USB2080 User`s Manual
Contents
1. Figure 5 3 High Level Trigger When ADPara TriggerDir USB2080 TRIGDIR POSITIVE it means the trigger level is high When DTR trigger signal is in high level A D is in the conversion process once the trigger signal is in the low level A D conversion will automatically stop when the trigger signal is in the high level again A D will re access to the conversion process which is only converting the data when the trigger signal is in the high level When ADPara TriggerDir USB2080 TRIGDIR POSIT NEGAT it means the trigger level is low or high The effect is the same as the internal software trigger BUY ONLINE at art control com englishs or CALL 86 10 64862359 64861583 CN 14 USB2080 Data Acquisition V6 221 Chapter 6 Methods of using Internal and External Clock Function 6 1 Internal Clock Function Internal Clock Function refers to the use of on board clock oscillator and the clock signals which are produced bv the user specified freguency to trigger the A D conversion regularly To use the clock function the hardware parameters ADPara ClockSouce USB2080 CLOCKSRC IN should be installed in the software The frequency of the clock in the software depends on the hardware parameters ADPara Freguency For example if Freguency 100000 that means A D work frequency is 100000Hz that is 100 KHz 10us point 6 2 Methods of Using Continuum and Grouping Sampling Function 6 2 1 Continuum Sampling Function The2. The internal sampling clock cycle 1 AD Para Frequency The total number of sampling channels AD Para Last Channel AD Para First Channel 1 Loops of group ADPara LoopsOfGroup AD Chips conversion time see AD Analog Input Function parameter Group Interval AD Para Group Interval Signal Cycle Points with the display of the waveform signal in test procedures we can use the mouse to measure the signal cycle points Under the internal clock mode for example sample two channel 0 1 and then 0 and 1 become a group Sampling frequency Frequency 100000Hz cycle is 10us Loops of group is 1 Group Interval 50us then the acquisition process is to collect a set of data first including a data of channel 0 and a data of channel 1 We need 10uS to sample the two data 20us to convert the data from the two channels After the conversion time of an AD chip AD will automatically cut off to enter into the waiting state until the 50us group interval ends We start the next group begin to convert the data of channel 0 and 1 and then enter into the waiting state again and the conversion is going on in this way as the diagram following shows Start Enabled aes Convert Pulse lal Y albie ali a I Figure 6 1 Grouping Sampling which grouping cycle No is 1 under the Internal Clock Mode Note a internal clock sample cycle b AD chips conversion time c Group Interval d group cycle C
3. WN VW NN a L TW r Y Pi Ari Hd IR A M FT i l xXYFT Co Ltd 2 2 The Function Description for the Main Component 2 2 1 Signal Input and Output Connectors CNI Analog input connector Pl Digital signal input and output connector DID Device Physics ID 2 2 2 Potentiometer RP1 Analog signal input zero point adjustment potentiometer U BUY ONLINE at art control com englishs or CALL 86 10 64862359 64861583 CN 5 USB2080 Data Acquisition V6 221 RP3 Analog signal input full scale adjustment potentiometer 2 2 3 Jumper JP4 JP5 and JP6 Analog signal input single ended double end selection JP7 Analog signal input range selection JPW1 JPW2 and JPW3 DSP loader mode selection 1 2 pins shorted default JTAG1 JTAG2 The connector which is used to write logic device Analog input single ended and double ended selection Analog signal output range selection AD7899 1 2 2 4 Status indicator AD Work AI working status indicator on for normal condition Read Data reading indicator Half Data buffer half full indicator on for half full status power led power indicator on for normal condition USB2080 Data Acquisition V6 221 2 2 5 Phvsical ID of DID DID Set physical ID number only the low 4 bits are effective 16 physical ID number can be selected DID points to ON that means 1 and when it points to the other side that means 0 ONC USB2080 Data Acquis
