Nortec HumDigital User Manual
Page 23
Created: 04.06.2007
23
Changed: 21.12.2007
Printed: 02.03.2009
The parameters transferred can only be read; it is not possible to change the
settings via the BMS.
3.1.2 Telegram
Every five seconds, the HumCenter sends a telegram with the parameters
described above. The following is an explanation of the symbols used in the
telegram and the telegram layout, using an example.
The following symbols are used in the telegram:
Symbol
Description
Notes
*
Start symbol
Start of telegram
A
– Z
Identifier
Identifies the parameter
:
Index
Index in case of array data (D:1)
;
Data separator
Separates the data (D:1; 25.0; 50.0
– “;”
separates the data from the index and
the temperature from the humidity)
.
Decimal point
CR+LF
End of line
Lines of telegram finish with a “carriage
return” and “line feed”.
Layout of a sample telegram with the following configuration:
- 3 zones (HumSpots)
- 2 containers
Telegram:
*A07;11;2007;11;29;04;B0C2D:1;43.3;24.8;D:2;42.5;23.3;D3:40.8;20.1Z3221
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The telegram contains the following information:
- Date/time: 07.11.2007, 11:29:04 (A07;11;2007;11;29;04)
- Zone alarms: No alarm (B0)
- Container alarms: Container 2 alarm (C2)
- Zone 1 values: Humidity: 43.3 % rH, temp.: 24.8 °C
(D:1;43.3;24.8)
- Zone 2 values: Humidity: 42.5 % rH, temp.: 23.3 °C
(D:1;42.5;23.3)