Ambient Sensing Heat Tracing Control Panel Class I, Div. 2, 6-72 Loops - XtremeDuty™

ITASC1D2 6-36
Ambient Sensing Heat Tracing Control Panel Class I, Div. 2, 6-72 Loops - XtremeDuty™
  • Class I, Division 2 Hazardous Environments - Groups A,B,C,D
  • Enhanced Data Logging
  • Full Alarm & Monitoring Capabilities on GFEP, Temperature, Sensor, Current Load & Communications
  • UL, cUL Listed
  • Optional CE Certification
  • 12” VGA Touch Screen HMI
  • 40 Amps/Loop @ 100 – 480 VAC
  • SCR Control – PID, On/Off or Manual Control
  • 6 Loops to 72 Loops
  • NEMA 4 or NEMA 4X Enclosure
  • User Selectable Soft Start Feature
  • Optional Customizable I/O Mapping
  • Full Communications

The intelliTRACE ITASC1D2 and ITLSC1D2 Series is a micro-processor based Control/ Monitoring and Power Management system for Ambient Sensing, Line Sensing or a combination of Line and Ambient Sensing Heat Trace Applications and is suitable for use in Class I, Division 2 environments.

The base panels will handle 6 - 36 loops and may be increased up to 72 loops with the Extension Panels. Each circuit has a 40 Amperage capacity and accepts 100 to 480 Vac service. The SCR Control may be set to Automatic, which includes PID or On/Off control or to Manual, which spans a 0% to 100% control output.

The HMI is a 12” (30 cm) user friendly touch screen computer. It displays the process variable, temperature setpoint, alarm status, current load, control mode, sensor failure manual override output for any 6 loops at a time as well as the alarm status for all other loops. The standard enclosure is rated for NEMA 4 environments and an optional NEMA 4X 304 SS enclosure is available.

The ITASC1D2 / ITLSC1D2 Control Panel Series provide alarms for high and low temperatures, current load, communications, sensor faults and ground fault leakage. There are several output/control behavior scenarios for the ground fault (GFEP) alarm condition. Choices include Trip and/or Latch options in which both, either or none may be enabled. Trip sets the output to zero %, while Latch requires a manual reset. Alarm events are automatically logged and stored for easy access.

Advanced standard features include a proprietary soft start function, off duty Auto Cycle maintenance program and either Modbus RTU/RS485 or Ethernet communications. Optional features include an industry leading I/O (Sensor & Output) Mapping** function, remote monitoring and wireless communications.

Soft Start Feature
Certain heating cables exhibit inherent current inrush in colder temperatures. This inrush can cause nuisance breaker tripping. To limit inrush current on the overall system, a proprietary Soft Start algorithm is applied during system start-up. This will ONLY occur while the operation mode is set to AUTO. After the Soft Start program completes its cycle, the Control Mode of the system will either be PID or ON/OFF Control Mode, depending what was selected by the user. The default setting of the Soft Start Feature for each circuit is “enabled”. However, the Soft Start Feature may be disabled if so desired by the owner. The owner has the option to independently manage the Soft Start Feature on each circuit.

Auto Cycle Feature
During prolonged down time periods, typically during the summer months, it advisable to intermittently exercise the system circuits. This exercising of the loops is accomplished via the Autocycle feature. On a sequential circuit basis, the Autocycle feature periodically monitors system performance between 1-999 hours. This provides a certain level of predictive maintenance of the system as Faults (Alarms) will present themselves accordingly. Problem areas may be addressed during non-essential operating periods. The owner has the option to engage or disengage the Autocycle feature at any time.

I/O (Sensor & Output) Mapping**
When factory enabled, the ITLS & ITLSC1D2 Models provide the owner with customizable I/O Mapping. This becomes a very powerful and desirable feature when the owner needs added flexibility in controlling the circuit outputs beyond the standard single sensor input.

There are two types of I/O Mapping: Sensor Mapping and Output Mapping. Sensor Mapping is the assignment of one or more Sensor Inputs to one or more output circuits. Output Mapping is the assignment of one or more Power Outputs to one or more output circuits.


** Available only on ITLSC1D2 & ITLSC1D2-EXT

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