Measurement Computing Personal Daq rev.6.0 - Manual (Page 162)

B-30 API Commands Appendix B, 887095 Personal Daq User’s Manual
Table 1. daq Device Property Definitions daqGetDeviceProperties
Property Description Format
deviceType Main Chassis Device Type Definition DWORD
basePortAddress Not Used DWORD
dmaChannel Not Used DWORD
protocol Host computer Interface used DWORD
alias Device Alias Name STRING
maxAdChannels Maximum A/D channels (with full expansion) DWORD
maxDaChannels Not Used DWORD
maxDigInputBits Maximum Dig. Inputs (with full expansion) DWORD
maxDigOutputBits Maximum Dig. Outputs (with full expansion) DWORD
maxCtrChannels Maximum Counter/Timers (with full expansion) DWORD
mainUnitAdChannels Maximum Main Unit A/D channels (no expansion) DWORD
mainUnitDaChannels Not Used DWORD
mainUnitDigInputBits Maximum Main Unit Digital Inputs (no expansion) DWORD
mainUnitDigOutputBits Maximum Main Unit Digital Outputs (no expansion) DWORD
mainUnitCtrChannels Maximum Main Unit Counter/Timer channels (no exp.) DWORD
adFifoSize Not Used DWORD
daFifoSize Not Used DWORD
adResolution Maximum A/D Converter Resolution DWORD
daResolution Not Used DWORD
adMinFreq Minimum Scan Frequency (Hz) FLOAT
adMaxFreq Maximum Scan Frequency (Hz) FLOAT
daMinFreq Not Used FLOAT
daMaxFreq Not Used FLOAT
MainUnitCjcChannels Number of CJC channels on the main unit DWORD
TotalCjcChannels Number of CJC channels in the system DWORD
SerialNumber Serial Number for the device DWORD
ExpansionUnits Number of expansion units DWORD
SubDeviceType Type of expansion unit DWORD
Table 2. General I/O Definitions
Digital I/O Port Connections devPort - daqIODevicePort
Personal Daq Port Value Description
DiodpPdaqPort1 00h Local Port 1
DiodpPdaqPort2 01h Local Port 2
DiodpPdaqExpPort1 02h Expansion Port 1 (PDQ Option)
DiodpPdaqExpPort2 03h Expansion Port 2 (PDQ Option)
DiodpPdaqPowerUpPort1 10h Power-up Setting for Local Port 1
DiodpPdaqPowerUpPort2 11h Power-up Setting for Local Port 2
DiodpPdaqPowerUpExpPort1 12h Power-up Setting for Exp Port 1
DiodpPdaqPowerUpExpPort2 13h Power-up Setting for Exp Port 2
I/O Port Type devType - daqIODeviceType
Personal Daq Type Value Description
DiodtPdaqDigIO 0ch For all units except Personal Daq/54
I/O Operation Code Definitions whichDevice
Personal Daq Device Value Description
Device Index Varies See daqOpenList function
whichExpPort - daqIOExpansionPort
Device Expansion Port 0 Field ignored for Personal Daq
daqIOOperationCode
DioocReadByte 0
DioocWriteByte 1 Note : daqIOOperationCode does not
DioocReadWord 2 apply to Personal Daq/54.
DioocWriteWord 3
DioocReadDWord 4
DioocWriteDWord 5