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What are some of the common causes for not being able to get my Control Expert (formerly Unity Pro) Hot Standby up running with ERIO?

Published date: 30 September 2019

Common Causes:

  • Must have at least one ERIO drop physically present if drops are configured (otherwise you need to set %S84 to 1)
  • Must have the CRPs present and linked together.
  • Must have matching and current 140CRP31200 firmware.
  • Must have matching CPU firmware (or set %SW60.4 to 1)

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