Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

A  |  B  |  C  |  D  |  E  |  F  |  G  |  H  |  I  |  J  |  K  |  L  |  M  |  N  |  O  |  P  |  Q  |  R  |  S  |  T  |  U  |  V  |  W  |  X  |  Y  |  Z

PLC

Definitions:

  A solid-state control system that has a user-programmable memory for storing instructions for the purpose of implementing specific functions such as I/O control, logic, timing, counting, three mode (PID) control, communication, arithmetic, and data and file processing.
Sources:
NIST SP 800-82r3 under programmable logic controller from The Automation, Systems, and Instrumentation Dictionary
NISTIR 8183 under programmable logic controller from NIST SP 800-82r3
NISTIR 8183 Rev. 1 under programmable logic controller from NIST SP 800-82r3
NISTIR 8183A Vol. 1 under programmable logic controller
NISTIR 8183A Vol. 2 under programmable logic controller
NISTIR 8183A Vol. 3 under programmable logic controller