Multifunction DAQ Board AD25PCI
Contents
1. J2 jumper Fig 1 The J2 J3 and J4 jumpers and I O connectors locations MULTIFUNCTION DAQ BOARD AD25PCI Analog Inputs Settings The AD25PCI differential analog inputs are configurable for bipolar or unipolar input ranges Unipolar input means that the input voltage range is between 0 and V where V 1s a positive reference voltage Bipolar input means that the input voltage range is between V 2 and V 2 Following table shows the configuration of the J2 jumper settings Configuration J2 Jumper Settings Bipolar 5 V factory setting J2 OPEN Unipolar 0 to 10 V J2 CLOSE Analog Inputs The analog inputs have software programmable gains of 1 to 128 allowing analog input ranges from 39 mV to 5 V in bipolar mode respectively from 78 mV to 10 V in unipolar mode Amplified voltages are multiplexed into an analog to digital converter operating on the principle of modified sigma delta modulation of charge balancing The table shows actual unipolar and bipolar input ranges Gain Unipolar Input Range Bipolar Input Range 1 Oto 10 V 5 0 V 2 0 to 5 0 V 2 5 V 4 0 to 2 5 V 1 25 V 8 0 to 1 25 V 0 62 V 16 0 to 0 62 V 0 31 V 32 0 to 0 31 V 0 16 V 64 0 to 0 16 V 78 mV 128 0 to 78 mV 39 mV MULTIFUNCTION DAQ BOARD AD25PCI Integration time of analog inputs is software programmable from 5 to 320 ms in four steps with corresponding resolution from 20 to2. call only if use more ranges during measurement range 0 7 select gain 1 2 4 8 16 32 64 or 128 resol 0 3 select integrating time 5 20 80 or 320 ms function GetRange integer stdcall external ad25plib This function return 1 if the card measures in unipolar mode 0 in bipolar mode Mode selects jumper J2 on the board function Adconv resol range chan integer single stdcall external ad25plib Immediately takes one measurement on selected input Parameters resol range the same as in the procedure calibration chan 0 7 number of the measured channel Returned value is measured voltage in volts procedure ProgEn chan resol byte stdcall external ad25plib Sets number of measured channels and resolution in the periodical measurement Parameters chan number of measured channels resol see procedure calibration procedure ProgCh chan range byte stdcall external ad25plib Sets channel and range for every measured input Parameters see function Adconv procedure Timer burst byte time word stdcall external ad25plib Sets total measurement period in periodical measurement Parameters burst always 1 2nd channel is measured immediately after the Ist 3rd channel after 2nd etc time total measurement period in ms max value is 9000 For proper function time must be equal or bigger then the sum of conversion time of all measured channels 20 procedure StartAD stdcall exte
3. channel 6 6 IN Lo 7 IN Hi 12 24 Input channel 7 7 IN Lo AGND AGND 3 4 13 25 Floating ground Fig 2 Pin assignments of the analog 1 0 connector The floating ground AGND must be connected either to a Lo pin or to the PC GND pin recommended to use with Hall probes 13 MULTIFUNCTION DAQ BOARD AD25PCI Digital I O connector Figure shows the pin assignments for the AD25PCI digital I O connector The connector is located on the board and is accessible after removing the cover from your computer Before connecting or disconnecting to the digital I O connector you must turn off and unplug the computer IN 0 IN 2 IN 4 IN 6 OUT 0 OUT 2 OUT 4 OUT 6 DIGGND PC 5V IN 1 IN 3 IN 5 IN 7 OUT 1 OUT 3 OUT 5 OUT 7 DIGGND PC 12v The following specifications apply to the digital I O lines Absolute max voltage input rating 5 0 V with respect to DIGGND Digital input specifications referenced to DIGGND e VIH input logic high voltage 2 V min e VIL input logic low voltage 0 8 V max e IIH input current load logic high input voltage 20 LA max e IIL input current load logic low input voltage 20 LA max Digital output specifications referenced to DIGGND e VOH output logic high voltage 2 4 V min e VOL output logic low voltage 0 5 V max IOH output source current logic high 2 6 mA max IOH output sink current logic low 24 mA max Maximum ratings are absolute ratings Connections th
