User Manual

PPC-51xxA-H61 Panel PC
Page 29
3.6.4 COM5 RS-232/422/485 Serial Port Selection Jumper
Jumper Label: JP2
Jumper Type:
4-pin header
Jumper Settings:
See
Table 3-4
Jumper Location:
See
Figure 3-3
The COM5 RS-232/422/485 Serial Port Selection jumper sets the communication protocol
used by the COM5 serial communications port as RS-232, RS-422 or RS-485. The COM5
RS-232/422/485 Serial Port Selection settings are shown in
7Table 3-4.
COM5 Mode Pin 1-2 Pin 3-4
RS-232 (Default) Short Open
RS-422 Short Short
RS-485 (Default: RX) Open Short
RS-485 (Default: TX) Open Open
Table 3-4: COM5 RS-232/422/485 Serial Port Selection Jumper Settings
The COM5 RS-232/422/485 Serial Port Select jumper location is shown in Figure 3-3.
Figure 3-3: COM5 RS-232/422/485 Serial Port Selection Jumper Location