RE: simultaneous input output
Stephan, I had a quite similar problem some time ago - it was discussed in this list.. The best solution turned out using hardware synchronization of digital/DAC output to trigger line of ADC is an easiest way.. However, the major question is- how much time is actually allowed between simultaneous events.. Couple of microsecond is the best you can really expect from general purpose DAQ systems.. Mike -Original Message- From: Stephan Pirskawetz [SMTP:[EMAIL PROTECTED] Sent: Friday, February 13, 2004 9:19 AM To: [EMAIL PROTECTED] Subject: simultaneous input output Hi, I try to create analog output signals (sine waveform or somthing like that) using the NI PCI-6731. At the same time I want to read two or more analog signals from the NI PCI-6036E. When I start my Programm it first produces the output signal and after that it begins to read from the analog input. What I have to do to read and write simultaneous? Regards Stephan http://dict.leo.org/?p=2Ib6..search=simultaneous
simultaneous input output
Hi, I try to create analog output signals (sine waveform or somthing like that) using the NI PCI-6731. At the same time I want to read two or more analog signals from the NI PCI-6036E. When I start my Programm it first produces the output signal and after that it begins to read from the analog input. What I have to do to read and write simultaneous? Regards Stephan http://dict.leo.org/?p=2Ib6..search=simultaneous
simultaneous input output again
Hi Mike, thank you for your answer! Synchronizing the channels is not exactly what I have to do. It's better to describe the problem in detail: To control an hydraulic test stand I send a setpoint to an electric control unit. The setpoint signal needs an update rate of about 1 kHz. At the same time the answer of the test sytem must be displayed on a screen and saved in a file with a sampling rate of 10 to 100 Hz. My program has done it, but not simultaneously. At first it sends the complete output signal and then it reads the defined number of input sampels. On that time the input it is not an intresting signal. How I can read data from the NI PCI-6036E while I send the output function to the NI PCI-6731 ? A delay of some microseconds between input and output is no problem. Stephan
