SCADA & PC Based Controls: Driver Development

The Client: Major SCADA and PC Based Control software manufacturers. Communications interfaces have been written for software from Wonderware, Intellution, CiTect, Nematron, Taylor, Steeple-chase, USData, National Instruments, DasyLab and others. Also developed driver function libraries for use by Visual Basic and Visual C++ Developers. The Requirement: Develop various types of communications drivers for sensor bus and other open networks such as Profibus, DeviceNet, CAN, SDS, CAL, CANopen, Foundation Fieldbus, Interbus, Modbus Plus, Ethernet, GPIB-488.

The Design Solution:

The following is a sample of some design projects, where we have produced a variety of solutions to fill differing design requirements:

Industry Standard API's

• DDE servers on Windows and Windows NT supporting features like FastDDE, AdvanceDDE
• OPC servers on Windows NT
• DLL and DOS function libraries.

Proprietary Interfaces

• Using customer tool kits like: Intellution Fix ASDK NIO, USData EDI
• On proprietary operating platforms like: Nematron Hyperkernel, VentureCom

Operating Systems

• DOS, RTX
• Windows 3.1, Windows 95
• Windows NT, VentureCom, Hyperkernel

Major Automation Equipment

• Network - DeviceNet, Profibus, CAN, SDS, Fieldbus Foundation, Ethernet,
• Computers - PC Compatible, Embedded
• Software OS - DOS, RTX, Windows, Windows NT, Hyperkernel, VentureCom