VICI ITC User Manual
Page 2
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