Pagina 39 di 93 Codice doc. 1080622209
Versione: 2022_02_21
Salvo modifiche tecniche
1.4.1 Radio interface wireless M-Bus EN 13757-3, -4 (optional)
The radio interface transmits meter data (absolute values).
1.4.1.1 Technical data radio
Frequency
868 MHz
Transmission power
up to 14 dBm
Protocol
wireless M-Bus based on EN 13757-3, -4
Selectable modes
S1 / T1 / C1
Telegrams
-
short telegram in conformity to AMR (OMS-Spec_Vol2_Primary_v301 and _v402):
energy (heat/cooling energy, pulse input 1 to pulse input 3), total volume, flow,
power, information message, outlet flow temperature, temperature difference
-
long telegram for walk-by read-out: energy (heat/cooling energy, pulse input 1 to
pulse input 3), total volume, information message, 15 monthly or 30 semimonthly
values (compact mode)
Encryption
AES: Advanced Encryption Standard; key length: 128 bits
1.4.1.2 Radio configuration
Parameter
Possible settings
Factory setting
(Battery lifetime, estimated: 10 years)
Mode
S1 / T1 / C1; unidirectional
T1 (unidirectional)
Transmission period 00:00 - 24:00; any time period in the day
8:00 am - 6:00 pm
Transmission interval 10 seconds - 240 minutes
120 seconds (heat meters)
Weekdays
Monday – Sunday (any weekday)
Monday - Friday
Weeks in a month
1 – 4 (4: uninterrupted, incl. a possible 5
th
week)
1 – 4 (4: uninterrupted)
Months
1 - 12
1 - 12
Radio activation date 01.01. - 31.12. (day. month)
not set
AES-128-Encryption
-
not encrypted;
-
encrypted according to MODE 5 or
MODE 7:
-
Master Key
-
key per instrument
Master Key; not activated
Type of telegram
-
short telegram in conformity to AMR
(OMS-Spec_Vol2_Primary_v301 and
_v402)
-
long telegram for walk-by read-out
short telegram (AMR)
1.4.1.3 Activation of the radio interface
The radio interface
leaves the factory deactivated
. It can be activated as follows:
a) The radio function can be activated by pressing the push-button.
