Vaisala BAROCAP PTB330 Guida Utente Pagina 72

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User's Guide ______________________________________________________________________
70 __________________________________________________________________ M210855EN-C
0506-033
Figure 37 Connection Example Between PC Serial Port and
User Port
Connections to pins 4,6,7 and 8 on PC serial port are required only if
you are using software requiring hardware handshaking.
After power-up the barometer (in STOP mode) outputs the software
version and the command prompt.
In RUN mode a measurement output starts immediately after power-up.
NOTE
User port cannot be used when RS-485 module is connected.
1 2 3 4 5
6 7 8 9
+
RxD
GND
TxD
POWER
CONTROL
USER PORT POWER
RS-232 10…36 V=
IOIOI
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