Industrial PCs OPC6012/6015
27
© ads-tec GmbH • Heinrich-Hertz-Str. 1 • D-72622 Nürtingen
6.5
S
ERIAL
COM
INTERFACE
(RS232)
The serial interface is used for digital data transmission. The RS232 interface can be
connected by using a commercially available 9-pin SUB-D cable.
Note:
Pin 9 of the serial interface connector can be used for additional switching of a 5V
power supply, e.g. for operating a serial barcode scanner. The
COM +5V
switch in
the
service slot of the device must be put
in the
ON
position in order to use this
function. A subsequent restart of the computer might be required in order to
properly activate this function.
PIN-NUMBER
SIGNAL NAME
1
DCD
2
RxD
3
TxD
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
RI oder + 5V DC (max. 1 A)
Note:
This interface is not electrically isolated.
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