Digital Temperature Controller Reference Manual

1.Introduction
1.1 Scope of the manual
INTRODUCTION
The Digital Temperature Controller (DTC) forms the heart of the system control together
with the Digital Process Controller (DPC). This manual contains a technical description of
the DTC for version 2I or higher and is mainly aimed at maintenance and service engineers.
It includes technical information and calibration procedures of the DPC. This manual forms
part of a series of manuals covering the full range of Amtech Tempress Systems products.
The contents of this manual and drawings are to provide the necessary instructions and
information for installing, adjustment, operating, maintenance, and understanding of the
Amtech/Tempress Systems Digital Process Controller.
1.2 Overview
The Digital Temperature Controller (DTC) is designed for high accuracy control of
temperature for diffusion and conveyor furnaces. Its modular design makes it suitable for the
simplest application and easily expandable for the most complex applications.
The DTC consists of two basic units:
1. The temperature controller Unit
2. Touchscreen Display and/or TSC-II
For Conveyor Furnaces, Output Expander Units are provided to house the necessary extra
output boards.
1.3 DTC System Features
Figure 1-1 DTC basic overview
INDEPENDENT TEMPERATURE
ZONES
MASTER/SLAVE CONTROL
A maximum of 15 temperature zones can be
independently controlled.
It is possible to operate six zones independently or
in a master/slave configuration where one zone is
the master of 4 or 5 other zones.
DIGITAL TEMPERATURE CONTROLLER REFERENCE MANUAL 1-1