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U

MDAS 0802DA

User's Guide

Non-volatile memory...................................................................................................................................... 4-5

Microcontroller............................................................................................................................................... 4-5

Power.............................................................................................................................................................. 4-5

General ........................................................................................................................................................... 4-6

Environmental ................................................................................................................................................ 4-6

Mechanical ..................................................................................................................................................... 4-6

Main connector and pin out ............................................................................................................................ 4-6

4-channel differential mode ........................................................................................................................................... 4-6

8-channel single-ended mode......................................................................................................................................... 4-7

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Содержание UMDAS 0802DA

Страница 1: ...may be reproduced without permission UMDAS 0802DA USB Data Acquisition Module 8 Channels of 48kHz 13 bit A D 16 DIO with 2 channels of 12 bit D A CyberResearch Inc www cyberresearch com 25 Business P...

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Страница 5: ...CyberResearch and UMDAS 0802DA are trademarks of CyberResearch Inc Other product names mentioned herein are used for identification purposes only and may be trademarks and or registered trademarks of...

Страница 6: ...UMDAS 0802DA CyberResearch Data Acquisition iv Copyright 2006 CyberResearch Inc Intentionally Blank...

Страница 7: ...tails 3 1 Theory of operation analog input acquisition modes 3 1 Software paced mode 3 1 Continuous scan mode 3 1 External components 3 1 USB connector 3 2 LED 3 2 Screw terminal wiring 3 2 Main conne...

Страница 8: ...User s Guide Non volatile memory 4 5 Microcontroller 4 5 Power 4 5 General 4 6 Environmental 4 6 Mechanical 4 6 Main connector and pin out 4 6 4 channel differential mode 4 6 8 channel single ended m...

Страница 9: ...nformation to help you avoid injuring yourself and others damaging your hardware or losing your data Angle brackets that enclose numbers separated by a colon signify a range of numbers such as those a...

Страница 10: ...USB drivers The UMDAS 0802DA features eight analog inputs two 12 bit analog outputs 16 digital I O connections and one 32 bit external event counter The analog inputs are software configurable for ei...

Страница 11: ...d USB 2 0 Compliant Interface Screw terminal I O connector TRIG_IN Port A Port B 1 Analog Input 8 single ended 13 bit channels or 4 differential 14 bit channels 8 Analog Output 2 12 bit channels 2 Fig...

Страница 12: ...an connect the UMDAS 0802DA before or after you install the software and without powering down your computer first When you connect an HID to your system your computer automatically detects it and con...

Страница 13: ...UMDAS 0802DA USB cable 2 meter length Additional documentation In addition to this hardware user s guide you should also receive the Quick Start Guide available in PDF on the software CD that ships w...

Страница 14: ...s of the USB drivers Before installing the UMDAS 0802DA download and install the latest Microsoft Windows updates In particular when using Windows XP make sure you have XP Hotfix KB822603 installed Th...

Страница 15: ...lose data and or your ability to communicate with your unit If the LED turns off If the LED is illuminated but then turns off the computer has lost communication with the UMDAS 0802DA To restore commu...

Страница 16: ...channels The analog data is continuously acquired converted to digital values and written to an on board FIFO buffer until you stop the scan The FIFO buffer is serviced in blocks as the data is trans...

Страница 17: ...er or external USB hub Blinks continuously Data is being transferred Screw terminal wiring The UMDAS 0802DA has two rows of screw terminals one row on the top edge of the housing and one row on the bo...

Страница 18: ...4 36 Port B3 35 Port B2 34 Port B1 33 Port B0 32 Port A6 27 Port A5 26 Port A4 25 Port A3 24 Port A2 23 Port A1 22 Port A0 21 4 channel differential mode pin out Analog input terminals CH0 IN CH7 IN Y...

Страница 19: ...fferential input mode four analog channels are available In differential mode the input signal is measured with respect to the low input The input signal is delivered through three wires The wire carr...

Страница 20: ...Differential voltage example common mode voltage of 0 V 4V 4V 4V 4V 0V CHLO CHHI 8V 8V Differential Measured Signal If you increase the common mode voltage to 11 V the differential remains at 8 V Alth...

