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2. Simatic - Wikipedia

   en.wikipedia.org/wiki/SIMATIC

   Siemens SIMATIC S7-300 PLC CPU with three I/O modules attached. As with other programmable logic controllers, SIMATIC devices are intended to separate the control of a machine from the machine's direct operation, in a more lightweight and versatile manner than controls hard-wired for a specific machine.

3. Programmable logic controller - Wikipedia

   en.wikipedia.org/wiki/Programmable_logic_controller

   Safety PLCs can be either a standalone device or a safety-rated hardware and functionality added to existing controller architectures (Allen-Bradley GuardLogix, Siemens F-series, etc.). These differ from conventional PLC types by being suitable for safety-critical applications for which PLCs have traditionally been supplemented with hard-wired ...

4. List of Siemens products - Wikipedia

   en.wikipedia.org/wiki/List_of_Siemens_products

   Siemens-Duewag U2 LRV – Edmonton Transit System and Calgary Transit – Alberta, Canada; Siemens SD-160 – Edmonton Transit System and Calgary Transit – Alberta, Canada; LHB/Siemens M1/M2/M3 Metro (Pair) – Prague Metro Czech Republic; Siemens-Adtranz LRV; MX3000 Metro car for Oslo (SGP Wien works) – Oslo T-bane, Norway; CAF S4000 Metro ...

5. SCADA - Wikipedia

   en.wikipedia.org/wiki/SCADA

   This allows SCADA system engineers to perform both the design and implementation of a program to be executed on an RTU or PLC. A programmable automation controller (PAC) is a compact controller that combines the features and capabilities of a PC-based control system with that of a typical PLC. PACs are deployed in SCADA systems to provide RTU ...

6. Stuxnet - Wikipedia

   en.wikipedia.org/wiki/Stuxnet

   Stuxnet requires specific subordinate system to be attached to the targeted Siemens S7-300 controller system: variable-frequency drives (frequency converter drives) and its associated modules. It only attacks those PLC systems with variable-frequency drives from two specific vendors: Vacon based in Finland and Fararo Paya based in Iran. [ 76 ]

7. Industrial control system - Wikipedia

   en.wikipedia.org/wiki/Industrial_control_system

   Siemens Simatic S7-400 system in a rack, left-to-right: power supply unit (PSU), CPU, interface module (IM) and communication processor (CP). PLCs can range from small modular devices with tens of inputs and outputs (I/O) in a housing integral with the processor, to large rack-mounted modular devices with a count of thousands of I/O, and which ...