Digital Temperature Controller Reference Manual

3.DTC Configuration
3.1 Introduction
DTC CONFIGURATION
The units that can be combined to give the desired configuration are shown in Figure 3-1. All
systems have to contain the Controller Unit and the Touch Screen Display.
3.2 Diffusion furnaces
All Diffusion Furnaces require a data input unit (Touchscreen or TSC-II). The Controller
Unit is also required, but it must be configured according to the type of furnace to be
controlled. This dependents on the number of input and outputs required.
3.2.1 Furnace with DPC
The DTC Controller Unit is configured with two or four input boards and one or two output
boards, giving control of up to 6 zones. Automatic Profiling and paddle control is possible if
one (or two) of the input boards is placed in position E (and D).
Communication to the DPC is provided by the communication board. It allows reception of
temperature recipe selections from the DPC and provides temperature information to the
DPC.
The temperature can be ramped in each zone, either independently or under master/slave
control (see section 3.4).
3.2.2 Stand-alone
The DTC Controller Unit is configured with two or four input boards and one or two output
boards, depending on the tube configuration (3, 5 or 6 zones). For Automatic Profiling or
control on the paddle thermocouples, a board has to be placed in position ‘E’ (Figure 3-1
DTC Configurations) for the first 3 zones and position ‘D’ for the zones 4, 5 and 6. Boards
for the spike are in position ‘A’ for the first three zones and ‘B’ for the next.
In this configuration, the DTC controls the temperature in all zones of the furnace tube. The
temperature can be ramped in each zone, either independently or under master/slave control
(see section 3.4). The unit can store and run a maximum of 16 recipes.
3.2.3 Furnace with source furnace, stand-alone
The DTC Controller Unit is configured with three input boards and two output boards,
giving control of 6 zones (3 in the main furnace and 3 in the source furnace). Automatic
Profiling and paddle control is possible if one of the input boards is placed in position E.
All the zones may be automatically profiled or paddle controlled. The temperature can be
ramped in each zone of the main furnace and source furnace, either independently or under
master/slave control (see section 3.4).
DIGITAL TEMPERATURE CONTROLLER REFERENCE MANUAL 3-1