Measurement-computing Data Acquisition Systems rev.10.4 Manual do Utilizador

© 2003 through 2007 by IOtech 958293 Programmer’s Manual Producing Custom Software for Data Acquisition Systems IOtech 25971 Cannon Road Cl

Waveform Output from Disk: Uses dynamic waveform output to continuously update outputs from a file. The file is on a PC, which contains waveform out

Typical flags Settings Although the flags parameter may be constructed using any of the defined flags values, the following table illustrates how spe

Desired Channel Configuration Flag1 Flag2 Flag3 Notes Counter (32-bit-Low) Local P3 DafCtr32Low DafCtrPulse DafCtrRisingEdge (Default) Configures

Prototypes C/C++ daqAdcSetScan(DaqHandleT handle, PDWORD channels, DaqAdcGain *gains, PDWORD flags, DWORD chanCount); Visual BASIC VBdaqAdcSetScan&

daqAdcSetSetpoints Also See: daqAdcSetScan Format daqAdcSetSetpoints(handle, LimitA, LimitB, reserved, setpointFlags, setpointOutput, output1, out

setpointOutput - DaqSetpointOutputT Definition Description DsoNone Perform no outputs DsoP2PortC Output to P2 Port C when criteria met DsoDAC0 Outp

Returns For outside or inside window limits (DsfOutsideLimits, DsfInsideLimits) and for hysteresis (DsfHysteresis) Limit A must be greater than Limi

daqAdcSetTrig Also See: daqAdcSetAcq, daqAdcSetTrigEnhanced, daqAdcSetScan, daqSetTriggerEvent, daqAdcSoftTrig Format daqAdcSetTrig(handle, triggerSo

Function Usage This function has been obsoleted by the daqSetTriggerEvent function, and his presented here only as a reference. See daqSetTriggerEvent

daqAdcSetTrigEnhanced Also See: daqAdcSetAcq, daqAdcSetScan,daqAdcSetTrigEnhanced,daqSetTriggerEvent, daqAdcSoftTrig Format daqAdcSetTrigEnhanced(ha

Parameter Type Definitions trigSource-(DaqAdcTriggerSource) Definition Devices Description DatsImmediate All Post-trigger data acquisition begins im

API Programming - General Models 2 Data Acquisition Environment……2-1 Application Programming Interface (API) ……2-1 Hardware Capabilities and Constrai

Function Usage Enhanced trigger configuration available through the daqAdcSetTrigEnhanced command allows the device to detect a trigger start event fo

daqAdcSoftTrig Also See: daqAdcSetTrig daqAdcSetAcq Format daqAdcSoftTrig(handle) Purpose daqAdcSoftTrig is used to send a software trigger command t

daqAdcTransferBufData Also See: daqAdcTransferSetBuffer, daqAdcTransferGetStat, daqSetTimeout Format daqAdcTransferBufData(handle, buf, scanCount, bu

Function Usage Data Retrieval Buffer Upon completion of this function, the data retrieval buffer (buf) contains the requested data from the driver b

Returns DerrNoError No error Prototypes C/C++ daqAdcTransferBufData(DaqHandleT handle, PWORD buf, DWORD scanCount, DaqAdcBufferXferMask bufMask, P

daqAdcTransferGetStat Also See: daqAdcTransferSetBuffer, daqAdcTransferStart, daqAdcTransferStop, daqAdcSetDiskFile Format daqAdcTransferGetStat(ha

After the device’s FIFO has written m scans to a linear user allocated buffer, retCount equals m. The current data write position (in scans) within th

Prototypes C/C++ daqAdcTransferGetStat(DaqHandleT handle, PDWORD active, PDWORD retCount); Visual BASIC VBdaqAdcTransferGetStat&(ByVal handle&

daqAdcTransferSetBuffer Also See: daqAdcTransferStart, daqAdcTransferStop, daqAdcTransferGetStat, daqAdcSetAcq, daqAdcTransferBufData Format daqAdc

Function Usage Transfer Buffer Location The buf parameter is the address of the acquisition transfer buffer allocated by the application. If the app

2-2 API Programming, General Models 988594 Programmer’s Manual Signal Environment Important data acquisition concepts for programmers are liste

DatmUpdateSingle – This value specifies the update mode as a single sample. This setting allows the acquisition transfer buffer to be updated for each

where mod is defined as the integer remainder of performing an integer divide of retCount by scanCount. Detection of a buffer overrun condition is t

daqAdcTransferStart Also See: daqAdcTransferSetBuffer, daqAdcTransferGetStat, daqAdcTransferStop Format daqAdcTransferStart(handle) Purpose daqAdcTra

daqAdcTransferStop Also See: daqAdcTransferSetBuffer, daqAdcTransferGetStat, daqAdcTransferStart Format daqAdcTransferStop(handle) Purpose daqAdcTra

daqAutoZeroCompensate Also See: daqZeroSetup, daqZeroConvert, daqZeroSetupConvert, daqCvtTCSetup, daqCvtTCConvert, daqCvtTCSetupConvert Format d

Prototypes C/C++ daqAutoZeroCompensate(DaqAutoZeroCompT zero); Visual BASIC VBdaqAutoZeroCompensate&(ByVal zero&) Program References DBK19E

This page is intentionally blank. 4.2-70 Daq API Command Reference 988594 Programmer’s Manual

daqCalClearCalTable Also See: Other daqCal commands Format daqCalClearCalTable(handle,tableType,factoryKey) Purpose daqCalClearCalTable clears the fa

daqCalConvertAlso See: daqReadCalFile, daqCalSetup, daqCalSetupConvert Format daqCalConvert(handle, counts, scans) Purpose daqCalConvert performs the

daqCalGetCalEquation Also See: Other daqCal commands Format daqCalGetCalEquation(handle, chanConfig, tableType, calEquation) Purpose daqCalGetCalEqua

Programmer’s Manual 988594 API Programming, General Models 2-3 Here we are only configuring channels on the main unit. If configuring DBK expa

Prototypes C/C++ daqCalGetCalEquation(DaqHandleT handle,DaqCalChanConfigT pChanConfig, DaqCalTableTypeT tableType, DaqCalEquationT CalEquation); Vis

daqCalGetConstants Also See: daqCalSetConstants, daqCalSelectCalTable, daqCalSelectInputSignal, daqCalSaveConstants Format daqCalGetConstants(handle,

Function Usage Selecting the Calibration Constants to Retrieve Before calling this function, the daqOpen function should be used to open the device fr

daqCalPerformSelfCal Also See: Other daqCal commands Format daqCalPerformSelfCal(handle,chanConfig,calFlags) Purpose daqCalPerformSelfCal selects a c

daqCalSaveCalTable Also See: Other daqCal commands Format daqCalSaveCalTable(handle,tableType,factoryKey) Purpose daqCalSaveCalTable saves the calib

daqCalSaveConstants Also See: daqCalGetConstants, daqCalSetConstants, daqCalSelectInputSignal, daqCalSelectCalTable Format daqCalSaveConstants(handl

daqCalSelectCalTable Also See: daqCalGetConstants, daqCalSetConstants, daqCalSelectInputSignal, daqCalSaveConstants Format daqCalSelectCalTable(han

daqCalSelectInputSignal Also See: daqCalGetConstants, daqCalSetConstants daqCalSelectCalTable, daqCalSaveConstants Format daqCalSelectInputSignal(han

daqCalSetCalEquation Also See: Other daqCal commands Format daqCalSetCalEquation(handle,chanConfig,tableType, calEquation) Purpose daqCalSetCalEquati