4. optional with 14 bits output resolution Analog output is connected to pin 14 OUT CURRENT and pin 1 PCGND of the CANNON 25 I O connector It is possible to turn off the current source from application software environment The cut off current in the turn off state is lower than 1 LA 6 MULTIFUNCTION DAQ BOARD AD25PCI Power Connections Pins 2 15V and 15 15V of the I O connector supply voltage from a PC power supply These 15V and 15V voltages are referenced to the floating ground AGND pins 3 4 13 or 25 and are available to power external accessories or circuitry Maximum power rating is 20 mA To enable these voltage outputs close the J3 15V and or J4 15V jumpers Configuration J3 J4 Jumper Settings 15 V disabled J3 O O OPEN factory setting 15 V disabled J4 OPEN factory setting 15 V enabled J3 O O CLOSE 15 V enabled J4 CLOSE 15 V enabled 73 O O CLOSE 15 V disabled J4 OPEN 15 V disabled J3 O ol OPEN 15 V enabled J4 CLOSE Be careful to use the 15 V our and 15V power outputs Shorting or grounding these outputs pin 2 and or pin 15 of the analog I O connector can damage the board or PC motherboard AREPOC is not liable for damages resulting from such a connection Digital Inputs and Outputs The AD25PCI provides 8 digital I O lines TTL HCT compatible A strobe signal is provided for latching the digital input output signals into extern
5. 26 bits Real resolution is limited by noise of the AD converter For low gains 1x 2x and 4x the noise is limited by the AD converter itself and the achievable resolution is approx 17 18 19 20 bits for integration time 5 20 80 320 ms Conversion time of each channel for data processing versus effective analog input resolution is shown in the table Resolution bit 20 22 24 26 Effective resolution bit 17 18 19 20 Integration time ms 5 20 80 320 Conversion time ms 13 28 88 328 For higher gains the resolution is limited by noise of the input amplifier which is approximately 400 nVp p for integration time 320 ms and raises up to approx 700 nVp p for 20 ms integration time Corresponding resolution for gain 128 range 0 78 mV is 17 5 bits for integration time 320 ms Integration principle of conversion and isolation guarantees higher immunity against spurious voltages In order to obtain total conversion time 5 to 25 ms must be added depends on a PC performance for data processing To reach high accuracy and stability the board is equipped with auto calibration function which enables to eliminate board s offset and calibrate the range of the converter by means of a highly stable calibration source of 5 V Current Source The AD25PCI board provides a programmable non isolated unipolar DC current source The output current can be software configured in the range of 0 to 20 mA 0 100 mA
6. For the supporting software installation e g PciDAQ software follow instruction given by the software installation wizard For customers who are writing their own applications we provide function 32 bit ad25plib dll library compatible for Windows 98 NT 2000 XP operating systems The ad25plib dll and Drvx40 dll libraries must be copied to a folder where an application will be located Both DLLs are stored on the Arepoc Technical Products CD ROM supplied with the board in the lt CD gt INF directory The developing environment can be Visual Basic Visual C Delphi C Builder LabVIEW or any Windows programming language that allows calls to a DLL The function reference description of the ad25plib dil is located on the page 19 of this manual 12 MULTIFUNCTION DAQ BOARD AD25PCI Analog I O Connector Figure 2 shows the pin assignments of the AD25PCI analog I O connector The connector is located on the back panel of the board and is accessible at the rear of the computer The analog I O connector is a CANNON 25 pin female connector 1 14 Current output OUT CURRENT 2 15 VDC Source 15Vout 15 15 VDC Source Rs 16 Reserved AGND 0 IN Hi 5 17 Input channel 0 0 IN Lo 1 IN Hi 6 18 Input channel 1 1IN Lo 2 IN Hi 7 19 Input channel 2 2 IN Lo 3 IN Hi 8 20 Input channel 3 3 IN Lo 4 IN Hi 9 21 Input channel 4 4 IN Lo 5 IN Hi 10 22 Input channel 5 5 IN Lo 6 IN Hi 11 23 Input
7. MISUSES OR ERRORS ON THE PART OF THE USER OR APPLICATIONS DESIGNER ADVERSE FACTORS SUCH AS THESE ARE HEREAFTER COLLECTIVELY TERMED SYSTEM FAILURES ANY APPLICATION WHERE A SYSTEM FAILURE WOULD CREATE A RISK OF HARM TO PROPERTY OR PERSONS INCLUDING THE RISK OF BODILY INJURY AND DEATH SHOULD NOT BE RELIANT SOLELY UPON ONE FORM OF ELECTRONIC SYSTEM DUE TO THE RISK OF SYSTEM FAILURE TO AVOID DAMAGE INJURY OR DEATH THE USER OR APPLICATION DESIGNER MUST TAKE REASONABLY PRUDENT STEPS TO PROTECT AGAINST SYSTEM FAILURES INCLUDING BUT NOT LIMITED TO BACK UP OR SHUT DOWN MECHANISMS BECAUSE EACH END USER SYSTEM IS CUSTOMIZED AND DIFFERS FROM AREPOC TESTING PLATFORMS AND BECAUSE A USER OR APPLICATION DESIGNER MAY USE AREPOC PRODUCTS IN COMBINATION WITH OTHER PRODUCTS IN A MANNER NOT EVALUATED OR CONTEMPLATED BY AREPOC THE USER OR APPLICATION DESIGNER IS ULTIMATELY RESPONSIBLE FOR VERIFYING AND VALIDATING THE SUITABILITY OF AREPOC PRODUCTS WHENEVER AREPOC PRODUCTS ARE INCORPORATED IN A SYSTEM OR APPLICATION INCLUDING WITHOUT LIMITATION THE APPROPRIATE DESIGN PROCESS AND SAFETY LEVEL OF SUCH SYSTEM OR APPLICATION 18 MULTIFUNCTION DAQ BOARD AD25PCI The AD25PCI comes with functions in Dynamic Link Library DLL ad25plib dll which can be called from VC Delphi Visual Basic or LabVIEW The AD25PCI supports two modes of operation single conversion or periodical measurement In single conversion mode the AD25PCI takes one sample immediat
