USB2832 User`s Manual
Contents
1. 1Hz 10MHz gt Gate GATEn Rising high level and low level gt Counter Output OUTn high level low level Other Features Board Clock Oscillation 40MH7z Dimension 120mm L 98 5mm W 16mm H 4 USB2832 Data Acquisition Chapter 2 Components Layout Diagram and a Brief Description 2 1 The Main Component Layout Diagram CONI oi f min INT Gaai we MER oe is PI CNI MODEL JP veo ITFI Tri L w 2 ARR DIDI 2 2 The Function Description for the Main Component 2 2 1 Signal Input and Output Connectors CNI analog signal input output connector CONI 5V power input terminal P1 digital signal input output connector 2 2 2 Potentiometer RP1 Analog signal input zero point adjustment potentiometer RP2 Analog signal input full scale adjustment potentiometer BUY ONLINE at art control com englishs or CALL 86 10 51289836 CN 5 USB2832 Data Acquisition 2 2 3 Jumper JPW 1 load USB controller program 1 2 shorted default 2 2 4 Physical ID of DIP Switch DIDI Set physical ID number When the PC is installed more than one USB2832 you can use the DIP switch to set a physical ID number for each board which makes it very convenient for users to distinguish and visit each board in the progress of the hardware configuration and software programming The following four byte numbers are expressed by the binary system When DIP switch points to ON that means 1 and when it points to the other2. Data Acquisition CW 10 LSB 4 a ee o o GATE OUT EEE FF i o H Jn nn I 3 2 FF FE CW 10 LSB 3 CW 10 L5B 3 LSB 7 OUT 0 o o 0 FF n n n n 3 2 SRI Figure 5 1 Mode 0 MODE 1 Hardware retriggerable one shot OUT will be initially high OUT will go low on the CLK pulse following a trigger to begin the one shot pulse and will remain low until the Counter reaches zero OUT will then go high and remain high until the CLK pulse after the next trigger After writing the Control Word and initial count the Counter is armed A trigger results in loading the Counter and setting OUT low on the next CLK pulse thus starting the one shot pulse An initial count of N will result in a one shot pulse N CLK cycles in duration The one shout is retriggerable hence OUT will remain low for N CLK pulses after any trigger The one shot pulse can be repeated without rewriting the same count into the counter GATE has no effect on OUT If a new count is written to the Counter during a one shot pulse the current one shot is not affected unless the counter is retriggered In that case the Counter is loaded with the new count and the one shot pulse continues until the new count expires BUY ONLINE at art control com englishs or CALL 86 10 51289836 CN 13 USB2832 Data Acquisition NOTE The following conventions apply to all mode timing diagrams 1 Counters are programmed for binary not BCD c
3. OUT will initially be high When half the initial count has expired OUT goes low for mainder of the count Mode 3 is periodic the sequence above is repeated indefinitely An initial count of N results in a square wave with a period of N CLK cycles GATE 1 enables counting GATE 0 disables counting If GATE goes low while OUT is low OUT is set high immediately no CLK pulse is required A trigger reloads the Counter with the initial count on the next CLK pulse Thus the GATE input can be used to synchronize the Counter After writing a Control Word and initial count the Counter will be loaded on the next CLK pulse This allows the Counter to be synchronized by software also Writing a new count while counting does not affect the current counting sequence If a trigger is received after writing a new count but before the end of the current half cycle of the square wave the Counter will be loaded with the new count on the next CLK pulse and counting will continue from the new count Otherwise the new counter will be loaded at the end of the current half cycle Mode 3 1s implemented as follows Even counts OUT is initially high The initial count is loaded on one CLK pulse and then is decremented by two on succeeding CLK pulses When the count expires OUT changes value and the Counter is reloaded with the initial count The above process is repeated indefinitely Odd counts OUT is initially high The initial count minus one an even numbe
