uptoolate

Unless the Omega website is incorrect, it seems the USB-1608GX model isn't listed for sale (though I can see it's present in some product documentation). Yes, I would prefer to have the GX model, but I could live with the slower G model if necessary. Just to clarify one point... does TracerDAQ-pro have the ability to A) use multiple USB devices, and also B) configure all of them to sample using an external TTL clock? If yes, then I can certainly drive 2 or more of the USB modules from the same external TTL clock source. I don't *have* to physically wire the sampling-signal in a daisy-chain fashion. That specific configuration detail isn't important to this task. Even if TracerDAQ can't merge the data captured from 2 USB modules into a single CSV file, I can deal with that in post-processing.

Description of my DAQ application for the “OM-USB-1608G” module: I would like to have 16, possibly 32, single-ended inputs. I understand this will require 2 or 4 of these modules, and also the TracerDAQ-Pro software, to be able to use all those input channels. Is this correct? I need to synchronize the analog samples to an external clock source. It would essentially be a TTL square-wave signal, from DC (system stopped) to about 110KHz. My understanding is that this module could sample at up to 250KHz if necessary, but I don’t think we’ll ever need to go that fast. If the external clock signal needs any special voltage levels, I can accommodate accordingly. As I would likely need to use 2 or 4 of the modules, the CLOCK-OUT from module-1 would need to be connected to the CLOCK-IN of any other modules, so they can all sample at the same time. OR, I could run the same external clock into all the CLOCK-IN terminals. The analog-voltages I need to monitor are likely to be about 1V P-P, possibly also 0-10V range. In any case, I can insert level-converting circuitry to safely accommodate the DAQ module. I haven’t used the TracerDAQ software yet – but I will need to ultimately export the analog samples as a CSV file, ideally with channel on a single line. For example (8 channels): 1.55,1.3,1.5,1.2, 1.25,1.5,1.5,1.2 1.21,1.3,1.5,1.3, 1.25,1.6,1.4,1.5 1.85,1.3,1.5,1.4, 1.25,1.2,1.1,1.9 I do not need timestamps or sample# on each line, but I could easily delete them if necessary. From what I can tell in the available datasheets, the above seems reasonable and quite feasible. Please advise if I’ve gone wrong somewhere.