The use of variants in MS for VC++

I have a lot of problems programming nidaq components in VC++.
My problem is that I have to interact every 10 msec with 16 input channels, 8 output channels, 8 Digital inputs, and 8 digital outputs. The total time may not be longer than 1 msec in total.
I use two arrays, one for input and one for output.
My bords areCI6024E and PCI6713.
Why can't I find an example of simultanious driving 8 analog outputs with differant values. Lets say the outputs are twice the input voltages. Or the output for analog out1 is the sum of the 8 first inputs and the analog out2 is the sum of the last 8 inputs. This with events to synchronyse the whole.
Have program a realtime simulator for powerplants written in C++.I translates the RT sim to NI components and software (Labview).
My rt pxi turbine simulator for simulating grid incidents was succesfully used in a nuclear plant in 2006. Look at http://sine.ni.com/cs/app/doc/p/id/cs-755

I don't think you are going to be able to maintain those rates with software-timed control loops with that number of channels in Windows. You may need to explore an embedded solution with LabVIEW Real-time. For more information on LabVIEW Real-time, see our website here.
Best Regards,
Chris Matthews
National Instruments

Similar Messages

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    For Variants
    follow the link:
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    Variants allow you to save sets of input values for programs that you often start with the same selections. You can use them for any programs except subroutine pools (type S).
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    Variants: Overview
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    Displaying a Variant Overview
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    Creating Variants
    Attributes of Variants
    Changing Variants
    Deleting Variants
    Printing Variants
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    Creating Variables for Date Calculations
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    Creating User-specific Variables
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    Changing Values from the Program
    Fixed Values from Table TVARV
    Creating Table Variables from TVARV
    Changing TVARV entries
    Running a Program with a Variant
    Variants: Overview
    Use
    Whenever you start a program in which selection screens are defined, the system displays a set of input fields for database-specific and program-specific selections. To select a certain set of data, you enter an appropriate range of values.
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    Reports, module pools, and function groups may have several selection screens. It is therefore possible to create a variant for more than one selection screen.
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    Creating Variants
    Prerequisites
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