Adlink PCI-9810 Manual do Utilizador

Advance Technologies; Automate the World.Manual Rev. 3.02Revision Date: December 2, 2008Part No: 50-11116-2040NuDAQ PCI-9812/98104-CH, 20 MHz Simult

iv List of TablesList of TablesTable 2-1: JP1 Pin Definition ... 11Table 2-2: JP1 Pin Definition Co

List of Figures vList of FiguresFigure 2-1: Location of Connectors... 10Figure 5-1: Post-trigger Acquisitio

Introduction 11 IntroductionThe PCI-9812/9810 is an advanced performance data acquisitioncard based on the 32-bit PCI bus architecture. With maximum

2Introduction1.3 SpecificationsAnalog Input (AI)Converters B.B. ADS800 seriesInput Channels Four single-endedResolution 12-bit (PCI-9812)10-bit (PCI-9

Introduction 3General SpecificationsConnectors 5 BNC-type, one 10-pin headerOperating Temperature 0°C to 40°CStorage Temperature -20°C to 80°CHumidit

4Introduction1.4 Unpacking ChecklistBefore unpacking, check the shipping carton for any damage. Ifthe shipping carton and/or contents are damaged, inf

Introduction 51.5 Software SupportSoftware SupportADLINK provides versatile software drivers and packages to suitvarious user approach to building a

6IntroductionPCIS-DASK/XInclude device drivers and shared library for Linux. Thedeveloping environment can be Gnu C/C++ or anyprogramming language tha

Introduction 7DASYLab™ PRODASYLab is an easy-to-use software package that provideseasy-setup instrument functions such as FFT analysis. ContactADLINK

Copyright 2008 ADLINK TECHNOLOGY INC.All Rights Reserved.DisclaimerThe information in this document is subject to change without priornotice in order

8Introduction

Hardware Information 92 Hardware InformationThis chapter describes the PCI-9812/9810 layout, connectors,signal connection with external devices, and

10 Hardware Information2.2 ConnectorsThe PCI-9812/9810 connects to external devices via five BNCconnectors and one 10-pin dual-in-line header. Figure

Hardware Information 11JP1 Pin DefinitionBelow is the default JP1 pin assignment.When JP1 is connected to a 9-pin D-type connector using a ribboncabl

12 Hardware Information2.3 Input SettingsThis section describes the characteristics and settings of the PCI-9812/9810 inputs.Analog InputThe PCI-9812/

Hardware Information 13CAUTION DO NOT leave the input connector unconnected when it is configured as high impedance input. The input connec-tor must

14 Hardware InformationExternal Clock 0The external clock 0 (J5) is a sine wave signal that is converted toa TTL signal inside the PCI-9812/9810. Thi

Installation 153 Installation3.1 Before You Proceed The PCI-9812/9810 card has electrostatic sensitive componentsthat can be easily damaged by static

16 Installation3.3 Configuring the CardAs a plug and play component, the card requests an interruptnumber through its PCI controller. The system BIOS

Registers 174RegistersDescriptions of the register format and structure of the PCI-9812/9810 are specified in this chapter. This information is for p

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18 RegistersADC Channel Enable RegisterThe PCI-9812/9810 has four analog input channels: CH0, CH1,CH2, and CH3. CH0 to CH3 may be enabled or disabled

Registers 19ADC Clock Divisor RegisterFeeding the ADC source clock to a clock frequency divider gener-ates the ADC sampling clock. The output of the

20 RegistersTrigger Mode RegisterThe PCI-9812/9810 has five trigger modes: software trigger, posttrigger, pre-trigger, middle trigger and delay trigge

Registers 21Trigger Level RegisterThe trigger condition of the PCI-9812/9810 includes a trigger leveland a trigger slope. This register sets the trig

22 RegistersTrigger Source RegisterThe PCI-9812/9810 supports five trigger sources: CH0, CH1,CH2, CH3, and external digital trigger.Address: BASE + 10

Registers 23Post Trigger Counter RegisterThe post trigger counter is a 16-bit down counter. The counter ispre-loaded with the value in the post trigg

24 RegistersFIFO Status RegisterMonitors some of the PCI-9812/9810 status.Address: BASE + 18hAttribute: ReadData Format:Bit 7 6 5 4 3 2 1 0BASE+18h —

Registers 25FIFO Control RegisterControls the onboard FIFO memory.Address: BASE + 18hAttribute: WriteData Format:Bit 7 6 5 4 3 2 1 0BASE+18h — — — —

26 RegistersAcquisition Enable RegisterEnables or disables the ADC acquisition.Address: BASE + 1chAttribute: Write only Data Format:Bit 7 6 5 4 3 2 1

Registers 27Clock Source RegisterSelects the system clock source.Address: BASE + 20hAttribute: Write onlyData Format:NOTE When selected, the external

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28 Registers4.2 High Level ProgrammingThe PCI-9812/9810 card can be controlled directly using high-level Application Programming Interface (API) that

Operation Theory 295 Operation TheoryThe operation theorem of the PCI-9812/9810 card functions isdescribed in this chapter. These functions include A

30 Operation TheoryX A/D data transfer modeIn the end of an A/D conversion, the A/D data is buffered in aFIFO. The total FIFO size on PCI-9812/9810 is

Operation Theory 315.2 Signal Source ControlTo control the A/D signal source, the signal type, signal channel,and signal range must be determined.Sig

32 Operation Theory5.3 Trigger Source ControlWhen performing trigger acquisition in the PCI-9812/9810, thefollowing parameters have to be specified be

Operation Theory 33specified trigger level to a voltage that is higher than the speci-fied trigger level.Z Negative-slope triggerThe trigger event oc

34 Operation TheoryTrigger ModesX Software-trigger acquisitionThis trigger mode does not require any external trigger source.The trigger event occurs

