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Simultaneous Analog Output Tasks on the Same Device

Primary Software: Driver Software>>NI-DAQmx
Primary Software Version: 8.5
Primary Software Fixed Version: N/A
Secondary Software: N/A
Hardware: Multifunction DAQ (MIO)>>E Series, Multifunction DAQ (MIO)>>S Series, Multifunction DAQ (MIO)>>M Series

Problem:
When I try to do more than one analog output task at the same time for one device, I receive Error -50103 - specified resource is reserved. How can I perform multiple analog output tasks at the same time with one device?

Solution:
When using E, M, S, or AO Series DAQ devices, you can do one hardware-timed analog output task. However, most devices also support performing one or more software-timed tasks simultaneously with one hardware-timed task.

Inside of a hardware-timed task you can include multiple AO channels.  These channels will share the same timing information because they will share the AO sample clock.

This functionality allows the device to generate different signals with different timing characteristics at the same time on the same device.

Note: NI 672X devices do not support performing a hardware-timed task simultaneously with one or more software-timed tasks.

Related Links:
NI Developer Zone Example: NI-DAQmx: Multiple Analog Output Tasks Simultaneously

Attachments:





Report Date: 12/30/2005
Last Updated: 10/23/2007
Document ID: 3STFMI46

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