Technical Manual
Glass Room Temperature Controller Smart SCN-RTRGx.02
MDT technologies GmbH •
51766 Engelskirchen • Papiermühle 1
•
Germany
Phone: +49-2263-
880 • [email protected] • www.mdt.de
60
60
4.4.4.2 PI control switching (PWM)
The following setting options are available (here: operating mode
“H
eating
”
):
Figure 27: Settings
–
PI control switching (PWM)
The PWM control is a further development of the PI control. All settings possible for PI control can
also be made here. In addition, the PWM cycle time can be set.
The following table shows the settings for switching PI control:
ETS-Text
Dynamic range
[Default value]
Comment
Direction of controller
▪
normal
▪
inverted
Specifies the control behaviour
with rising temperature.
Maximum value of
control value
100%
; 90%; 80%; 75%; 70%; 60%;
50%; 40%; 30%; 25%; 20%; 10%; 0%
Specifies the output power of the
control value in maximum
operation.
Heating system
▪
Water heating (4K / 120 min)
▪
Underfloor heating (4K / 150 min)
▪
Split Unit (4K / 60min)
▪
Adjustment via control parameter
Setting the heating system used.
Individual configuration possible
via setting 4.
Cooling system
▪
Split Unit (4K / 60 min)
▪
Cooling ceiling (4K / 150 min)
▪
Adjustment via control parameter
Setting of the cooling system
used. Individual configuration
possible via setting 3.
Proportional range
1 K - 20 K
[4 K]
Only with setting "Adjustment
via control parameters
".
Here the proportional band can
be set freely.
Reset time
15 min
–
240 min
[150 min]
Only with setting "Adjustment
via control parameters
".
The integral range can be freely
adjusted here.
PWM cycle
1
–
30 min
[10 min]
Setting the PWM cycle time.
Includes the total time of a
switch-on and switch-off pulse.
Send control value
cyclically
not active, 1 min, 2 min, 3 min, 4 min,
5 min
, 10 min, 15 min, 20 min, 30 min,
40 min, 50 min, 60 min
Activation of cyclical sending of
the control value with setting of
the cycle time.
Table 63: Settings
–
PI control switching (PWM)