Practice question

Which 2070 input/output module is the field-output module that interfaces the controller to the cabinet load switches in a Caltrans 332 cabinet?

  1. 2070-2A (Field I/O Module C1)
  2. 2070-7A (Async serial)
  3. 2070-3B (Front-panel display)
  4. 2070-4A (Power supply)

Answer: A — 2070-2A (Field I/O Module C1)

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