3 com5 d-sub pinout selection (j4), 4 com5 termination resistors (j5, j6), 7 lcd voltage settings (jp9) – IEI Integration PPC-5xxx-9455 v1.00 User Manual
Page 64: Table 4-14: com5 rs-422/485 tx select, Table 4-15: com5 rs-422/485 tx select, Table 4-16: lcd voltage settings, 7 lcd voltage settings (jp9) warning
PPC-5xxx-9455 Panel PC
Page 46
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
4.5.7 LCD Voltage Settings (JP9)
WARNING:
Do not change these settings. They are set for the installed LCD panel.
Using different settings on the preinstalled monitor can destroy it.
The LCD setup sets the voltage and default monitor settings on the PPC-5xxx-9455.
JP9 LCD
Voltage
1-2
3.3 V
3-4 5
V
5-6 12
V
Table 4-16: LCD Voltage Settings