Technical Information Logamatic LON-Gateway - Subject to modifications resulting from technical improvements!
11
Network interface
3
3
Network interface
3.1
Overview of the SNVTs for variant 2 boilers
The prerequisite for the proper function is that the firmware on the LON-Gateway interface has at
least the version number indicated below and the following application file is used:
Communication via the Logamatic LON-Gateway takes place using standard network variable types
(SNVT). Standard configuration parameter types (SCPTs) are not used.
Alternative
Buderus
(alternative of the LON-Flasher)
LON application file
(XIF file)
2 boilers with Logamatic EMS
LON_Flasher_2B_E_00
LON_2B_00
2 boilers with Logamatic 4000
LON_Flasher_2B_00
LON_2B_00
Tab. 6
Set the system up for repeated reading of SNVTs, which ensure data exchange
between the network participants.
No. Meaning
SNVT type
SNVT name
General
0
Time
SNVT_time_ stamp(84)
nviUhrzeit
1
Outdoor temperature
SNVT_temp_p(105)
nvoAussen_Tp
2
Error message 1 control unit addresses 1 + 2
SNVT_state(83)
nvoFehler1
3
Error message 2 control unit addresses 1 + 2
SNVT_state(83)
nvoFehler2
4
Error message 3 control unit addresses 1 + 2
SNVT_state(83)
nvoFehler3
5
Error message 4 control unit addresses 1 + 2
SNVT_state(83)
nvoFehler4
Heating zone 1
6
Change operating mode (D/N/A)
SNVT_hvac_mode(108)
nviHK1TgNtAt
7
Change room set point night temperature
SNVT_temp_p(105)
nviHK1RaumSNt_Tp
8
Change room set point day temperature
SNVT_temp_p(105)
nviHK1RaumSTg_Tp
9
Display room set point temperature
SNVT_temp_p(105)
nvoHK1Raum_S_Tp
10
Display operating mode (D/N/A)
SNVT_hvac_mode(108)
nvoHK1Betrieb
11
Display heating zone supply actual temperature
SNVT_temp_p(105)
nvoHK1VLIst_Tp
Heating zone 2
12
Change operating mode (D/N/A)
SNVT_hvac_mode(108)
nviHK2TgNtAt
13
Change room set point night temperature
SNVT_temp_p(105)
nviHK2RaumSNt_Tp
14
Change room set point day temperature
SNVT_temp_p(105)
nviHK2RaumSTg_Tp
Tab. 7
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