15
Application 3: Integriation of an external temperature value
Task:
The temperature value of an external temperature sensor (KTY83) shall be integrated over time and saved in the
parameter memory.
Steps:
1. Connection of the temperature sensor to the temperature input of the UMG507AD/E/EP/P
2. Select temperature sensor
3. Configuration of the integrator
4. Program comparator
5. Fixing of I/O configuration.
The following conventions have been made
1. The temperature sensor is of the type KTY83-110.
2. The integration time is 15 minutes.
3. After 15 minutes the mean value must be saved in the parameter memory.
Description:
The external temperature value of KTY83-110 is measured over 15 minutes average. The integral value of the integrator
no. 1 can be found in parameter address 3449 and must be reset and saved after 15 minutes. This is done with a
second timer, which is supervised by a comparator.
+24V=
GND
30
29
28
27
26
25
24
Analog Input
0 .. 20 mA
Analog Input
"PT 100"
VCC
GND
UMG507
Analogeingänge
KTY83-110
a
b
Step 1:
The following temperature sensors can be used:
- KTY83
(-55 to +175°C)
- KTY84
(-40 to +300°C)
- PT100
(-99 to +500°C)
- PT1000
(-99 to +500°C)
Important:
- The total load must not exceed 4kOhm!
- Please note, that the negative pole must be connected to terminal 24 while connecting KTY.
The following example shows the connection of a KTY83-110.
