ZIEHL-ABEGG DControl PKDT Series - Settings for Controller Operation; Adjusting Nominal Value via Potentiometer Set

Operating instructions Dcontrol Date 0730
TBL02_54-GB 0730 Part-No. 00153238-GB
Page 17 / 28
7.2 Settings for operation as a controller
7.2.1 Adjusting the nominal value via potentiometer “Set”
Set the desired nominal value at the setpoint potentiometer in the range from 0-100 %.
♦ At active sensors with 0-10 V or 4-20 mA (factory setting)
0-100 %^
measuring range of the sensor.
E.g., pressure control with PKDM: Pressure sensor, type MBG-30I (0-30 bar, measuring range 30
bar)
Setting 50 % ^
15 bar nominal value
For condensation pressure control at refrigeration technology
) Settings for operation: setting with pressure / temperature refrigerant medium table
♦ At passive temperature sensor TF.. (KTY10-6)
- PKDT5 0-100 % ^
0° C ... +60° C (measuring range, i. e. possible operation range 0-80° C)
- PKDM 0-100 % ^
-25° C ... +75° C (measuring range, i. e. possible operation range -25° C ... +75° C)
set
0 100
%
n-max
n-min
100 %
50 %
U Motor
actual value
n-min = 0 % n-max = 100 %
n-min = 35 % n-max = 85 %
set value
Pband
The output voltage is switched off to “0” for
a controller signal less than 15 % of
approximately 15 % of the mains voltage
that is applied. For a controller signal
greater than 20 %, the output voltage is
switched on to approx. 20 % of the mains
voltage applied.
Idealised schematic diagram
57
60
45 48 51 5433 36 39 4221 24 27
30
95
100
Set temp.
[°C]
0
369121518
75 80 85 9055 60 65 7035 40 45
50
15 20 25 30
Set Position
[%]
0
510
85 90 95
100
65 70
75
50
55 60 65 70 75 80
45 50 55 60
25
30 35 40
45
-5-10 0 5 10 15 20
25 30 35 4010 15 20
-25
-20 -15
Set Position
[%]
Set temp.
[°C]
0
5