Communication Processor; Tasks; Function; Pin Assignment - Bosch FWA 43 Series Maintenance Instructions Manual

6.

Communication processor

6.1

Tasks

R
Communication control
R
Data transfer on PC (serial)
R
Saving the channel number (max. 6 transmission
channel)
6.2

Function

The communication processor (KP) is a central
manager for the measuring functions.
The installation location is different depending on the
type of device (radio or cable).
R
The connection between communication processor
(KP) and PC interface COM 2 is done using a 9 pin
serial cable.
R
The connection between communication processor
(KP) and 4 measuring elements (MWA) is made
using a splitter box or mess box.
R
Radio devices have KP built in the mess box. The
mess box also serves for loading the batteries.
i
In emergency cable operation (Breakdown radio),
the measuring element can be connected to the
mess box.
R
KP is installed in PC in case of cable equipments.
A splitter box manages the connection possibilities
of the measuring element.
i
The KP, in case of radio or cable devices, serves for
data transfer of measuring elements (MWA) sensors.
Robert Bosch GmbH
Communication processor | FWA 43xx / FWA 44xx | 11
6.3

Pin assignment

Fig. 6: Pin assignment
1 Power supply 12 V through PC-mains adapter
2 Serial connection COM 2 from PC
3 DIP- Switch (not used)l
4 Not assigned (for ex-works programming)
5 Not assigned
6 Outlet to splitter box
7 Not assigned
Fig. 7:
1 Serial connection COM 2 from PC
2 DIP- Switch (not used)
3 Not assigned (for ex-works programming)
4 Connection to Splitter board
.
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1 690 326 006 2008-8-25