8 PWM signals with 9401

[Marshall1717]

Hello,

I am looking into producing 8 PWM signals using an NI-9401 in a cDAQ-9174. Ideally each PWM signal would be able to have a different duty cycle, but run at the same frequency (25kHz). From what I've read in the link below, I cannot accomplish this using counters.

https://forums.ni.com/t5/Digital-I-O/Compact-Daq-cDAQ-maximum-PWM-outputs-PWM-output-module/td-p/371...

I am thinking there is a way to do this by coding the digital outputs to run off the 20MHz hardware time base, but I'm not sure if this is feasible. I would appreciate it if someone could give me a quick answer as to whether my suggestion is possible or if I'm wasting my time.  

Thank you.

[Tepig]

The maximum number of counter task is only 4 on cDAQ-9174.

Number of Concurrent Tasks on a CompactDAQ Chassis Gen II

You can control PWM up to 4 but cannot more.

The capability of digital output depends on cDAQ chassis.

SPECIFICATIONS NI cDAQ™-9174

According to "Digital Waveform Characteristics",

"Digital output sample clock frequency" is up to 10MHz...