IEI Integration PPC-5xxx-9455 v1.10 - Manual (Page 65)

PPC-5xxx-9455 Panel PC
Page 47
4.5.6.3 COM5 D-Sub Pinout Selection (J4)
Jumper J4 sets the external COM5 serial port as RS-232 or RS-422/485.
J4 DESCRIPTION
1-2, 4-5, 7-8, 10-11 RS-232
2-3, 5-6, 8-9, 11-12 RS-422/485
Table 4-14: COM5 RS-422/485 TX Select
4.5.6.4 COM5 Termination Resistors (J5, J6)
The termination resistors J5 and J6 can remedy communication errors for RS-422/485
setups with cables over 1.5 km in length
J5 J6 DESCRIPTION
Open Open No terminator resistor set
Closed Closed Termination resistor set
Table 4-15: COM5 RS-422/485 TX Select
4.5.6.5 COM5 RS-422 and RS-485 Pinouts
The pinouts for RS-422 and RS-485 operation of serial port COM 5 are detailed below.
COM 5 RS-422 Description
Pin 1 TX-
Pin 2 TX+
Pin 6 RX-
Pin 7 RX+
Table 4-16: RS-422 Pinouts
COM 5 RS-485 Description
Pin 1 Data-
Pin 2 Data+
Table 4-17: RS-485 Pinouts