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Nelson™ Heat Trace CM 2201 Single Point Circuit Management System
Brand: NelsonNelson™ Heat Trace CM 2201 single point circuit management system is a microprocessor based digital control and monitoring system that has been specifically designed for stand-alone or networked electric heat tracing applications.
This system provides temperature control and heater cable monitoring while communicating additional information to operations personnel such as temperature alarms, voltage and current alarms, ground fault leakage, sensor failures and communications failures.
Features- The circuit management system is housed in a NEMA 4X durable molded fiberglass polyester enclosure that can be wall or rack mounted. The system is provided with dual pole solid-state heater switching and is environmentally hardened for use in various places.
- Easy to use interface: The 2 line, 16 characters/row, alphanumeric LCD display enables the use of English language prompts for set point entry and operation. There are no cryptic codes or key press combinations to remember
- On/off or proportional control: The desired control mode can be easily selected via the front panel user interface
- Ground fault alarm and trip settings: Separate alarm and trip settings for ground fault interrupt allow alarming of developing faults prior to circuit interruption
- Dual RTD input: The optional second RTD can easily be configured in a variety of ways, including working with one RTD/two RTDs and high temperature cutout
- Programmable auto test cycle: The user can select an interval from 1 to 24 hours to have the unit automatically check the heater operating current and ground fault conditions. This allows problems to be detected and fixed before the heating system is needed
- Host communications: The RS-485 Modbus™ RTU communications capability is included as a standard feature. There are no expensive "daughter boards" or firmware updates required
- LCD display is 2 Line, 16 characters per row
- 30 A max (resistive load only) current rating with 0.1 to 40 Amp current monitoring
- 100 Vac to 277 Vac voltage range with 10 mA to 500 mA ground fault monitoring