Sunday, December 12, 2010

Visual Basic as an HMI





Visual Basic has two rights out of the box. The first item is Visual Basic has inherent ability to create windows with automated graphics. Visual Basic is a programming language designed to create programs with powerful interface graphic such as is used in most Windows program. In realty Visual Basic has many of the same tools that you will see in any Windows program. The most programs are developed using Visual Basic.

The second item is the database that is called the Jet Engine. The Jet Engine is the core of the database of Microsoft Access. The Jet Engine has the same power as Access to handle data but it doesn’t have the operator interface windows that Access has. Widows and code required for the Jet Engine in the Parijat HMI the data tables to do what it has to do already in place.

Parijat Controlware has developed the communication drivers. There are about 40 drivers available. The driver for the ControlLogix PLC is under development. The data collector is an integral of the HMI development package. Unlike WonderWare Intouch it is not limited to a certain number of TAGs based on licensing fees. The limitation on the TAGs is the machine ability to deal with high quantities of data.



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