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latest standard (IEC 1131-3) (1 май 1990 г. – 1 ноя 1999 г.)

Описание:

In the 1990’s there were less new communication protocols introduced and the latest standard (IEC 1131-3) tried to merge the PLC programming languages into on international standard. PLCs were also being programmed using functional block, instruction list and structured text and PCs started to replace the PLC in some applications.

Добавлено на ленту времени:

31 окт 2019
0
0
511

Дата:

1 май 1990 г.
1 ноя 1999 г.
~ 9 years and 6 months