02-27-2019 10:23 AM
Are the SMU PXIe-4137 and 4139 true floating resources?
If so, up to how much voltage can they float?
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02-28-2019 02:57 PM - edited 02-28-2019 02:57 PM
Hi MrVito,
This will be specified in the documentation under the Isolation section. The PXIe-4137 will allow 250 VDC channel to ground, while the PXIe-4139 will allow 150 VDC. Note that is the maximum between any channel terminal and chassis ground. If you are floating a voltage, you need to make sure that all terminals for that channel stay below this limit.
PXIe-4137 Specifications:
http://www.ni.com/pdf/manuals/374882f.pdf
PXIe-4139 Specifications:
http://www.ni.com/pdf/manuals/376115h.pdf