User Guide
V 1.8 47 / 64
Communication
Both channels can be read out via communication interface. Channel A and B are separately
addressed and read out. There is one primary and one secondary address each available for channel
A and B. For each interface, addresses, Baud rates, telegrams, and protocols can be separately
adjusted via the buttons.
Baud rate options:
300 to 9,600 bauds.
Primary or secondary addressing
Protocol selectable: M-Bus, EN61107
Answer telegram selectable
M-Bus
A remote reading of the meter data can be conducted with the M-Bus interface.
The transmission is serially made via reverse polarity proof two-wire line between the external devices
(slaves) and the M-BUS level-converter (master) e.g. IZAR CENTER
Several meters can be connected to a control center.
M-Bus:
clamps 24/25 green
M-Bus module refers to EN13757 standard
Connections for up to:
2 x 1.5 mm² wires
galvanic insulation:
YES
Maximum voltage:
50 V DC
Current drawn:
one M-Bus- load
Optical Infrared Interface
A infrared interface is available for optical communication.
Infrared interface according to ZVEI
USB Interface
A USB interface is available for communication.
Optional interfaces
The calculator has four slots for extension modules,
e.g. for a 2
nd
M-Bus.