4. side that means 0 As they are shown in the following diagrams byte ID3 is the high byte ID0 is the low byte and the black part in the diagram represents the location of the switch Test software of the company often uses the logic ID management equipments and at this moment the physical ID DIP switch is invalid If you want to use more than one kind of the equipments in one and the same system at the same time please use the physical ID as much as possible ID3 ID2 IDI IDO 4 3 2 1 ON ON The above chart shows 1111 so it means that the physical ID is 15 ID3 ID2 IDI IDO 4 3 2 1 ON ON The above chart shows 0111 so it means that the physical ID is 7 ID3 ID2 IDI IDO 4 3 2 1 ON ON The above chart shows 0101 so it means that the physical ID is 5 OFF O USB2832 Data Acquisition ww foro oro wa 9 ON 1 OFF 0 ON 1 ON 1 B Pony on or ow p 11 USB2832 Data Acquisition Chapter 3 Signal Connectors 3 1 The Definition of Analog Signal Input and Output Connectors 37 pin D type definition 19 ATO AII ET jem AL 36 17 AI4 AIS 8 MD L AI6 A17 34 __ Db AIS AU o jq ALLO AIN 32 ld All2 aa e 12 All4 A115 30 aM A116 A117 yn 10 AI18 A119 28 9 AI20 AI21 Da a A123 26 aud AI24 AI25 Da 6 A126 A127 24 ME AI28 AI29 23 _ 4 A130 ABI 22 fi AGND AGND DI AGND AGND 20 1 AGND Pin defin
5. ATE 0 disables counting If GATE goes low during an output pulse OUT is set high immediately A trigger reloads the Counter with the initial count on the next CLK pulse OUT goes low N CLK pulses after the trigger Thus the GATE input can be used to synchronize the Counter After writing a Control Word and initial count the Counter will be loaded on the next CLK pulse OUT goes low N CLK Pulses after the initial count is written This allows the Counter to be synchronized by software also Writing a new count while counting does not affect the current counting sequence If a trigger is received after writing a new count but before the end of the current period the Counter will be loaded with the new count on the next CLK pulse and counting will continue from the new count Otherwise the new count will be loaded at the end of the current counting cycle In mode2 a COUNT of 1 I illegal CW 14 L5B 3 SOS GATE OUT slelitalelsla w ufu ln pM N NN 3 CWsi4 LSB 3 GATE CWa 14 LSB 4 LSB amp GATE OUT LJ o oO oO oO FY Oo IR KO A odessa dele des Figure 5 3 Mode 2 Note A GATE transition should not occur one clock prior to terminal count BUY ONLINE at art control com englishs or CALL 86 10 51289836 CN 15 USB2832 Data Acquisition MODE 3 Square wave mode Mode 3 is typically used for Baud rate generation Mode 3 is similar to Mode 2 except for the duty cycle of OUT
6. USB2832 User s Manual g Beijing ART Technologv Development Co Ltd USB2832 Data Acquisition Contents CO OTTO OT 2 CHOICE L OVON ES CFE ORA O EEN 3 Chapter 2 Components Layout Diagram and a Brief Description ss sseeseennnzzznnnenknznnnznzznnnenzzznnzzzznannnznznnzzznnanannntnnn 5 2 1 The Main Component Layout Dia Oran icici secescscseceacecdexecsesdesedcacdesentaadesedsacdedectegdesedsnsdesentagdesedsecdedectecdeeedebedexeoe s 5 2 2 The Function Description for the Main Component na 5 2 2 1 Signal Input and Output Connectors KEEA AAAAAAAAAAAA na EEEREN Er EEE anna 5 2 21 20 POOE E AIA NY FN TR FR FE Y TE 5 2213 MUM Sette sees ANF d 6 2 2 4 Physical ID of DIP SWitch ccccccerccriznnnenn eee ze nenzenenezzzzenenizzonen ninna ninzinionenizzzzzinnezienee eee ze zezzzzzoninnene 6 Chapter Sied CONNEC CIONS lrn INTRA Ie 8 3 1 The Definition of Analog Signal Input and Output Connectors cccccccccceeeeeceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeess 8 3 2The Definition of Digital Signal Input and Output Connectors ccccccccccsceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeseeeeeeeess 9 Chapter 4 Connection Ways for Each Signal iii 10 4 1 AD Sine le ended Input Connecti s sssini iieii irie iiie a aisre eii iia i 10 42 AD Ponbiesetided Input Mode sorsoran A aaa ii At 10 4 20 HC F G onne ONS a r E rin Il Chapter 5 Metho
