City of Phoenix Water Services

Application:

Water/wastewater treatment and reclamation control system.

Scale:

Multiple facilities — both new and upgrades, current and planned — using more than 60,000 I/O points.

Solutions:

At the Cave Creek site, CSI replaced the existing control system with UCOS but not the existing OPTO 22 I/O. As such, none of the I/O had to be rewired, tested, or debugged. The cutover was done live with no disruption to operation of the process.

The Union Hills site used a Wonderware HMI with Siemens/TI PLCs and I/O. The City chose to replace the HMI and PLCs with UCOS and to replace the I/O modules with Modicon Quantum equipment.

Cave Creek and Union Hills share some resources and personnel, so both sites are managed as one.

UCOS monitors and controls two different kinds of I/O at the two different sites. Both sites are represented on the UCOS graphic screens with the same look and feel, and personnel from either plant will be able to operate Cave Creek from Union Hills or vice-versa.

Additional sites are slated for upgrading. When all plants are upgraded to UCOS, operators will be able to securely monitor and control any plant on the system from any other plant on the system.

Scope:

Project management, specification development, advanced application development, systems and equipment acquisition, system configuration and testing, instrument engineering, drawings and documentation, installation and commissioning, training, product and system support, field services.

Details:

For more on this project, see the article in WaterWorld, download the project description (PDF 167K), or contact CSI for more information.