6.4 Communication Objects of Temperature Sensor

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Figure 6.4 Temperature Sensor Communication Objects

No.

Function

Name of Communication Object

Type

Flag

DPT

289

Temperature value

Temperature

2bytes

C,R,T

9.001  DPT Temperature

This communication object is used to send the device temperature sensor value to the bus. The value can come from a local sensor or from another sensor on the bus.

290

Extern temperature

value

Temperature

2bytes

C,W,T,U

9.001 _DPT_Temperature

This communication object is used to receive values from an external temperature sensor via the bus.

291

Low temperature alarm

Temperature

1bit

C,R,T

1.005 DPT Alarm

This communication object is used to output a low-temperature alarm message to the bus.

292

Low temperature alarm

Temperature

1bit

C,R,T

1.005 DPT Alarm

This communication object is used to output a high-temperature alarm message to the bus.

Table 6.4 Temperature Sensor Communication Objects