Profile: MacDonald Humfrey (Automation) Ltd provides total turnkey system solutions to core industrial sectors. Our LED displays TRI color is available in single line message format to real time, graphics the factory vision display boards that provide visualization for public, process control and management information needs. Its module design enables standard display sizes from 500mm x 120mm to 3000mm x 1200mm with larger boards. Housed as single or double sided to suit the required application, the displays can be configured to display identical or independent information on each side. An embedded PC running Microsoft Windows XPe® operating system as standard provides the interface between the customer's management system and the LED display controller. Our services include full turnkey, pre-contract consultancy, post contract and contract development services.