Manual - TopsCCC
Contents
1. The maximum A D signal range of EX 92026 is a 10 volt when the A D gain value is 0 The A D gain control register controls the maximum signal input range The signal gain is programmable with 4 levels 1 2 4 8 The signal range of the 16 channels will be identical all the time even if the channel number is scanning The available signal polarity on EX 92026 is bi polar and uni polar configuration The following table shows you the maximum input range for each configuration JP1 Polarity Maximum input range Gain 1 Gain 2 Gain 4 Gain 8 Unipolar OV 10V 0 5V 0 0 25V 0 1 25V Bipolar 5 5V 2 5 2 5V 1 25 4 1 25V 0 625 0 625V Bipolar 10 10V 5 5V 2 5 2 5V 1 25 1 25V Table 6 3 EX92026 User s manual 64 AD Trigger Source Control The A D converter will start to convert the signal to a digital value by a trigger source In EX 92026 two internal sources can be selected the software trigger or the timer pacer trigger Software trigger The trigger source is software controllable in this mode That is the A D conversion is starting when any value is written into the software trigger register Under this mode the timing of the A D conversion is fully controlled by software Timer Pacer Trigger An on board timer counter chip 8254 is used to provide a trigger source for A D conversion at a fixed rate Two counters of the 8254 chip are cascaded together to gene2. 12 EX92026 User s manual EX92026 User s manual This chapter describes how to install the EX 92026 card Please follow the follow Chapter 2 steps to install the EX 92026 card j 21 y Installation What You Have In addition to this User s Manual the package includes the following items EX 92026 board Driver utilities CD This user s manual If any of these items is missing or damaged contact the dealer from whom you purchased the product Save the shipping materials and carton in case you want to ship or store the product in the future 2 2 Unpacking Your EX 92026 card contains sensitive electronic components that can be easily damaged by static electricity The operator should be wearing an anti static wristband grounded at the same point as the anti static mat Inspect the card module carton for obvious damage Shipping and handling may cause damage to your module Be sure there are no shipping and handing damages on the module before processing 23 Hardware Installation Outline PCI configuration The PCI cards are equipped with plug and play PCI controller it can request base addresses and interrupt according to PCI standard The system BIOS will install the system resource based on the PCI cards configuration registers and system parameters which are set by system BIOS Interrupt assignment and memory usage I O port locations of the PCI cards can be assigned by system BIOS only These system resource assig
3. 16 single ended or 8 differential Input Range Programmable Bipolar 10V 5V 2 5V 1 25V 0 625V Unipolar 0 10V 0 5V 0 2 5V 0 1 25V Conversion Time 8 u sec Throughput 110KHz multiplexing maximum Analog Input Over voltage Protection Continuous 35V max Accuracy GAIN 1 0 01 of FSR 1 LSB GAIN 2 4 0 02 of FSR 1 LSB GAIN 8 0 04 of FSR 1 LSB Input Impedance 10 MQ Trigger Modes Software Timer Pacer Data Transfer Modes Program control Interrupt FIFO Depth 1K words Analog Output D A Numbers of Output Channel 2 double buffered analog output Resolution 12 bit Output Range unipolar 0 10V or bipolar 10V 10V Converter DAC2815 or equivalent monolithic multiplying Settling Time 30 u sec Linearity 1 2 bit LSB Output Driving Capability 5mA max EX92026 User s manual Digital 1 O DIO Numbers of channels 8 inputs and 8 outputs TTL compatible Input Voltage Low Min OV Max 0 8V High Min 2 0V Input Load Low 0 5V 0 2mA max High 2 7V 20mA max Output Voltage Low Min OV Max 0 4V High Min 2 4V Driving Capacity Low Max 0 5V at 8 0mA Sink High Min 2 7V at 0 4mA Source Programmable Counter Timer Counter Device 8254 A D pacer timer 32 bit timer two 16 bit counter cascaded together with a 2MHz time base Pacer Frequency Range 0 00046 Hz 100K Hz Counter One 16 bit counte
4. Chapter 7 LiDFaries iciicicacinsininnii a ii 39 7 1 How to use the DOSDAQH LIB in DOS oococonncccnncconocaconccnonnnnnnncnarcananccnnnos 40 7 2 Howto use the PCIDAQH DLL in Windows oooocccinncccocccconccnnnccnnnnananccnnnos 40 T3 Open EX 92026 car nano io ee even Ss ee ae 41 7 4 Get card number Setting oonoconccinnncinnnnnnncconoccnnnnonnncnnnn coran cnnnn na rnncnnnnnano 42 7 5 Get Version of PCIDAQ DLL or DOSDAQ LIB ooooocinnccnnccononccnonccnanncnanccnnnos 43 7 6 Close EX 92026 card before exiting ooooccciinncnnnccinnnicnccccorconacccnnrnananccnnnos 44 7 7 Read data from digital input pOrt oooooccinnnccnnnoncccnnnoncnonanancnononcnonnnon cnn nanonos 45 7 8 Get the PCI bus and slot number of the Cald ooococinnccnncccnonccnonccnonncnnnccnnnos 46 7 9 Write data to digital output POlt ocononccnnnnccccnnoncncnnnonnnnnanononononcncnnnan cnn nnonos 47 7 10 Read back current value of the digital output port 48 7 11 Seta bit of digital output POlt ooooocncccinnccncccnoncnncncnnnnnnonccnnrcnnnccnnrcannnccnnnr 49 7 12 Reset a bit of digital output port ocoonoocccnnnncccnnnoncncnnnoncnnnanncnnnoncnnnnnencnnna nono 50 7 13 Initial software trigger MOE oooooccccnnoncconononcnononcncnnnon cnn nnnn cnn crono nc ran nnnnnnanos 51 7 14 Single A D channel acquire oooconocconncccnoccconccononcnanoncnnncnono conc nnanon cnn cnanc nano 52 7 15 Multiple A D Channels acQuilB ooococonnocccononcccnononcncnononcnnnanononnnonn co
5. 5 AD 5 AD 3 AD 2 AD1 AD_O Base 0C4H Channel no n AD 11 AD 10 AD 9 AD 8 25 EX92026 User s manual 56 Read FIFO status register The EX 92026 A D data is stored in the FIFO after conversion The FIFO status can be read back from this register Address Base ODOH Attribute Read only Bit number 7 6 5 4 3 2 1 0 Base ODCHO X X X X BUSY FF HF EF Address Where FF FIFO full flag HF FIFO half full flag EF FIFO empty BUSY 0 means AD is busy the A D data has not been latched in FIFO yet If changes from 0 to 1 A D data is written into FIFO 5 7 A D control register This register is used to set the A D conversion control modes such as channel number gain trigger and channel scan Address Base 0COH Attribute Write only Value Bit number Address 7 6 5 4 3 2 1 0 Base 0CO0H Trigger mode Scan mode Gain Channel number Where Channel Number set A D input channel number for conversion or auto scan ending channel Gain set gain 0 1 1 2 2 4 3 8 Scan mode 0 No auto scan the channel number will not be auto increased to next channel after current conversion completed 1 Auto scan the channel number will be auto increased to next channel after current onversion completed Trigger mode O triggered by software 1 Triggered by pacer 26 EX92026 User s manual 58 A D con
