
Technical
Manual
Room
Temperature
Controller
SCN
‐
RT1
MDT technologies GmbH •
51766 Engelskirchen • Papiermühle 1
Tel.: +49-2263-880 • Fax: +49-2263-4588 • [email protected] • www.mdt.de
29
4.4.6
Guiding
The
following
settings
are
available
at
the
ETS
‐
Software:
Illustration
17:
Guiding
The
following
chart
shows
the
dynamic
range
for
this
parameter:
ETS
‐
text
Dynamic
range
[default
value]
comment
Guiding
Inactive
Active
activates/deactivates
the
guiding
Guiding
value
minimum
(in
°C)
‐
100°C
–
100°C
[28
°C]
minimum
value
of
the
guiding
Guiding
value
maximum
(in
°C)
‐
100°C
–
100°C
[38
°C]
maximum
value
of
the
guiding
Setpoint
variation
at
maximum
guiding
value
(in
°C)
‐
100°C
–
100°C
[10
°C]
Setpoint
offset
at
achievement
of
the
maximum
guiding
value
Chart
32:
Guiding
The
parameter
guiding
causes
a
linear
reposition
of
the
control
value
in
dependence
of
a
guiding
value,
which
is
measured
by
an
external
sensor.
With
appropriated
parameterization
a
continuous
increment
or
decrement
of
the
control
value
can
be
caused.
For
adjusting
how
the
guiding
shall
impact
to
the
control
value,
three
settings
are
necessary:
Guiding
value
minimum
(w
min
),
guiding
value
maximum
(w
max
),
and
setpoint
variation
at
maximum
guiding
value
(
X).
The
settings
for
the
guiding
value
maximum
(w
max
)
and
minimum
(w
min
)
describe
the
range
of
temperature
in
which
the
guiding
starts
and
ends
having
impact
to
the
setpoint.
The
real
setpoint
offset
indicates
the
following
formula:
X
=
X
max
*
[(w
‐
w
min
)/(w
max
‐
w
min
)]
If
the
guiding
shall
cause
an
increment
of
the
setpoint,
you
have
to
adjust
a
positive
value
for
the
setting
“Setpoint
variation
at
maximum
guiding
value”.
If
you
wish
a
decrement
of
the
setpoint,
you
have
to
choose
negative
value
for
the
setting
“Setpoint
variation
at
maximum
guiding
value”.
The
variation
of
the
setpoint
X
is
added
to
the
basic
comfort
setpoint.
A
measured
temperature
value
for
the
guiding
above
the
adjusted
maximum
value
or
below
the
adjusted
minimum
value
has
no
effect
to
the
setpoint.
So
when
the
value
is
between
the
adjusted
guiding
values
(w
max
&
w
min
)
the
setpoint
is
increased
or
decreased.