• The Challenge A wastewater treatment plant had a big problem. Rogue currents and ground loops were wreaking havoc with the RS-485 network used to control and monitor the plant. Intermittent data errors interfered with communications between the control system and the remote sensors. It was dangerous, it was messy, and – thanks to troubleshooting, overtime and EPA fines – it was expensive. • The Solution B&B discovered that the control network required complete isolation from the rest of the system. Communication ports needed to be isolated from one another and from the power input to prevent current and ground loops. B&B’s triple-isolated IlinxTM converters were installed wherever there was a risk for stray currents. The end results included improved productivity, reduc

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