Communication Via Radio; M-Bus Communication Module - Diehl Metering SCYLAR INT 8 Guide D'installation

is identical to the radio telegram. Customer specific requirements can be
defined by using the IZAR@Mobile 2 software.
Each port has its own primary address. Both ports have a common sec-
ondary address, which is set to the serial number ex works.

8.2.1 Communication via radio

The integrated radio module is an interface for communication with Diehl
Metering radio receivers.
Unidirectional communication has the following specification:
ƒ
The module transmits every 8 ...256 s (variable, send period 0.1 %
duty cycle (min. 8 s); depending on protocol length and program-
ming)
ƒ
The communication always transfers the currently measured data
ƒ
Transmission frequency: 868MHz or 434MHz
ƒ
Various Diehl Metering receivers are available for receiving the proto-
col (e.g. Bluetooth, GPRS, LAN, ...)
ƒ
The protocol corresponds to OMS Profile A or Profile B and is
encrypted.
ƒ
Reading modes: Walk-By, Drive-By, Fixed-Network
ƒ
For problematic radio installations (shield) the external wireless mod-
ule set can also be used

8.2.2 M-Bus Communication module

The M-Bus communication module is a serial interface for communication
with external devices (M-Bus control centres), e.g. IZAR CENTER. A num-
ber of meters can be connected to a control centre. The module contains
a 2-pole terminal strip with terminals marked 24, 25.
ƒ
The connection is not
polarity-sensitive and is
electrically isolated
ƒ
M-Bus protocol to EN 1434
standard;
ƒ
300 or 2400 baud
(auto baud detect)
ƒ
Connection option
2 x 2.5 mm²;
ƒ
Power consumption:
One M-Bus load
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