T
erminals
at
the
front
of
the
ontroller
b
oa
rd
6.13
T
6.13.4
Communiation
interfae
RS232
The front-sided sub-D-socket X23 has the following pin assignment
Figure 6.44: Communication connection RS232
Pin no.
Assignment
1
Not assigned
2
TxD
3
RxD
4
Not assigned
5
GND
6
Not assigned
7
RTS
8
CTS
9
Not assigned
1)
1)
At Devices which were delivered until 03/2007, pin 9 of the socket is connected to the +5V supply of the
RS232 interface.
NOTE
Use a regular serial connecting cable from the computing equipment shop or a 1:1 connected
shielded cable to connect the PC or notebook. Regard, that there are no output signals (espe-
cially pin 9), which are short-circuited by deviating pin assignments at wiring the cable.
Instrution
Manual
b
maXX®
BM3400
101
Do
ument
No.:
5.07013.03
from
206
Summary of Contents for b maXX BM3400 Series
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