DS1120 Unassigned Address (High)

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  2. Knowledge Base
  3. TCM S Machine
  4. DS1120 Unassigned Address (High)

The upper 4 bits (EIA4 to EIA7) of an external data I/O interface address signal are set to an undefined address (high bits). Check ladder.

 

Quick tip;

Check ladder and I/O.

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