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The temperature monitoring relays for IO-Link are used to measure temperatures in solid, liquid and gas media.
The temperature is calculated using a sensor in the medium, evaluated by the device and monitored up to two limit values for overshooting or undershooting a working range (window function).
In addition to warnings and disconnection in case of temperature deviations, the devices can also be used as a temperature controller (one-point, two-point or three-point control).
The devices differ from one another in terms of the type and number of connectable temperature sensors.
- 3RS14: Connection for resistance sensor
- 3RS15: Connection for thermoelements
|
Function |
Temperature monitoring relays |
||
|---|---|---|---|
|
3RS14 40 |
3RS14 41 |
3RS15 40 |
|
|
Connectable sensor type |
|||
|
Number of sensors monitored |
1 |
3 |
1 |
|
Resistance sensor |
x |
-- |
x |
|
Thermoelements |
-- |
-- |
x |
|
Temperature monitoring |
|||
|
Temperature monitoring - exceeded |
x |
x |
x |
|
Temperature monitoring - undershoot |
x |
x |
x |
|
Number of adjustable limit values |
2 |
2 |
2 |
x Function supported
-- Function not supported
Conventional temperature monitoring relay
Temperature monitoring relays for IO-Link
Notes:
Devices required for the communication via IO-Link:
- Any controller that supports the IO-Link (e. g. ET200S with CPU or S7-300 plus ET200S9 distributed peripherals)
- IO-Link master (IO-Link master 4SI IO-Link or 4SI SIRIUS interface module, which can connect all SIRIUS IO-Link devices to a controller)
Each monitoring relay requires an IO-Link channel.
Order No. scheme
|
Digit of the Order No. |
1. - 3. |
4. |
5. |
6. |
7. |
|
8. |
9. |
10. |
11. |
12. |
|---|---|---|---|---|---|---|---|---|---|---|---|
|
Temperature monitoring relays |
3RS |
||||||||||
|
Device type |
|||||||||||
|
Design and sensor type |
|||||||||||
|
Connection method |
|||||||||||
|
Number and type of outputs |
|||||||||||
|
Control supply voltage |
|||||||||||
|
Measuring range |
|||||||||||
|
Special versions |
|||||||||||
|
Example |
3RS |
1 |
4 |
4 |
0 |
– |
1 |
H |
B |
5 |
0 |
Note:
The Order No. scheme is presented here merely for information purposes and for better understanding of the logic behind the order numbers.