B&R Industries Provit 5000 User Manual - page 88
Provit 5000 User’s Manual
87
Chapt
er
2
C
on
tro
lle
rs
Controllers • System Unit with Socket 7 (ZIF)
Settings:
7.7 Serial Interfaces COM1and COM2
There are two PC compatible serial interfaces with a 16 byte FIFO on the mainboard. They are
UART16550 and Plug & Play compatible.
To change these settings, see the "BIOS Settings" section in Chapter 6 "Software".
Jumper 3
Jumper
Connection
DRAM Operating Voltage
1
1 - 2
3.3 V
2 - 3
5 V (default setting)
Table 49: Jumper settings for DRAM operating voltage
Serial interfaces COM1, COM2
RS232 interface
Not electrically isolated
Up to 115 kBaud
9 pin DSUB connector
Pin
Assignment
1
DCD
2
RXD
3
TXD
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
RI
Table 50: Pin assignment COM1 and COM2
Default Settings
COM1
COM2
Interrupt
4
3
I/O Address
3F8h - 3FFh
2F8h - 2FFh
Table 51: Standard settings for COM1 and COM1