USB2810 User`s Manual
Contents
1. 19 Chapter 6 Notes Calibration and Warranty 2 SN Meis NERO C 21 62 AD Analog Signal Input Calibration a at 21 Walt iv I o APR ROREM 21 Products Rapid Installation and 23 Rapid last DESERT T NNI 23 jo l a 25 23 USB2810 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 USB2810 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 USB2810 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 for inspection by the dealer Check for the following items in2. products come with a limited two vear warrantv 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 64862359 64861583 CN 21 USB2810 Data Acquisition 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 1 e high temperatures high humidity or volatile chemicals VV 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 contro
3. 10V in the manual we introduce how to calibrate USB2810 in 10 calibrations of other input ranges are similar Prepare a digital voltage instrument which the resolution is more than 5 5 bit install the USB2810 module and then power on warm up for fifteen minutes 1 Zero adjustment select one channel of analog inputs take the channel AIOfor example connect 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 15 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 9995 12mV to AIO and then run ART Data Acquisition Measurement Suite in the WINDOWS Choose channel 0 10V input range and start sampling adjust potentiometer RP3 in order to make voltage value is 9995 12mV or about 9995 12mvV Full scale adjustment of other channels is alike 3 Repeat steps above until meet the requirement 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
4. OUT will go low for one CLK pulse and then go high again The counting sequence is triggered by writing the initial count GATE 1 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 first byte has no effect on counting 2 Writing the second byte allows the new count to be loaded on the next CLK pulse This allows the sequence to be retriggered by software OUT strobe low N 1 CLK pulses after the new count of N is written USB2810 Data Acquisition CWz16 158 4 16 15825 16 LSA 4 GATE Figure 5 4 Mode 3 Note A GATE transition should not occur one clock prior to terminal count BUY ONLINE at art control com englishs or CALL 64862359 64861583 CN 16 USB2810 Data Acquisition CW 18 LSB 3 0 0 0 2 1 FD CW 18 LSB 3 a nnnnnnnnnni or JULI MBHHHEHBHHEHITE CW 18 LSB 2 3 LSB 2 WA GATE OUT 0 0 0 0 sl KA DS Fig
5. control com englishs or CALL 64862359 64861583 CN 12 USB2810 Data Acquisition CWsl LSB 3 CLA GATE OUT tis o o FF o Pete tml 1 CWz12 158 3 CW i LSBz2 LSB 4 GATE OUT FF 0 Figure 5 2 Mode 1 2 Rate Generator This Mode functions like divide bv N counter It is tvpicallv used to generate 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 15 repeated indefinitely For an initial count of N the sequence repeats every N CLK cycles GATE 1 enables counting GATE 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 BUY ONLINE at art control com englishs or CALL 64862359 64861583 CN 13 USB
6. data 1s being input output the indicator state changes LED3 3V 3 3V power supply indicator on for normal LED5 0V 5 0V power supply indicator on for normal USB2810 Data Acquisition Chapter 3 Signal Connectors 3 1 The Definition of Signal Input and Output Connectors 37 core plug on the CNI pin definition 11 f 3 LA AI3 16 18 12 AIS 35 7 ali ATO 33 15 ple sis mr il g 12 114 115 30 117 29 7 ott AIL6 119 ag o 10 118 9 120 121 E TT 123 26 0 NE io oF Abt AI27 24 T AI29 21 EI C F 3 131 i 0 ACGND i AGND 20 o AGND Pin definition about AD 1 Analog input reference ground is AGND AGND Analog ground This AGND pin should be connected to the svstem s AGND plane __ Not connected Pin definition about Digital Input Output USB2810 Data Acquisition 5V 5V DIO 3 Dil DI2 3 DI3 DI4 7 DI5 DI6 9 DI7 DGND 11 DGND DOO 13 DOI DO2 15 DO3 DO4 17 DOS DO6 19 DO7 DGND 21 DGND OUTO 23 GATEO CLKO 25 OUTI GATE1 27 CLKI OUT2 29 GATE2 CLK2 3l DGND CLK2M 33 DGND DIO DI7 Digital signal input DO0 DO7 Digital signal output Output SV voltage CLK2M Output on board 2MHz clock oscillator pulse output Output cycle 0 5 microseconds provides the clock source signal for CLKO CLK2 CLKO CLK2 Clock pulse input pins for 3 channels of 8254 counters 2 Gate in
7. 2810 Data Acquisition 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 LSB 3 14 58 3 CW 14 LSB 4 LSB 5 WR GATE or 0 41 Figure 5 3 2 Note A GATE transition should not occur one clock prior to terminal count 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 OUT will initially be high When half the initial count has expired OUT goes low for mainder of the count Mode 3 15 periodic the sequence above 15 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 BUY ONLINE at art control com englishs or CALL 64862359 64861583 CN 14 USB2810 Data Acquisition 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 cou
