4462 PCI gain is editable on the fly in VB 2005 express?

Hello

My current setup of chanil comes from shape:
myTask.AIChannels.CreateVoltageChannel (physicalChannelComboBox.Text, "", _)
AITerminalConfiguration.Differential, Convert.ToDouble (minimumValueNumeric.Value) _
Convert.ToDouble (maximumValueNumeric.Value), AIVoltageUnits.Volts)

Where 'physicalChannelComboBox.Text' = ' Dev1 / AI0:3.

This creats all channels at the same time, but I need to have different voltages, Min and Max.

This is a MAX 4462 configuration.

I'm doing this configuration in VB

MajorVersion, MinorVersion DAQmx]

        8       6       [DAQmxChannel]          AI.Coupling     AI.Max  AI.MeasType     AI.Min  AI.TermCfg      I.Voltage.Units ChanType        PhysicalChanName        PPI2/PrimaryVolts       DC              42      Voltage -42             Differential    Volts            Analog         Input   Dev1/ai0        PPI2/PrimaryCurrent     DC              0.316   Voltage -0.316          Differential    Volts            Analog         Input   Dev1/ai1        PPI2/SecondaryVolts     DC              31.6    Voltage -31.6           Differential    Volts            Analog         Input   Dev1/ai2        PPI2/SecondaryCurrent   DC              0.316   Voltage -0.316          Differential    Volts            Analog         Input   Dev1/ai3        [DAQmxTask]     Channels        SampClk.ActiveEdge      SampClk.Rate    SampClk.Src                     SampQuant.SampMode      SampQuant.SampPerChan   SampTimingType                                  Rising                  195000          Continuous Samples      2000                            ""                              Sample Clock    PPI2    PPI2/PrimaryVolts, PPI2/PrimaryCurrent, PPI2/SecondaryVolts, PPI2/SecondaryCurrent[DAQmxDevice]   BusType DevSerialNum    PCI.BusNum      PCI.DevNum      ProductNum      ProductType     Dev1                    PCI             0x127B518               0x5             0x6             0x7170  PCI-4462

I wish I could watch the values of data in time and change the gain/rainge of each channel while he was still recording data. How can I change the gain on the fly.

Thank you.
John

Yes, it will work.
Remember that you cannot change AI Min and Max during execution of the task.
Well well... unless you will not see a difference when running

Gavin Goodrich
Software engineer
National Instruments

Tags: NI Products

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