6. 92026 provides hardware end of conversion EOC interrupt capability Under this mode an interrupt signal is generated when the A D conversion is ended and the data is ready to be read in the FIFO After A D conversion is completed the hardware interrupt will be inserted and its corresponding Interrupt Service Routine will be invoked and executed The service program can read the converted data This method is most suitable for data processing applications under real time and fixed sampling rate 36 EX92026 User s manual FIFO Half Full Interrupt Transfer The FIFO half full interrupt transfer mode is useful when the applications do not need real time processing but the foreground program is too busy to poll the FIFO data Under this mode an interrupt signal is generated when FIFO becomes half full It means there are 512 words data in the FIFO already The service routine can read a block of data every interrupt occurring This method is very convenient to read A D in size of a block 512 words and it is benefit for software programming G6 Interrupt Control 37 System Architecture The EX 92026 s interrupt system is a powerful and flexible system that is suitable for A D data acquisition The system interrupt can generated by three signals EOC Half Full and Timer Pacer EOC HALF_FULL TIMER PACER FLIP FLOP Interrupt MUX Z 2 5 a Q 6 O a Figure 6 6 EX92026 User s manual 6 7 Timer Counte
7. A D channel acquire Description Single A D channel conversion by software trigger The function W_2026_AD_Acquire_Initial or D_2026_AD_Acquire_Initial should be called before calling this function Syntax C C DOS WORD D_2026_SingleChannel_AD_Acquire WORD cardNo WORD ADChannelNo float ADData C C Windows WORD W_2026_SingleChannel_AD_ Acquire WORD cardNo WORD ADChannelNo float ADData Visual BASIC Windows Function W_2026_SingleChannel_AD_Acquire ByVal CardNo As Long ByVal ADChannelNo As Long ByRef ADData As Single As Integer Delphi Function W_2026_SingleChannel_AD Acquire cardNo Word ADChannelNo Word var ADData Single Word Argument cardNo Card number 1 2 3 4 It s set by jumper on card ADChannelNo AD Conversion Channel 0 15 ADData Returned AD conversion voltage value Return Code Error code Please refer to PCIDAQ H or DOSDAQ H 52 EX92026 User s manual 7 15 Multiple A D channels acquire Description Multiple A D channels conversion by software trigger The function W_2026_AD_Acquire_Initial or D_2026_AD_Acquire_Initial should be called before calling this function Syntax C C DOS WORD D_2026_MultiChannel_AD_Acquire WORD cardNo WORD EndChannelNo float AD_Buffer C C Windows WORD W_2026_MultiChannel_AD_Acquire WORD cardNo ORD EndChannelNo float AD_Buffer Visual BASIC Windows Function W_2026_MultiChannel_AD_Acquire ByVal CardNo
8. As Long ByVal EndChannelNo As Long ByRef AD_Buffer As Single As Integer Delphi Function W_2026_MultiChannel_AD _Acquire cardNo Word EndChannelNo Word var AD_Buffer Single Word Argument cardNo Card number 1 2 3 4 It s set by jumper on card EndChannelNo AD Conversion end Channel 0 15 AD_Buffer Returned AD conversion voltage values Return Code Error code Please refer to PCIDAQ H or DOSDAQ H 53 EX92026 User s manual 7 16 Initial interrupt trigger mode Description Initialize range and sampling rate of AD conversion by Interrupt trigger it must be called before W_2026_AD_Int_StartAutoScan W_2026_AD_Int_StartSingleChannel and W_2026_AD_Int_StartMultiChannel functions Syntax C C DOS WORD D_2026_AD_Int_Initial WORD cardNo WORD AD_Range float Pacer_Rate C C Windows WORD W_2026_AD_Int_Initial WORD cardNo WORD AD_Range float Scan_Rate Visual BASIC Windows Function W_2026_AD_Int_Initial ByVal CardNo As Long ByVal AD_Range As Long ByVal Scan_Rate As Single As Integer Delphi Function W_2026_AD_Int_Initial cardNo Word AD_Range Word Scan_Rate Single Word Argument cardNo card number 1 2 3 4 lt s set by jumper on card AD_Range AD conversion range see page 21 AD_Range 0 5V 5V AD_Range 1 2 5V 2 5V AD_Range 2 1 25V 1 25V AD_Range 3 0 625V 0 625V AD_Range 4 OV 10V AD_Range 5 OV 5V AD_Range 6 OV 2 5V AD_Range 7 O
9. Interrupt Control and Read back Register oooooooncccnnnccncccnnccconcnconnnnananonnos 27 5 10 Software Trigger Register cceecceseseeseeeeceneeeeeeeseaeeeeaeeteaeeseaeeseeeeeaeetias 28 5 11 Hardware Interrupt Clear Register c ccsceeeeeseseeeeeeeseneeeeeeeseneeeeeereas 28 2 Clear scan riada rbd 28 5 13 D A control and data registerS oooononcccnnnncccononcncnnncannnnanancnnnornnc nano ncnnnnn nn 28 5 14 Timer Counter Register ooonnocinnccinnccioncconnccnononcnnancnnononnncano conan nano ncnnnnnn nes 29 5 15 High Level PrograMmMinQ oocccononccnnnoocnncnnnancnnnonononnnon cnn nano cnn nnnn o rr ran nnnn nana 29 Chapter 6 Operation Theorem cscccssecesseeseeeesseeesseeesseeseeeeeeseeenseeeseeeneeeenes 31 3 EX92026 User s manual 6 1 Digital Input Channels eeecceeeeeeeseeeeeeeeeneeeeeeeeeeeeeeeeeeeeeeeeeeneeeeieeeeaes 32 6 2 Isolated Digital Output Channels eeccececeeeeeeeeneeeeeeeeeneeeeneeeeneeeeneeeeaes 32 6 3 A D Signal Source Control ec ceeeceeceeeeeeeeeeeeeeeeeeeeneeeeeeeeeneeeeeeeseneeeeneeeeaes 33 6 4 A D Trigger Source Control c ceeceeeeeeeeeeeeeneeeeeeeeeeeeeeeeeeeeeeeeeeneeeeneeeeaes 36 6 5 A D Data Transfer Modes ooococcnoncccnnnoccnonanccnononcncnnnon cnn rnnnnnnn nono nn ran ncnn ranas 36 6 6 InterruptiGontrol ovisto et lai gl iia Dt il laa 37 6 7 Timer Counter Operation ooococinnccnnnccnonnnnncccnonnnnnncn ronca nan cn nan ca nan cc ran can nc 38
10. channel Please refers to EX 92026 PCB Rn Rm Cn singieended Differential R84 R66 C35 ADO AD_0H R83 R67 C36 AD_1 AD_1H R82 R68 C37 AD_2 AD_2H R80 R69 C38 AD_3 AD_3H R79 R70 C39 AD_4 AD_4H R77 R71 C40 AD 5 AD_5H R75 R72 C41 AD_6 AD_6H R74 R73 C42 AD_7 AD_7H R65 IR15 C24 AD_8 AD_OL R64 R16 C25 AD_9 AD 1L R62 R17 C26 AD 10 AD 2L R61 R18 C27 AD_11 AD_3L R58 R19 C28 AD 12 AD_4L R45 R20 C29 AD_13 AD_5L R44 R21 C30 AD_14 AD_6L R23 R22 C31 AD_15 AD_7L Table 6 2 34 EX92026 User s manual 35 Signal channel control There are two ways to control the channel number The first one is the software programming and the second one is the auto channel scanning which is controlled by the SCAN mode bit in A D control register As SCAN mode is cleared 0 the value of AD control register bit 0 bit 3 defines the channel to be selected As SCAN mode is set 1 the value in control register bit 0 bit 3 defines the ending channel number of auto scanning operation Under auto scan mode the channel is scanning from channel 0 to the ending channel Whenever a trigger signal is rising the channel number to be selected will increase automatically For example if the ending channel number is 8 the auto channel scanning sequence is 0 1 2 3 4 5 6 7 8 0 1 2 3 4 5 6 7 8 until the SCAN mode bit is cleared Signal input range
