DC power supply redundancy protection
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Who has the wiring diagram for parallel redundant DC power supplies with redundant diode protection?
For some brands of DC power supplies, it’s sufficient to connect them in parallel directly, without the need for diodes
You’re using a regular switching power supply, right? That one requires diodes; if you use a better quality supply, then diodes aren’t needed, such as Siemens’ SITOP power supplies
Siemens models also require diodes; we’ve encountered problems with that
Take a look at this; if it’s small, download and give it a try