programmable logic controller (PLC):
"A device using programmed, custom instructions to provide automated monitoring and control functions by evaluating a set of inputs. Used to automate complex functions in machining, packaging, materials handling or other applications. "

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Terms related to programmable logic controller (PLC):
  Capacity control report
  Direct numerical control
  Input / output control
  numerical control (NC)
  Order control
  Order log
  Output control
  p chart
  Priority control
  Production activity control
  program
  program evaluation and review technique (PERT)
  Quality control
  Shop floor control
  Total quality control