CANTON MUNICIPAL UTILITIES

Canton, Mississippi

Municipal SCADA System

Canton Municipal Utilities of Canton, Mississippi supplies utilities to some 4,500 industrial, commercial, and residential customers. To meet the growing demand for natural gas, electricity, water, and waste water, the city needed a more cost effective way of managing and controlling their operations. They chose to automate their system with an Allen-Bradley SCADA system provided by ASI.

SCADA Requirements

	Monitor natural gas flow and project daily usage accurately.
	Perform gas flow calculations to AGA3 standards.
	Provide flexibility for changing requirements and adding future services.

ASI built the SCADA system utilizing

Allen-Bradley PLC-5 controller RTU’s

 communicating over radio modems to the 

Master PLC-5.

A PC-based MMI allows operators to control and monitor all sites within the system.

System Overview

The system collects data from remote sites which is relayed to the Control Console via radio modems. The remote sites are controlled and monitored from a central location.

Results Achieved

	Faster decision making through more timely information.
	More responsive to customer demands.
	Tighter cost controls.
	Greater accuracy of metered gas consumption.