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Systems Integrated’s onSITE® SCADA software Suite was first developed in 1986 for monitor and control applications in the hydroelectric industry. Since this early application, the software has closely followed the development of new operating systems and moves to open platform standards to where it now monitors and controls large water systems, wastewater systems, hydroelectric facilities and electrical substation automation for customers in the US, Mexico and Malaysia.

onSITE is a complete SCADA software solution compatible with all major brands of PLCs, RTUs, communication methodologies and topologies. Designed for extensibility, our software differs from ‘boxed’ solutions in that we can provide that final 5% of functionality unique to your environment with little effort and time. The customizable design is well suited for large applications with several hundred PLCs or RTUs and complicated control requirements.

onSITE is can be delivered on a number of server and workstation platforms and is compatible with Windows XP, Vista, Server 2003, Server 2008, Sun Solaris and Linux. The Suite can be delivered on a single computer platform or in a distributed environment of servers and workstations. All user interaction is performed through Windows© based applications with the look and feel of modern Office applications. Real-time data visualization utilizes the GE Fanuc Dataviews development platform for delivering a rich set of standard objects to represent any utility or commercial process.

Integrating onSITE into your office or business services is easy through our many standard based data interfaces. Each system is delivered with an Oracle database as the primary mechanism for storing configuration, near real-time and historical data. onSITE exposes system data through SQL, ADO, ODBC, OPC and a native API that is free to our customers. Examples that can utilize these interfaces include business applications querying data for billing, employees creating reports in Excel or Access, remote based automation systems that that need feeds of real-time data and many others.

onSITE® Software Suite

onSITE® SCADA software is a fully integrated suite of products that delivers the most powerful system for water and wastewater controls available today. onSITE® is a fully distributed SCADA solution designed to be scalable from a single workstation to fully redundant multi-plant configurations. onSITE® is ready for any control task or need.

Based on the powerful Oracle RDBMS, ONSITE® combines the process functionality of a Distributed Process Control System (DCS), the archival functions of commercial historians, and the data presentation capabilities of dedicated graphics packages. Designed specifically for the water utility industry, ONSITE® is a powerful solution for your data acquisition and equipment control requirements.

Operating System Platform

The onSITE® server is built on a secure Linux operating system and supports virtualization for efficient system management and administration.

HMI System

The onSITE® client is built on the DataViews HMI software platform that delivers a series of powerful, customizable graphic development tools that allows you to create robust, dynamic system graphics.

OSIsoft PI Interface

onSITE® has a native interface to the powerful OSIsoft PI real-time data and event management system.

Mobile Application Interface

The onSITE® web server delivers a fully functional ONSITE® client for mobile users including laptop computers, tablets and smartphones.


Since our founding in 1974, Systems Integrated (SI) has been in the forefront of technology, delivering innovative solutions that put our customers in control. Our experience spans a wide range of industries including – power generation, electric utilities, water/wastewater utilities, intelligent transportation systems and communications.


Corporate Headquarters

  • 2200 N Glassell
  • Orange, CA 92865

  • Engineering Center
  • 8080 Dagget St Suite 120
  • San Diego, CA 92111

  • Email:
  • Phone: +1 (714) 988-0900
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