Function Usage Used to set calibration constants. Prototypes C/C++ daqCalSetCalEquation(DaqHandleT handle,DaqCalChanConfigT chanConfig, DaqCalTableTy

3. Set the Acquisition Rate – How Fast Should Channels be Scanned? In this section we describe how to configure the rate at which data is acquired f

daqCalSetCalPoints Also See: Other daqCal commands Format daqCalSetCalPoints(handle,chanConfig,calData,tableType) Purpose daqCalSetCalPoints sets ca

Prototypes C/C++ daqCalSetCalPoints(DaqHandleT handle, DaqCalChanConfigT chanConfig, DaqCalUserCalDataT calData, DaqCalTableTypeT tableType); Visual

daqCalSetConstants Also See: daqCalGetConstants, daqCalSelectCalTable, daqCalSelectInputSignal, daqCalSaveConstants Format daqCalSetConstants(handle

Retrieving the Calibration Constants The gains and offsets constants for the handle, channel, gain and range entries selected are set for the device

daqCalSetup Also See: daqReadCalFile, daqCalConvert, daqCalSetupConvert Format daqCalSetup(handle, nscan, readingsPos, nReadings, chanType, chanGain

Returns DerrZCInvParam Invalid parameter value DerrNoError No error For more details on error messages refer to the Daq Error Table. Function Usag

Prototypes C/C++ daqCalSetup(DaqHandleT handle,DWORD nscan, DWORD readingsPos, DWORD nReadings, DcalType chanType, DaqAdcGain chanGain, DWORD startCha

daqCalSetupConvert Also See: daqReadCalFile, daqCalSetup, daqCalConvert Format daqCalSetupConvert(handle, nscan, readingsPos, nReadings, chanType, c

Parameter Type Definitions chanType - DcalType Definitions Channel Configuration Description DcalTypeDefault Any voltage channel Defines a calibrati

daqClose Also See: daqOpen Format daqClose(handle) Purpose daqClose is used to close a device. Parameter Summary Parameter Type Description handle

User Buffer Model Operation The User Buffer Model allows the user to specify either a linear buffer or circular buffer mode. When the linear buffer

daqCreateDevice Format daqCreateDevice(pDevInfo) Purpose daqCreateDevice creates a device in the Windows Registry using the specified device informati

Tcp – (DaqInfoTcpT) Definition Description Format IPMode IP Address connection mode (see DaqIPModeT table below) DaqIPModeT SerialNum Device se

PcCard – (DaqInfoPcCardT) Definition Description Format Socket PC Card socket number DWORD BasePortAddr Base port address DWORD InterruptLevel

daqCvtChannelType Format daqCvtChannelType (ChType, ChSubType, pChTypeStr, ChTypeStrSize) Purpose daqCvtChannelType converts a channel type and sub ty

daqCvtHardwareType Format daqCvtHardwareType (HwType, HwSubType, pHwTypeStr, HwTypeStrSize) Purpose daqCvtHardwareType converts a hardware type and su

daqCvtLinearConvert Also See: daqCvtLinearSetup, daqCvtLinearSetupConvert, daqCvtSetAdcRange Format daqCvtLinearConvert(counts, scans, fValues, nValu

Prototypes C/C++ daqCvtLinearConvert(PWORD counts, DWORD scans, PFLOAT fValues, DWORD nValues); Visual BASIC VBdaqCvtLinearConvert&(counts%, ByVal

daqCvtLinearSetup Also See: daqCvtLinearConvert, daqCvtLinearSetupConvert, daqCvtSetAdcRange Format daqCvtLinearSetup(nscan, readingsPos, nReadings,

Function Usage For all functions of the form daqCvt..., raw data to be converted must be unsigned (i.e., the dafUnsigned value must be set using the

daqCvtLinearSetupConvert Also See: daqCvtLinearConvert, daqCvtLinearSetup, daqCvtSetAdcRange Format daqCvtLinearSetupConvert(nscan, readingsPos

Driver Buffer Model Operation The Driver Buffer Model allows the flexibility of the User Buffer Model in Circular mode without the complication of ha

Parameter Type Definitions avg Definition Description avg = 0 Specifies block averaging--all scans are averaged together to compute a single value f

daqCvtRawDataFormat Also See: daqAdcSetDataFormat, daqAdcTransferSetBuffer Format daqCvtRawDataFormat(buf, action, lastRetCount, scanCount, chanCount)

The buf parameter specifies the pointer to the data buffer containing the raw data. Prior to calling this function, this user-allocated buffer should

daqCvtRtdConvert Also See: daqCvtRtdSetup, daqCvtRtdSetupConvert Format daqCvtRtdConvert(counts, scans, temp, ntemp) Purpose daqCvtRtdConvert takes r

Using Resistance Temperature Detectors (RTDs) Many devices can measure temperatures through use of DBK9 RTD expansion cards. Up to 8 RTDs can attach

daqCvtRtdSetup Also See: daqCvtRtdSetup, daqCvtRtdSetupConvert Format daqCvtRtdSetup(nscan, startPosition, nRtd, rtdType, avg) Purpose daqCvtRtdSet

Function Usage For all functions of the form daqCvt..., raw data to be converted must be unsigned (i.e., the dafUnsigned value must be set using the

daqCvtRtdSetupConvert Also See: daqCvtRtdSetup, daqCvtRtdConvert Format daqCvtRtdSetupConvert(nscan, startPosition, nRtd, rtdType, avg, counts, sca

Parameter Type Definitions RtdType-(RtdType) Definition Description Dbk9RtdType100 Value for a 100 ohm RTD Dbk9RtdType500 Value for a 500 ohm RTD Db

Prototypes C/C++ daqCvtRtdSetupConvert(DWORD nscan, DWORD startPosition, DWORD nRtd, RtdType rtdType, DWORD avg, PWORD counts, DWORD scans, PSHORT tem

Programmer’s Manual 988594 API Programming, General Models 2-7 It is good practice to enable the transfer of data into the buffer first by calli

daqCvtSetAdcRange Also See:daqCvtLinearSetup, daqCvtLinearConvert daqCvtLinearSetupConvert Format daqCvtSetAdcRange (Admin, Admax) Purpose daqCvtSet

daqCvtTCConvert and daqCvTCConvertF Also See: daqCvtTCSetup, daqCvtTCSetupConvert, daqCvtTCSetupConvertF Format daqCvtTCConvert(counts, scans, temp,

The daqCvtTCConvert takes raw A/D readings from a thermocouple (T/C) and converts them to temperature readings in tenths of degrees Celsius (0.1°C), s

Reading Scan Shorted Channels 0 1 2 3 1 V (ignored) V (ignored) CJC J1a J1b J1c 2 V (ignored) V (ignored) CJC J2a J2b J2c 3 V (ignored)

DBK81,DBK82,DBK83,DBK84 and DaqBook/2020 Gain Codes T/C Type Unipolar Gain Code Bipolar Gain Code Bipolar Gain Codes for Daq/2000 Series devices* a

When using gain values from the preceding tables to measure TCs, the following temperature ranges apply: Thermocouple mV Outputs For Temperature Range

daqCvtTCSetup Also See: daqCvtTCConvert, daqCvtTCConvertF, daqCvtTCSetupConvert, daqCvtTCSetupConvertF Format daqCvtTCSetup(nscan, cjcPosition, nt

