Advantech IPPC-9151 Series COM-port interface JP4, JP5, 1 COM2 RS-232/422/485 setting JP4

3.4 COM-port interface (JP4, JP5)

The panel PC provides two serial ports. COM1 (RS-232) and COM2 (RS- 232/422/485) in one COM port connector.

3.4.1 COM2 RS-232/422/485 setting (JP4)

COM2 can be configured to operate in RS-232, RS-422, or RS-485 mode. This is done via JP6.

Table 3.5: COM2 RS-232/422/485 setting (JP4)

*RS-232

17	17	15	13	1	9	7	5	5	3	3	1	1
	15		13	11	9	7
18	18	16	14	12	10	8	6	6	4	4	2	2
	16		14	12	10	8

RS-422

17	1715	15	1313	111	9	7	55		3	3 1		1
18	18	16	14	12	10	8	6	6	4	4	2	2
	16		14	12	10	8

RS-485

17	15	13	11	9	7	5	3	1
18	16	14	12	10	8	6	4	2

* default setting

The IRQ and the address ranges for COM 1 and 2 are fixed. However, if you wish to disable the port or change these parameters later you can do this in the system BIOS setup. The table overleaf shows the default set- tings for the panel PC’s serial ports.

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