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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. Multi-Point Interface - Wikipedia

   en.wikipedia.org/wiki/Multi-Point_Interface

   The Multi-Point Interface – Siemens (MPI) is a proprietary interface of the programmable logic controller SIMATIC S7 of the company Siemens. [1] It is used for connecting the stations programming (PC or personal computer), operator consoles, and other devices in the SIMATIC family. This technology has inspired the development of protocol ...

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. S7 - Wikipedia

   en.wikipedia.org/wiki/S7

   Acer Aspire S7, a laptop; Samsung Galaxy S7, a smartphone; Samsung Galaxy Tab S7, a tablet computer; Simatic S7 PLC , an automation system based on Programmable Logic Controller from Siemens, successor to Simatic S5 PLC; SPARC S7, a computer processor using the SPARC instruction set; Sub7, a computer backdoor

6. 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 ...

7. 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]