Digital Inputs - Rotex Controller Series Product Documentation

EbV
14.2 Technical data for sensor and digital inputs
14.2.1 Sensor Resistance Values
Resistance values KTY-sensor for AF, H-GENS/BS, DHWS, VF1, VF2, VI1 (setting not FGS), VI2,
VI3, SPBU
°C kOhm °C
-20 1.386 0
-18 1.393 2
-16 1.418 4
-14 1.444 6
-12 1.469 8
-10 1.495 10
-8 1.522 12
-6 1.549 14
-4 1.576 16
-2 1.603 18
Resistance values PT 1000-sensor for VI1 (setting FGS), SPFS
°C Ohm °C
0 1000.0 80
10 1039.02 85
20 1077.93 90
25 1093.46 95
30 1116.72 100
40 1155.39 105
50 1193.95 110
60 1232.39 115
70 1270.72 120
75 1289.84 130
14.2.2 Sensor measuring ranges
Designation
Outdoor sensor
Boiler sensor
Flow sensor 1
Flow sensor 2
DHW sensor
Solar panel flow sensor
Solar panel tank / buffer sensor
Variable input VI1 *)
Variable input VI2
Variable input VI3
14.2.3

Digital inputs

Designation
Impulse sensor
Op. hours counter burner stage 1
Op. hours counter burner stage 1
*)
According to selected function, PT 1000 can be used for flue gas sensor connection.
14-2
Product documentation THETA NORM/UNIT
kOhm °C kOhm
1.630 20 1.922
1.658 25 2.000
1.686 30 2.080
1.714 35 2.161
1.743 40 2.245
1.772 45 2.330
1.802 50 2.418
1.831 55 2.507
1.862 60 2.598
1.892 65 2.691
Ohm °C Ohm
1308.93 140 1535.75
1327.99 150 1573.15
1347.02 160 1610.43
1366.03 170 1647.60
1385.00 180 1684.65
1403.95 190 1721.58
1422.86 200 1758.40
1441.75 220 1831.68
1460.61 240 1904.51
1498.24 260 1976.86
Abbreviation Sensor type
OS KTY
BS KTY
VF1 KTY
VF2 KTY
DHWS KTY
SPFS PT1000
SPBU KTY
VI1 KTY
PT1000
VI2 KTY
VI3 KTY
Abbreviation Sensor type
PIN Low voltage
OHC1 230 V
OHC2 230 V
°C kOhm
70 2.786
75 2.883
80 2.982
85 3.082
90 3.185
95 3.290
100 3.396
°C Ohm
280 2048.76
300 2120.19
320 2191.15
340 2261.66
360 2331.69
380 2401.27
400 2470.38
450 2641.12
500 2811.00
Measuring
range
-50°C...90°C
-50°C...120°C
-50°C...120°C
-50°C...120°C
-50°C...120°C
-50°C...210°C
-50°C...120°C
-50°C...120°C
-50°C...500°C
-50°C...120°C
-50°C...120°C
Measuring
range
<= 10 Hz
OFF, ON
OFF, ON