NI Quarterly

in English

CompactDAQ

堅固、簡單的感測器資料擷取

CompactDaw 是一套模組化資料擷取系統，工程師可利用此系統進行產品驗證以及測量基於電氣和感測器的訊號。完整的系統需要：

連接到電腦的 USB 或乙太網路 CompactDAQ 機箱
熱插拔模組
資料擷取軟體 (免費提供) 或使用 LabVIEW、Python或C/C++ 驅動程式開發的客製化軟體。

關鍵應用

機電驗證
元件測試
馬達/幫浦測試
結構與耐久性測試
噪聲、振動與聲振粗糙度測試 (NVH)
研究測量

循環測試系統
性能基準
功率和熱測試
電源和電池特徵
HALT/HASS 測量
感測器測量

工程師為何使用 CompactDAQ？

耐用

走出有空調的實驗室，進入 - 40° C 至 70° C 作業溫度範圍以及 50g/5g 撞擊/振動等級的現場。

經得起未來的考驗

藉由使用模組化硬體以跟上變化。根據目前情況客製化您的系統，並在未來根據需要的改變調整模組、機箱或軟體。

高速 DAQ

NI 以高速資料擷取、精確的測量結果以及同步技術而知名。選擇最高可達 1 MS/s/Ch，許多具有同步架構的模組，以便找出產品設計中更多的機電問題。

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

用於資料擷取的 NI 軟體

包含的軟體

使用 NI FlexLogger Lite 記錄資料。您可將 DAQ 軟體用於：

在 CompactDAQ 上配置電壓、電流以及感測器通道
建立包括圖表和圖形的可自訂即時顯示
將資料記錄至 .csv 檔案 (Excel) 或是 .tdms 檔案以獲得高速資料

使用下列 API 和範例程式開發您自己的測量應用程式：

LabVIEW
Python
C/C++、C#
VB.NET.

使用 LabVIEW 進行自訂和自動化

LabVEIW 是專為測試和測量而設計的圖形化程式軟體。將 CompactDAQ 與 LabVIEW 配對以便：

新增邏輯與分析
控制桌上型儀器，例如電源和示波器
使用電壓或電流輸出模組產生模擬訊號
建立更進階、高度可客製化的使用者介面
整合 Python 和 C 程式碼，充分發揮這兩種工具的優點。 LabVIEW 用於 DAQ、UI 和儀器控制，Python/C 用於分析指令碼和大量現有程式碼庫。

下載有用的資源

CompactDAQ 系統組建指南

本指南涵蓋例如機箱和模組選擇、機械安裝、軟體開發和系統操作等系統元素。

CompactDAQ 底盤安裝配件指南

使用本指南找到合適的配件，將您的 CompactDAQ 系統安裝在 DIN 導軌、工業外殼，或使其更易於在工作台上使用。

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NI 與 Emerson 攜手，前景可期

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