4. In this function when calling the InitDeviceAD function A D will not immediately access to the conversion process but wait for the external trigger source signals accord with the condition then start converting the data It also can be interpreted as the hardware trigger Trigger source includes the DTR Digital Trigger Source When the trigger signal is the digital signal standard TTL level using the DTR trigger source 1 Edge trigger function Edge trigger is to capture the characteristics of the changes between the trigger source signal and the trigger level signal to trigger A D conversion When ADPara TriggerDir USB2080 TRIGDIR NEGATIVE choose the trigger mode as the falling edge trigger That is when the DTR trigger signal is on the falling edge A D will immediately access to the conversion process and its follow up changes have no effect on A D acquisition BUY ONLINE at art control com englishs or CALL 86 10 64862359 64861583 CN 12 USB2080 Data Acquisition V6 221 A D Start Pulse Digital Trigger Signal f PO FFNME e Ca a The falling edge before The waiting time gt The first falling edge after the the A D started is di AJD started is valid l Al a pu Ceescsosesocososesocssscesocsccosososecososee A D working Pulse p green FE e Figure 5 2 Falling edge Trigger When ADPara TriggerDir USB2080 TRIGDIR POSITIVE choose the trigger mode as rising edge trigger That is w
5. and several signals use the common reference ground This mode is widely applied in occasions of the small interference and relatively many channels AIO analog signal All dd AD e e Lg n O act MAN J Figure 4 1 single ended input connection 4 2 Analog Input Differential ended Mode Double ended input mode which was also called differential input mode uses positive and negative channels to input a signal This mode is mostly used when biggish interference happens and the channel numbers are few Single ended double ended mode can be set by the software please refer to USB2080 software manual According to the diagram below USB2080 board can be connected as analog voltage double ended input mode which can effectively suppress common mode interference signal to 1mprove the accuracy of acguisition Positive side of the 16 channel analog input signal is connected to AIO A15 the negative side of the analog input signal is connected to AI16 AI31 equipments in industrial sites share the AGND with USB2080 board a AIO analog signal device AI16 o All N o device AI17 CY ill A e e AI15 AI31 G device dozens of KQ to hundreds of KQ AGND l l ie FUN b Figure 4 2 double ended input connection BUY ONLINE at art control com englishs or CALL 86 10 64862359 64861583 CN 10 USB2080 Data Acquisition V6
6. ceceesssssssesssssssssssssssesssscsssssssessseeessssssasssaaaassssssasseassassaaasaaaaas 10 4 a G0 01 OS a ee E E EE 11 Chapter 5 The Instruction of the Trigger Function cccccccccsseeeccccccceecn ee eesececeeeeaaeeeseeeeeeeeeaaeseeeeeeeesaaaeseeeeeeeeaaaaeseeeeeeeeaaaaees 12 as ML E 26 27 10 61 e 12 STe dT EM Rd Yd dd 12 Chapter 6 Methods of using Internal and External Clock Function ss eeeeeeennnnnnnnznnnnnnnnnnnnannnzznnnnnnnnnnnnnanzrznnnana 15 6 1 Internal Clock Functio ia aa sit 15 6 2 Methods of Using Continuum and Grouping Sampling Function Le emmen ennennnnnnzznnnnnnznnnznannanannnnannnnnananana 15 62 Continuum Sampling Pn HOM a ise heed hee eee eS 15 6 2 2 Grouping Sampling PUBCHON taa L aa 16 Chapter 7 Notes Calibration and Warranty Policy ena EKAEEA EEA EEA A Ann AEEEEEKA DAM KEKENNKAKAnEnEnEEZEZEZZZAZA 19 f IA 19 Te Analogs Signal laput Calta OM ces ice RY RR enr ear r EEIEIEE NEINEI EEIN ELIN RUT ARFER 19 8a CV ne 01 ag Nr FY FFR RR YF FFOI PF GYFF AGY FFO AF DR FT AFR DFTN FFON FNAN 19 Products Rapid Installation and Self check na 21 fta 6 B to U NE NEF E EE E nee 21 DE li G EE ka 21 Delete Wrong JTostalla Ois Y PF FT PY EFFRO OEE EEr FN NR HN PF dos 21 USB2080 Data Acquisition V6 221 Chapter I Overview In the fields of Real time Signal Processing Digital Image Processing and others high speed and high precision data acguisition modules are
7. demanded ART USB2080 data acguisition module which brings in advantages of similar products that produced in china and other countries is convenient for use high cost and stable performance ART USB2080 is a data acguisition module based on USB bus It can be directly inserted into computer s USB interface which is compatible with USB2080 to constitute the laboratory product guality testing center and systems for different areas of data acguisition waveform analysis and processing It may also constitute the monitoring system for industrial production process Unpacking Checklist Check the shipping carton for any damage If the shipping carton and contents are damaged notify the local dealer or sales for a replacement Retain the shipping carton and packing material for inspection by the dealer Check for the following 1tems in the package If there are any missing items contact your local dealer or sales gt USB2080 Data Acquisition Board gt _ ART Disk a user s manual pdf b drive c catalog gt Warranty Card FEATURES Analog Input gt Converter Type AD7899 1 or AD7899 2 gt Input Range AD7899 1 10V 5V AD7899 2 0 SV 0 2 5V 14 bit resolution Sampling Rate 138Hz 400KHz Analog Input Mode 32SE 16DI Analog Input Impedance 100MO Analog Input Common mode Voltage Range lt r 2V Clock Source internal clock Trigger Mode software trigger hardware trigger external trigger Trigger Type level trigger edge tr
