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Electronic Theatre Controls Inc

Metering Output from BluesSystem Power Supply

Question

What does each line from the output header on a BluesSystem power supply do and what should I see when metering?

Answer

There are three lines for each output header, which you can see on page 16 of the installation manual:

  • Power: provides power to fixtures
  • Ground: acts as common
  • Control: provides dimmable control to fixtures

You should see the following when metering the output lines:

  • Power/Ground: 24VDC
  • Control/Ground:
    • 10VDC when at full via DMX
    • 0 VDC when at 0 via DMX

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