2 rs-232/422/485 serial interface pinouts, Figure 3–7: serial port pinouts, Table 3-6: serial port pinouts – IEI Integration IOVU-752S User Manual
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IOVU-752S Panel PC
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3.3.3.2 RS-232/422/485 Serial Interface Pinouts
Pinouts for the RS-232/422/485 serial port are shown below.
Pin RS-232
RS-422
RS-485
1
RX-
DATA-
2 RX
RX+
DATA+
3 TX
TX-
4
5 GND
GND
GND
6
7
TX+
8
9
Table 3-6: Serial Port Pinouts
Figure 3–7: Serial Port Pinouts
To select RS-232, RS-422, or RS-485 mode, please follow the directions below.
Step 1:
Select "Start > Programs > IEI > IEI CEUTILITY.exe" to run
IEI_CEUTILITY.exe.
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