11. functions After executing this function the internal A D trigger is disabled and the A D timer is stopped It must be called after executing 2026 _AD_Int_DataTransfer function Syntax C C DOS WORD D_2026_AD_Int_Stop WORD cardNo C C Windows WORD W_2026_AD_Int_Stop WORD cardNo Visual BASIC Windows Function W_2026_AD_Int_Stop ByVal CardNo As Long As Integer Delphi Function W_2026_AD_Int_Stop cardNo Word Word Argument cardNo Card number 1 2 3 4 It s set by jumper on card Return Code Error code Please refer to PCIDAQ H or DOSDAQ H 60 EX92026 User s manual 7 23 Check A D Interrupt status Description This function is used to check the status of interrupt operation you can issue this function to check the status of interrupt operation Syntax C C DOS WORD D_2026_AD_Int_Status WORD cardNo long count C C Windows WORD W_2026_AD_Int_Status WORD cardNo long count Visual BASIC Windows Function W_2026_AD_Int_Status ByVal CardNo As Long ByRef Count As Long As Integer Delphi Function W_2026_AD_Int_Status cardNo Word var Count Integer Word Argument cardNo Card number 1 2 3 4 It s set by jumper on card count The A D conversion count number performed currently Return Code Error code Please refer to PCIDAQ H or DOSDAQ H 61 EX92026 User s manual 7 24 Performa A D Data Transfer Description This function is used to read the A D conver
12. lib in the blank of Objects Library Modules 9 Add this sentence include Include PCIDAQ H OR DOSDAQ H to the head of your main file For Visual BASIC 4 Add file Include Declare bas in your project Delphi 5 Add file Include Declare pas in your project 10 Add this sentence uses Declare in the head of your unit pas C Builder 6 Add file Include PCIDAQ H OR DOSDAQ H and Lib PCIDAQ_CB lib to your project 11 Add this sentence include Include PCIDAQ H OR DOSDAQ H to head of your main file Note For more information please refer to program in directory Example 40 EX92026 User s manual 7 3 Open EX 92026 card Description Because the EX 92026 is PCI bus architecture and meets the plug and play design the IRQ and base_address pass through address are assigned by system BIOS directly EX 92026 cards have to be initialized by this function before calling other functions Syntax C C DOS WORD D_2026_Open WORD cardNo C C Windows WORD W_2026_Open WORD ExistedCards Visual BASIC Windows Function W_2026_Open ByRef ExistedCards As Long As Long Delphi Function W_2026_Open var ExistedCards Integer Integer Argument cardNo Card number 1 2 3 4 It s set by jumper on card DOS only existCards The number of installed EX 92026 cards Windows only This return value shows how many PCI92026 cards are installed in your system Return Code Error
13. 026_Reset_Do_Bit WORD cardNo WORDbitNo Visual BASIC Windows Function W_2026_Reset_Do_Bit ByVal cardNo As Long ByVal bitNo As Long As Long Delphi Function W_2026_Reset_Do_Bit cardNo Integer bitNo Integer Integer Argument cardNo Card number 1 2 3 4 It s set by jumper on card bitNo Bit Number 0 to 7 Return Code Error code Please refer to PCIDAQ H or DOSDAQ H 50 EX92026 User s manual 7 13 Initial software trigger mode Description Initialize A D conversion by software trigger it must be called before using W_2026 _SingleChannel_AD Acquire or W_2026 MultiChannel_AD_Acquire functions Syntax C C DOS WORD D_2026_AD _Acquire Initial WORD cardNo WORD AD_Range C C Windows WORD W_2026_AD_Acquire_Initial WORD cardNo WORD AD_Range Visual BASIC Windows Function W_2026_AD_Acquire_ Initial ByVal CardNo As Long ByVal AD_Range As Long As Integer Delphi Function W_2026_AD _Acquire_Initial cardNo Word AD_Range Word Word Argument cardNo card number to select borad 1 2 3 4 It s set by jumper on card AD_Range AD conversion range see page 21 AD_Range 0 5V 5V AD_Range 1 2 5V 2 5V AD_Range 2 1 25V 1 25V AD_Range 3 0 625V 0 625V AD_Range 4 OV 10V AD_Range 5 OV 5V AD_Range 6 OV 2 5V AD_Range 7 OV 1 25V AD_Range 8 10V 10V Return Code Error code Please refer to PCIDAQ H or DOSDAQ H 51 EX92026 User s manual 7 14 Single
14. 8 O O 9 DAO_o ADI_15 27 O O 8 ADI_14 ADI_13 26 O O 7 ADIL12 ADI_11 25 O O 6 ADL_10 ADI_9 24 O O 5 ADL8 ADI_7 23 O O 4 ADL6 ADI_5 22 O O 3 ADL4 ADI_3 21 O O 2 ADL2 ADI_1 20 O Zo joao 56 19 DGND O DI_7 37 O O 18 DO_7 DI_6 36 O O 17 DO_6 DI_5 35 O O 16 DO 5 D14 34 O O 15 DO_4 DL3 33 O O 14 DO_3 DL2 323 O O 13 DO_2 DI_1 31 O O 12 D041 DI_0 30 O O 11 DO_o AGND 29 O 10 AGND DAO_1 28 O O 9 DAC_o ADLL7 27 O 8 ADLL4 ADI_L5 26 O O 7 ADL12 ADI_L3 25 O O 6 ADLL2 ADI_L1 24 O O 6 ADLLO ADI_H7 23 O 4 ADL_H6 ADI_H5 22 O O 3 ADILH4 ADI_H3 21 O o O 2 ADLH2 ADI_H1 20 Lo Joao AD_n Analog Input Channel n single ended AD_Hn Analog High Input Channel n AD_Ln Analog Low Input Channel n differential DAO_n Analog output channel n DO_n Digital Output channel n 32 Timer counter 0 JP5 The EX 92026 comes equipped with one 5 pin connector JP5 for timer counter s signals of channel 0 5 gt pin 1 Pin 2 Pin 3 Pin 4 Pin 5 Veo CLK GATE OUT GND 17 18 EX92026 User s manual Chapter 4 Jumper Setting 19 41 Card number setting EX92026 User s manual Maximum four EX 92026 cards can be installed in system simultaneously with each has a unique card number A
15. EX92026 User s manual Chapter 1 Introduction EX92026 User s manual The EX 92026 products are multi function data acquisition cards The EX 92026 is ideal for data logging and signal analysis applications in medical process control 11 Features The PCI 92026 PCI Bus Advanced Data Acquisition card provides the following advanced features 32 bit PCI Bus 12 bit analog input resolution On board A D FIFO memory Auto scanning channel selection Up to 110Khz A D sampling rates 16 single ended or 8 differential analog input channels Bipolar or unipolar input signals Programmable gain of x1 x2 x4 x8 On chip sample amp hold Two 12 bit monolithic multiplying analog output channels 8 digital output channels 8 digital input channels 3 independent programmable 16 bit down counters Three A D trigger modes software trigger programmable pacer trigger Integral DC to DC converter for stable analog power source 37 pin D type connector for PCI 92026 Half size PCB 12 Applications Industrial and laboratory ON OFF control Energy management Annunciation 16 TTL DTL compatible digital input channels Security controller Product test Event and frequency counting Waveform and pulse generation EX92026 User s manual L3 Specifications Analog Input A D Converter ADS774 or equivalent successive approximation type Resolution 12 bit Numbers of Input Channel
16. EX92026 User s manual EX92026 User s manual EX 92026 Multi function DAS Cards User s Guide Copy Right Notice The information in this manual is subject to change without prior notice in order t o improve reliability design and function and DOSed not represent a commitment on the part of the manufacturer No part of this manual may be reproduced copied or transmitted in any form without the prior written permission of manufacturer Acknowledgment Products mentioned in this manual are mentioned for identification purpose only Products manes appearing in this manual may or may not be registered trademarks or copyright of their respective companies Printed Aug 2002 Rev 1 0 EX92026 User s manual Table of Contents Chapter 1 INtroductiOn cccsecceseeseseeeeeeeeeeeeeeeeeeeeeeeseeeeeeeeeeeesseeeseeeesseeeeeeeeees 7 Tat RG Atures idad 8 12 gt Applications cuicos a ei ce 8 1 3 Specifications aora de 9 1 4 Software SUpportiMQ coconnccinnccnnnccconcconnnnconononnncnnno conan cana nnnnnnnnnnn cnn canarias 11 1 5 Programming Library oa ari dol 11 Chapter 2 Installation cccsecsssesseeeeseeesseeseseeeeeeesaseesnseeseseesnsneeeseeeneneeeseeenes 13 2 1 What You Haye inoia ni a a aa lic teak tens 14 2 2 gt Unpacking id eee 14 2 3 Hardware Installation Outline 20 0 0 eee eeeeeeneeeeeeeeeeeeeeeeseaeeeseeeseeeeeeetas 14 2 4 PCB outlines icici ac eatin hel i Ne i ee eet 15 Chapter 3 Connector P