8. Multifunction Data Acquisition PC Board AD25PCl XII 2007 Arepoc s r o Multifunction DAQ Board AD25PCI AREPOC s r o Company would like to thank you for purchasing the Multifunction Data Acquisition PC Board AD25PCI We believe it will meet your expectations In case you need any assistance please do not hesitate to contact us Address AREPOC s r o ILJUSINOVA 4 851 01 BRATISLAVA SLOVAKIA Phone Fax 421 2 6382 4613 E mail arepoc zmail sk Product No MULTIFUNCTION DAQ BOARD AD25PCI The AD25PCI Analog and Digital I O Board is specially designed for applications that need a programmable DC current source and precise differential analog inputs The board in combination with PciDAQ software and AREPOC Hall probes is also ideal suited for high resolution magnetic field measurements Following are the system requirements for installing the card and accompanying Windows software e Pentium class computer with a free PCI 5V 32 bit slot e Windows 98 NT 2000 XP operating system Unpacking The data acquisition board package includes the following e Multifunction AD25PCI Board e Technical Products CD ROM with drivers and manuals e Printed version of the AD25PCI manual e CANNON 25 pin male connector with 10 Ohm resistor connected to the current source pins 14 1 and input Channel 0 pins 5 17 Electrostatic discharge can damage several components on the board To avoid such damage in handling the bo
9. ail arepoc zmail sk http www arepoc sk
10. al circuitry Digital I O lines are programmable using DigIn and DigOut functions of the Ad25plib dll library Voltages 5V DC and 12V DC are referenced to DIGGND pins of the digital connector and are available to power external accessories Be careful to use 5V and 12V power outputs These voltage circuits are NOT ISOLATED from the PC and are connected directly to the PCI bus Shorting or grounding pin 19 and or pin 20 of the digital I O connector can damage the board or PC motherboard AREPOC is not liable for damages resulting from such a connection MULTIFUNCTION DAQ BOARD AD25PCI Hardware Installation After you have correctly set and verified the J2 J4 jumpers you are ready to install the board into your computer The AD25PCI multifunction board can be installed in any available PCI SV 32 bit expansion slot in the computer To achieve the best noise performance it is recommended to leave as much room as possible between the AD25PCI device and other devices installed in your PC The following are general installation instructions Consult your PC user manual or technical reference manual for specific instructions and warnings 1 Turn off your computer and all peripheral devices Unplug the power cord from the wall outlet 2 Remove the cover from your computer 3 Find a free PCI 5V expansion slot in your system 4 Remove the metal plate from the slot you have chosen and put the screw aside Ground yourself and dischar
11. ard take the following precautions e Ground yourself by a grounding strap or by holding a grounded object e Touch the antistatic package to a metal part of your computer chassis before removing the board from the package e Remove the board from the package and inspect the board for loose components or any other sign of damage Notify AREPOC if the board appears damaged in any way Do not install a damaged board into your computer e Never touch the exposed pins of connectors and PCI bus Place the board in front of you as you go through the next chapter This will help you to identify the components on the board 3 MULTIFUNCTION DAQ BOARD AD25PCI Functional Description The conception of this high performance PCI bus analog and digital VO board differs from other data acquisition boards and approaches rather higher accuracy multimeters Major component of this multifunction plug in board consists of a single chip microcomputer which controls all functions of the board The board consists of an isolated high resolution integrating AD converter with 8 differential inputs programmable non isolated current source and digital inputs outputs Board configuration The AD25PCI board contains 3 jumpers to configure I O settings Jumper J2 is for unipolar or bipolar analog inputs selection Jumpers J3 JA are for 15V and 15V output voltage selection CANNON 25 O connector Digital O connector J3 J4 jumpers EXC
