3 rs-422/485 serial port connection – IEI Integration AFL2-12A-HM65 v1.12 User Manual
Page 60

AFL2-12A-HM65 Series Panel PC
Page 46
Step 4:
Secure the connector. Secure the serial device connector to the external
interface by tightening the two retention screws on either side of the connector.
4.9.3 RS-422/485 Serial Port Connection
CN Label:
COM6
CN Type:
4-pin connector
CN Location:
See
6
Figure 4-23
CN Pinouts:
See
6
Table 4-2 and
6
Figure 4-24
A RS-422/485 serial port device can be connected to the RS-422/485 serial port on the
bottom panel. The pinouts of the RS-422/485 serial port are shown below.
Figure 4-23: RS-422/485 Serial Port
Pin RS-422
RS-485
1 RX+
2 RX-
3 TX+
DATA+
4 TX-
DATA-
Table 4-2: RS-422/485 Serial Port Pinouts
To install the RS-422/485 devices, follow the steps below.
Step 1:
Locate the RS-422/RS485 connector. The location of the RS-422/RS-485
connector is shown in
6
Figure 1-6.
Step 2:
Connect the RS-422/485 connector to the RS-422/485 cable. The RS-422/485
cable can be found in the packing list and is shown in
6
Figure 4-24.