programmable automation controller
41Process control — is a statistics and engineering discipline that deals with architectures, mechanisms, and algorithms for controlling the output of a specific process. See also control theory.For example, heating up the temperature in a room is a process that has …
42OPC Unified Architecture — is the most recent OLE for process control (OPC) specification from the OPC Foundation and differs significantly from its predecessors. The first version of Unified Architecture was released in 2006, after 3 years of specification work and… …
43NeSSI — This article is about the initiative linked to chemical process analytical systems, see also Networked European Software and Services Initiative NeSSI (for New Sampling/Sensor Initiative) is a global and open initiative sponsored by the Center… …
44Stuxnet — is a computer worm discovered in June 2010. It targets Siemens industrial software and equipment running Microsoft Windows.[1] While it is not the first time that hackers have targeted industrial systems,[2] it is the first discovered malware… …
45SCADA — is the abbreviation for Supervisory Control And Data Acquisition . It generally refers to an industrial control system: a computer system monitoring and controlling a process. The process can be industrial, infrastructure or facility based as… …
46Simatic S5 PLC — The Simatic S5 PLC is an automation system based on Programmable Logic Controllers. It is manufactured and sold by Siemens AG. Such automation systems control process equipment and machinery used in manufacturing. This product line is considered… …
47Relay — This article is about the electrical component. For other uses, see Relay (disambiguation). Automotive style miniature relay, dust cover is taken off A relay is an electrically operated switch. Many relays use an electromagnet to operate a… …
48EIA-485 — In telecommunications, EIA 485 (formerly RS 485 or RS485) is an electrical specification of a two wire, [ [http://www.chipkin.com/articles/rs485 cables why you need 3 wires for 2 two wire rs485 Why you need 3 wires for 2 (two) wire RS485] ] half… …
49Modicon — Création 1968 Siège social …
50Finite-state machine — State machine redirects here. For infinite state machines, see State transition system. For fault tolerance methodology, see State machine replication. SFSM redirects here. For the Italian railway company, see Circumvesuviana. A finite state… …
