Radio Box; Radio Module 433 Mhz (Green); Radio Module 2.4 Ghz (Blue) - Bosch FWA 43 Series Maintenance Instructions Manual

10.

Radio box

10.1

Radio module 433 MHz (green)

1 Antenna 433 MHz (standard)
2 Adapter
3 Radio module
10.2

Radio module 2.4 GHz (blue)

1 Antenna 2.4 GHz
2 Adapter
3 Radio module
R
The radio box contains a radio module with 433 MGz
or 2.4 GHz.
R
The radio module of measuring element (MWA) and
the radio box are not identical in design. They differ
in the position of aerial socket.
Robert Bosch GmbH
Radio box | FWA 43xx / FWA 44xx | 21
Tasks
R
Data transmission to MWA
R
Data receipt from MWA
R
Communication with MWA
Function
The radio modules transmit on 433 MHz. or 2.4 GHz,
the measuring commands to measuring element (MWA)
and receive the determined measuring values from
them.
Power supply
R
The radio modules are supplied a voltage of 5 V DC.
R
The supply is taken from the splitter board.
R
5 V DC is generated on the communication processor.
Fig. 24: Connector pin assignment
1 Connection to the splitter board
Connector pin assignment (from top to bottom)
Pin 1 = Measure
Pin 2 = Data
Pin 3 = + 5.00 VDC
Pin 4 = Data
2 connectors for "Flashing" the radio module software
3 Not assigned: Status indication of the radio data transfer
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1 690 326 006 2008-8-25