Operating Instructions

Technical Information Logamatic LON-Gateway- Subject to modifications resulting from technical improvements!
23
Network interface
3
3.3 Overview of the SNVTs for variant 4 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)
4 boilers with Logamatic EMS
or Logamatic 4000
LON_Flasher_4B 00 LON_4B_00
Tab. 44
For the data exchange between the network devices to work properly, set up the cyclical
query of the SNVTs.
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 boiler 1,2 SNVT_state(83) nvoFehler1_R1_R2
3 Error message 2 boiler 1,2 SNVT_state(83) nvoFehler2_R1_R2
4 Error message 3 boiler 1,2 SNVT_state(83) nvoFehler3_R1_R2
5 Error message 4 boiler 1,2 SNVT_state(83) nvoFehler4_R1_R2
6 Error message 1 boiler 3,4 SNVT_state(83) nvoFehler1_R3_R4
7 Error message 2 boiler 3,4 SNVT_state(83) nvoFehler2_R3_R4
8 Error message 3 boiler 3,4 SNVT_state(83) nvoFehler3_R3_R4
9 Error message 4 boiler 3,4 SNVT_state(83) nvoFehler4_R3_R4
Heating zone 1
10 Change operating mode (D/N/A) SNVT_hvac_mode (108) nviHK1TgNtAt
11 Change room set point night temperature SNVT_temp_p(105) nviHK1RaumSNt_Tp
12 Change room set point day temperature SNVT_temp_p(105) nviHK1RaumSTg_Tp
13 Display room set point temperature SNVT_temp_p(105) nvoHK1Raum_S_Tp
14 Display operating mode (D/N/A) SNVT_hvac_mode (108) nvoHK1Betrieb
15 Display heating zone supply actual temperature SNVT_temp_p(105) nvoHK1VLIst_Tp
DHW
16 Change operating mode (D/N/A) SNVT_hvac_mode (108) nviHK1TgNtAt
Tab. 45 Service menu navigator