12. at exceed any of the max ratings of input or output signals on the AD25PCI can damage the DAQ board and or the PC AT Arepoc is NOT liable for any damages resulting from incorrect signal connections 14 MULTIFUNCTION DAQ BOARD AD25PCI Cabling and Wiring Consideration Environmental noise can affect the accuracy of measurements made with the AD25PCI if you do not make proper considerations when running signal wires between signal sources and the AD25PCI board The following recommendations mainly apply to analog input signal routing to the bard although they are applicable for signal routing in general Use individually shielded twisted pair wires to connect analog input signals to the AD25PCI With this type of wire the signals attached to the Channel 0 7 inputs are twisted together and then covered with a shield This shield is then connected at only one point to the signal source ground This kind of connection is required for signals traveling through areas with large magnetic fields or high electromagnetic interference To protect the signal lines from magnetic fields caused by electric motors welding equipment breakers or transformers run the signal lines through special metal conduits In making your own cabling you may decide to shield your cables The mating connector for the AD25PCI analog I O is a CANNON 25 position female connector Basically the Lo input has to be connected to AGND when you are measuring a floating s
13. ely after calling function Adconv which returns measured value An advantage of this mode is a simple programming Disadvantage triggering is derived from the PC so timing accuracy can be lower In periodical mode measurement sequence is programmed first using procedures ProgCh ProgEn Timer etc Advantage of this mode is that triggering is controlled by internal clock of the AD25PCI and therefore the triggering is more accurate PC must only read out results before start of the next conversion Disadvantage during periodical measurement the auto calibration is inaccessible therefore this mode is suitable for short time measurement up to few minutes only Description of the AD25PLIB DLL library Dynamic Link Library ad25plib dll offers the following procedures and functions function initAD integer stdcall external ad25plib Initializes the AD25PCI After successful initialization function returns 1 otherwise returns 0 This function must be called first before any other function procedure calibration type range resol integer stdcall external ad25plib This procedure accomplishes auto calibration of the AD25PCI Every used range with common resolution must be calibrated before measurement Auto calibration removes drift of the card so it is recommended to call this routine during measurement in interval tens of seconds 19 Parameters Type 0 calibrate only selected range it is faster 1 calibrate all ranges
14. ge any static electricity 6 Insert the AD25PCI board into the PCI slot It may be a tight fit but do not force the board into place 7 Secure the board to the slot with the screw you removed from the metal plate 8 Check the installation 9 Replace the cover of your computer m The AD25PCI multifunction board is installed You are now ready to install and configure your software Changing the Board Settings Before changing the hardware settings of your board J2 J3 and J4 Jumper settings you must to turn off and unplug the computer MULTIFUNCTION DAQ BOARD AD25PCI Driver Installation The AD25PCI board is a Plug amp Play component The board requests an IRQ number via its PCI controller The system BIOS responds with an interrupt assignment based on the card information and on known system parameters Because configuration is controlled by the system and software there is no jumper setting required for the base address DMA and interrupt IRQ These system parameters are determined by the driver which must be installed in your system The board is supplied with a CD ROM containing the driver and software package for Windows NT 4 0 and Windows 98 2000 XP A user with Administrator privileges must install this driver Please consult your system administrator or Microsoft operating system User s Manual for more information on Administrator privileges The recommended installation steps are given below 1 After ins
