Siemens 6ES7234-4HE32-0XB0 SM 1234 Analogue Input / Output Module

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

Analogue - A continuous signal in time with fluctuations in a measurable parametre to provide a signal

Rapid have established themselves as a leading online supplier of electrical products, cables, tools, electrical components and educational resources. Through their website you can purchase a variety of meters and resistors, batteries, electrical sockets, fuses and circuit breakers, communications cables, miniature power tools, small hand tools, rivets, tapes and adhesives, office equipment and educational books and equipment. As well as selling to the general public their extensive product selections means they also sell to trade customers. They also have great links with educational customers supplying products to many schools, colleges and universities. They also offer a great turnaround on delivery meaning that your products can be with you the very next day. Some of the top brands that they stock include Recom, Draper, Bosch, Hammond, Duracell, Kingbright, Arcol and Neutrik.