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In phoenix 24VDC power supply, (-) is isolated from GND, in this reference my understanding is that when (+) gets accidentally in touch with ground the fuse will not blow off. So having fuse on the (+) connecting to the Digital I/p module is not required. Please confirm.
But instead of getting +12V across (+) & GND, and (-12V) across (-) and GND, we have noticed +4.5V and -20.5V respectively. Please let me know the reason for this shifting.
But instead of getting +12V across (+) & GND, and (-12V) across (-) and GND, we have noticed +4.5V and -20.5V respectively. Please let me know the reason for this shifting.