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Network interface
3
3.2 Description of the SNVTs for variant 2 boilers
Note:
The right column indicates the number of bytes.
3.2.1 General
0
Time
Tab. 8
Value for comparison of the time in the Buderus control system with the LON network
Format: YYYY/MM/DD hh:mm:ss
1
Outdoor temperature
Tab. 9
Display of the current outdoor temperature
Note:
230 °F (110 °C) is an invalid value (e.g. no temperature sensor connected, sensor defective, etc.)
2
Error message 1 control
panel address 1 + 2
Tab. 10 Output for error messages: error 1 of control panel 1 and 2
For the error list, see Chapter 7, page 43.
Error messages are displayed as 2-byte values (2 x 8 bits). The first byte (the first 8 bits seen from
the left) is the interpretation of the error message of control panel address 2. The second byte (the
remaining 8 bits) is the interpretation of the error message of control panel address 1:
First byte - error boiler 2
Display
0
0
Interpretation
2
Tab. 11
Errors are displayed as binary values and must be converted to decimal values. By comparing with
the error list (see Chapter 7, page 43), the associated texts are assigned to the error numbers.
Example: see page 27
14
Technical Information Logamatic LON-Gateway - Subject to modifications resulting from technical improvements!
0
0
0
0
1
2
3
4
2
2
2
2
SNVT_time_ stamp(84)
SNVT_temp_p(105)
SNVT_state(83)
Second byte - error boiler 1
0
0
0
0
5
6
7
0
2
2
2
2
nviUhrzeit
nvoAussen_Tp
nvoFehler1
0
0
0
0
1
2
3
4
2
2
2
2
7
2
2
0
0
0
5
6
7
2
2
2
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