Advanced programming allows you to modify the functions of the instrument to adapt it to
uses different from the factory-set ones (pag. 38).
This is an extremely simple procedure thanks to the Function Modes.In each regulator, in
fact, have been memorized as many as 9 different programs designed to optimally provide
the best solution to any control problems.The procedure is as follows:
1) having chosen the Function Mode suitable to your application, you will have to activate it
by modifying a parameter (C0)
2) then you will be able to modify Set-point, differential and any other parameter you
consider useful by following the same procedures described above.
Before describing in detail the features of the 9 “Function Modes” it is necessary to
introduce two other basic concepts:
Multiple Set-Points. We have previously described the function with only one Set.There
are, however, applications with 2 Sets: this is the case, for example, of a heating system
working with two different Sets, one for functioning by day and the other by night, or of a
conditioning system with a winter Set and a summer Set. As you will see in the description
of Modes, the Infrared series regulators can also manage two set-points.
Neutral Zone or Dead Band: indicates an interval in the values around the Set Point
where the controlled parameter can fluctuate without having to activate any outputs.The
concept will be resumed in the description of Modes 3, 4 and 5.
Note: to follow the description of Modes more easily it is advisable to refer to the pictures at
the end of the manual. In the description below, associated to parameters, you will always
find the corresponding programming code (eg.Set will be associated with code St1) so as
to simplify any modification of these parameters.
44
Advanced set-up: basic description and concepts
+05-3015 • rel.3.0 interno ok 18-09-2002 14:31 Pagina 44
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