Figure 10
Wiring of the SPA-2 with a data logger via RS-485
11.3.4 How do I configure it?
The SPA-2 has serial RS-485 communication enabled by default. If the device is integrated into a RS-
485 network or connected to a stand-alone data acquisition system, e.g. a data logger, the para-
meters listed in
may need to be adapted:
By default the serial port of the SPA-2 is configured as follows:
Baud rate
9600
Data bits
8
Parity
none
Stop bits
1
Flow control none
11.3.5 How is the output structured?
Data are returned in two different formats, selectable in
:
l
l
11.3.6 Sommer protocol
The data string of the Sommer protocol has the following format:
11
S
er
ia
lc
o
m
m
u
n
ic
at
io
n
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Manual
