW 配对，以便进行以下操作：

添加逻辑和分析
控制台式仪器，如电源和示波器
使用电压或电流输出模块生成模拟信号
构建更高级且高度可定制的用户界面
集成 Python 和 C 代码，以便充分利用这两种工具。 LabVIEW 用于 DAQ、UI 和仪器控制，Python/C 用于分析脚本和大量现有代码库。

下载有用的资源

CompactDAQ 系统构建指南

本指南涵盖机箱和模块选择、机械安装、软件开发和系统操作等系统元素。

CompactDAQ 机箱安装配件指南

使用本指南找到合适的配件，将您的 CompactDAQ 系统安装到 DIN 导轨上、工业外壳中，或者让您的 CompactDAQ 在工作台上用起来更方便。

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