7. ds of Using Timer Counter iii 12 ARLES RR E 12 Chapter 6 Notes Calibration and Warranty Policy iiii 20 AID ERRE IE 20 6 2 Analog Signal Input CalibratiOll ee Hau a Og NO UU GU UO ng HOG O GU GO UF UO 20 CENE ME i IN NR NN 20 Products Rapid Installation and Sel CHECK s scscdendsccsdcecdeiedenddotadcncdoiadenddotadcacdoiadenddctedcaedsiadenddotadcncdoiadencdombencdaimenceetdencdane 22 LE RIE ACOA PRE a d a d ad 22 SS i Lo GYFF NR REF FFF triti aa nn 22 Delete Wrong Installation SOIA ne INERTI 22 USB2832 Data Acquisition Chapter I Overview In the fields of Real time Signal Processing Digital Image Processing and others high speed and high precision data acquisition modules are demanded ART USB2832 data acquisition module which brings in advantages of similar products that produced in china and other countries 1s convenient for use high cost and stable performance ART USB2832 is a data acquisition module based on USB bus It can be directly inserted into USB interface to constitute the laboratory product quality testing center and systems for different areas of data acquisition 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 fo
8. installation 7 7 BUY ONLINE at art control com englishs or CALL 86 10 51289836 CN 22
9. ition about AD AIO AI31 Analog input reference ground is AGND AGND MU Analog ground This AGND pin should be connected to the system s AGND plane USB2832 Data Acquisition 3 2 The Definition of Digital Signal Input and Output Connectors P1 34 pin definition 5V 5V DIO DII DI2 DI3 DI4 DI5 DI6 DI7 DGND DGND DOO DOI DO2 DO3 DO4 DOS DO6 DO7 DGND DGND OUTO GATEO CLKO OUTI GATEI CLKI OUT2 GATE2 CLK2 DGND CLK2M DGND Clock pulse input pins CLKO CLK2 Clock pulse input pins GATEO GATE2 Gate input pins OUTO OUT2 Output Output pins DGND Digital ground when use counter timer we best choose it as reference ground USB2832 Data Acquisition Chapter 4 Connection Ways for Each Signal 4 1 AD Single ended Input Connection Single ended mode can achieve a signal input by one channel and several signals use the common reference ground This mode is widely applied in occasions of the small interference and relatively many channels rel Alo analog signal All A AID oe I 3 ae device m A U device ae G dev device AGND a Figure 4 1 single ended input connection 4 2 AD Double ended Input 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 se
10. o adjustment select one of analog inputs take the AIO for example connect OV to AIOA and then run ART Data Acquisition Measurement Suite in the WINDOWS Choose channel 0 adjust potentiometer RP1 in order to make the voltage of AIO is 0 000VZero adjustment of other channels 1s alike 2 Full scale adjustment select one of analog inputs take the AIO for example connect 4998 77mV to AIO and then run ART Data Acquisition Measurement Suite in the WINDOWS Choose channel 0 adjust potentiometer RP2 in order to make the voltage of AIO is 4998 77mvV Full scale adjustment of other channels is alike 3 When switch the input range the zero point and full scale need to be adjusted again 6 3 Warranty Policy Thank you for choosing ART To understand your rights and enjoy all the after sales services we offer 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 warranty 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 gt Please ensure the use of properly licensed softwa
11. ounting and for reading writing least significant byte LSB only 2 The counter is always selected CS always low 3 CW stands for Control Word CW 10 means a control word of 10 HEX is written to the counter 4 LSB stands for Least Significant Byte of count 5 Numbers below diagrams are count values The lower number is the least significant byte The upper number is the most significant byte Since the counter is programmed to read writer LSB only the most significant byte cannot be read N stands for an undefined count Vertical lines show transitions between count values CW 12 LSB 3 CLA GATE OUT o o o o FF o o sjn Safafa lela e CW 12 L5BmJ OUT wjn wn n n Bo amp La O CW 12 LSB 2 LSE CLE GATE OUT BI ich I D FF FF 0 0 O FF FE 4 3 Figure 5 2 Mode 1 BUY ONLINE at art control com englishs or CALL 86 10 51289836 CN 14 USB2832 Data Acquisition MODE 2 Rate Generator This Mode functions like a divide by N counter It is typically used to generate a Real Time Clock interrupt OUT will initially be high When the initial count has decremented to 1 OUT goes low for on CLK pulse OUT then goes high again the Counter reloads the initial count and the process is repeated Mode 2 is periodic the same sequence is repeated indefinitely For an initial count of N the sequence repeats every N CLK cycles GATE 1 enables counting G