Operation Theory 35X Middle-trigger acquisitionUse middle-trigger acquisition to collect data before and after aspecified trigger event. The amount o

36 Operation Theory5.4 Clock Source ControlThe AD clock source determines how the board regulates thetiming of conversions when acquiring multiple sam

Operation Theory 37NOTE The clock divider must be an even number (2, 4, 6, 8, 10… 65534), with the minimum divider value being 2. Re-fer to section 6

Using this manualAudience and scopeThis manual guides you when using ADLINK NuDAQ® multi-func-tion PCI card. The card’s hardware, signal connections,

38 Operation Theory5.5 Data TransferData TransferThere are several function blocks on the PCI-9812/9810 designedto acquire AD data. Even as the maximu

Operation Theory 39Total Data ThroughputWhen four channels start simultaneously, the total data throughputfrom the AD converter to the onboard FIFO m

40 Operation TheoryBus-mastering Data TransferPCI bus-mastering DMA is necessary for high speed DAQ in orderto utilize the maximum PCI bandwidth. The

Operation Theory 41Storing data from the host memory to a hard disk or other storagedevices must also be considered. The burst data rate of currentHD

42 Operation Theory5.6 Data FormatThe A/D data of 12-bit PCI-9812 is on the 12 MSB of the 16-bit A/D data. The 4 LSB of the 16-bit A/D data must be tr

Operation Theory 43The formula showing the relationship of the A/D data and theanalog value is:Voltage = AD_data x (1/K) x (Gain)Where Gain and K are

44 Operation Theory

Function Reference 456 Function ReferenceThis chapter describes the software library for operating the PCI-9812/9810 card. Only the functions for DOS

46 Function Reference6.2 Programming GuideNaming ConventionThe functions of NuDAQ and NuIPC PCI/CompactPCI cards’ soft-ware driver use the following n

Function Reference 47Data Types Some data types were defined in Pci_9812.h (DOS) and Acl_pci.h(Windows 95). These data types are used by the NuDAQ ca

ConventionsTake note of the following conventions used throughout the man-ual to make sure that you perform certain tasks and instructionsproperly.NOT

48 Function Reference6.3 Function Reference_9812_InitialDescriptionInitializes the PCI-9812/9810 card. Each PCI-9812/9810 card hasto be initialized by

Function Reference 49Return Code(s)PCICardNumErrPCIBiosNotExistPCIBaseAddrErrNoError

50 Function Reference_9812_Close DescriptionCloses a previously initialized 9812/9810 card.SyntaxC/C++ (DOS)int _9812_Close (int card_number)C/C++ (Wi

Function Reference 51_9812_AD_DMA_Start DescriptionStarts an operation of A/D conversion N times with DMA datatransfer. It will take place in the bac

52 Function Referencebuff (DOS) Start address of the memory buffer that stores the A/D data. The buffer size must be larger than thenumber of A/D conv

Function Reference 53Return Code(s)PCICardNumErrPCICardNotInitInvalidDMACntBufNotDWordAlignDMATransferNotAllowedNoError

54 Function Reference_9812_AD_DMA_StatusDescriptionSince _9812_AD_DMA_Start is executed in the background, thefunction _9812_AD_DMA_Status can be used

Function Reference 55_9812_AD_DMA_StopDescriptionStops the DMA data transfer. After executing this function, the_9812_AD_DMA_Start function stops. Th

56 Function Reference_9812_Set_Clk_SrcDescriptionSpecifies the ADC clock source.SyntaxC/C++ (DOS)int _9812_Set_Clk_Src (int card_number, int clk_src,

Function Reference 57_9812_Set_Clk_RateDescriptionSpecifies the clock divider for the ADC clock. The value of theclock divider must be even and betwe

Table of Contents iTable of ContentsList of Tables... ivList of Figures ...

58 Function Reference_9812_Set_TrigDescriptionSets up the trigger. The function specifies the trigger mode, triggerlevel (voltage), trigger source, tr

Function Reference 59trig_pol Trigger slope.trig_lvl Trigger level. Refer to section 4.1.post_trig_cnt Post trigger count. This value is pre-loaded t

60 Function ReferenceW_9812_Alloc_DMA_MemDescriptionTells the Windows 95 system to allocate a block of contiguousmemory for DMA transfer. This functio

Function Reference 61W_9812_Free_DMA_MemDescriptionReleases a system DMA memory in Windows 95. This function isonly available for Windows 95.SyntaxC/

62 Function ReferenceW_9812_Get_SampleDescriptionFor languages without pointer support such as Visual Basic, pro-grammers can use this function to acc

Calibration 637 CalibrationIn data acquisition, you must calibrate your measurement devicesto maintain accuracy. You can calibrate the analog input a

64 Calibration7.3 A/D CalibrationA/D Calibration for Channel 01. Apply a +1 V input signal to A/D channel 0 and trim VR5until the average reading of c

Software Utility 658 Software UtilityThe 9812util.exe included in the ADLINK all-in-One CD comeswith three functions: system configuration, calibrati

66 Software Utility8.2 System ConfigurationUse the functions in System Configuration <F1> to configure thePCI-9812/9810 card. The following scre

Software Utility 678.3 CalibrationThis function takes you through the card calibration process. Thecalibration program is a useful test for A/D, D/A,

ii Table of ContentsPost Trigger Counter Register ...23FIFO Status Register ...

68 Software UtilityFor example, if you select <3>, the following window appears:

Software Utility 698.4 Functional TestingThis tool tests the A/D functions of the card. When you selectFunction testing. <3> from the main menu

70 Software UtilityThe following diagram is a snapshot of the post-trigger testing.

Table of Contents iiiW_9812_Free_DMA_Mem ............ 61W_9812_Get_Sample ............