8. USB2810 User s Manual Beijing ART Technologv Development Co Ltd USB2810 Data Acquisition Contents S r X 2 CHOICE L OVON 3 Chapter 2 Components Layout Diagram and a Brief 5 2 1 The Main Component Layout D1agram 5 2 2 The Function Description for the Main Component s seen 3 2 2 1 Signal Input and Output Connectors 5 2 2 2 E eT 5 betes ate B 6 Chapter aen ana i a Fra RE DERE GE EE DN SA a ones 7 3 1 The Definition of Signal Input and Output 5 7 Chapter 4 Connection Ways for Each Signal a sr Sa dia sta kd e kd da tant 9 4 1 Analog Input Single ended 9 4 2 Analog Input Differential ended Mode 9 4 2 Digital Tup t Output Connections 10 Chapter 5 Methods of using Timer Counter 8254 11 Il LIE ra MN a TT 11 5 2 Measure the frequency of an unknown frequency signal 01
9. a Brief Description 2 1 The Main Component Layout Diagram RPI RP3 3 D6 5w g PI Sz ETT Fi ITIITI a l E L L EA E ETE i 1 i aj IL a LED ye ea _ F b oe l us icd ji ET 2 2 The Function Description for the Main Component 2 2 1 Signal Input and Output Connectors CNI Analog input and output connector P1 Digital l input and output connector DC 5V External 5V power supply input 2 2 2 Potentiometer RPI Bipolar analog signal input zero point adjustment potentiometer RP2 Unipolar analog signal input zero point adjustment potentiometer RP3 Analog signal input full scale adjustment potentiometer 2 2 3 Jumper DID Physical ID setting short circuit for 1 other for 0 USB2810 Data Acquisition IDO IDI ID2 103 IDO 0 ID1 0 ID2 0 ID3 0 physical ID is 0 binary number 0000 IDO IDI ID2 ID3 IDO 1 ID1 0 ID2 0 1D3 0 phvsical ID is 1 binary number 0001 IDO IDI ID2 ID3 100 101 0 02 1 03 0 physical ID is 1 binary number 0101 And so on 2 2 4 Status indicator AD LED AD working status indicator on for normal condition CNT LED Counter working status indicator when the data 15 being read the indicator state changes DIO LED DIO input output status indicator when
10. d on the next CLK pulse This CLK pulse does not decrement the count so for an initial count of OUT does not go high until 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 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 duratio
11. e 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 64862359 64861583 CN 23
12. flow or not In addition the user can read DIO in order to judge whether the frequency measurement has completed If DIO is high level the frequency 19 USB2810 Data Acquisition measurement has completed read the value of counter 1 At the same time it 1s necessary to check the state of DII If the state of DII is low level the measured frequency 15 valid If the state of is high level the measured frequency is invalid and re measurement is needed If DOO has another rising edge new measure can be re started BUY ONLINE at art control com englishs or CALL 64862359 64861583 CN 20 USB2810 Data Acquisition Chapter 6 Notes Calibration and Warranty Policy 6 1 Notes In our products packing user can find a user manual a USB2810 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 USB2810 in order to prevent the IC chip from electrostatic harm please do not touch IC chip in the front panel of USB2810 module 6 2 AD 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 USB2810 default input range
13. g Enables Counting 1 Initiates Counting Mode 1 2 Resets Output after Next Clock 1 Disables Counting Mode2 2 Sets Output Immediately Initiates Counting Enables Counting High 2 Disables Counting Mode3 3 Sets Output Immediately Initiates Counting Enables Counting High Disables Counting Enables Counting Initiates Counting Figure 5 7 Gate Pin Operations Summary Note each timer counter of 8254 can not set the initial value to 1 in all operating modes for the timer counter will stop counting and output 5 2 Measure the frequency of an unknown frequency signal source Input frequency signal Clock Reference Input Counter 0 Counter 1 CLKO DII Control Counter 1 NOUTO through NOUTO DOO output rising edge to start timing Note Counter 0 is timing channel Mode 1 counter 1 15 counting channel Mode 0 record the number of measured signal pulse GATEO is controlled by DOO Counter is given an initial value which 15 corresponding to the time in advance Counter is given the maximum count initial value FFFFH When DOO has a rising edge counter 0 start to timing count its OUTO becomes low level NOUTO becomes high level So GATE1 is high level counter 1 start to count to record the number of measured signal pulse If counter counting to zero within counter 1 time OUT1 turns to high level Users can read the state of DII to judge whether counter 1 15 over
14. l com englishs or CALL 64862359 64861583 CN 22 USB2810 Data Acquisition Products Rapid Installation and Self check Rapid Installation Product driven procedure 15 the operating svstem adaptive installation mode After inserting the disc vou 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 7 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 1s normal or not Delet
