putting 8 UCD in one case

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For UcD180 use, the SPS80 PSU must be configured to +/-45V approx. Please tell us at time of ordering so we can do this modification (for free, of course). Ackcheng did, of course ;)

If I were you, I would wire the modules with not too thick wire (1.5mm2 is ok) twisting the three leads (+, GND and -) together, and run the input leads as separate from the supplies and high current wires as possible, but that's common stuff, you know.
 
Honestly, I found it doesn't make much a difference either way. Right now I have one connected to chassis and the other floating, it's been like that for a month and I haven't bothered to fix it... sounds the same. Might be different with a case though.

It won't hurt to try both, but I guess it'll depend on your source/ground loops etc too
 
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