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7
USB Interface Configuration used in online and
database mode
The USB connection to the ARE H9 is established as an additional com port via a USB bridge
driver on the host PC. The protocol uses the RS232 specification with the settings:
19200 Baud, 8 Data bits, no party bit, one stop bit, no hardware handshake.
8
RS232 Interface Settings
**)
If the ARE H9 Rs232 is used on a PC a Rs232-Crossover (lines Rxd, Txd are crossed) is
necessary.
In Operation Mode “Database/Ser.” and “online” are the following communication settings in
use:
9600 Baud, 8 Data bits, no party bit, one stop bit, no hardware handshake.
9
Control Characters used in the online mode
character value
hexadecimal
Function
<NL>
0x00
zero character, terminates text element
<STX>
0x02
start of text
<CR>
0x0D
carriage return
<LF>
0x0A
line feed
**)
only in Rs232 version