8. do not touch IC chip in the front panel of USB2080 module 7 2 Analog Signal Input Calibration Every device has to be calibrated before sending from the factory It is necessary to calibrate the module again 1f users want to after using for a period of time or changing the input range In the manual we introduce how to calibrate USB2080 in 5V calibrations of other input ranges are similar Prepare a digital voltage instrument which the resolution is more than 5 5 bit install the USB2080 module and then power on warm up for fifteen minutes I Zero adjustment select one channel of analog inputs take the channel AIOfor example connect OV to AIO and then run ART Data Acquisition Measurement Suite in the WINDOWS Choose channel 0 10V input range and start sampling adjust potentiometer RPI in order to make voltage value is 0 000V or about 0 000V Zero adjustment of other channels is alike 2 Full scale adjustment select one channel of analog inputs take the channel AIO for example connect 4999 89mV to AIO and then run ART Data Acguisition Measurement Suite in the WINDOWS Choose channel 0 45V input range and start sampling adjust potentiometer RP2 in order to make voltage value is 4999 89mV or about 4999 89mV Full scale adjustment of other channels is alike 3 Repeat steps above until meet the requirement 7 3 Warranty Policy Thank you for choosing ART To understand your rights and enjoy all the after sales services we off
9. 221 4 3 Other Connections DTR wee DIO switch signal D ae di DIL Uu DR 1 ap DI7 lt a A switch device switch device DGND SR DGND J Figure 4 5 trigger Signal Connection Figure 4 3 digital signal input connection DO0 switch signal DOI DO2 1 o 1 switch device switch device DGND Figure 4 4 digital signal output connection USB2080 Data Acquisition V6 221 Chapter 5 The Instruction of the Trigger Function 5 1 Internal Trigger Mode When A D is in the initialization if the hardware parameter ADPara TriggerMode USB2080 TRIGMODE SOFT we can achieve the internal trigger acguisition In this function when calling the InitDeviceAD function it will generate A D start pulse A D immediately access to the conversion process and not wait for the conditions of any other external hardware It also can be interpreted as the software trigger As for the specific process please see the figure below the cycle of the A D work pulse is decided by the sampling freguency The first working pulse after the A D 4 start pulse Figure 5 1 Internal Trigger Mode 5 2 External Trigger Mode When A D is in the initialization if the A D hardware parameter ADPara TriggerSource USB2080 TRIGSRC OUT we can achieve the external trigger acquisition
10. USB2080 User s Manual O Beijing ART Technology Development Co Ltd USB2080 Data Acquisition V6 221 Contents COMICS cz sis sack FREE FFF HF FERF FFF FFF HY NFFDNF PRY FEWR EAFFAF FN DYFETHA EEF EFA FFY FYNY FF FR FF IR FFF anand 2 CHOICE L OVON EN orria er E EN 3 Chapter 2 Components Layout Diagram and a Brief Description ss sseeseennnzznnnnnnknznnnzzzznnnnnnznnnzzzznnnnnnnznnzzznannnnnntnnn 5 2 1 The Main Component Layout D1agram Anna 5 2 2 The Function Description for the Main Component s seen 5 2 2 1 Signal Input and Output Connectors Anna nn 5 2 2 2 POLOT 8 Lo ERTH FY NOA E A E none 5 22 A ab OO d 6 2 2 PAWS MIG AGO EAE AATE AAAI A AANI AATNI AA E AA E A FYR 6 FI UG Mic D sN f o g a a CH COS FFF NCF FY FWY FEN NR AF EIRFA FF YF FFCCH DY RE FEN OF RF FN FN FF DYFOT NF 8 3 1 The Definition of Analog Signal Input and Output Connector sess eeeennnnnnnnnnnnnnnnnzzznznnanzzzznznananazznnananznnannnna 8 3 2 The Definition of Digital Signal Input and Output Connector ss eee eee neennnnnnnnnnnnananznnnanzznnnanananzzanannnananannana 9 Chapter 4 Connection Ways for Each Signal ss ss ssennnnnnnnnn nanna na A eee EEA GAGA AAA EA NEE EEEEEZAMBMEEKENNNAKEEEEEnEEEZZZZZZZEZA 10 4 1 Analog Input Singie ended Comne Ct Otis 21s evs cessesceetesncscenctrustacaenistenctaustasesnsstenstnustasatnistenctecctatetestectnestacauistaees 10 4 2 Analog Input Differential ended Mode ccc
