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The ALCO S-2 and S-4 are 1,000-horsepower (746 kW) diesel electric switcher locomotives produced by ALCO and Canadian licensee Montreal Locomotive Works (MLW). [1]Powered by turbocharged, 6-cylinder ALCO 539 diesel engines, the two locomotives differed mainly in their trucks: the S-2 had ALCO "Blunt" trucks; the S-4, AAR type A switcher trucks.
Many vendors whilst incorporating the full IEC 61131-3 requirements have additional vendor specific calls/function blocks to suit their hardware such as reading or writing to I/O. Siemens PLC instruction list language is known as "Statement List" or "STL" in English, and "Anweisungs-Liste" or "AWL" in German, Italian and Spanish.
The manual page further limits the number of characters in the Data field to 64 (or 32 data bytes). [4] A record with an 8-hex-character address and 64 data characters would be 78 (2 + 2 + 8 + 64 + 2) characters long (this count ignores possible end-of-line or string termination characters), and fits on an 80-character wide teleprinter .
Systems programming, or system programming, is the activity of programming [1] computer system software.The primary distinguishing characteristic of systems programming when compared to application programming is that application programming aims to produce software which provides services to the user directly (e.g. word processor), whereas systems programming aims to produce software and ...
S2, a version of the racing simulation Live for Speed; S2, a district of the S postcode area, covering areas of eastern Sheffield; Seattle Sounders FC 2, nicknamed S2; Second year, in the Scottish education system; S2 (classification), used for categorising swimmers based on their level of disability; Splatoon 2, a 2017 video game for the ...
Little Man Computer simulator. The Little Man Computer (LMC) is an instructional model of a computer, created by Dr. Stuart Madnick in 1965. [1] The LMC is generally used to teach students, because it models a simple von Neumann architecture computer—which has all of the basic features of a modern computer.
In April 1948, modifications were completed to ENIAC to function as a stored-program computer, with the program stored by setting dials in its function tables, which could store 3,600 decimal digits for instructions. It ran its first stored program on 12 April 1948 and its first production program on 17 April [22] [23] This claim is disputed by ...
Union Switch & Signal (commonly referred to as US&S) was an American company based in Pittsburgh, Pennsylvania, which focused on railway signaling equipment, systems and services.