15. he file AD25PCI vi stored on the Arepoc Technical Products CD ROM supplied with the board Before the first run it is necessary to set proper path to the ad25plib dll After loading the AD25PCL vi switch to the diagram double click on every function and set proper name and path to the library B Call Library Function x Library Name or Path SET ES Browse Function Name adconv Run in UI Caling Conventions stdcall WINAPT Parameter return type Cl Type Numeric Add a Parameter Before pata Type DOUTE zd Add a Parameter After Delete this Parameter Function Prototype float Adcony long resol long range long chan Cancel Note that Driverx sys must be installed in your System32 Drivers directory and the Drvx40 dll must be installed in your application or in the Lab VIEW directory 23 Information furnished is believed to be accurate and reliable However AREPOC s r o assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use Product and company names are trademarks or trade names of their respective companies Specifications mentioned in this publication are subject to change without notice This publication supersedes and replaces all information previously supplied AREPOC s r o Ijusinova 4 851 01 Bratislava SLOVAKIA FAX 421 2 6382 4613 E m
16. ignal To measure voltages from several RTDs which are biased from the board s current source you have to connect the AGND to the PC GND pins see Fig 3 14 OUT Current 5 OINHi 17 0 IN Lo AT AD25PCI 18 1 IN Lo 1 PC GND 13 AGND Fig 3 Connecting to RTDs configuration 15 MULTIFUNCTION DAQ BOARD AD25PCI If you are measuring voltages from RTDs which are biased from an external current source you have to connect the AGND to the GND of this current source on one side only 14 OUT Current 5 0 INHi 17 0 IN Lo 6 DIN AD25PCI 18 1 IN Lo 1 PC GND 13 AGND Fig 4 Connecting to Hall probes configuration Figure 4 shows how to connect two Hall probes to the AD25PCI board It is possible to connect max 8 Hall probes to the board 5 0INH 17 0 IN Lo 3 AGND AD25PCI 6 1 INHi 18 1 INLo 4 AGND 1 PC GND Fig 5 Connecting to floating voltage configuration Figure 5 shows how to connect DC and or AC floating signal sources to the AD25PCI board The input voltage from the Lo input or Hi input should not exceed the maximum input voltage based on the board analog ground If it exceeds the maximum voltage the board may be damaged 16 MULTIFUNCTION DAQ BOARD AD25PCI High resolution of the AD25PCI board results from the application of auto calib
17. initAD 0 then begin MessageBox 0 Unable to Exit end unip GetRange resol 2 Calibration 0 0 resol u ADConv resol 0 1 Periodical measurement example if initAD 0 then begin MessageBox 0 Unable to Exit end unip GetRange resol 2 Calibration 1 0 resol ProgEn 3 resol ProgCh 0 0 ProgCh 1 2 ProgCh 2 1 Timer 1 1000 StartAD for i l to 5 do begin repeat until Adfinished 1 ux 0 i GetSample 0 ux 1 i GetSample 2 ux 2 i GetSample 1 end StopAD Setting current example DAC 2000 card initialization connect to AD25PCI Error MB_OK read unip bip range unip l unipolar Tint 80 ms resolution cca 19 bits Calibration only range 5V channel 1 range 5V card initialization connect to AD25PCI Error MB OK read unip bip range unip 1 unipolar Tint 80 ms resolution cca 19 bits Calibration all ranges Measure 3 channels Input 0 range 5V Input 1 range 1 25V Input 2 range 2 5V Burst mode period 1000 ms wait for end of the conversion read input 0 range 0 Input 1 range 2 Input 2 range 1 current 10 mA for AD25PCI board with the 20 mA current source 22 Using the Lab VIEWTM Procedures and functions of the ad25plib dll can be called also from the LabVIEW in Windows operating system The calling convention is stdcall a simple example application can be found in t
18. it is not a simple oversight is to consult the BIOS documentation that comes with your system When done with the driver installation the device manager can be open to make sure the installation was a success If your card has been properly installed you should see the device name of your AD25PCI board listed on the Device Manager tab on the System Property page Sporadic some computers with Windows XP operating system require to have installed the DRVXWDM SYS or DRIVERX SYS DRIVERX VXD file in lt Windows gt System32 drivers directory If the AD25PCI board does not operate correctly after rebooting PC copy the required file s from INF directory located on the installation