B&R Automation PC 620 - Serial Interface COM1

104
Technical data • Entire device
Automation PC 620 with 945GME N270 CPU board User's Manual V 1.10
2.13.1 Serial interface COM1
I/O address and IRQ
The setting for the I/O address and the IRQ can be changed in the BIOS setup (under
"Advanced" - submenu "I/O Device Configuration" setting "Serial port A"). Please note any
potential conflicts with other resources when changing this setting.
Serial interfaces COM1
1)
1) The interfaces, etc. available on the device or module were numbered accordingly for easy identification. This numbering can differ from
the numbering used by the particular operating system.
Type RS232, modem-capable, not
electrically isolated
9-pin DSUB, male
UART 16550-compatible, 16-byte
FIFO
Transfer rate Max. 115 kBaud
Cable length Max. 15 meters
Pin Assignment
1 DCD
2RXD
3TXD
4DTR
5GND
6DSR
7RTS
8CTS
9RI
Table 28: Pin assignments - COM1
Resource Default setting Additional setting options
I/O address 3F8 2F8, 3E8, 2E8
IRQ IRQ4 IRQ3
Table 29: COM1 - I/O address and IRQ
COM1
1
5
6
9