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FAQ on the XRS Series High Voltage Power Supply

Question: Is there any protection on the pins?

Answer: All interface pins have protective diodes and series resistors.

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Question: What is the impedance of pins 7, 8, 9, and 10?


  • Pin 7: 11k ohm
  • Pin 8: 100kohm during normal operation
  • Pin 9 and Pin 10: 10k ohm

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Question: Will the power supply be damaged if pins 7 and 8 are accidently reversed?

Answer: There should be no damage.

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Last Revision: 21 May 2014