CD to the lt Windows gt System32 drivers directory 11 MULTIFUNCTION DAQ BOARD AD25PCI ma a Device Manager on local computer 8 Computer Kaj Disk drives fa Display adapters H 4 DYD CD ROM drives HS Floppy disk controllers HK Floppy disk drives H B Human Interface Devices HE IDE ATA ATAPI controllers cH Sa Keyboards H Mice and other pointing devices H Modems E Monitors B Nobuo fb Other devices je AD25PCI DAQ Board a ME Ho tee Ft Processors m Sound video and game controllers H tyf System devices H Universal Serial Bus controllers Now the first part of your installation has been completed and ready to install supporting software for the board or write your own application
19. osoft Windows Update lt Back Cancel 3 Wait for a moment while the operating system searches for the most suitable driver to install and you will finally see the following window Found New Hardware Wizard Driver Files Search Results Ge The wizard has finished searching for driver files for pour hardware device cy The wizard found driver for the following device ae Other devices Windows found a driver for this device To install the driver Windows found click Next Z d INF Ad25pci inf The Ad25pci inf file is stored in lt CD gt INF directory 10 MULTIFUNCTION DAG BOARD AD25PCI 4 Click Next button and the operating system will begin to install the driver Follow instructions that appear on your screen If the Digital Signature Not Found box or Has Not Passed Windows Logo Testing box appears click Yes or Continue anyway Found New Hardware Wizard Completing the Found New Hardware Wizard AD25PCI DAO Board Windows has finished installing the software for this device To close this wizard click Finish 5 After completion click Finish button to finish the installation procedure If the Restart dialog appears then click Yes to reboot If your system doesn t boot or if you experience erratic operation with your PCI board it s likely caused by an interrupt conflict perhaps the BIOS Setup is incorrectly configured In general the solution once you determine
20. period of one year from the date of shipment as evidenced by receipts or other documentation Arepoc will at its option repair or replace equipment that proves to be defective during the warranty period This warranty includes parts and labor A Return Material Authorization number must be obtained from the factory and clearly marked on the outside of the package before the board will be accepted for warranty work Arepoc believes that the information in this document is accurate In the event that technical or typographical errors exist we reserve the right to make changes to subsequent editions of this document without prior notice to holders of this edition In no event shall Arepoc be liable for any damages arising out of or related to this document or the information contained in it EXCEPT AS SPECIFIED HEREIN AREPOC MAKES NO WARRANTIES EXPRESS OR IMPLIED AND SPECIFICALLY DISCLAIMS ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE CUSTOMER S RIGHT TO RECOVER DAMAGES CAUSED BY FAULT OR NEGLIGENCE ON THE PART OF AREPOC SHALL BE LIMITED TO THE AMOUNT THERETOFORE PAID BY THE CUSTOMER AREPOC WILL NOT BE LIABLE FOR DAMAGES RESULTING FROM LOSS OF DATA PROFITS USE OF PRODUCTS OR INCIDENTAL OR CONSEQUENTIAL DAMAGES EVEN IF ADVISED OF THE POSSIBILITY THEREOF This limitation of the liability of Arepoc will apply regardless of the form of action whether in contract or tort including negligence Any action against Arepoc must be b
21. ration method The analog I O board AD25PCI can be used in applications where high accuracy linearity and resolution are required It can serve as a relatively low cost substitution of 6 decade system multimeter Technical Parameters Analog Inputs Input resolution programmable 20 to 26 bits Nonlinearity if gain 1 Differential nonlinearity Max error Number of analog inputs Input range Programmable gain Input resistance Input bias current Input overvoltage Typical noise Current Source Output current range Output current resolution Output current ripple Cut off current Max output voltage Power Connections Floating output voltage Max power load Digital Inputs and Outputs 8 digital I O Recommended warm up time Relative humidity 17 typ 0 0005 of full scale max 0 0008 max 1 LSB 0 005 of reading 0 01 of FS 8 differential 0 10 V unipolar or 5 V bipolar jumper selectable 1 128 software selectable gt 100 MQ typical 10 nA max 50 nA 20V continues powered 10V continues unpowered lt 2 ppm of FS or lt 0 5 uVp p 0 20 mA 0 100 mA optional DC 14 bits lt 0 0005 of FS or lt 0 5 LA lt 1 HA 7 8 V 15 V 15 V jumper selectable 20 mA TTL HCT compatible gt 15 min 10 to 90 noncondensing MULTIFUNCTION DAQ BOARD AD25PCI Warranty The AD25PCI multifunction board is warranted against defects in materials and workmanship for a
