Instruction Manual

Table of Contents
Page
1. GENERAL DESCRIPTION..............................................................................1
1.1 Standard Features
1.11 Thermocouple Sensor
1.12 Proportional Heater Power Control
1.13 Power Attenuation
1.14 Zero Crossover Power Application
1.15 Digital Temperature Setting
1.16 Compact Rugged Construction and Functional Layout
1.2 Specifications and Model Codes
1.3 Technical Description
1.31 Thermal System Overview
1.32 ITC Block Diagram by Function
1.321 Input Amplifier
1.322 Thumbwheel Switches and D/A Converter
1.323 Differential Comparator
1.324 Heater Power Switch
1.325 Thermocouple Break Detection
1.326 Proportional Power Control
1.327 Power Attenuation
1.33 Proportional Power Control
1.34 Power Attenuation
2. OPERATION..................................................................................................10
2.1 PHYSICAL LAYOUT OF THE ITC
2.2 Thermocouples
2.3 Setpoint (Set °C)
2.4 Proportioning Bandwidth
2.41 Bandwidth Defined
2.5 Installation
2.6 Troubleshooting and Schematic Diagram
2.61 Situation:
PWR ON indicator fails to illuminate; instrument does nothing.
2.62 Situation:
TCPL indicator ON continuously; no power applied to heater
2.63 Situation: No power being applied to heater; TCPL indicator OFF.
3. WARRANTY ..................................................................................................19
4. TECHNICAL DRAWINGS .............................................................................20