Digital Temperature Controller Reference Manual

Table of Contents
TABLE OF CONTENTS
1. Introduction .......................................................................1-1
1.1 Scope of the manual.................................................................. 1-1
1.2 Overview.................................................................................... 1-1
1.3 DTC System Features ............................................................... 1-1
1.4 Technical Specifications ............................................................ 1-4
2. Technical Description.......................................................2-1
2.1 Introduction................................................................................ 2-1
2.2 Controller unit ............................................................................ 2-1
2.2.1 Pre-amplifier board ....................................................... 2-1
2.2.2 Converter board ............................................................ 2-1
2.2.3 Microprocessor Board................................................... 2-2
2.2.4 Communication board................................................... 2-3
2.2.5 Output board ................................................................. 2-3
2.2.6 Power Supply board...................................................... 2-4
2.3 Hardware Temperature Control Loop ........................................ 2-4
2.3.1 Input circuit.................................................................... 2-4
2.3.2 Output circuit................................................................. 2-4
2.4 Software Temperature Control Loop.......................................... 2-4
2.4.1 Spike Control ................................................................ 2-5
2.4.2 Paddle control ............................................................... 2-7
3. DTC Configuration ............................................................3-1
3.1 Introduction................................................................................ 3-1
3.2 Diffusion furnaces ...................................................................... 3-1
3.2.1 Furnace with DPC......................................................... 3-1
3.2.2 Stand-alone................................................................... 3-1
3.2.3 Furnace with source furnace, stand-alone .................... 3-1
3.3 Conveyer furnaces..................................................................... 3-3
3.3.1 Small band conveyors................................................... 3-3
3.3.2 Broadband conveyors ................................................... 3-3
DIGITAL TEMPERATURE CONTROLLER REFERENCE MANUAL I