Returns DerrTCE_TYPE Invalid thermocouple type DerrTCE_PARAM Parameter out-of-range DerrNoError No error For more details on error messages refer

The first reading of the scan is position 0, and the last reading is (nscan–1). The thermocouple signal readings must immediately follow the CJC readi

daqCvtTCSetupConvert and daqCvtTCSetupConvertF Also See: daqCvtTCConvert, daqCvtTCConvertF, daqCvtTCSetup Format daqCvtCSetupConvert(nscan, cjcPo

Monitoring User Buffer Model Transfers The User Buffer Model allows the user to specify either a linear buffer or circular buffer mode. When the li

Parameter Type Definitions tcType–(TCType) DBK19 and DBK52 Definition Description Dbk19TCTypeJ Specifies a Type J thermocouple Dbk19TCTypeK Spe

Returns DerrTCE_TYPE Invalid thermocouple type DerrTCE_PARAM Parameter out-of-range DerrNoError No error For more details on error messages refer

This page is intentionally blank. 4.3-56 Daq API Command Reference 908494 Programmer’s Manual

daqDacSetOutputMode Also See: daqDacWt, daqDacWtMany Format daqDacSetOutputMode(handle, deviceType, chan, outputMode) Purpose daqDacSetOutputMode se

Selecting the Output Channel The output channel for which to set the mode is determined by the chan and the deviceType parameters. The device type is

DdomStaticWave- Specifies static waveform/pattern output mode. This mode allows the generation of a non-streamed waveform output to the specified DAC/

When configuring the update transfer buffer via daqDacWaveSetBuffer in static mode, the update transfer buffer stores the update samples in a seperate

daqDacTransferGetStat Also See: daqDacWaveSetBuffer, daqDacTransferStart, daqDacTransferStop Format daqDacTransferGetStat(handle, deviceType, chan,

active Definition Description DdafWaveformActive A waveform/pattern output is active. The trigger may or may not yet have occurred, but the waveform

Putting it all together The following table shows a number of different scenarios (each assumes a total scan count of 1,000,000 output updates). These

Monitoring and Receiving Driver Buffer Model Data The Driver Buffer Model allows the flexibility of the User Buffer Model in Circular mode without t

daqDacTransferStart Also See: daqDacWaveSetBuffer, daqDacTransferGetStat daqDacTransferStop, daqDacWaveDisarm Format daqDacTransferStart(handle, dev

Function Usage The term waveform/pattern output is used extensively throughout the entries for the functions of the form daqDac…. This refers to an

daqDacTransferStop Also See: daqDacWaveSetBuffer, daqDacTransferGetStat, daqDacTransferStart, daqDacWaveDisarm Format daqDacTransferStop(handle, de

Function Usage The term waveform/pattern output is used extensively throughout the entries for the functions of the form daqDac…. This refers to an

daqDacWaveArm Also See: daqDacWaveDisarm Format daqDacWaveArm(handle, deviceType) Purpose daqDacWaveArm arms a waveform/pattern output for a

Before Invoking daqDacWaveArm This function requires that all waveform channels are properly set to the correct modes and that the waveform/pattern ou

Prototypes C/C++ daqDacWaveArm(DaqHandleT handle, DaqDacDeviceType deviceType); Visual BASIC VBdaqDacWaveArm&(ByVal handle&, ByVal deviceType&

daqDacWaveDisarm Also See: daqDacWaveArm Format daqDacWaveDisarm(handle, deviceType) Purpose daqDacWaveDisarm disarms a waveform/pattern output if o

daqDacWaveGetFreq Also See: daqDacWaveArm, daqDacWaveDisarm, daqDacWaveSetFreq Format daqDacWaveGetFreq(handle, deviceType, chan, freq) Purpose

Returns DerrNoError No error Function Usage The term waveform/pattern output is used extensively throughout the entries for the functions of the f

Documents Related to Daq Products Note: During software installation, Adobe® PDF versions of user’s manuals will automatically install onto y

Accessing and Changing a Device Name Using the Control Panel To change a device name by going through the Control Panel you: (1) Go to the Control P

daqDacWaveSetBuffer Also See: daqDacTransferStart, daqDacTransferStop Format daqDacWaveSetBuffer(handle, deviceType, chan, buf, scanCount, transfer

DerrNoError No error Function Usage The term waveform/pattern output is used extensively throughout the entries for the functions of the form daqDa

Dynamic Waveform/Pattern Mode with Circular Buffer If the waveform/pattern output mode has been defined to be dynamic (see daqDacSetOutputMode) and a

The transfer output buffer is organized into update data blocks. When the output update clock fires, the next available update data block is loaded fr

Prototypes C/C++ daqDacWaveSetBuffer(DaqHandleT handle, DaqDacDeviceType deviceType, DWORD chan, PWORD buf, DWORD scanCount, DWORD transferMask); Visu

daqDacWaveSetClockSource Also See: daqDacWaveSetFreq, daqDacWaveGetFreq Format daqDacWaveSetClockSource(handle, deviceType, chan, clockSource) Purpo

clockSource-(DaqDacClockSource) Note: For daq9513 specific commands [used only for DaqBoard and DaqBooks of the 100 and 200 Series] refer to Append

Returns DerrNoError No error Function Usage The term waveform/pattern output is used extensively throughout the entries for the functions of the

daqDacWaveSetDiskFile Also See: daqDacWaveSetBuffer, daqDacSetOutputMode, daqDacTransferGetStat Format daqDacWaveSetDiskFile(handle, deviceType, c

Parameter Type Definitions deviceType–(DaqDacDeviceType) Definition Chan Value Description 0 Start the transfer of waveform/pattern output data where

Daq device errors will send the program into the error handling routine. This is the error handler. Program control is sent here on error. ErrorHand

Function Usage The term waveform/pattern output is used extensively throughout the entries for the functions of the form daqDac…. This refers to an

The driver will automatically calculate the number of complete output update cycles in the file using the offset information, the number of channel

Update/Sample Data Format The dataFormat parameter allows the selection of the format of the output sample data that applies to the file. The file mu

Prototypes C/C++ daqDacWaveSetDiskFile(DaqHandleT handle, DaqDacDeviceType deviceType, DWORD chan, LPSTR filename, DWORD numUpdateCycles, DWORD Offset

daqDacWaveSetFreq Also See: daqDacWaveGetFreq, daqDacWaveSetClockSource Format daqDacWaveSetFreq(handle, deviceType, chan, freq) Purpose daqDa

Function Usage The term waveform/pattern output is used extensively throughout the entries for the functions of the form daqDac…. This refers to an

daqDacWaveSetMode Also See: daqDacWaveSetTrig, daqDacWaveSetFreq Format daqDacWaveSetMode(handle, deviceType, chan, mode, updateCount) Purpose daq

Function Usage The term waveform/pattern output is used extensively throughout the entries for the functions of the form daqDac…. This refers to an

daqDacWaveSetPredefWave Also See: daqDacWaveSetUserWave Format daqDacWaveSetPredefWave(handle, deviceType, chan, waveType, amplitude, offset, dutyCy

Parameter Type Definitions deviceType–(DaqDacDeviceType) Definition chan Value Description 0 Start the transfer of waveform/pattern output data where

The program will then collect one sample of channels 0 through 7 using the VBdaqAdcRdScan function. ret& = VBdaqAdcRdScan&(handle&,0, 7, b

