Practice question

What is the MMU's response when it detects a conflicting green output on two channels that the program card defines as a permissive conflict?

  1. Log the event and continue normal operation
  2. Force the cabinet into flash and latch the fault until reset
  3. Issue a yellow change without changing mode
  4. Increase the cycle length

Answer: B — Force the cabinet into flash and latch the fault until reset

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