QUOTE (ejensen @ Mar 19 2009, 09:25 AM)
You will need additional hardware in order to synchronize your two DMMs. The DMMs cannot generate a pulse you would need in order to do this. If it is another PXI device (CTR/Timer or MIO, etc.) you can route the pulses onto the backplane in which case the Trigger Source would be TTL0 - TTL7. If it is not a PXI device, you can use the front connector for the Trigger Source. I don't have NI-DMM installed but I believe the front connector terminal would be something like TrigIn.
If you are doing multipoint and want ALL points to be triggered, you will also need to set the Sample Trigger Source to the same terminal.
If you have any other questions, I can try to answer them.
Good luck,
Mark
Ex NI-DMM Software Developer