Prototypes C/C++ daqDacWaveSetPredefWave(DaqHandleT handle, DaqDacDeviceType deviceType, DWORD chan, DaqDacWaveType waveType, DWORD amplitude, DWORD o

daqDacWaveSetTrig Also See: daqDacWaveSetMode Format daqDacWaveSetTrig(handle, deviceType, chan, triggerSource, rising) Purpose daqDacWaveSetTrig s

Returns DerrNoError No error Function Usage The term waveform/pattern output is used extensively throughout the entries for the functions of the for

daqDacWaveSetUserWave Also See: daqDacWaveSetPredefWave Format daqDacWaveSetUserWave(handle, deviceType, chan) Purpose daqDacWaveSetUserWave config

Function Usage The term waveform/pattern output is used extensively throughout the entries for the functions of the form daqDac…. This refers to an

daqDacWaveSoftTrig Also See: daqDacWaveSetTrig Format daqDacWaveSoftTrig(handle, deviceType, chan) Purpose daqDacWaveSoftTrig activates a software

Function Usage The term waveform/pattern output is used extensively throughout the entries for the functions of the form daqDac…. This refers to an

daqDacWt Also See: daqDacWtMany Format daqDacWt(handle, deviceType, chan, dataVal) Purpose daqDacWt sets the output value of a local or expansion DA

Selecting the Output Channel The chan and the deviceType parameters determine which output channel’s voltage will be set. The device type is represe

daqDacWtMany Also See: daqDacWt Format daqDacWtMany(handle, deviceTypes, chans, dataVals, count) Purpose daqDacWtMany sets the output values of

Programmer’s Manual 988594 API Programming, General Models 2-13 Next, set the internal sample rate to 1 kHz. ret& = VBdaqAdcSetFreq&(han

Function Usage The channels specified by the daqDacWtMany function must be the appropriate DAC channel types, and the channels must have been configur

daqDefaultErrorHandlerAlso See: daqGetLastError, daqProcessError, daqSetDefaultErrorHandler Format daqDefaultErrorHandler(handle, errCode) Purpose

4.5-2 Daq API Command Reference 908794 Programmer’s Manual daqDeleteDevice Format daqDeleteDevice(AliasName) Purpose daqDeleteDevice deletes the

daqFormatError Also See: daqSetDefaultErrorHandler, daqSetErrorHandler, daqProcessError, daqGetLastError, daqDefaultErrorHandler Format daqFormatErr

4.5-4 Daq API Command Reference 908794 Programmer’s Manual daqGetChannelType Format daqGetChannelType(handle, chan, option, pChSubType) Purpose

Programmer’s Manual 908794 Daq API Command Reference 4.5-5 daqGetDeviceCount Also See: daqGetDeviceList, daqOpen Format daqGetDeviceCount (d

4.5-6 Daq API Command Reference 908794 Programmer’s Manual daqGetDeviceInfo Format daqGetDeviceInfo(handle, pDevInfo) Purpose daqGetDeviceInfo g

Programmer’s Manual 908794 Daq API Command Reference 4.5-7 daqGetDeviceInventory Format daqGetDeviceInventory(pInfoList, pInfoListCount, pMatch

4.5-8 Daq API Command Reference 908794 Programmer’s Manual Returns DerrNoError if successful or a DaqError error code (see the DaqError table at

Programmer’s Manual 908794 Daq API Command Reference 4.5-9 daqGetDeviceList Also See: daqGetDeviceCount, daqOpenFormat daqGetDeviceList (de

Indefinite Acquisition, Direct-To-Disk Using Circular Buffers This program demonstrates the use of circular buffers in cycle mode to collect analog i

daqGetDeviceProperties Format daqGetDeviceProperties(daqName, deviceProps) Purpose daqGetDeviceProperties returns the properties for a specified de

Programmer’s Manual 908794 Daq API Command Reference 4.5-11 Function Usage Passing the name of the device in the daqName parameter specifies th

4.5-12 Daq API Command Reference 908794 Programmer’s Manual daqGetDriverVersion Also See: daqGetHardwareInfo Format daqGetDriverVersion (versi

Programmer’s Manual 908794 Daq API Command Reference 4.5-13 daqGetHardwareInfo Also See: daqGetDriverVersion, daqOpen Format daqGetHardwa

4.5-14 Daq API Command Reference 908794 Programmer’s Manual Hardware Sub Type Definitions typedef enum { // a hardware sub type of DaqSubTy

Programmer’s Manual 908794 Daq API Command Reference 4.5-15 // sub types for the UsbDaqDevice main type DaqSubTypeUnknownUsbDaqDevice = 0,

DhiProtocol Definition Description DaqProtocolNone Communications not established DaqProtocol4 Standard LPT Port 4-bit mode DaqProtocol8 Standard L

Programmer’s Manual 908794 Daq API Command Reference 4.5-17 daqGetHardwareType Format daqGetHardwareType(handle, pHwSubType) Purpose daqGetHard

4.5-18 Daq API Command Reference 908794 Programmer’s Manual daqGetInfo Also See: daqGetDriverVersion, daqOpen, daqGetHardwareInfo Format daqGet

Programmer’s Manual 908794 Daq API Command Reference 4.5-19 (continued) Definition Description DdiSerialNumber Serial Number String DdiAdcClo

Programmer’s Manual 988594 API Programming, General Models 2-15 Dim handle&, ret&, channels&(8), gains&(8) flags&(8) Dim buf

4.5-20 Daq API Command Reference 908794 Programmer’s Manual The following table lists the possible return values when DaqGetInfo is set to DdiCh

Programmer’s Manual 908794 Daq API Command Reference 4.5-21 The following tables give the possible return values when DaqGetInfo is set to DdiH

4.5-22 Daq API Command Reference 908794 Programmer’s Manual DdiChSubTypeInfo Value Returned DaqSubTypeDefault Default Sub type DaqSubTypeDa

daqGetLastError Also See: daqDefaultErrorHandler, daqProcessError, daqSetDefaultErrorHandler Format daqGetLastError (handle, errCode) Purpose da

daqIOGet8255Conf Also See: daqIORead, daqIOReadBit, daqIOWrite, daqIOWriteBit, daqSetOption Format daqIOGet8255Conf(handle, portA, portB, portCHigh

Programmer’s Manual 908794 Daq API Command Reference 4.5-25 Prototypes C/C++ daqIOGet8255Conf(DaqHandleT handle, BOOL portA, BOOL portB, BOOL p

4.5-26 Daq API Command Reference 908794 Programmer’s Manual daqIORead Also See: daqIOReadBit, daqIOWrite, daqIOWriteBit, daqSetOption Format da

Programmer’s Manual 908794 Daq API Command Reference 4.5-27 devPort–(DaqIODevicePort) Definition Description Local Bit I/O DiodpBitIO P2 – Add

Expansion I/O There are several expansion options (DBK2x) that allow the DIO to be expanded on the main unit of the device. These expansion units op

Programmer’s Manual 908794 Daq API Command Reference 4.5-29 Prototypes C/C++ daqIORead(DaqHandleT handle, DaqIODeviceType devType, DaqIODeviceP

Both the acquisition and the transfer are now currently active. The transfer to disk will continue indefinitely until terminated by the application.

