B: Network Configuration Using UDP
XPress™ DR Industrial Device Server User Guide
78
Table B-6 Common Interface Mode Settings
Option
Binary
Hex
RS-232C, 8-bit, No Parity, 1 stop bit
(1)
0100 1100
4C
RS-232C, 7-bit, Even Parity, 1 stop bit
(1)
0111 1000
78
RS-485 2-Wire, 8-bit, No Parity, 1 stop bit
(1)
0100 1111
4F
RS-422, 8-bit, Odd Parity, 2 stop bits
(1)
1101 1101
DD
(1) The XPress DR requires you to choose the correct setting in the IF mode, and to also set the
front-panel switch for selection of RS-232/RS-485.
Note:
See Table 11-1 Binary to Hexadecimal Conversion Table.
Baud Rate
The device server and attached serial device must agree on a speed or baud rate to use for the
serial connection. Use the following table to select Baud Rate settings:
Table B-7 Baud Rate Settings
Speed (bps)
Hex
38400
00
19200
01
9600
02
4800
03
2400
04
1200
05
600
06
300
07
115200
08
57600
09
Flow Control
Flow control sets the local handshaking method for stopping serial input/output. Generally, flow
control is not required if the connection is used to pass a blocked protocol with block sizes less
than 1k (ACK/NAK) and/or speeds of 19200 or less. Use the following table to select Flow Control
options:
Table B-8 Flow Control Options
Option
Hex
No flow control
00
XON/XOFF flow control
01
Hardware handshake with RTS/CTS lines 02
XON/XOFF pass characters to host
05