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Human Interface Interface
What is HMI and HMI Programming
In the world of industrial automation, Programmable Logic Controllers, or PLCs, control plant floor equipment to manufacture certain goods. Although the field of automation has grown tremendously over the last few decades, humans play a significant role in the operation, troubleshooting, and maintaining these complex systems.
A Human Machine Interface, or HMI for short, is a device that allows a human to give directions and receive feedback from the PLC that is controlling the manufacturing process. In other words, it is a means to input commands into your machines and earn feedback about their status.
Put simply, an HMI is an industrial computer that is correctly put in place to communicate between the PLC and the operator of the manufacturing floor.
Mapperley is a residential and commercial area of north-eastern Nottingham, England. The area is bounded by Sherwood to the north-west, Thorneywood to the south and Gedling to the east.
At various periods the terms 'Mapperley' and 'Mapperley Plains' have been applied to lands, on either side of Woodborough Road (B684), from a point at the junction of Mapperley Road, north-east for a distance of some 3+3⁄4 miles (6.0 km), to that point where the road forks towards Woodborough village. The stretch of Woodborough Road from Mapperley Road to Porchester Road is called 'Mapperley Plains' on Jackson's map of 1851–66, for example.[1][2] This section considers the history of the suburb within the present day city boundary.
The origins of the city of Nottingham suburb called Mapperley seem to be found in the fourteenth century. Writing in the 1670s about lands in the lordship of Basford (i.e. west of present-day Woodborough Road) which were called cornerswong, Dr Robert Thoroton, notes:
In the time of Richard the second (reigned 1377-99), Thomas Mapurley was a considerable man at Nottingham…. He, or his posterity, became possessed of the chiefest part of these grounds, which was the occasion of them being called Maperley's Closes; and since there being a cottage-house or two, and some odd barns erected, it goes for a small Hamlet called Mapurley.[3]
