MDT Technologies SCN-RTRGS.02, Техническое руководство

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Technical Manual
Glass Room Temperature Controller Smart SCN-RTRGx.02
MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 • Germany
Phone: +49-2263- 880 • knx@mdt.de • www.mdt.de
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Heating via Lux value
Reference variable
minimum 20000 – 100000 Lux
[30000 Lux]
Lower respectively upper
response value of the reference
control.
Reference variable
maximum 20000 – 100000 Lux
[80000 Lux]
Setpoint change at
maximum reference
variable - 5 … -0,5 K
[-2 K]
Change of the setpoint when the
maximum reference variable is
reached.
Threshold outdoor
temperature
▪
not active
▪
active
Activation of a threshold.
Only available with "Heating..."
Reference control
released from 5 … 35 °C
[15°C]
Setting at which temperature the
reference control takes effect.
Only for "Threshold... - active".
Available for all settings:
Current setpoint
considers "Reference
control"
▪
not active
▪
active
Setting whether the current
setpoint is to be considered for
the reference control.
Table 46: Settings – Reference control
General description of the functionality of the "Reference control” :
The " Reference control " parameter makes it possible to linearly track the setpoint as a function of
any reference variable, which is recorded via an external sensor. With appropriate configuration, a
continuous increase or decrease of the setpoint can be achieved.
To determine the extent to which reference control affects the setpoint, three settings must be
made:
Minimum reference variable (w
min
), maximum reference variable (w
max
), and the setpoint
change at maximum reference variable ( X).
The settings for the reference variable maximum (w
max
) and minimum (w
min
) describe the
temperature range in which the reference variable begins and ends to influence the setpoint. The
setpoint change at maximum reference variable (
X
max
) describes the ratio of how strongly an
increase in the reference temperature affects the setpoint. The actual setpoint change then results
from the following relationship:
X = X
max
* [(w - w
min
)/(w
max
- w
min
)]
If the reference control is to be increased, a positive value must be set for the "setpoint change at
maximum reference variable". If, on the other hand, a setpoint reduction is desired, the "setpoint
change at maximum command value" must be set to a negative value.
The setpoint change
X is then added to the basic comfort value.
A value above or below the reference value has no effect on the setpoint change. As soon as the
value is within the reference variable (i.e. between w
max
& w
min
), the setpoint is lowered or raised.