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Chromalox IntelliTrace ITC 1 - User Manual

Chromalox IntelliTrace ITC 1
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1
PK509-10
0037-75516
June 2018
Installation & Operation Manual
ITC 1 & 2 Circuit
Heat Trace Controller
Line or Ambient Sensing
Ordinary Areas &
Class I, Division 2
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Chromalox IntelliTrace ITC 1 Specifications

General IconGeneral
CategoryController
ModelITC 1
TypeTemperature Controller
Input TypesRTD
InputThermocouple, RTD, mA, V
Output TypesRelay
OutputRelay

Summary

Safety Precautions

General Safety Warnings

Critical warnings on high voltage and electrical hazards, emphasizing caution and proper procedures.

Theory of Operation

Installation

Mounting Surface and Clearance Requirements

Specifies suitable mounting surfaces and necessary air clearance for the heat sink.

Navigating the ITC Menus

Programming the ITC

Accessing Programming Menus via Login

Explains how to access the ITC's programming menus by entering the correct security passcode.

Security Levels

The Temperature Menu

Temperature Setpoints and Alarms Configuration

Parameters for setting temperature setpoints and low/high temperature alarms for circuits.

The Current Menu

Current and GFEP Alarm Parameters

Parameters for low/high current alarms and GFEP setpoints/alarms for circuits.

The Control Menu

Control Menu Parameter Details

Auto Control Mode Selection

Defines PID and ON/OFF control modes available in AUTO mode.

The Comms Menu (Communications)

Communication Settings Overview

Introduces settings for serial, Modbus, and TCP/Ethernet communications.

Comms Menu Parameter Configuration

The Systems Menu

Failed Sensor Output Behavior Settings

Defines how the unit reacts to temperature sensor failures, switching to Manual mode.

System Menu Advanced Settings

Failed Sensor Operation Modes Explanation

Explains unit behavior for single or multiple failed sensors, including output adjustments.

Alarms Overview and Solutions

Alarm Types and Corrective Actions

Lists various alarm types (e.g., Temp, Current, GFEP) and their corresponding corrective actions.

Technical Specifications Summary

Input and Output Specifications

Details sensor types, number of inputs, power switching, and circuit capacity.

Alarms and Relay Outputs

Alarm Types, Conditions, and Relays

Categorizes alarms, describes relay outputs, and alarm contact states (Normal/Alarm).

Communications Protocols and Settings

Modbus RTU;RS485 and Ethernet Configuration

Details Modbus RTU/RS485, RS422, and Ethernet IP configuration options.

Equipment Electrical Ratings

Field Wiring Considerations

Modbus Wiring Best Practices

Customer Wiring Connections

Main Board Wiring Guide

Illustrates connections for power, heater, alarms, and sensors to the main ITC board.

Modbus Addendum and Protocol

Modbus Serial Communications Overview

Covers Modbus serial communications, physical layer, and link layer protocols.

Modbus Device Addressing and Queries

Explains Modbus device addressing, queries, responses, and global addressing.

Modbus Register Set Description

Input Register Address Mappings

Details the address mapping for input registers related to sensed data and firmware versions.

Modbus Holding Registers Reference

Modbus Register Parameter Details

Holding Register Parameter Listings

Lists detailed holding register parameters including alarms, sensing modes, and soft start.

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