4.5-30 Daq API Command Reference 908794 Programmer’s Manual daqIOReadBit Also See: daqIORead, daqIOWrite, daqIOWriteBit Format daqIOReadBit(hand

devPort-(DaqIODevicePort) Definition Description Local Bit I/O DiodpBitIO P2 – Addressing by bit P2 Sequential 8-Bit Addressing DiodpP2Local8 P2 –

Local I/O Those devices which support the P2 port have built-in Intel 8255C chips which can be used as general purpose I/O. The 8255C has 3 configura

Programmer’s Manual 908794 Daq API Command Reference 4.5-33 Example of Calculating “whichDevice” for three DBK20 P2 Exp 8255-1 Port C banks. F

4.5-34 Daq API Command Reference 908794 Programmer’s Manual daqIOWrite Also See: daqIORead, daqIOReadBit, daqIOWriteBit . Format daqIOWrite(hand

devPort–(DaqIODevicePort) Definition Description Local Bit I/O DiodpBitIO P2 – Addressing by bit P2 Sequential 8-Bit Addressing DiodpP2Local8 P2 –

Local I/O Those devices which support the P2 port have built-in Intel 8255C chips which can be used as general purpose I/O. The 8255C has 3 configur

Programmer’s Manual 908794 Daq API Command Reference 4.5-37 Example of Calculating “whichDevice” for three DBK20 P2 Exp 8255-1 Port C banks. F

4.5-38 Daq API Command Reference 908794 Programmer’s Manual daqIOWriteBit Also See: daqIORead, daqIOReadBit, daqIOWrite Format daqIOWriteBit(ha

Programmer’s Manual 908794 Daq API Command Reference 4.5-39 devPort-(DaqIODevicePort) Definition Description Local Bit I/O DiodpBitIO P2 – Add

Programmer’s Manual 988594 API Programming, General Models 2-17 Assuming the voltage reference is connected to the internal default of 5 V, the

Some devices, such as the DaqBook/2000 Series, DaqLab/2000 Series, DaqScan/2000 Series, DaqBoard/2000 Series [and 2000c Series] products, can also acc

Programmer’s Manual 908794 Daq API Command Reference 4.5-41 Prototypes C/C++ daqIOWriteBit(DaqHandleT handle, DaqIODeviceType devType, DaqIODev

4.5-42 Daq API Command Reference 908794 Programmer’s Manual daqOnline Also See: daqOpen, daqClose Format daqOnline(handle, online) Purpose daqOn

daqOpen Also See: daqClose, daqOnline Format daqOpen(LPSTR daqName) Purpose daqOpen opens an installed device for operation. Parameter Summary Para

• Enter a device name in the text box, or use the default “DaqBoard2K0.” Device Name is for identifying the specific DaqBoard/2000 Series board [ or

daqProcessError Also See: daqSetDefaultErrorHandler, daqGetLastError, daqDefaultErrorHandler Format daqProcessError (handle, errCode) Purpose daqP

daqReadCalFile Also See: daqCalSetup, daqCalConvert, daqCalSetupConvert Format daqReadCalFile (handle, calfile) Purpose daqReadCalFile is the ini

daqSetDefaultErrorHandler Also See: daqDefaultErrorHandler, daqGetLastError, daqProcessError, daqSetErrorHandler Format daqSetDefaultErrorHandler(

daqSetErrorHandler Also See: daqSetDefaultErrorHandler, daqDefaultErrorHandler, daqGetLastError, daqProcessError Format vdaqSetErrorHandler (hand

Programmer’s Manual 908594 Daq API Command Reference 4.6-1 daqSetOptionAlso See: daqAdcExpSetBank Format daqSetOption (handle, chan, flags

Generating DAC FIFO Waveforms This program demonstrates the use of the DAC FIFO to generate waveforms. The DAC is configured for output on both chann

4.6-2 Daq API Command Reference 957193 Programmer’s Manual (DBK4 Continued) Option Type (optionType) Description Option Value (optionValue) Desc

Programmer’s Manual 908594 Daq API Command Reference 4.6-3 optionType-DaqOptionType continued Option Type (optionType) Description Option Valu

4.6-4 Daq API Command Reference 908594 Programmer’s Manual Option Type and Value Definitions Continued--DaqOptionType Digital I/O, Counter and

Programmer’s Manual 908594 Daq API Command Reference 4.6-5 Option Type and Value Definitions Continued--DaqOptionType 3000 Series Device Optio

4.6-6 Daq API Command Reference 908594 Programmer’s Manual Option Type and Value Definitions Continued--DaqOptionType 3000 Series Device Option

Programmer’s Manual 908594 Daq API Command Reference 4.6-7 Option Type and Value Definitions Continued--DaqOptionType 3000 Series Device Optio

4.6-8 Daq API Command Reference 908594 Programmer’s Manual Option Type and Value Definitions Continued--DaqOptionType 3000 Series Device Option

Programmer’s Manual 908594 Daq API Command Reference 4.6-9 Option Type and Value Definitions Continued--DaqOptionType 3000 Series Device Optio

4.6-10 Daq API Command Reference 908594 Programmer’s Manual Option Type and Value Definitions Continued--DaqOptionType WaveBook/516 and WBK12/1

Programmer’s Manual 908594 Daq API Command Reference 4.6-11 Option Type and Value Definitions Continued--DaqOptionType WBK14 Options Option Ty

Digital I/O on P2 This program demonstrates the functions controlling digital I/O on the P2 connector of the device. First, the 3 digital ports on t

4.6-12 Daq API Command Reference 908594 Programmer’s Manual Option Type and Value Definitions -- DaqOptionType WBK16 Options Option Type (option

Programmer’s Manual 908594 Daq API Command Reference 4.6-13 Option Type and Value Definitions Continued--DaqOptionType WBK16 Options Option Ty

4.6-14 Daq API Command Reference 908594 Programmer’s Manual Option Type and Value Definitions Continued--DaqOptionType WBK17 Options Option Typ

Programmer’s Manual 908594 Daq API Command Reference 4.6-15 Option Type and Value Definitions Continued--DaqOptionType WBK17 Options (continue

4.6-16 Daq API Command Reference 908594 Programmer’s Manual Option Type and Value Definitions Continued--DaqOptionType WBK17 Options (continued

Programmer’s Manual 908594 Daq API Command Reference 4.6-17 Option Type and Value Definitions Continued--DaqOptionType WBK17 Options (continue

4.6-18 Daq API Command Reference 908594 Programmer’s Manual Option Type and Value Definitions Continued--DaqOptionType WBK17 Options (continued

Programmer’s Manual 908594 Daq API Command Reference 4.6-19 Option Type and Value Definitions Continued--DaqOptionType WBK17 Options (continue

4.6-20 Daq API Command Reference 908594 Programmer’s Manual Option Type and Value Definitions Continued--DaqOptionType WBK18 Options (continued)

Programmer’s Manual 908594 Daq API Command Reference 4.6-21 Option Type and Value Definitions Continued--DaqOptionType WBK18 Options (continue

How to use this Manual This manual is for individuals who write their own programs. If you prefer to use existing out-of-the box software such as Daq

For x% = 0 To 3 ret& = VBdaqIOReadBit&(handle&, DiodtLocal8255&,_ Diodp8255CLow&, 0, 0, x%, bitVal&) Print "T

4.6-22 Daq API Command Reference 908594 Programmer’s Manual Prototypes C/C++ daqSetOption(DaqHandleT handle, DWORD chan, DWORD flags, DaqOptionT

daqSetTimeout Also See: daqWaitForEvent, daqWaitForEvents, daqAdcTransferBufData, daqAdcRdN Format daqSetTimeout (handle, mSecTimeout) Purpose daq

4.6-24 Daq API Command Reference 908594 Programmer’s Manual daqSetTriggerEvent Also See: daqAdcSetScan, daqAdcSetTrig, daqAdcSetTrigEnhanced