11. continuous acguisition function means the sampling periods for every two data points are completely egual in the sampling process of A D that is completely uniform speed acguisition without any pause so we call that continuous acguisition To use the continuous acquisition function the hardware parameters ADPara ADMode USB2080 ADMODE SEQUENCE should be installed in the software For example in the internal clock mode hardware parameters ADPara Frequency 100000 100KHz should be installed and 10 microseconds after the A D converts the first data point the second data point conversion starts and then 10 microseconds later the third data point begins to convert and so on The formula for calculating the external signal frequency is as follows Under the internal clock mode External signal frequency A D sampling frequency cycle signal points x the total number of sample channels External signal cycle 1 external signal frequency Under the external clock mode External signal frequency external clock frequency cycle signal points x the total number of sample channels External signal cycle 1 external signal frequency Enable eee Pulse 2n Figure 6 1 collecting continuum sampling in internal clock mode BUY ONLINE at art control com englishs or CALL 86 10 64862359 64861583 CN 15 USB2080 Data Acquisition V6 221 Note a sampling cycle 6 2 2 Grouping Sampling Function Grouping acguisition pseud
12. er please read the following carefully 1 Before using ART s products please read the user manual and follow the instructions exactly When sending in damaged products for repair please attach an RMA application form which can be downloaded from www art control com 2 All ART products come with a limited two year warrantv gt _ The warranty period starts on the day the product is shipped from ART s factory gt For products containing storage devices hard drives flash cards etc please back up your data before sending them for repair ART is not responsible for any loss of data Please ensure the use of properly licensed software with our systems ART does not condone the use of pirated software and will not service systems using such software ART will not be held legally responsible for products BUY ONLINE at art control com englishs or CALL 86 10 64862359 64861583 CN 19 USB2080 Data Acquisition V6 221 shipped with unlicensed software installed bv the user 3 Our repair service is not covered by ART s guarantee in the following situations Damage caused by not following instructions in the User s Manual Damage caused by carelessness on the user s part during product transportation Damage caused by unsuitable storage environments i e high temperatures high humidity or volatile chemicals V Y V V Damage from improper repair by unauthorized ART technicians gt Products with altered and or damaged serial nu
13. hange the loops of group into 2 then the acquisition process is to collect the first set of data including two data of channel 0 and two data of channel 1 the conversion order is 0 1 0 1 We need 10us to sample each of the four data After the conversion time of an AD chip AD will automatically stop to enter into the waiting state until the 50us Group Interval ends We start the next group begin to convert the data of channel 0 and 1 and then enter into the waiting state again and the conversion is going on in this way as the diagram following shows USB2080 Data Acquisition V6 221 Start Enabled Convert Pulse a ee L Figure 6 2 Grouping Sampling which grouping cycle No is 2 under the Internal Clock Mode Notes a internal clock sample cycle b AD chips conversion time c Group Interval d group cycle BUY ONLINE at art control com englishs or CALL 86 10 64862359 64861583 CN 18 USB2080 Data Acquisition V6 221 Chapter 7 Notes Calibration and Warrantv Policv 7 1 Notes In our products packing user can find a user manual a USB2080 module and a qualitv guarantee card Users must keep qualitv guarantee card carefully if the products have some problems and need repairing please send products together with guality guarantee card to ART we will provide good after sale service and solve the problem as guickly as we can When using USB2080 in order to prevent the IC chip from electrostatic harm please