12. r is loaded on one CLK pulse and then is decremented by two on succeeding CLK pulses One CLK pulse after the count expires OUT goes low and the Counter 1s reloaded with the initial count minus one Succeeding CLK pulses decrement the count by two When the count expires OUT goes high again and the Counter is reloaded with the initial count minus one The above process is repeated indefinitely So for odd counts OUT will be high for N 1 2 counts and low for N 1 2 counts USB2832 Data Acquisition CW 16 LSB 4 CW 16 L5Bm5 e II ao Cw 16 LSB 4 Im nl elalelalelab el ilel ag3 Figure 5 4 Mode 3 Note A GATE transition should not occur one clock prior to terminal count MODE 4 Software triggered strobe OUT will be initially high When the initial count expires OUT will go low for one CLK pulse and then go high again The counting sequence is triggered by writing the initial count GATF I enables counting GATE 0 disables counting GATE has no effect on OUT After writing a Control Word and initial count the Counter will be loaded on the next CLK pulse This CLK pulse does not decrement the count so for an initial count of N OUT does not strobe low until N 1 CLK pulses after the initial count is written If a new count is written during counting if will be loaded on the next CLK pulse and counting will continue from the new count If a two byte count is written the following happens 1 Writing the fi
13. r inspection by the dealer Check for the following items in the package If there are any missing items contact your local dealer or sales gt USB2832 Data Acquisition Board gt ART Disk a user s manual pdf b drive c catalog gt Warranty Card FEATURES Analog Input Converter Type AD7321 Input Range 10V 5V 2 5V 0 10V 12 bit resolution The highest conversion frequency of AD chip is 500KHz Analog Input Mode 32SE 16DI AD Mode continuum sampling Clock Source internal clock AD Conversion Time lt 1 6us Programmable Gain 1 2 4 8 AD8251 default or 1 2 5 10 AD8250 or 1 10 100 1000 AD8253 Analog Input Impedance 10MO Non linear error 1LSB Maximum System Measurement Accuracy 0 1 Operating Temperature Range 0 C 55 C VV VV VV VV VV VV VV Storage Temperature Range 20 C 70 C Digital Input gt Channel No 8 channel gt Electric Standard TTL compatible BUY ONLINE at art control com englishs or CALL 86 10 51289836 CN 3 USB2832 Data Acquisition gt High Voltage 2 0V gt Low Voltage 0 8V Digital Output gt Channel No 8 channel gt Electrical Standard CMOS compatible gt High Voltage 4 45V gt Low Voltage 0 5V gt Power on output low level Counter gt 16 bit resolution Channel No 3 channel subtracting counters gt Counting Mode 6 counting mode software configurable gt Electrical Standard TTL level gt Clock Source CLKn
14. re 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 shipped with unlicensed software installed by the user 3 Our repair service is not covered by ART s guarantee in the following situations BUY ONLINE at art control com englishs or CALL 86 10 51289836 CN 20 USB2832 Data Acquisition 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 numbers 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 quality of product repair please download an RMA application form from our company website BUY ONLINE at art control com englishs or CALL 86 10 51289836 CN 21 USB2832 Data Acquisition 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 dri
15. rrent count expires the Counter will be loaded with the new count on the next CLK pulse and counting will continue from there CW 1A L5B 3 GLK GATE i OUT N N N N Bb O CW 1A L5B 3 CLE GATE QUT CWmlA LSB 3 LSB 5 FLINT MM CLA GATE OUT im n n n njs e o g F rmr o s 2 olerlreels la Figure 5 6 Mode 5 USB2832 Data Acquisition Chapter 6 Notes Calibration and Warranty Policy 6 1 Notes In our products packing user can find a user manual a USB2832 module and a quality guarantee card Users must keep quality guarantee card carefully if the products have some problems and need repairing please send products together with quality guarantee card to ART we will provide good after sale service and solve the problem as quickly as we can When using USB2832 in order to prevent the IC chip from electrostatic harm please do not touch IC chip in the front panel of USB2832 module 6 2 Analog Signal Input Calibration Every device has to be calibrated before sending from the factory It is necessary to calibrate the module again if users want to after using for a period of time or changing the input range In the manual we introduce how to calibrate USB2832 in 45V calibrations of other input ranges are similar Prepare a digital voltage instrument which the resolution is more than 5 5 bit install the USB2832 module and then power on warm up for fifteen minutes 1 Zer
