Data Sheet for Product

17
Siemens
023_A6V11905989_en
2022-01-
07
Connection of outputs
M-bus module T45-M-Bus
Function description
The M-bus module T45-MBUS enables the meter to communicate with an M-bus central
communication unit to transmit the measured values.
The data in the M-bus module is up-to-date on each read out. The maximum read-out
frequency is once a minute at 2400 baud or once an hour at 300 baud.
NOTICE
The M-bus module is equipped with a double terminal. This permits a daisy chain. So that
multiple meters can be easily connected; an external split box is no longer required.
RF module 868 MHz T45-RADIO, 868 MHz T45-RADIO-EXT
Function description
RF module T45-RADIO enables wireless communication by the meter with a mobile or
stationary receiver at 868 MHz. The maximum range in a free field of view is 400 meters.
RF module T45-RADIOD has an internal antenna on the PCB.
RF module T45-RADIO-EXT has an external antenna connection.