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In remote applications, such as a large water treatment plant, PLCs may connect directly to SCADA over a wireless link, or more commonly, utilise an RTU for the communications management. PLCs are specifically designed for control and were the founding platform for the IEC 61131-3 programming languages.
It was soon adopted in a large number of other event-driven applications as varied as printing presses and water treatment plants. SCADA's history is rooted in distribution applications, such as power, natural gas, and water pipelines, where there is a need to gather remote data through potentially unreliable or intermittent low-bandwidth and ...
Subsidiary plant included Ozone generation, washwater treatment plant, and SCADA to monitor and control the flow of water. With all these facilities operational the peak supply increased from 480 Ml/d to 690 Ml/d.
These could be distributed around plant, and communicate with the graphic display in the control room or rooms. The distributed control system was born. The introduction of DCSs allowed easy interconnection and re-configuration of plant controls such as cascaded loops and interlocks, and easy interfacing with other production computer systems.
A remote terminal unit (RTU) is a microprocessor-controlled electronic device that interfaces objects in the physical world to a distributed control system or SCADA (supervisory control and data acquisition) system by transmitting telemetry data to a master system, and by using messages from the master supervisory system to control connected objects. [1]
Distributed Network Protocol 3 (DNP3) is a set of communications protocols used between components in process automation systems. Its main use is in utilities such as electric and water companies.
The VTScada SCADA platform is the company's main product. [1] Trihedral's has customers in fresh water and wastewater, subsea and terrestrial oil production, air traffic management monitoring systems, fire station and 911 emergency alerting systems, national broadcast networks, marine systems, manufacturing, and food & beverage industries. [2 ...
Elipse Software is a Brazilian industrial automation software producer whose main activities are designing and selling software for HMI/SCADA projects and interfaces for many types of applications. It was founded in 1986 in Porto Alegre , Brazil.