15. n 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 15 loaded with the new count and the one shot pulse continues until the new count expires USB2810 Data Acquisition CW z 10 158 4 ml GATE 2 10 L5B 3 OUT CW 10 58 84 5 2 0 o Figure 5 1 Mode 0 NOTE The following conventions apply to all mode timing diagrams 1 Counters are programmed for binary not BCD counting and for reading writing least significant byte LSB only 2 The counter is always selected CS always low HIR RIE BE 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 BUY ONLINE at art
16. nt 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 15 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 number 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 15 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 15 repeated indefinitely So for odd counts OUT will be high for N 1 2 counts and low for N 1 2 counts MODE 4 Software triggered strobe OUT will be initially high When the initial count expires
17. put pins for 3 channels of 8254 counters 2 Output pins of 3 channels of 8254 counters DGND GND Digital signals ground when use counter timer we best choose it as reference ground USB2810 Data Acquisition Chapter 4 Connection Wavs for Each Signal 4 1 Analog Input Single ended Connection Single ended mode can achieve a signal input bv 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 4 AD analog signal AI2 ae e Yon device A U device ae G dev device AGND TOS 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 USB2810 software manual According to the diagram below USB2810 board can be connected as analog voltage double ended input mode which can effectively suppress common mode interference signal to improve the accuracy of acquisition Positive side of the 16 channel analog input signal is connected to 0 5 the negative side of the analog input signal is connected to AI16 AI31 equipments in industrial
18. sites share the AGND with USB2810 board 0 analog signal dii A device Me device 7 5 ABI 2 device dozens of KO to hundreds of KQ AGND 96 Figure 4 2 double ended input connection BUY ONLINE at art control com englishs or CALL 64862359 64861583 CN 9 USB2810 Data Acquisition 4 2 Digital Input Output Connections switch signal DIO switch signal Do DII DO2 l4 DR d v switch device Aa o switch device switch AN DGND DGND _ Figure 4 4 digital signal input connection Figure 4 5 digital signal output connection BUY ONLINE at art control com englishs or CALL 64862359 64861583 CN 10 USB2810 Data Acquisition Chapter 5 Methods of using Timer Counter 8254 5 1 The working mode MODE 0 Interrupt 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 loade
19. the package If there are any missing items contact your local dealer or sales gt USB2810 Data Acquisition Board gt ART Disk user s manual pdf b drive c catalog gt Warranty Card FEATURES AD analog input Input Range 410V 5V 0 10V 12 bit resolution sampling Rate maximum 100K Hz Analog Input Mode 32SE 16DI Data Read Mode software inquire mode Analog input resistance gt 1GQ Amplifier Type INA128 Non linear error 1 LSB Maximum System Measurement Accuracy 0 1 Operating Temperature Range 0 C 55 C Storage Temperature Range 20 70 Operational relations between amplifier gain G and resistance R44 G 1 50KQ R44 VV VV VV VV VV V WV USB2810 Data Acquisition DI digital input VV VV N WV Latch 74LS245 Channel No 8 channel Electric Standard TTL compatible Maximum absorption current 0 5mA High Voltage 2 0V Low Voltage 0 8V DO digital output VV VV VV V Drive 74LS573 Channel No 8 channel Electrical Standard TTL compatible Maximum pull down current 20mA Maximum pull up current 2 6mA High Voltage 3 4V Low Voltage 0 5V Counter VV VV ON WV Derive M82C54 Channel No 3 channel Electrical Standard TTL compatible Operate Type 4 operate type software configurable Counting Mode 6 counting mode software configurable Counting Type binary counting and BCD code counting 4 USB2810 Data Acquisition Chapter 2 Components Layout Diagram and
20. ure 5 5 Mode 4 MODE 5 Hardware triggered strobe OUT will initially be high Counting 15 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 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 current count expires the Counter will be loaded with the new count on the next CLK pulse and counting will continue from there BUY ONLINE at art control com englishs or CALL 64862359 64861583 CN 17 USB2810 Data Acquisition CW 1A LSB 3 WR CLK GATE OUT 1 L5B 3 CLK GATE OUT CWmlA LSB LSB 6 CLK GATE OUT 0 i 2 rel 5 4 Figure 5 6 Mode 5 BUY ONLINE at art control com englishs or CALL 64862359 64861583 CN 18 USB2810 Data Acquisition Mode 0 Disables Countin
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