16. rst byte has no effect on counting 2 Writing the second byte allows the new count to be loaded on the next CLK pulse 77 BUY ONLINE at art control com englishs or CALL 86 10 51289836 CN 17 USB2832 Data Acquisition This allows the sequence to be retriggered by software OUT strobe low N 1 CLK pulses after the new count of N is written CW 18 LSB 3 0 O a o FF FF FF 2 1 O FF FE FD CW 18 LSB 3 CW 18 LSB 3 LSB 2 GATE OUT D N N N N 3 a Figure 5 5 Mode 4 MODE 5 Hardware triggered strobe OUT will initially be high Counting is triggered by a rising edge of GATE When the initial count has expired OUT will go low for one CLK pulse and then go high again After writing the Control Word and initial count the counter will not be loaded until the CLK pulse after a trigger This CLK pulse does not decrement the count so for an initial count of N OUT does not strobe low until N 1 pulse after a trigger A trigger results in the Counter being loaded with the initial count on the next CLK pulse The counting sequence is retriggerable OUT will not strobe low for N 1 CLK pulses after any trigger GATE has no effect on OUT BUY ONLINE at art control com englishs or CALL 86 10 51289836 CN 18 USB2832 Data Acquisition If a new count is written during counting the current counting sequence will not be affected If a trigger occurs after the new count is written but before the cu
17. rupt on terminal count Mode 0 is typically used for event counting After the Control Word is written OUT is initially low and will remain low until the Counter reaches zero OUT then goes high and remains high until a new count or a new Mode 0 Control Word is written into the Counter GATE 1 enables counting GATE 0 disables counting GATE has no effect on OUT After the Control Word and initial count are written to a Counter the initial count will be loaded on the next CLK pulse This CLK pulse does not decrement the count so for an initial count of N OUT does not go high until N 1 CLK pulses after the initial count is written If a new count is written to the Counter it will be loaded on the next CLK pulse and counting will continue from the new count If a two byte count is written the following happens 1 Writing the first byte disables counting OUT is set low immediately no clock pulse required 2 Writing the second byte allows the new count to be loaded on the next CLK pulse This allows the counting sequence to be synchronized by software Again OUT does not go high until N 1 CLK pulses after the new count of N is written If an initial count is written while GATE 0 it will still be loaded on the next CLK pulse When GATE goes high OUT will go high N CLK pulse later no CLK pulse is needed to load the Counter as this has already been done BUY ONLINE at art control com englishs or CALL 86 10 51289836 CN 12 USB2832
18. t by the software please refer to USB2832 software manual According to the diagram below USB2832 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 AI15 the negative side of the analog input signal is connected to AI16 AI31 equipments in industrial sites share the AGND with USB2832 board 1 en analog signal ee A device AI16 e All device AI17 AIIS AT31 device dozens of KQ to hundreds of KQ AGND Figure 4 2 double ended input connection BUY ONLINE at art control com englishs or CALL 86 10 51289836 CN 10 USB2832 Data Acquisition 4 2 Other Connections DIO switch signal e 2 DII df i x LJ DI LI d DI7 481 switch device DGND A switch device Figure 4 3 digital signal input connection M A Figure 4 5 Timer Counter GATE ea CLK D i OUT DGND Ti connection POO switch signal DOI DO2 4 Ta switch device switch d vice DGND J Figure 4 4 digital signal output connection USB2832 Data Acquisition Chapter 5 Methods of Using Timer Counter 5 1 The working mode MODE 0 Inter
19. ve 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 Presentation System the program is a standard testing procedure Based on the specification of Pin definition connect the signal acquisition 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 gt 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
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