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The factory-setting of the clock in the meter is standard (winter) Central European Time (GMT +1). There is no
automatic changeover to daylight savings (summer) time.
The radio function is deactivated upon delivery (factory-setting). See chapter 1.4.1.3 & 1.4.2.3 regarding the
activation of the radio interface.
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
Transmission power
Protocol
Selectable modes
Telegrams
Encryption
1.4.1.2 Radio configuration
Parameter
Mode
Transmission period
Transmission interval
Weekdays
Weeks in a month
Months
Radio activation date
AES-128-Encryption
Type of telegram
Page 44 of 78
Article no.: 1080621023
868 MHz
up to 14 dBm
wireless M-Bus based on EN 13757-3, -4
S1 / T1 / C1
-
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)
AES: Advanced Encryption Standard; key length: 128 bits
Possible settings
S1 / T1 / C1; unidirectional
00:00 - 24:00; any time period in the day
10 seconds - 240 minutes
Monday – Sunday (any weekday)
1 – 4 (4: uninterrupted, incl. a possible 5
week)
1 - 12
01.01. - 31.12. (day. month)
-
not encrypted;
-
encrypted according to MODE 5 or
MODE 7:
-
Master Key
-
key per instrument
-
short telegram in conformity to AMR
(OMS-Spec_Vol2_Primary_v301 and
_v402)
-
long telegram for walk-by read-out
Factory setting
(Battery lifetime, estimated: 10 years)
T1 (unidirectional)
8:00 am - 6:00 pm
120 seconds (heat meters)
Monday - Friday
th
1 – 4 (4: uninterrupted)
1 - 12
not set
Master Key; not activated
short telegram (AMR)
2022_02_14
Subject to technical change! Errors excepted.
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