Technical data

Rexroth IndraDyn H Notes Regarding Application 9-17
DOK-MOTOR*-MBS-H******-PR02-EN-P
Sensor Temperaturmessung KTY84-130
Anschlussadern (+) und (-)
500
600
700
800
900
1000
1100
1200
1300
1400
1500
10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170
Temperatur Motorwicklung in °C
Widerstand Temperatursensor in Ohm
Fig. 9-28: Characteristic curve of the KTY84-130 sensors for temperature
monitoring (PTC)
DRCRBRAT
KTY
2
KTY
3
KTYw
+⋅+⋅+⋅=
T
w
: Winding temperature of the motor in °C
R
KTY
: Resistance of the temperature sensor in Ohms
A: 3.039 ·10
-8
B: -1.44 ·10
-4
C: 0.358
D: -143.78
Fig. 9-29: Polynomial used for determining the temperature with a known
sensor resistance (KTY84)
DTCTBTAR
w
2
w
3
wKTY
+⋅+⋅+⋅=
T
w
: Winding temperature of the motor in °C
R
KTY
: Resistance of the temperature sensor in Ohms
A: 1.065 ·10
-6
B: 0.011
C: 3.93
D: 492.78
Fig. 9-30: Polynomial used for determining the sensor resistance (KTY84) with
a known temperature
You can find further information about connecting temperature sensors
in chapter 8, “Connection Techniques”.
Temperature vs. resistance
Resistance vs. temperature