PLC

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Across
  1. 3. Measures time delay
  2. 4. Set of instructions controlling the process
  3. 7. Event-counting instruction
  4. 9. Touchscreen interface
  5. 11. Position/speed feedback device
  6. 12. Discrete signal type
  7. 14. Converts signal to physical action
  8. 16. Step-by-step operation flow
  9. 18. Rotational feedback
  10. 19. Graphical PLC programming language
  11. 21. Manual OFF command
Down
  1. 1. Manual ON command
  2. 2. Device detecting physical parameters
  3. 5. Signals leaving PLC
  4. 6. Stores PLC data
  5. 7. Output instruction in ladder logic
  6. 8. Switching device
  7. 10. Electrical to mechanical energy
  8. 13. Signals entering PLC
  9. 15. Prevents unsafe operations
  10. 17. PLC decision-making process
  11. 20. Continuous signal type (0–10V, 4–20mA)
  12. 21. PLC operating cycle