17. O Register R W Base 0E4H Counter 1 Register R W Base 0E8H Counter 2 Register R W Base 0ECH 8254 control mode W 515 High Level Programming You may bypass the detailed register structures and use provided libraries to control your EX 92026 card directly The software libraries DOS library for Borland C and DLL for Windows 95 are included in the TOPS CCC s Manual 8 Software Utility CD 29 EX92026 User s manual 30 EX92026 User s manual Chapter 6 Operation Theorem 31 EX92026 User s manual 61 Digital Input Channels The digital input is TTL structure The input voltage range are form OV to 5V The connection between outside signal and EX 92026 is shown in Figure 6 1 Digital voltage input DIO_n 0 7 Figure 6 1 Digital inputs of EX 92026 G2 Isolated Digital Output Channels On EX 94664 digital port can be controlled by setting Base ODCH register See page 25 Each output channel is TTL compatible with sink current 25mA max The connection between outside loading and EX 92026 outputs is shown in Figure 6 2 Digital output DIO_n 0 7 Output buffer Figure 6 2 Digital outputs of EX 92026 32 EX92026 User s manual 63 A D Signal Source Control To control the A D signal source User should consider the signal type signal channel and signal range The EX 92026 provides 16 single ended or 8 different isolated analog input signals To avoid ground loops and get more accur
18. Single WORD EndChannelNo As Integer Visual BASIC Windows Delphi Function W_2026_AD_Int_StartAutoScan ByVal CardNo As Long Function W_2026_AD_Int_GetScanData cardNo Word ByVal EndChannelNo As Long As Integer ScanChannelNo Word var ADData Single Word Delphi Argument Function W_2026_AD_Int_StartAutoScan cardNo Word cardNo Card number 1 2 3 4 lt s set by jumper on card EndChannelNo Word Word ScanChannelNo Scan channel 0 15 Argument ADData Returned scan AD voltage values cardNo Card number 1 2 3 4 It s set by jumper on card Return Code EndChannelNo Last channel 0 15 Error code Please refer to PCIDAQ H or DOSDAQ H Return Code Error code Please refer to PCIDAQ H or DOSDAQ H 55 7 EX92026 User s manual 7 19 Stop auto scan Description This function is used to stop the auto scan transfer function After executing this function the internal A D trigger is disabled and the A D timer is stopped Syntax C C DOS WORD D_2026_AD_Int_StopAutoscan WORD cardNo C C Windows WORD W_2026_AD_Int_StopAutoScan WORD cardNo Visual BASIC Windows Function W_2026_AD_Int_StopAutoScan ByVal CardNo As Long As Integer Delphi Function W_2026_AD_Int_StopAutoScan cardNo Word Word Argument cardNo Card number 1 2 3 4 It s set by jumper on card Return Code Error code Please refer to PCIDAQ H or DOSDAQ H 57 EX92026 User s manual 7 20 Start interrupt single channel conver
19. V 1 25V AD_Range 8 10V 10V Pacer_Rate AD sampling rate 0 0047 to 100000 sample sec Return Code Error code Please refer to PCIDAQ H OR DOSDAQ H 1 Single Channel AD conversion maximum Pacer Frequency lt 110KHz 2 Multi Channel AD conversion maximum Pacer Frequency lt 70KHZ 54 EX92026 User s manual EX92026 User s manual 7 17 Start A D auto scan 7 18 Get A D scanning data Description Description This function is used to read data from A D scan data buffer which updated by i i i h h A This function could perform A D conversion starting from channel 0 to end channe 2026 AD _ Int StartAutoscan see page 55 function with interrupt data transfer by using pacer trigger It takes place in the background and will not stop until your program execute 2026_AD_Int_StopAutoScan see Syntax page 57 C C DOS The A D data are updated periodically in the background and you can read data WORD D_2026_AD Int_GetScanData WORD cardNo by using 2026_AD_Int_GetScanData see page 56 function WORD ScanChannelNo float ADData Syntax C C Windows C C DOS WORD W_2026_AD Int_GetScanData WORD cardNo WORD D_2026_AD_Int_StartAutoscan WORD cardNo WORD WORD ScanChannelNo float ADData EndChannelNo Visual BASIC Windows C C Windows Function W_2026_AD_Int_GetScanData ByVal CardNo As Long WORD W_2026_AD_Int_StartAutoScan WORD cardNo ByVal ScanChannelNo As Long ByRef ADData As
20. al control register should be written with value OOH before controlling EX 92026 card Address Base 002H Attribute Write only Value always are 00H Interrupt mask control register Enable or disable PCI interrupt INT A Address Base 005H Attribute Write only Value 10H enable PCI INT A OOH disable PCI INT HA 24 EX92026 User s manual 53 Digital Input Register Address Map There are 8 isolated digital input channels on EX 92026 each bit of based address is corresponding to a signal on the digital input channel Address BASE 0D8H Attribute read only Bit number 7 6 5 4 3 2 1 0 Address Port Base 0D8H 0 DI_7 DIL6 DIL5 DL5 DI 3 Dl 2 DI_1 DILO 54 Digital Output Register There are total 8 digital output channels on the PCI 92026 each bit of based address is corresponding to a signal on the digital output channel Address BASE ODCH Attribute write read Bit number 7 6 5 4 3 2 1 0 Base 0DCH 0 DI_7 DL6 DL5 DL5 DIL3 DI 2 DI_1 DILO 55 Read FIFO data register The EX 92026 A D data is stored in the FIFO after conversion The data can be transferred to host memory by software only The register is 12 bits and can be read twice by 8 bits I O command Address Base OCOH Base 0C4H Attribute Read only Bit number Address 7 6 5 4 3 2 1 0 Base 0COH AD_7 AD 6 AD
21. ate measurement of A D conversion it is quite important to understand the signal source type Single Ended analog input type The single ended mode has only one input relative to ground and is suitable for connecting with the floating signal source Figure 6 3 shows the single ended connection Single Ended input oO x 2 2 5 E 5 Q E AO AD_GND Figure 6 3 Signal sources and single ended connection Differential analog input type The differential input voltage signal is measured is by a pair of signals The AD circuits measure the voltage difference between the differential pair The common mode noise can be reduced under this mode Note that the differential signal pair should be still common ground to the isolation ground plane Figure 4 2 shows the differential analog signal input connection Differential input Input multiplexer Figure 6 4 Differential analog input connection 33 Signal Conditioning EX92026 User s manual Three are 16 SE R C filters attenuators on board for every channel The RC circuits for each channel are shown in the following diagram where n is the channel number User can install the R C for special purpose such as attenuating the voltage to increase the input voltage range or used as current sensor RC filter To multiplexer Cn Rn Analog input AD_n Rm bd Figure 6 5 The following table shows you the corresponding RC labels for each
