DESCRIPTION
2.9 Furnace temperature control
• The Digital Temperature Controller provides master/slave or independent zone
control. It features proportional, integral and derivative (PID) temperature control
functions.
• Digital Temperature Controller, with 3 to 5 zone spike (optional) and paddle control
per tube. Ramping, limit alarms, TC break and power failure alarms and 4
temperature recipes.
• Thermal flatzone is depending on the type of furnace.
• Double spike thermocouples, one for temperature control and one for the Excess
Temperature protection.
• Tripple thermocouples, two are for the spike control (in case of failure of one) and
the third one is for the Excess Temperature protection.
• Optional other control system, see separate manuals.
• Thermocouple connections on source or load side of the furnace, for Paddle control
and profiling. See Figure 2-7 and Figure 2-8:
Figure 2-7 Zone paddle profiling thermocouple
Figure 2-8 Double spike thermocouple
FURNACE REFERENCE MANUAL
2-11
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