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3508 Controller
Introduction to the Controller and Manual
1.1
Using This Manual
This manual aims to explain how to set up and operate the Eurotherm 3508 series of
controllers; it must be read in conjunction with the product main manual.
Due to the complex nature of furnace or oven control the use of technical terms throughout
this manual is unavoidable. Explanations of these terms can be found in the 'Glossary of
Terms' at the back of this manual.
This manual covers the operation of:
3508 P1 – Controller/Programmer
The 3508 P1 is a digital temperature controller which uses PID algorithms to give excellent
temperature control when properly set. This controller can store and run a single program of
up to 20 segments. The 3508P1 can also be used as a simple temperature controller.
3508P10 – Controller/Programmer
The 3508 P10 is a digital temperature controller which uses PID algorithms to give excellent
temperature control when properly set. This controller can store 10 programs of up to 50
segments each. Programs can be run individually or linked by a Call parameter as sub-
programs or to form single long programs. The 3508P10 can also be used as a simple
temperature controller.
3508P25 – Controller/Programmer
The 3508 P25 is a digital temperature controller which uses PID algorithms to give excellent
temperature control when properly set. This controller has a maximum of 500 segments or
25 programs; each program has a maximum of 50 segments. For example a 3508P25 could
store 10 programs with 50 segments or 25 programs with 20 segments. Programs can be
run individually or linked by a Call parameter as sub-programs or to form single long
programs. The 3508P25 can also be used as a simple temperature controller.
The 3508 does not contain a real-time calendar.
1.2
PID Control
The 3508 series of controllers use PID (Proportional Integral Derivative) temperature
control. This type of control uses a complex mathematical control system to adjust the
power being sent to the elements and hold the furnace or oven at the desired temperature.
4
MC19-1.22
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