22. code Please refer to PCIDAQ H or DOSDAQ H 41 EX92026 User s manual 7A Get card number setting Description Get the cards number set by jumper on the cards Syntax C C DOS void D_2026_GetCardsID WORD CardsIDArray C C Windows WORD W_2026_GetCardsID WORD CardsIDArray Visual BASIC Windows Function W_2026_GetCardsID ByRef CardsIDArray As Long As Integer Delphi Function W_2026_GetCardsID var CardsIDArray Word Word Argument CardsIDArray This array return card number 1 2 3 4 set by jumper on the cards You should define a 4 elements array and then pass the array s pointer to this function If the CardsIDArray 0 return TRUE the card number 1 is available If the CardsIDArray 1 return TURE the card number 2 is available If the CardsIDArray 2 return TRUE the card number 3 is available If the CardsIDArray 3 return TURE the card number 4 is available Return Code Error code Please refer to PCIDAQ H or DOSDAQ H 42 EX92026 User s manual 7 5 Get Version of PCIDAQ DLL or DOSDAQ LIB Description The EX 92026 card is driven by PCIDAQ DLL or DOSDAQ LIB driver This function returns the version of PCIDAQ DLL or DOSDAQ LIB driver Syntax C C DOS Void D_2026_Version char version C C Windows Int W_2026_Version void Visual BASIC Windows Function W_2026_Version As Long Delphi Function W_2026_Version Integer Argument version Stores version string when return Fo
23. d TimerMode 8254 s work mode It must be 0 to 5 CounterValue 8254 s initial value It must be 0 to 65535 Return Code Error code Please refer to PCIDAQ H or DOSDAQ H 63 EX92026 User s manual 7 26 Read timer counter 0 Description Read timer counter 0 s current counter value Syntax C C DOS WORD D_2026_Timer0_Read WORD cardNo unsigned int CounterValue C C Windows WORD W_2026_Timer0_Read WORD cardNo long CounterValue Visual BASIC Windows Function W_2026_Timer0_Read ByVal CardNo As Long ByRef CounterValue As Long As Integer Delphi Function W_2026_Timer0_Read cardNo Word CounterValue Word Word Argument cardNo Card number 1 2 3 4 lt s set by jumper on card CounterValue Returned counter 0 s current value Return Code Error code Please refer to PCIDAQ H or DOSDAQ H 64 EX92026 User s manual 7 27 Stop timer counter 0 Description This function is used to stop the timer operation The timer is set as the One shot mode with counter value 0 Syntax C C DOS WORD D_2026_Timer0_Stop WORD cardNo unsigned int CounterValue C C Windows WORD W_2026_Timer0_Stop WORD cardNo long CounterValue Visual BASIC Windows Function W_2026_Timer0_Stop ByVal CardNo As Long ByRef CounterValue As Long As Integer Delphi Function W_2026_Timer0_Stop cardNo Word CounterValue Word Word Argument cardNo Card number 1 2 3 4 It s set by j
24. ersion N times with interrupt data transfer by using pacer trigger It takes place in the background and will not stop until the N th conversion has been completed or your program execute function 2026 _AD_Int_Stop see page 60 to stop the process After executing this function it is necessary to check the status of the operation by using the function 2026 _AD_Int_Status see page 61 AD conversion begin from channel 0 to last channel periodically until the N th conversion has been completed You can use the function 2026 _AD_Int_DataTransfer to read AD conversion data from the buffer Syntax C C DOS WORD D_2026_AD_ Int_StartMultiChannel WORD cardNo WORD EndChannelNo unsigned int Count C C Windows WORD W_2026_AD_Int_StartMultiChannel WORD cardNo WORD EndChannelNo long Count Visual BASIC Windows Function W_2026_AD_Int_StartMultiChannel ByVal CardNo As Long ByVal EndChannelNo As Long ByVal Count As Long As Integer Delphi Function W_2026_AD_Int_StartMultiChannel cardNo Word EndChannelNo Word Count Word Word Argument cardNo Card number 1 2 3 4 It s set by jumper on card EndChamnelNo AD Conversion end Channel 0 15 Count The number of A D conversion per channel Return Code Error code Please refer to PCIDAQ H or DOSDAQ H 59 EX92026 User s manual 7 22 Stop A D interrupt Description This function is used to stop the interrupt data transfer
25. ge generator 82 VR Assignment There are four variable resistors VR on the EX 92026 board to allow you making accurate adjustment on A D channels The function of each VR is specified as shown below VR2 A D bi polar offset adjustment VR3 A D uni polar offset adjustment VR1 A D full scale adjustment VR4 PGA offset adjustment 6 1 2 A D Adjustment PGA offset calibration 1 Set JP3 as single ended input 2 Short the A D channel 0 pin 1 of CN2 to ground AD_GND pin 10 of CN2 3 Use multi meter to measure the voltage between pin 11 of U11 and ground AD_GND pin 10 of CN2 4 Adjust VR4 until the read out value approach to zero Uni polar input 1 Set JP3 as single ended input Set JP7 as uni polar A D input Set JP3 to 10V full range Short the A D channel 0 pin 1 of CN2 to ground AD_GND pin 10 of CN2 Set the analog gain 1 and channel number 0 by software Adjust VR3 to obtain reading between 0 000 0 001 Applied a 10V reference input signal to A D channel 0 and trim the VR2 to obtain reading approach to 9 999V NO a fF O ND i 68 EX92026 User s manual 69 Bi polar input NA ON D Set JP3 as single ended input Set JP1 as bi polar A D input Set JP3 to 20V full range Set the analog gain 1 and channel number 0 by software Short the A D channel 0 pin 1 of CN2 to ground AD_GND pin 10 of CN2 Adjust VR2 to obtain reading between 0 001V and 0 001V Applied a 10V
26. in Assignments c cceecsseeeseeeeeeeeeeeeeeeseeeeeeeeneeeenees 17 3 1 Analog input output amp digital input output CN2 eee eeeeeeeeeeeeeeeeeeeeee 18 3 2 E peiiini aitari paad aka iaa pieradina Aarena inei REAS 18 Chapter 4 Jumper Setting eccceeccsseeceseeesseeenseeesseeeneeeesseaeneeeeseeesaeeeeeeeeeneeeeeae 19 Aad Gard number A 20 4 2 Analog Signal Input A D Type selection ecceeceeeeeeeeeeeeeeeeteneeeeneetens 20 4 3 Analog Input Polarity and Range Selection n se 21 4 4 Analog output D A range selection ooococonnncccnnoccncnoncnnnnnoncncnanancn cnn ono 21 Chapter 5 Registers Fortmat ccsssccsseeesseeesseeesseeenseeesseeeeseeeseeeeaseeeeeeeeaeeeeaee 23 5 PGLPNP Registers ities nik igh are A e a 24 5 2 PCI controller register address Map oocccnocicinnccinccnncccconcnconcncnncncnnncnancnnnos 24 5 3 Digital Input Register Address Map ccooocccinoncccnnoccnncnonaccnnnoncncnanncnnnn anno 25 5 4 Digital Output Register oooonnocinnccnnnconnccconoconnccnnnnnonnncnnno corra nnnna no nnncnnnnnanno 25 5 5 Read FIFO data register ooococinncninnicinncccnnccconononnncnononnnnnn cano ncnnnnrancnrnncnnn nos 25 5 6 Read FIFO status registel oooonnncinnnninnncinncncncccnnnoncnnncnnno conan nnnna no rancnnnn nano 26 5 7 A D control register Arrr aerae Reno aTa AREKE ERa REA 26 5 8 A D control status register ooooooncccnnnnnconnonccnnnonnncnnncnnonnnrocnnnnrr cnc nnnrn cn nnnnnnn 27 5 9
