Flexible Support for Any System
Mercer Controls provides programming, configuration, and troubleshooting support for PLC, SCADA, and HMI systems across water and wastewater facilities. Whether your system is decades old or newly installed, we can work with it.
We support all major PLC and SCADA platforms and can step in to modify, repair, or improve existing systems — even if we didn’t install them.
Programming, Modifications & Upgrades
Our services include:
- PLC programming and logic changes
- SCADA and HMI screen updates and improvements
- Alarm tuning and system optimization
- New system setup and commissioning
- Legacy system support and modernization
We focus on clear, operator-friendly systems that are easier to understand and maintain.
Communications & Telemetry Troubleshooting
If your system can’t communicate, it can’t protect your operation. We diagnose and repair:
- Radio and cellular telemetry
- SCADA communications issues
- Network and data transmission problems
- Intermittent or unreliable connections
Our team identifies the root cause and restores reliable communication.
Support You Can Rely On
Cities rely on Mercer Controls because we are willing and able to work on any system, any platform, and any manufacturer’s equipment. We solve problems, improve performance, and keep operators in control.
To request programming or SCADA support, contact us today.
📞 (361) 782-7168