14. hen the DTR trigger signal is on the rising edge A D will immediately access to the conversion process and its follow up changes have no effect on A D acguisition When ADPara TriggerDir USB2080 TRIGDIR POSIT NEGAT choose the trigger mode as rising or falling edge trigger That is when the DTR trigger signal is on the rising or falling edge A D will immediately access to the conversion process and its follow up changes have no effect on A D acguisition This function can be used in the case that the acguisition will occur 1f the exoteric signal changes 2 Level trigger function Level trigger is to capture the condition that trigger signal is higher or lower than the trigger level to trigger A D conversion When ADPara TriggerDir USB2080 TRIGDIR NEGATIVE it means the trigger level is low When DTR trigger signal is in low level A D is in the conversion process once the trigger signal is in the high level A D conversion will automatically stop when the trigger signal is in the low level again A D will re access to the conversion process which is only converting the data when the trigger signal is in the low level USB2080 Data Acquisition V6 221 A DStart ref Digital Trigger Signal The high level before the gt The first pulse after the MH rr A D Working Pulse i A D triggered Fd cc
15. igger Trigger Direction negative positive either positive or negative trigger Trigger Source DTR Input Range standard TTL level On board Memory 96K word FIFO Programmable Gain 1 2 4 8 AD8251 default or 1 2 5 10 AD8250 or 1 10 100 1000 AD8253 Analog Input Impedance 10MO Amplifier Set up Time 785nS 0 001 max VV VV VV VV VV VV V WV BUY ONLINE at art control com englishs or CALL 86 10 64862359 64861583 CN 3 USB2080 Data Acquisition V6 221 gt Non linear error z1LSB Maximum gt System Measurement Accuracy 0 05 gt Operating Temperature Range 0 C 55 C gt Storage Temperature Range 20 C 70 C Digital Input gt Channel No 8 channel gt Electric Standard TTL compatible gt Maximum Sink Current less than 0 5 mA gt High Voltage 2V gt Low Voltage 0 8V Digital Output gt Channel No 8 channel gt Electrical Standard TTL compatible gt Maximum Pull down Current 20mA gt Maximum Pull up Current 2 6mA gt High Voltage 3 4V gt Low Voltage 0 5V Dimension 108 5mm L x 114 4mm W x 17mm H 4 USB2080 Data Acquisition V6 221 Chapter 2 Components Lavout Diagram and a Brief Description 2 1 The Main Component Layout Diagram RPI RPS i u 7 Nos kw CE unig EEEE T TOT a jum e Tiwi SX ae g al u n mu efi E J AUR amp SEN LULL r i A ru 7 Tiii i a n UN A 4 i y Er ika b TA J E Miniti
16. ition V6 221 Chapter 3 Signal Connectors 3 1 The Definition of Analog Signal Input and Output Connector 37 core plug on the CNI pin definition 19 AIO All Si e O 18 AI2 ALB 36 a HN Al4 AIS 35 O 16 AI6 AI7 344 O 15 AIS AI9 SE O 14 AI10 AILI 32 9 2 13 AI12 A113 31 9 7 sel AI14 A115 30 gt O Il A116 A117 2 O 10 AI18 AI19 28 9 AI20 AI21 1 y A23 26 7 AI24 AI25 Ja e lt 6 AI26 AI27 24 ME AI28 A129 p __4 AI30 AI31 22 3 AGND AGND 21 MI DGND DGND 20 l DTR Pin definition about CN1 AIO0 AI31 AD analog input reference ground is AGND AGND I GND Analog ground This AGND pin should be connected to the system s AGND plane DGND Digital ground Ground reference for Digital circuitry This DGND pin should be connected to the system s DGND plane Digital trigger signal input reference ground is DGND USB2080 Data Acguisition V6 221 3 2 The Definition of Digital Signal Input and Output Connector 20 core plug on the P1 pin definition 5Y 2 DIO 4 DT b Did g Di 10 DOO 12 DO 14 DO4 16 DOD 18 DGND 20 Pin definition about P1 5 DII DI3 DIS DW DOI DO3 DOS DO DGND DIO DI7 DO0 DO7 Output Power output 5V max 100 mA DGND GND Digital signals ground USB2080 Data Acquisition V6 221 Chapter 4 Connection Wavs for Each Signal 4 1 Analog Input Single ended Connection Single ended mode can achieve a signal input by one channel