Страница 21: ...s 13 and 14 D A OUT 0 and D A OUT 1 Refer to the Main connector and pin out diagrams on page 3 3 for the location of these pins Each channel can be paced individually at rates up to 10 000 updates per...

Страница 22: ...the PC platform 500 mA for desktop PCs and self powered hubs or 100 mA for bus powered hubs and notebook computers With all outputs at their maximum output current you can calculate the total current...

Страница 23: ...for the location of these pins Accuracy The overall accuracy of any instrument is limited by the error components within the system Quite often resolution is incorrectly used to quantify the performan...

Страница 24: ...fset error Offset error affects all codes equally by shifting the entire transfer function up or down along the input voltage axis The accuracy plots in Figure 3 11 are drawn for clarity and are not d...

Страница 25: ...ote that gain error is expressed as a ratio Values near FS are more affected from an absolute voltage standpoint than are values near mid scale which see little or no voltage error Combining these two...

Страница 26: ...ery time from saturation which can affect the next measurement in the queue Synchronizing multiple units You can connect the SYNC pin of two UMDAS 0802DA units together in a master slave configuration...

Страница 27: ...er slave configuration is shown here Slave P Master UMDAS 0802DA Slave UMDAS 0802DA SYNC pin pin 19 For the slave UMDAS 0802DA Set the Universal Library option with This configures the SYNC pin on the...

Страница 28: ...4 4 V G 5 2 5 V G 8 2 0 V G 10 1 25 V G 16 1 0 V G 20 Software selectable Software paced 250 samples per second S s typ PC dependent Throughput Note 2 Continuous scan 48 kilosamples per second kS s C...

Страница 29: ...0802DA intermediate input ranges Table 4 2 Accuracy differential mode Range Absolute Accuracy 25 C mV Absolute Accuracy 0 to 50 C mV 20 V 10 98 49 08 10 V 7 32 33 42 5 V 3 66 20 76 4 V 2 92 19 02 2 5...

Страница 30: ...SR Gain Error at FS mV Offset mV Note 6 Accuracy at FS mV 0 to 4 096 V 0 1 typ 0 9 max 4 0 typ 36 0 max 1 0 typ 9 0 max 4 0 typ 45 0 max Note 6 Zero scale offsets may result in a fixed zero scale erro...

Страница 31: ...8 KHz maximum Input mode 1 s min Clock pulse width Output mode 5 s min Input leakage current Input mode 1 0 A Input high voltage 4 0 V min 5 5 V absolute max Input low voltage 1 0 V max 0 5 V absolute...

Страница 32: ...hub 20 mA max Note 10 Note 11 Note 12 This is the total current requirement for the UMDAS 0802DA which includes up to 10 mA for the status LED Self powered hub refers to a USB hub with an external pow...

Страница 33: ...th 3 meters max Main connector and pin out Table 4 19 Main connector specifications Connector type Screw terminal Wire gauge range 16 AWG to 30 AWG 4 channel differential mode Pin Signal Name Pin Sign...

Страница 34: ...25 Port A4 6 AGND 26 Port A5 7 CH4 IN 27 Port A6 8 CH5 IN 28 Port A7 9 AGND 29 GND 10 CH6 IN 30 PC 5V 11 CH7 IN 31 GND 12 AGND 32 Port B0 13 D A OUT 0 33 Port B1 14 D A OUT 1 34 Port B2 15 AGND 35 Po...

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Страница 37: ...settings and possibly change settings before reinstalling the modules 3 Have a volt meter handy to take measurements of the signals you are trying to measure as well as the signals on the board modul...

Страница 38: ...UMDAS 0802DA CyberResearch Data Acquisition 32 Copyright 2006 CyberResearch Inc Intentionally Blank...

Страница 39: ...t and the sole and exclusive liability of the Seller its successors or assigns in connection with equipment purchased and in lieu of all other warranties expressed implied or statutory including but n...

Страница 40: ...UMDAS 0802DA CyberResearch Data Acquisition 34 Copyright 2006 CyberResearch Inc Intentionally Blank...

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Страница 42: ...CyberResearch Inc 25 Business Park Drive Branford CT 06405 USA P 203 483 8815 F 203 483 9024 www cyberresearch com...

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