27. jumper called JP4 see page 15 on the card is used to set the card number starts from 1 to 4 JP4 Card number NN 1 pha default eee setting TON oojo ooldo 7 TONS opoo odoo 3 FMN es 4 ooo 4 2 Analog Signal Input A D Type selection JP3 is the selection jumper of analog signal input type The following table shows the two possible configurations Analog signal input mode Single ended Differential 20 EX92026 User s manual EX92026 User s manual 43 Analog Input Polarity and Range selection JP1 is the polarity and maximum input range selection jumper The following table shows the two configurations Polarity AD_Range value Gain JP1 Max Input range 0 1 5 5V 1 2 2 5V 2 5V 2 4 1 25V 1 25V 3 8 Bipoar 0 625V 0 625V 4 1 OV 10V 5 2 OV 5V 6 4 OV 2 5V 7 8 Unipolar OV 1 25V 8 1 10 10V Bipolar 4 4 Analog output D A range selection JP2 is the selection jumper of analog output range The following table shows the two possible output ranges JP2 Analog Output Range 10V 10V OV 10V a ATT 35 EX92026 User s manual Chapter 5 Registers Format 23 EX92026 User s manual This information is quite useful for the programmers who wish to handle the card by low level programming However we suggest user have to understa
28. lear register must be written to clear the flag after processing the interrupt request event otherwise that another interrupt request is inserted will cause the software to hang on processing the interrupt event Address Base 0D8H Attribute write only Value any value 5 12 Clear scan register This register is used to clear channel scan counter and then restart the counter from channel 0 Address Base 0C8H Attribute Write only Value any value 5 13 D A control and data registers The EX 92026 has two 12 bit Digital to analog outputs channels It provides uni polar and bi polar analog output Tbe I O address map are shown below Address Base OFOH Base 0FCH Attribute write only Value Address Function Base 0FCH D A data latch control register Base 0FOH Low byte data of channel 0 Base 0Ff4H High byte data of channel 0 Base 0F8H Low byte data of channel 1 Base 0FCH High byte data of channel 1 28 EX92026 User s manual 5 14 Timer Counter Register The 82C54 chip occupies 4 I O address locations in the EX 92026 as shown below Users can refer to 82C54 data sheet for the descriptions about all the features of 82C54 You can download the data sheet on the following web site http support intel com support controllers peripheral 231164 htm Address Base OEQH Base OECH Attribute Read write Value Address Timer counter register Base 0E0H Counter
29. n read back current 8 bit output value of EX 92026 by calling this function Syntax C C DOS WORD D_2026_Read_Do WORD cardNo WORD DoData C C Windows WORD W_2026_Read_Do WORD cardNo WORD DoData Visual BASIC Windows Function W_2026_Read_Do ByVal cardNo As Long ByRef DoData As Long As Long Delphi Function W_2026_Read_Do cardNo Integer var DoData Integer Integer Argument cardNo Card number 1 2 3 4 It s set by jumper on card Data Return current output data Return Code Error code Please refer to PCIDAQ H or DOSDAQ H 48 EX92026 User s manual 7 11 Set a bit of digital output port Description Set a bit of digital output port to active state Output transistor ON Syntax C C DOS WORD D_2026_Set_Do_Bit WORD cardNo WORDbitNo C C Windows WORD W_2026_Set_Do_Bit WORD cardNo WORDbitNo Visual BASIC Windows Function W_2026_Set_Do_Bit ByVal cardNo As Long ByVal bitNo As Long As Long Delphi Function W_2026_Set_Do_Bit cardNo Integer bitNo Integer Integer Argument cardNo Card number 1 2 3 4 It s set by jumper on card bitNo Bit Number 0 to 7 Return Code Error code Please refer to PCIDAQ H or DOSDAQ H 49 EX92026 User s manual 7 12 Reset a bit of digital output port Description Reset a bit of digital output port to active state Output transistor OFF Syntax C C DOS WORD D_2026 Reset_Do_Bit WORD cardNo WORDbitNo C C Windows WORD W_2
30. nan nnnnnnanos 53 7 16 Initial interrupt trigger MON cooooccccnnoncncnoncncnononcnonanon cnn nano nonn nono nonnnen cnn ranas 54 7 17 Start A D auto Scansano ea rre cnn nn rr nan nera n enana nenas 55 2 18 GEtA D Scaming datar iii 56 FAQ Stop auto scans ia iaa a 57 7 20 Start interrupt single channel conversion oooooccnnnccnoncccocccnoncnnanncnnananancnnnnos 58 7 21 Start Interrupt Multiple channel conversion oooooonccconnccnnnccnnocacancncnnanancnnnns 59 1 22 SOP A D INtOrrupl c acostar droits A A aiani 60 7 23 Check A D Interrupt Status oooooncocinncnnonccnncccnoncnnnnnnnorcnnnncnrancnnnnc crac nnnncnnn nos 61 7 24 Performa A D Data Transfer oooooncccnnncccnnoncncnnnonnncnnnonnnnnnnnnnn crono ncrnnen cnn nano 62 7 25 Initial and start timer counter HO oocoonococcnonococinoncnonanoncnn nano nonnnononn naar cnnnnnnos 63 7 26 Read timer counter 0 ooooocccinnncconnnocncnnnnnnnnnnnarnnrnnnnn rare nacen rana ninas 64 7 27 Stop timer counter HO oooconncinncconncnconccnonnnnnnonononcnnnnnonnnnnnnn narran narran 65 7 28 Write data toiDA E EE T 66 Chapter 8 Calibration amp Utilities 2 0 0 cseeseeeeeseeeseeeeseeeeneeeeseeeenseeeeeeeenseeeeseees 67 Bil E lle OAE A A eh eed oc aaz cys astecoennaad ia arteria 68 8 2 NVR ASSIGNMONE iia aia iii 68 4 EX92026 User s manual EX92026 User s manual Chapter 9 EX 9837 Terminal DOaId cccseeeseeeeseeeeseeenseeeeeeeeeseeeeseeeaseeeeeeees 71 OA MAIN TOUS iii dt a a did 71
31. nd more about the PCI interface then start any low level programming In addition the contents of this chapter can help users understand how to use software driver to manipulate this card 5 1 PCI PnP Registers There are two types of registers PCI Configuration Registers PCR and Peripheral Interface Bus PIB The PCR which is compliant to the PCI bus specifications is initialized and controlled by the plug 8 play PnP PCI BIOS The PCI bus controller Tiger 100 320 is provided by Tigerjet Network Inc www tinet com For more detailed information of PIB please visit Tigerjet technology s web site to download relative information It is not necessary for users to understand the details of the PIB if you use the software library The PCI PnP BIOS assigns the base address of the PIB The assigned address is located at offset 14h of PIB EX 92026 board registers are in 32 bit width But only lowest byte bitO bit7 is used The users can access these registers by only 32 bit I O or 8 bit I O instructions The following sections show the address map including descriptions and their offset addresses relative to the base address 52 PCI controller register address map Reset control register The EX 92026 is in inactive state when the system power on and should be activated by set bit o of this register to 1 state Address Base 0x00h Attribute Write only Value 01 PCI Internal special control register EX 92026 intern