17. mbers are not entitled to our service 4 Customers are responsible for shipping costs to transport damaged products to our company or sales office 5 To ensure the speed and guality of product repair please download an RMA application form from our company website BUY ONLINE at art control com englishs or CALL 86 10 64862359 64861583 CN 20 USB2080 Data Acquisition V6 221 Products Rapid Installation and Self check Rapid Installation Product driven procedure is the operating system adaptive installation mode After inserting the disc you can select the appropriate board type on the pop up interface click the button driver installation or select CD ROM drive in Resource Explorer locate the product catalog and enter into the APP folder and implement Setup exe file After the installation pop up CD ROM shut off your computer insert the USB card If it is a USB product it can be directly inserted into the device When the system prompts that it finds a new hardware you do not specify a drive path the operating system can automatically look up it from the system directory and then you can complete the installation Self check At this moment there should be installation information of the installed device in the Device Manager when the device does not work you can check this item Open Start gt Programs gt ART Demonstration Monitoring and Control System gt Corresponding Board gt Advanced Testing Presentati
18. o synchronous acguisition function refers to the sampling clock freguency conversion among the channels of the group in the AD sampling process and also a certain waiting time exists between every two groups this period of time is known as the Group Interval Loops of group refer to numbers of the cycle acguisition for each channel in the same group In the internal clock mode and the fixed freguency external clock mode the time between the groups is known as group cycle The conversion process of this acguisition mode as follows a short time stop after the channels conversion in the group that is Group Interval and then converting the next group followed by repeated operations in order so we call it grouping acguisition The purpose of the application of the grouping acguisition is that at a relatively slow freguency to ensure that all of the time difference between channels to become smaller in order to make the phase difference become smaller thus to ensure the synchronization of the channels so we also say 1t is the pseudo synchronous acguisition function In a group the higher the sampling freguency is the longer Group Interval is and the better the relative synchronization signal is The sampling frequency in a group depends on ADPara Frequency Loops of group depends on ADPara LoopsOfGroup the Group Interval depend on ADPara Group Interval Based on the grouping function it can be divided into the internal clock mode and the e
19. on System the program is a standard testing procedure Based on the specification of Pin definition connect the signal acguisition data and test whether AD is normal or not Connect the input pins to the corresponding output pins and use the testing procedure to test whether the switch is normal or not Delete Wrong Installation When you select the wrong drive or viruses lead to driver error you can carry out the following operations In Resource Explorer open CD ROM drive run Others SUPPORT gt USB bat procedures and delete the hardware information that relevant to our boards and then carry out the process of section I all over again we can complete the new installation BUY ONLINE at art control com englishs or CALL 86 10 64862359 64861583 CN 21
20. xternal clock mode Under the internal clock mode the group cycle is decided by the internal clock sampling period the total number of sampling channels Loops of group and Group Interval together In each cycle of a group AD only collects a set of data Under the external clock mode external clock cycle internal clock sampling cycle x the total number of sampling channels x Loops of group AD chip conversion time AD data acquisition is controlled and triggered by external clock The external clock mode is divided into fixed frequency external clock mode and unfixed frequency external clock mode Under the fixed frequency external clock mode the group cycle is the sampling period of the external clock The formula for calculating the external signal frequency is as follows Under the internal clock mode Group Cycle the internal clock sampling period x the total number of sample channels x Loops of group AD chips conversion time Group Interval External signal cycle cycle signal points Loops of group x Group Cycle External signal frequency 1 external signal cycle Under the external clock mode a fixed frequency external clock Group Cycle external clock cycle External signal cycle cycle signal points Loops of group x Group Cycle External signal frequency 1 external signal cycle Formula Notes BUY ONLINE at art control com englishs or CALL 86 10 64862359 64861583 CN 16 USB2080 Data Acquisition V6 221
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