Siemens 6ES7211-0BA23-0XB0 SPS Controller CPU 221

DC - Direct Current

AC - Alternating Current

CPU - Central processing unit. The processing centre of computer programs. The faster the processor usually the faster the computer

Digital - A system that uses only 0s and 1s to transmit data

compact - Carefuly designed to ensure an item has a minimal physical size

Compact - something that has a lot combined within a small space.

Voltage - A measurement of volts.

Memory - A way to describe the way in which the brain can remember things.

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