32. nments are done on a board by board basis It is not suggested to assign the system resource by any other methods PCI slot selection The PCI card can be inserted to any PCI slot without any configuration for system resource 13 i EX92026 User s manual 24 PCB outline m 165 mm E CN 200000 JPA for testing VRI CPLD seo VR2L a VRB DAC8215 vR4C JP3 MUX PCI Bus Controller TA EX 92026 Where CN1 Testing only no used for user CN2 Analog input outputs and digital l O connector JP1 A D Bi polar un polar and full scale range selection jumper JP2 D A output range and polar selection jumper JP3 A D single ended or differential input selection jumper JP4 Card number selection jumper JP5 Timer 0 input and output connector VR1 Full scale adjustment VR2 Bi polar offset adjustment VR3 Uni polar offset adjustment VR4 PGA offset adjustment 15 102mm EX92026 User s manual 16 EX92026 User s manual Chapter 3 EX92026 User s manual 31 Analog input output amp digital input output CN2 Differential analog input connection Lt a Connector Pin Assignments Single ended analog input connection 7776 us eno D7 87 O O 18 DO_7 DI_6 36 O O 17 DO 6 DL5 35 O O 16 DO_5 D14 3891 O O 15 DO 4 DI_3 33 O O 14 DO_3 DI_2 32 O O 13 DO_2 DL_1 31 O O 12 DO_1 DI_0 30 O O 11 DO_o AGND 29 O O 10 AGND DAO_1 2
33. r DOSDAQ LIB only Return Code The version number of PCIDAQ DLL Windows only No return DOS only 43 EX92026 User s manual 7 6 Close EX 92026 card before exiting Description The IRQ and base_address of EX 92026 pass through address are assigned by system BIOS directly This function should be called to release all system resource before terminate application program Syntax C C DOS WORD D_2026_Close WORD cardNo C C Windows Void W_2026_Close void Visual BASIC Windows Function W_2026_Close Delphi Function W_2026_Close Argument None Return Code None 44 EX92026 User s manual 7 7 Read data from digital input port Description This function is used to read data from digital input port You can get 8 bit digital input data from EX 92026 by calling this function Syntax C C DOS WORD D_2026_Read_Di WORD cardNo WORD DiData C C Windows WORD W_2026_Read_Di WORD cardNo WORD DiData Visual BASIC Windows Function W_2026_Read_Di ByVal cardNo As Long ByRef DiData As Long As Long Delphi Function W_2026_Read_Di cardNo Integer var DiData Integer Integer Argument cardNo Card number 1 2 3 4 It s set by jumper on card Didata Return digital input data Return Code Error code Please refer to PCIDAQ H or DOSDAQ H 45 EX92026 User s manual 7 8 Get the PCI bus and slot number of the card Description Get the PCI bus and slot number occupied by the card S
34. r Operation One 8254 programmable timer counter chip is installed in EX 92026 Timer 1 and Timer 2 are used for periodically triggering the A D conversion and Counter 0 is left free for user applications The block diagram of the timer counter system is shown in following diagram The timer 1 and timer 2 are cascaded together to generate the timer pacer trigger of A D conversion The frequency of the pacer trigger is software controllable The maximum pacer signal rate is 2MHz 4 500K and the minimum signal rate is 2MHz 65535 65535 Counter 2 OUT2 A Counter 1 Timer Pacer GEKO Counter 1 OUTO GATEO Figure 6 7 38 EX92026 User s manual EX92026 User s manual 7 1 How to use the DOSDAQH LIB in DOS Chapter 7 For BC compiler L i b ra r i e S 1 Large mode Add LIB BC DOSDAQL LIB in your project 2 Huge mode Add ALIBBBCIDOSDAQH LIB in your project 39 3 Include DOSDAQ H in your source file For MSC compiler 1 Large mode Add LIB MSC DOSDAQL LIB in your project 4 Huge mode Add _ LIB MSC DOSDAQH LIB in your project 5 Include DOSDAQG H in your source file For TC compiler 2 Large mode Add LIB TC DOSDAQL LIB in your project 6 Huge mode Add LIB TC DOSDAQH LIB in your project 7 Include DOSDAQ H in your source file 7 2 How to use the PCIDAQH DLL in Windows For VC 6 0 3 Add file Include PCIDAQ H OR DOSDAQ H in your project 8 In link page of menu project setting add LIB PCIDAQ
35. r with a 2MHz time base General Specifications Connector 37 pin D type connector Operating Temperature 0 C 60 C Storage Temperature 20 C 80 C Humidity 5 95 non condensing Power Requirement 5 V 460 mA typical PCB Dimension 102mm H X 165mm L 10 EX92026 User s manual 14 Software Supporting TOPS CCC provides versatile software drivers and packages for users different approach to built up a system We not only provide programming library such as DLL for many Windows systems but also provide drivers for many software package such as LabVIEW Intouch M and so on All the software options are included in the provided CD L5 Programming Library 11 The provided CD includes the function libraries for many different operating systems including DOS Library Borland C C and Microsoft C the functions descriptions are included in this user s guide Windows 98 2000 NT Me XP DLL For VB VC BC5 the functions descriptions are included in this user s guide Windows 98 2000 NT Me XP ActiveX For Windows s applications LabVIEW e Driver Contains the VIs which are used to interface with NI s LabVIEW e software package Supporting Windows 95 98 NT 2000 The LabVIEW e drivers are free shipped with the board InTouch Driver Contains the InTouch driver which support the Windows 98 2000 NT XP The The InTouch e drivers are free shipped with the board EX92026 User s manual
36. rate trigger pulse with precise period This mode is ideal for high speed A D conversion User can combine this mode with the FIFO half full interrupt or EOC interrupt to transfer data It is also possible to use software FIFO polling to transfer data The A D trigger A D data transfer and Interrupt can be set independently G5 A D Data Transfer Modes On the EX 92026 the A D data are buffered in the 1024 1K words FIFO memory The data must be transferred to host memory after the data is ready and before the FIFO is full EX 92026 provides many data transfer modes that can be used The different transfer modes are specified as follows Software Data Polling This mode can be used with software A D trigger mode After the A D conversion is triggered by software the software should poll the FF_EF FIFO Empty bit of the A D control status register After the A D conversion is completed the A D data is written to FIFO immediately thus the FF_EF becomes high You can consider the FF_EF bit as a flag to indicate the converted data ready status FIFO Half Full Polling The on board 1 K words FIFO can be stored up to 10 24 ms analog data under 100 KHz sampling rate When the FIFO is half full and not full the software can read one block 512 words A D data without checking the FIFO status This method is very convenient to read A D in size of a block and it is benefit to software programming EOC Interrupt Transfer The EX
37. reference input signal to A D channel 0 pin 1 of CN2 and trim the VR1 to obtain reading between 9 999V EX92026 User s manual 70 EX92026 User s manual Chapter 9 EX 9837 Terminal board EX 9837 Screw terminal termination board features one 37 pin D type connector for easy maintenance wiring and installation It provides 37 channels that are accessed through a 37 pin D type connector Q1 Main features Low cost screw terminal board for the all EX series with 37 pin D type connector Reserved space for signal conditioning circuits such as low pass filter voltage attenuator and current shunt Industrial type termination blocks permit heavy duty and reliable signal connections Table top mounting using nylon standoffs Screws and washers provided for panel or wall mounting Dimensions 80mm W x 181mm H 37 pin D type connector O A LL A ODNDMTRWNM NARHON 0 o O O D O O O O O O O O O ON O O O O 17 71 EX92026 User s manual 72
