We have a need to a DAQ card that can handle more than 10V. I know there's an SC module that does 300V, but antenuation by 30 in signal conditioning seems a bit much. In retrospect, Agilent has a 100V input PXI card without the signal conditioning (32 Channels, 16-bit, 250kS/s).
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When you mentioned NI's SC module, I'm assuming you're referring to the PXIe-4300. The TB-4300B terminal block provides 30:1 attenuation compared to the TB-4300, which is the default terminal block for the PXIe-4300. The ranges available depend on which terminal block you are using:
The idea is that you may select a terminal block that fits the ranges you require. Breaking out a portion of the attenuation to the terminal block makes it more obvious to the user that this is what is taking place, but I'm almost certain that the Agilent device implements some sort of similar on-board attenuation in the product that you linked. The Agilent device is unipolar and has 2 ranges available (5V or 100V).
NI does have a few other products that have higher than ±10V ranges without using any external attenuator. For example, the 6120 has a ±42V range. If you're interested in C-Series there is also the 9229 which has ch-ch isolation.