Programmer’s Manual 908594 Daq API Command Reference 4.6-25 Parameter Type Definitions triggerSource-(DaqAdcTriggerSource) Definition Descrip

The data ranges described in the following table represent the maximum range over which the level and variance parameters can be set for the channe

Programmer’s Manual 908594 Daq API Command Reference 4.6-27 Function Usage Defining the Trigger Channel The channel parameter selects the trigg

Setting the Trigger Level The level parameter is used for those trigger types who depend on an input channel comparison to detect the trigger start

The range of trigger values defined by the variance and level parameters depends also upon the trigSensitivity setting and the type of input channel t

4.6-30 Daq API Command Reference 908594 Programmer’s Manual Prototypes C/C++ daqSetTriggerEvent(DaqHandleT handle, DaqAdcTriggerSource trigSourc

Programmer’s Manual 908594 Daq API Command Reference 4.6-31 daqTest Also See: DaqOpen Format daqTest(handle, command, count, cmdAvailable, resu

Programmer’s Manual 988594 API Programming, General Models 2-21 1. Locate the diskette containing the calibration constants file. 2. Configure

4.6-32 Daq API Command Reference 908594 Programmer’s Manual Function Usage Test types performed by the daqTest function vary; test results are b

Programmer’s Manual 908594 Daq API Command Reference 4.6-33 Prototypes C/C++ daqTest(DaqHandleT handle, DaqTestCommand command, DWORD count, PB

4.6-34 Daq API Command Reference 908594 Programmer’s Manual daqWaitForEvent Also See: daqWaitForEvents, daqSetTimeout Format daqWaitForEvent(

Programmer’s Manual 908594 Daq API Command Reference 4.6-35 daqWaitForEvents Also See: daqWaitForEvent,

4.6-36 Daq API Command Reference 908594 Programmer’s Manual Prototypes C/C++ daqWaitForEvents(DaqHandleT *handles, DaqTransferEvent *events, DWO

daqZeroConvert Also See: daqZeroSetup,daqZeroSetupConvert daqAutoZeroCompensate Format daqZeroConvert (counts, scans) Purpose daqZeroConvert

daqZeroSetup Also See: daqZeroConvert,daqZeroSetupConvert, daqAutoZeroCompensate Format daqZeroSetup (nscan, zeroPos, readingsPos, nReadings) Purpo

daqZeroSetupConvert Also See: daqZeroSetup, daqZeroConvert, daqAutoZeroCompensate Format daqZeroSetupConvert (nscan, zerroPos, readingsPos, nRead

4.6-40 Daq API Command Reference 908594 Programmer’s Manual Prototypes C/C++ daqZeroSetupConvert(DWORD nscan, DWORD zeroPos, DWORD readingsPos,

Programmer’s Manual 908594 Daq API Command Reference 4.7-1 API Error Codes - daqError Error Name Code # hex - dec Description DerrNoError

2-22 API Programming, General Models 988594 Programmer’s Manual Now configure the Daq device with this information, and read 5 scans of data:

4.7-2 Daq API Command Reference 908594 Programmer’s Manual API Error Codes (Cont.) – daqError Error Name Code # hex - dec Description DerrInvC

Programmer’s Manual 908594 Daq API Command Reference 4.7-3 API Error Codes (Cont.) – daqError Error Name Code # hex - dec Description DerrIn

4.7-4 Daq API Command Reference 908594 Programmer’s Manual API Error Codes (Cont.) – daqError Scanned Input Transfers Error Name Code # hex - d

Programmer’s Manual 908594 Daq API Command Reference 4.7-5 API Error Codes (Cont.) – daqError Error Name Code # hex - dec Description DerrI

4.7-6 Daq API Command Reference 908594 Programmer’s Manual API Error Codes (Cont.) – daqError Channel Bank/Option Errors Error Name Code # he

Programmer’s Manual 908594 Daq API Command Reference 4.7-7 API Error Codes (Cont.) – daqError Error Name Code # hex - dec Description DerrF

4.7-8 Daq API Command Reference 908594 Programmer’s Manual API Error Codes (Cont.) – daqError Error Name Code # hex - dec Description DerrBufT

Programmer’s Manual 908594 Daq API Command Reference 4.7-9 API Error Codes (Cont.) – daqError Error Name Code # hex - dec Description Derr

4.7-10 Daq API Command Reference 908594 Programmer’s Manual API Error Codes (Cont.) – daqError Error Name Code # hex-dec Description DerrDaqS

Programmer’s Manual 908594 Daq API Command Reference 4.7-11 API Error Codes (Cont.) – daqError Error Name Code # hex-dec Description DerrDa

Zero Compensation Zero compensation removes offset errors while a program is running. This is useful in systems where the offset of a channel may cha

4.7-12 Daq API Command Reference 908594 Programmer’s Manual API Error Codes (Cont.) – daqError Error Name Code # hex-dec Description DerrDacBu

Programmer’s Manual 908594 Daq API Command Reference 4.7-13 API Error Codes (Cont.) – daqError Error Name Code # hex-dec Description DerrSe

908494 Programmer’s Manual This page is intentionally blank.

Programmer’s Manual 988294 Porting Applications A-1 Appendix A A Appendix A was removed due to outdated material.

A-2 Porting Applications 988294 Programmer’s Manual

Programmer’s Manual 939198 Using Borland C++ B-1 Appendix B – Using Borland C++ B This appendix illustrates beginning a project

B-2 Using Borland C++ 939198 Programmer’s Manual

Programmer’s Manual 958293 Custom OEM Installation C-1 Custom OEM Installation C This appendix consists of two parts. Both outline the procedu

Part 2 – Non-USB Devices Operating under Windows 9x, Me, or Windows NT, 2000, XP Systems Installation by OEM excludes TempBook, Daq PC-Card, Pers

Installation Locations: Place all .DLLs and .CPLs into C:\Windows\System (9X/Me) or C:\Windows\System32 (NT/2000/XP) Place all .VxDs into C:\Windows\

2-24 API Programming, General Models 988594 Programmer’s Manual Public Sub ZeroComp() ' Performs zero compensation on ADCs readings Const

C-4 Custom OEM Installation 958293 Programmer’s Manual This page is intentionally blank.

Appendix D daq9513… Commands D API Programming Model for 9513 Counter-Timer Chip Devices …… D-1 daq9513GetHold …… D-3 daq9513MultCtrl ……

D-2 9513 Counter-Timer 938295 Programmer’s Manual Initialize the 9513 master mode register fout divider: 10, fout source: DcsF2 (100 kHz), compa

daq9513GetHoldAlso See: daq9513SetCtrMode Format daq9513GetHold(handle, deviceType, whichDevice, ctrNum, ctrVal) Purpose daq9513GetHold reads the hold

D-4 9513 Counter-Timer 938295 Programmer’s Manual daq9513MultCtrl Also See: daq9513SetCtrMode, daq9513SetMasterMode Format daq9513MultCtrl(handl

Returns DerrInvCtrCmd Invalid counter command DerrNotCapable No 9513 available DerrNoError No error For more details on error messages,

daq9513SetAlarm Also See: daq9513SetMasterMode Format daq9513SetAlarm(handle, deviceType, whichDevice, alarmNum, alarmVal); Purpose daq9513SetAlarm se

Programmer’s Manual 938295 9513 Counter-Timer Commands D-7 daq9513SetCtrMode Also See: daq9513SetHold,daq9513MultCtrl Format daq9513SetCtrMode (

