“The server’s operating system must continuously get the latest security patches to prevent malicious attacks,” says Ginther. Not only does this increase costs for the operator, it may delay critical updates needed to reduce security vulnerabilities. If changes to the SCADA system are time-consuming or overly complex, the system’s changeability is inadequate.
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Each additional server adds to the overall amount of equipment and software that needs to be maintained and analyzed.” More components can also mean more servers. Ginther says, “The design of components can make a big difference in analyzability: too many components can overwhelm the user and make it difficult to find an issue, too few and it is difficult to isolate the problem to one particular area for debugging. Testability-the effort involved in validating a change to the system.Īnalyzability is the ability for maintenance personnel to find and explore the components in the system to make the appropriate configuration changes or modifications. Stability-the sensitivity of the system to any changes that create adverse behavior. Maintainability is the key factor for creating a sustainable SCADA system and is comprised of the following sub-characteristics, says Ginther:Īnalyzability-ability to identify root cause in the system by examining components.Ĭhangeability-the amount of effort involved in making changes to the system. “When a company is able to effectively and efficiently handle these maintenance and expansion challenges, they will have a truly maintainable SCADA system,” says Ginther. Ongoing key performance indicators (KPIs) will need to be measured and adjusted to meet business needs. These expansions, when complete, will also need to be maintained, and new users and administrators will need to be trained. System expansions often result in more advanced tasks, including the development of new database tables, human machine interfaces (HMIs) and even new applications and algorithms. Basic maintenance can quickly become complex when business rules are not in place to limit the number of user roles and configurations in field equipment such as remote terminal units (RTUs). SCADA maintenance can range from installing operating system updates to adding new users and field instrumentation. A system designed for cost-effective upgrades and maintenance is more likely to be available and operating at a highly effective level.” And regulators often can tack large fines on already expensive incidents. Focus on your goals.Discussing why pipeline companies might want to design SCADA systems for maintainability, he says, “Missed alarms and downtime can easily lead to spills that cost over $30,000 per barrel of oil in a transmission line.
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The community, includes developers and engineers, is an integral part of the Rapid SCADA project.
Our company specializes in developing custom solutions powered by the Rapid SCADA platform. The Rapid SCADA business model is based on providing quality services based on the open source software. Industrial automation systems and IIoT systems.The main classes of systems developed using Rapid SCADA are the following: Rapid SCADA nodes exchange information between themselves, and interact with external databases in real time. Rapid SCADA runs on servers, embedded computers and in the cloud. Rapid SCADA is a perfect choice for creating large distributed industrial automation systems. The licensing model permits creation of new derivative software products. Open source is the key to software transparency and security. In case of large implementation, Rapid SCADA is used as a core for development of custom SCADA and MES solutions for a Customer.
The out of the box software provides tools for rapid creation of monitoring and control systems. Rapid SCADA is an open source industrial automation platform.
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