CM-332 PLC Based Circuit Management System

Temperature Control, Circuit Monitoring and Alarms for Heating Cables. Ordinary and Hazardous Locations.

Nelson Heat Trace’s CM332 provides a compact, tightly integrated, factory assembled and tested solution for high density plant locations. The unit is based on a standard PLC platform, specifically integrated for use with electric heat trace systems. In addition to temperature control for up to 32 circuits, the CM332 provides high and low temperature alarms, ground fault monitoring and alerts, trending logs for predictive maintenance, power output monitoring and alarms, and automatic testing.

Individual CM332 systems can be network-connected through the provided Modbus RTU communications protocol. A touch sensitive color screen with high resolution LED graphics makes it easy to program and monitor the system, with each main control and monitor function is designed for direct user access. The CM332 is available in a NEMA 12, 4 or 4X enclosure.

Applications Features Specification Sheet Manual
  • PLC based circuit management system for electric heat trace systems
  • Compact, tightly integrated, factory assembled/tested solution for high density plant locations
  • Models available to monitor up to 8, 16, 24 or 32 circuits
  • Networkable through Modbus RTU protocol

Nelson Heat Trace

CM-332 PLC Based Circuit Management System