38. sion Description This function is used to initial and startup the AD EOC end of conversion interrupt This function could perform single channel A D conversion N times with interrupt data transfer by using pacer trigger It takes place in the background and will not stop until the N th conversion has been completed or your program execute function 2026 _AD_Int_Stop see page 60 to stop the process After executing this function it is necessary to check the status of the operation by using the function 2026 _AD_Int_Status see page 61 Syntax C C DOS WORD D_2026_AD_Int_StartSingleChannel WORD cardNo WORD ChannelNo unsigned int Count C C Windows WORD W_2026_AD_Int_StartSingleChannel WORD cardNo WORD ChannelNo long Count Visual BASIC Windows Function W_2026_AD_Int_StartSingleChannel ByVal CardNo As Long ByVal ChannelNo As Long ByVal Count As Long As Integer Delphi Function W_2026_AD_Int_StartSingleChannel cardNo Word ChannelNo Word Count Word Word Argument cardNo Card number 1 2 3 4 It s set by jumper on card ChannelNo Channel number 0 15 Count The number of A D conversion Return Code Error code Please refer to PCIDAQ H or DOSDAQ H 58 EX92026 User s manual 7 21 Start Interrupt Multiple channel conversion Description This function is used to initial and startup the AD EOC end of conversion interrupt This function could perform multiple channel A D conv
39. sion data from A D Data buffer which updated by functions 2026_AD_Int_StartSingleChanne or 2026_AD_Int_StartMultiChanne Syntax C C DOS WORD D_2026_AD_Int_DataTransfer WORD cardNo float AD_ Buffer long count C C Windows WORD W_2026_AD_Int_DataTransfer WORD cardNo float AD Buffer long count Visual BASIC Windows Function W_2026_AD_Int_DataTransfer ByVal CardNo As Long ByRef AD_Buffer As Single ByVal Count As Long As Integer Delphi Function W_2026_AD_Int_DataTransfer cardNo Word var AD _Buffer Single Count Word Word Argument cardNo Card number 1 2 3 4 lt s set by jumper on card AD_Buffer Returned AD conversion voltage values count The number you want to read Return Code Error code Please refer to PCIDAQ H or DOSDAQ H 62 EX92026 User s manual 7 25 Initial and start timer counter 0 Description Set 8254 s timer counter 0 with work mode and initial value Syntax C C DOS WORD D_2026_Timer0_Start WORD cardNo WORD TimerMode unsigned int CounterValue C C Windows WORD W_2026_Timer0_Start WORD cardNo WORD TimerMode long CounterValue Visual BASIC Windows Function W_2026_Timer0_Start ByVal CardNo As Long ByVal TimerMode As Long ByVal CounterValue As Long As Integer Delphi Function W_2026_Timer0_Start cardNo Word TimerMode Word CounterValue Word Word Argument cardNo Card number 1 2 3 4 It s set by jumper on car
40. trol status register This register stores the A D conversion status such as current channel number gain trigger mode and channel scan mode Address Base OCCH Attribute Read only Value Bit number Address Base 0CCH Trigger mode Scan mode Gain Channel number Where Channel Number Current A D input channel Gain Current gain 0 1 2 3 Scan mode 0 No auto scan 1 Auto scan Trigger mode O triggered by software 1 Triggered by pacer 59 Interrupt Control and Read back Register 27 The EX 92026 has a triple interrupt sources can be generated and be checked by the software This register is used to select the interrupt sources and readback the interrupt status Address Base 0D4H Attribute Read write Value as shown in Table 5 1 Bit number 7 3 2 1 0 Interrupt mode Disable interrupt X 0 0 0 Interrupt when FIFO is half full X 0 0 1 Interrupt when End of A D conversion X 0 1 0 Interrupt when start of A D conversion triggered by timer counter 2 x 1 0 0 Table 5 1 EX92026 User s manual 5 10 Software Trigger Register To generate a trigger pulse to the EX 92026 for A D conversion you just write any data to this register and then the A D converter will be triggered Address Base 0C4H Attribute Write only Value any value 5 11 Hardware Interrupt Clear Register Because the PCI interrupt signal is level trigger the interrupt c
41. umper on card CounterValue Returned counter0 s current value Return Code Error code Please refer to PCIDAQ H or DOSDAQ H 65 EX92026 User s manual 7 28 Write data to DA Description Write data to D A output channel Syntax C C DOS WORD D_2026_Timer0_Stop WORD cardNo unsigned int CounterValue C C Windows WORD W_2026_DA WORD cardNo WORD DAChannelNo WORD DARange float DAData Visual BASIC Windows Function W_2026_DA ByVal cardNo As Long ByVal DAChannelNo As Long ByVal DARange as Long ByVal DAData As Single As Long Delphi Function W_2026_DA cardNo Integer DAChannelNo Integer DARange Integer DAData Single Integer Argument cardNo Card number 1 2 3 4 lt s set by jumper on card DA_Ch DA channel 0 to 1 DA_Range DA Output Range 0 0V 10V 1 10V 10V DAData Voltage value OV 10 000V or 10 000V 10 000V Return Code Error code Please refer to PCIDAQ H or DOSDAQ H 66 EX92026 User s manual EX92026 User s manual Users can calibrate the analog input channels under the users operating Chapter 8 environment for optimizing the accuracy This chapter will guide you to calibrate your EX 92026 to an accuracy condition Calibration a Utilities 81 Calibration Before calibrating your EX 92026 card you should prepare some equipments for the calibration A 5 1 2 digit multimeter 6 1 2 is recommended A voltage calibrator or a very stable and noise free DC volta
42. yntax C C DOS WORD D_2026_GetBusSlot WORD cardNo WORD bus WORD slot C C Windows WORD W_2026_GetBusSlot WORD cardNo WORD bus WORD slot Visual BASIC Windows Function W_2026_GetBusSlot ByVal cardNo As Long ByRef bus As Long ByRef slot As Long As Long Delphi Visual BASIC Windows Function W_2026_GetBusSlot cardNo Integer var bus Integer var slot Integer Integer Argument cardNo Card number 1 2 3 4 It s set by jumper on the card bus Return PCI bus Number slot Return PCI slot Number of the bus Return Code Error code Please refer to PCIDAQ H or DOSDAQ H 46 EX92026 User s manual 7 9 Write data to digital output port Description This function is used to write data to output port You can send 8 bit output data to EX 92026 by calling this function Syntax C C DOS WORD D_2026_Read_Do WORD cardNo WORD DoData C C Windows WORD W_2026_Write_Do WORD cardNo WORD Data Visual BASIC Windows Function W_2026_Write_Do ByVal cardNo As Long ByVal Data As Long As Long Delphi Function W_2026_Write_Do cardNo Integer Data Integer Integer Argument cardNo Card number 1 2 3 4 It s set by jumper on card Data Data be written to output port Return Code Error code Please refer to PCIDAQ H or DOSDAQ H 47 EX92026 User s manual 7 10 Read back current value of the digital output port Description This function is used to read current data of output port You ca
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