In determining which type of system to install, "customer requirements are the first and foremost consideration," says Richman.
CITECT GRAPHICS BUILDER CLOSING INSTALL
Tri-Core, for example, can install complete HMI/SCADA packages from Rockwell, Intellution and Wonderware, or provide tailored solutions not available from any single vendor.
CITECT GRAPHICS BUILDER CLOSING SOFTWARE
Process control & batch execution Major software vendors today offer turnkey HMI/SCADA systems, and systems integrators can either install turnkey solutions or customize systems integrating components from various vendors. So there's a business trend evolving here that puts them in the middle." "Second, by doing that, they're becoming more and more the interface to what's usually called the ERP systems. So the only way for the vendor to build his business is to take-on more functionality," Blanchard points out. "First, the MMI (man/machine interface) market is flat - anybody can do it. John Blanchard, principal analyst at the ARC Advisory Group (Dedham, Mass.), Sees two trends contributing to the growing functionality and upward evolution of HMI/SCADA systems. "SCADA has become almost interchangeable with HMI," observes Mark Richman, automation engineer at systems integrator Tri-Core, Inc., Racine, Wis. Today, that integration increasingly includes HMI (human/machine interface), a PC with graphic process and machine-status displays, alarms, messages, diagnostics, data access, reporting tools and automated process execution, allowing operator feedback.
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