Parameter Type Definitions gateCtrl-(Daq9513GatingControl) Definition Description DgcNoGating Gating disabled DgcHighTCNM1 Active level high of TC tog

Programmer’s Manual 938295 9513 Counter-Timer Commands D-9 Function Usage Input/Output Parameters The gate control (gateCtrl) parameter dictates

IntToUint = intval Else IntToUint = 65535 + CLng(intval) + 1 End If End Function Linear Conversion Several DBKs use conversions from A/D read

D-10 9513 Counter-Timer 938295 Programmer’s Manual The count type (cntType) parameter selects either binary or binary-coded decimal (BCD) counti

Programmer’s Manual 938295 9513 Counter-Timer Commands D-11 Prototypes C/C++ daq9513SetCtrMode(DaqHandleT handle, DaqIODeviceType deviceType, DWO

daq9513SetHold Also See: daq9513SetCtrMode, daq9513SetMasterMode Format daq9513SetHold (handle, deviceType, whichDevice, ctrNum, ctrVal) Purpose daq

daq9513SetLoad Also See: daq9513SetCtrMode, daq9513SetMasterMode Format daq9513SetLoad (handle, deviceType, whichDevice, ctrNum, ctrVal) Purpose daq9

D-14 9513 Counter-Timer 938295 Programmer’s Manual daq9513SetMasterMode Also See: daq9513SetLoad, daq9513MultCtrl, daq9513GetHold, daq9513SetCtr

Parameter Type Definitions cntSource-(Daq9513CountSource) Definition Description DcsTcnM1* TC toggled output of previous (N-1) counter DcsSrc1 Counter

daq9513SetCtrMode function). When either the output control is high, the terminal count pulsed, or the terminal count toggled, then the output will b

Programmer’s Manual 938295 9513 Counter-Timer Commands D-17 Prototypes C/C++ daq9513SetMasterMode(DaqHandleT handle, DaqIODeviceType deviceType,

D-18 9513 Counter-Timer 938295 Programmer’s Manual This page is intentionally blank.

Programmer’s Manual 986896 Glossary G-1 Glossary This list of terms is intended to give a brief background on some of the terms

2-26 API Programming, General Models 988594 Programmer’s Manual Public Sub LinearConvert() Dim buffer1%(80), buffer2%(80), flags&(3), hz!(2

G-2 Glossary 986896 Programmer’s Manual Array A collection of quantities [of the same data type] that

Programmer’s Manual 986896 Glossary G-3 CJC (Cold Junction Compensation) Channel A Cold Junction Compensation channel is used to

G-4 Glossary 986896 Programmer’s Manual Disarm An action that disables the ability of the device to d

Programmer’s Manual 986896 Glossary G-5 Hold Register Represents the hold register of the 9513. Input Sample The data for a si

G-6 Glossary 986896 Programmer’s Manual Pointer The address of the value [or variable quantity] in memo

Programmer’s Manual 986896 Glossary G-7 Software Trigger A trigger event that is detected in the DaqX driver-software. These typ

G-8 Glossary 986896 Programmer’s Manual

Programmer’s Manual 908494 Using Multiple Devices 3-1 Using Multiple Devices 3 Overview…… 3-1 Asynchronous Operation ……3-1 Synchronous Operation

Using this model, each device needs to be opened and a device handle assigned. Here the Controlling Process would open each device session accordi

Programmer’s Manual 908494 Using Multiple Devices 3-3 Synchronous Operation of Multiple Devices The following sections describe methods for sync

viii 908494 Programmer’s Manual This page is intentionally blank.

4 Due to processing latencies, no software trigger sources should be used when attempting to do synchronous device acquisitions. When doing synchro

Programmer’s Manual 908494 Using Multiple Devices 3-5 Each device process is responsible for performing the following steps (in order): 1. Conf

The diagram below shows how the application should operate. Using this model, each device needs to be opened and a device handle assigned. Here th

Programmer’s Manual 908494 Using Multiple Devices 3-7 The Master Device Process should configure the Master Device by performing the following s

Using this model, each device needs to be opened and a device handle assigned. Here the Controlling Process would open each device session according

Daq API Command Reference 4 Overview …… 4.1-1 Command Information Layout...4.1-2 Predefined Parameter Definitions...4.1-4 Mask and Flag Def

Command Information Layout Note: The “daqAPICommand” name, used below, is for illustrative purposes only. daqAPICommand {the API Command name,

Prototypes The prototypes section contains examples in C/C++ or VisualBasic. Examples follow. C/C++ daqAPIcommand(DataTypeA parameter1, DataTyp

Predefined Parameter Definitions Many of the predefined parameter values available in the DaqX header files (.h, .bas, .pas) follow a naming conventio

Prefix Data Type Meaning Dacs… DaqAdcClockSource Acquisition clock (pacing) source definitions Darm… DaqAdcRateMode Rate mode selection (Period, F

Table of Contents 1- Introduction Programmer’s Manual 908494 ix API Features...1-1 Language Support...1-2 Driver Installation...1-2 A Note

Mask and Flag Definitions There are a number of parameter types which represent bit-masked values. These bit-masks are used to represent complex setti

Reading/Interpreting Mask and Flag Values Reading and interpretting mask and flag parameters returned by the DaqX driver can be a bit trickier. What

API Commands, Alphabetic Listing daqAdcArm daqAdcBufferRotate daqAdcCalcTrig daqAdcDisarm daqAdcExpSetBank daqAdcGetFreq daqAdcGetScan daqAdcRd daqAd

API Commands, Grouped by Function Many API commands cannot be used universally across all products. For example, a command that pertains only to ana

General Commands, continued Initialization (Device Initialization) daqClose daqCreateDevice daqDeleteDevice daqGetDeviceCount daqGetDeviceInfo daqGetD

ADC Commands Scan Settings, Expansion, Data Transfer, Triggering … Functional Category Command Arm and Disarm daqAdcArm daqAdcDi

DAC Waveform Commands Settings, Data Transfer, Waveform Control … Functional Category Command Arm and Disarm daqDacWaveArm daqDacWa

daqAdcArm Also See: daqAdcDisarm Format daqAdcArm(DaqHandleT handle); Purpose daqAdcArm arms an ADC acquisition by enabling the currently defined ADC

Prototypes C/C++ daqAdcArm(DaqHandleT handle); Visual BASIC VBdaqAdcArm&(ByVal handle&) Program References DAQADCEX1.CPP, DAQADCEX02.CPP, DAQ

daqAdcBufferRotate Also See: daqAdcTransferGetStat, daqAdcTransferSetBuffer Format daqAdcBufferRotate(handle, buf, scanCount, chanCount, retCount)

x 908494 Programmer’s Manual This page is intentionally blank.