22. rnal ad25plib Starts measurement in periodical mode function GetSample range byte single stdcall external ad25plib Read one sample in periodical mode Parameters range see procedure calibration function ADfinished integer stdcall external ad25plib Returns 1 if measurement in periodical mode is finished otherwise returns 0 procedure StopAD stdcall external ad25plib Stops measurement in periodical mode procedure DAC value word stdcall external ad25plib Sets value of the current from the current source Parameters value 0 4000 corresponds to current 0 20 mA i e 1 LSB is 0 005 mA optional to current 0 100 mA i e 1 LSB is 0 025 mA procedure DigOut value byte stdcall external ad25plib Writes value on a digital output function Digln byte stdcall external ad25plib Reads value from a digital input procedure closeAD stdcall external ad25plib Unload the driver from memory function GetCurrentRange integer stdcall external ad25plib Returns max current value of the current source 20 or 100 mA function GetDACresolution integer stdcall external ad25plib Returns resolution of the DAC current source converter 14 bits function GetSerialN integer stdcall external ad25plib Returns serial number of the DAO board 21 Programming Example Here is a simple common example in Delphi which can be adapted to any programming language Single conversion example if
23. rought within one year after the cause of action accrues Arepoc shall not be liable for any delay in performance due to causes beyond its reasonable control The warranty provided herein does not cover damages defects malfunctions or service failures caused by owner s failure to follow the Arepoc installation operation or maintenance instructions owner s modification of the product owner s abuse misuse or negligent acts and power failure or surges fire flood accident actions of third parties or other events outside reasonable control Warning Regarding Use of Arepoc Products AREPOC PRODUCTS ARE NOT DESIGNED WITH COMPONENTS AND TESTING FOR A LEVEL OF RELIABILITY SUITABLE FOR USE IN OR IN CONNECTION WITH SURGICAL IMPLANTS OR AS CRITICAL COMPONENTS IN ANY LIFE SUPPORT SYSTEMS WHOSE FAILURE TO PERFORM CAN REASONABLY BE EXPECTED TO CAUSE SIGNIFICANT INJURY TO A HUMAN IN ANY APPLICATION INCLUDING THE ABOVE RELIABILITY OF OPERATION OF THE SOFTWARE PRODUCTS CAN BE IMPAIRED BY ADVERSE FACTORS INCLUDING BUT NOT LIMITED TO FLUCTUATIONS IN ELECTRICAL POWER SUPPLY COMPUTER HARDWARE MALFUNCTIONS COMPUTER OPERATING SYSTEM SOFTWARE FITNESS FITNESS OF COMPILERS AND DEVELOPMENT SOFTWARE USED TO DEVELOP AN APPLICATION INSTALLATION ERRORS SOFTWARE AND HARDWARE COMPATIBILITY PROBLEMS MALFUNCTIONS OR FAILURES OF ELECTRONIC MONITORING OR CONTROL DEVICES TRANSIENT FAILURES OF ELECTRONIC SYSTEMS HARDWARE AND OR SOFTWARE UNANTICIPATED USES OR
24. talling your AD25PCI DAQ card start up Windows The Found New Hardware Wizard appears Check Search for a suitable driver for my device and then click on Next button Found New Hardware Wizard Install Hardware Device Drivers Lx A device driver is a software program that enables a hardware device to work with Cy an operating system This wizard will complete the installation for this device oy Other devices A device driver is a software program that makes a hardware device work Windows needs driver files for your new device To locate driver files and complete the installation click Next What do you want the wizard to do Display a list of the known drivers for this device so that can choose specific driver lt Back Cancel 2 Check the CD ROM drives option and insert the CD into the CD ROM drive Then click the Next button Found New Hardware Wizard Locate Driver Files 25 Where do you want Windows to search for driver files S Search for driver files for the following hardware device oh Other devices The wizard searches for suitable drivers in its driver database on your computer and in any of the following optional search locations that you specify To start the search click Next If you are searching on a floppy disk or CD ROM drive insert the Hoppy disk or CD before clicking Next Optional search locations I Floppy disk drives F EDAM dives Specify a location D Micr
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