Modular equipment for data acquisition/control of a system comprises a central unit (CPU Board), a plurality of input/output modules and a bus coupled therebetween. The central unit has successive approximation generator means (2) for generating a plurality of unique system addresses. The plurality of...http://www.google.co.uk/patents/US5535396?utm_source=gb-gplus-sharePatent US5535396 - Modulator data/control equipment