Buffer Position 1 2 3 ... 39 40 41 42 ... 59 59 60 Scan 941 942 943 ... 979 980 981 982 ... 998 999 1000 If the total number of acquired scans

daqAdcCalcTrig Also See: daqSetTriggerEvent, daqAdcSetTrig Format daqAdcSetTrig(handle, bipolar, gainVal, voltageLevel, triggerLevel) Purpose daqAd

Prototypes C/C++ daqAdcCalcTrig(DaqHandleT handle, BOOL bipolar, FLOAT gainVal, FLOAT voltageLevel, PWORD triggerLevel); Visual BASIC VBdaqAdcCalcTrig

daqAdcDisarm Also See: daqAdcArm, daqAdcTransferStop Format daqAdcDisarm(handle) Purpose daqAdcDisarm disarms an ADC acquisition, if one is currently

daqAdcExpSetBank Also See: daqSetOption Format daqAdcExpSetBank(handle, chan, bankType) Purpose daqAdcExpSetBank internally programs intelligent DBK c

Prototypes C/C++ daqAdcExpSetBank(DaqHandleT handle, DWORD chan, DaqAdcExpType bankType); Visual BASIC VBdaqAdcExpSetBank&(ByVal handle&, ByVa

daqAdcGetFreq Also See: daqAdcSetFreq, daqAdcSetClockSource, daqAdcSetRate Format daqAdcGetFreq(handle, freq) Purpose daqAdcGetFreq reads the samplin

daqAdcGetScan Also See: daqAdcSetScan, daqAdcSetMux Format daqAdcGetScan(handle, channels, gains, flags, chanCount) Purpose daqAdcGetScan reads the cu

Prototypes C/C++ daqAdcGetScan(DaqHandleT handle, PDWORD channels, DaqAdcGain *gains, PDWORD flags, PDWORD chanCount); Visual BASIC VBdaqAdcGetScan&am

daqAdcRd Also See: daqAdcSetMux, daqAdcSetTrig, daqAdcSoftTrig Format daqAdcRd(handle, chan, sample, gain, flags) Purpose daqAdcRd takes a single rea

Introduction 1 API Features... 1-1 Language Support... 1-2 Driver Installation... 1-2 A Note Regarding Devices and API Command Applicability

daqAdcRdN Also See: daqAdcSetFreq, daqAdcSetMux, daqAdcSetClockSource, daqAdcSetTrig, daqSetTimeout Format daqAdcRdN(handle, chan, buf, scanCount, t

Returns DerrFIFOFull Buffer overrun DerrInvGain Invalid gain DerrIncChan Invalid channel DerrInvTrigSource Invalid trigger DerrInvLevel Inva

daqAdcRdScan Also See: daqAdcSetMux, daqAdcSetClockSource, daqAdcSetTrig, daqAdcRdN Format daqAdcRdScan(handle, startChan, endChan, buf, gain, flags)

Prototypes C/C++ daqAdcRdScan(DaqHandleT handle, DWORD startChan, DWORD endChan, PWORD buf, DaqAdcGain gain, DWORD flags); Visual BASIC VBdaqAdcRdSc

daqAdcRdScanN Also See: daqAdcSetMux, daqAdcSetClockSource, daqAdcSetTrig, daqAdcRdN Format daqAdcRdScanN(handle, startChan, endChan, buf, scanCount,

Returns DerrInvGain Invalid gain DerrInvChan Invalid channel DerrInvTrigSource Invalid trigger DerrInvLevel Invalid level DerrFIFOFull Buffe

daqAdcSetAcq Also See: daqAdcArm, daqAdcDisarm, daqAdcSetTrig Format daqAdcSetAcq(handle, mode, preTrigCount, postTrigCount) Purpose daqAdcSetAcq con

DaamNShotRearm -- Once triggered, this mode continues the acquisition for the specified post-trigger count, then re-arms the acquisition with the same

Prototypes C/C++ daqAdcSetAcq(DaqHandleT handle, DaqAdcAcqMode mode, DWORD preTrigCount, DWORD postTrigCount); Visual BASIC VBdaqAdcSetAcq&(ByVal

daqAdcSetClockSource Also See: daqAdcSetFreq, daqAdcGetFreq, daqAdcSetRate Format

Language Support The following three languages are supported: C/C++ Visual Basic The Programming Language Support folder is located i

Returns DerrNoError No error Prototypes C/C++ daqAdcSetClockSource(DaqHandleT handle, DaqAdcClockSource clockSource); Visual BASIC VBdaqAdcSetCloc

daqAdcSetDataFormat Also See: daqAdcSetMux, daqAdcSetClockSource, daqAdcSetTrig, daqAdcRdN Format daqAdcSetDataFormat(handle, rawFormat, postProc

Post-Acquisition Data Formats The postProcFormat parameter specifies the format for which post-acquisition data will be presented. It is only valid f

daqAdcSetDiskFile Also See: daqAdcTransferGetStat, daqAdcTransferSetBuffer, daqAdcTransferStart, daqAdcTransferStop Format daqAdcSetDiskFile(handle,

Function Usage The daqAdcSetDiskFile function sends acquisition scan data to a disk file specified by the user. Data written to the disk file is the s

daqAdcSetFreq Also See: daqAdcGetFreq, daqAdcSetClockSource, daqAdcSetRate Format daqAdcSetFreq(handle, freq) Purpose daqAdcSetFreq calculates and s

daqAdcSetMux Also See: daqAdcSetScan, daqAdcGetScan Format daqAdcSetMux(handle, startChan, endChan, gain, flags) Purpose daqAdcSetMux sets a simple sc

Prototypes C/C++ daqAdcSetMux(DaqHandleT handle, DWORD startChan, DWORD endChan, DaqAdcGain gain, DWORD flags); Visual BASIC VBdaqAdcSetMux&(ByVal

daqAdcSetRate Also See: daqAdcSetAcq, daqAdcSetTrig, daqAdcArm, daqAdcSetFreq, daqAdcGetFreq Format daqAdcSetRate(handle, mode, state, reqValue, ac

Setting the Scan Rate The daqAdcSetRate function sets the scan rate interval for a channel scan group. The scan rate is set by the reqValue paramete

Programmer’s Manual 908494 Introduction 1-3 Driver Installation Driver installation uses a 32-bit setup on a Windows 95/98/Me or Windows NT/200

Scan Rate State The state parameter indicates the acquisition state for which the channel scan rate applies. The possible values for this parameter a

Prototypes C/C++ daqAdcSetRate(DaqHandleT handle, DaqAdcRateMode mode, DaqAdcAcqState state, FLOAT reqValue, PFLOAT actualValue); Visual BASIC VBdaqAd

daqAdcSetScan Also See: daqAdcGetScan, daqAdcSetMux Format daqAdcSetScan(handle, channels, gains, flags, chanCount) Purpose daqAdcSetScan configures a

Counter Channel Flags (DaqBook/2000 Series; 1000, 2000, 3000 Series DaqBoards; DaqLab/2000 Series, DaqScan/2000 Series and cPCI DaqBoard/2000c Series,

gains—(DaqAdcGain) Base Unit Definition Description Applies to … DgainX1 Main Unit-signal gain x 1 Daq products. DgainX2 Main Unit-signal

DBK9 Dbk9VoltageA DBK9-RTD reading A Dbk9VoltageB DBK9-RTD reading B Dbk9VoltageC DBK9-RTD reading C Dbk9VoltageD DBK9-RTD reading D DBK12 Dbk12X1 DB

DBK18 Definition Description Dbk18X1 DBK18-signal gain x 1 DBK19 Bipolar1 Definition Description Dbk19BiCJC DBK19-Bipolar CJC Dbk19BiTypeJ DBK19

DBK52 Unipolar Definition Description Dbk52UniCJC DBK52-Unipolar CJC Dbk52UniTypeT DBK52-Unipolar Type T TC Dbk52UniTypeE DBK52-Unipolar Type E TC

Returns DerrNotCapable No digital or counter DerrInvGain Invalid gain DerrInvChan Invalid channel DerrNoError No error For more details on error

The chanCount parameter is not a configuration parameter in the same sense as the channels, gains and flags parameters—it simply represents the total