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Technical Manual – Room Temperature Controller SCN-RT1
▪
Send actual value after change of
This functions sets when the current temperature value shall be sent. By choosing the setting
"disable", no value will be sent at all.
▪
Send actual temperature cyclically
You can activate this function by choosing a time. Now, the room temperature controller
sends the current temperature periodically after the adjusted time. This function is
independent from the function "Send actual value after change of". So the temperature
controller will send its current value also if there is no change of it.
▪
Internal sensor correction value (value*0,1K)
You can correct the measured temperature value by this setting. By choosing a negative
value for this parameter, the measured value will be lowered and by choosing a positive
value, the measured value will be lifted. The value is multiplied by 0,1K, so the current value
can be lowered or lifted up to 5K. This setting is useful, when the sensor was built at an
unfavorable location, e.g. becoming draft or next to a window. When this function is
activated, the temperature controller will also send the corrected values.
All sensors are matched in-plant to 0,1K.
The chart shows the relevant communication object for the temperature value:
Number
Name
0
Actual temperature value 2 Byte
Table 5: Communication object temperature value
▪
Send min/max value
This function activates the sending and saving of the min/max values. When the function is
activated by "Send enable", three communication objects will be shown. Two objects for the
Min and the Max value and one for the reset of the min/max values.
The chart shows the relevant communication objects for this parameter:
Number
Name
21
Max memory value
22
Min memory value
23
Min/Max memory reset
Table 6: Communication objects Min/Max values
▪
Internal/external sensor
This setting sets the balance between an internal and an external sensor. The setting 100%
intern deactivates any external sensor. By choosing any other setting, an external sensor will
be activated. So, also communication objects for the external are shown. A balance of 100%
extern deactivates the internal sensor and the temperature controller will only note values of
the external sensor.
The communication objects for an activated external sensor are shown at the chart:
Number
Name
5
External sensor
28
Error external sensor
Table 7: Communication objects external sensor
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Length
Usage
sends the current temperature value
Length
Usage
2 Byte
sends and saves the maximal temperature
value
2 Byte
sends and saves the minimal temperature value
1 Bit
resets the min/max values
Length
Usage
2 Byte
sends the measured temperature value of the
external sensor
1 Bit
sends an error, when the external sensor sends
no value for more than 30min
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