Pepper Computer Modular Computers RS485 User Manual
Page 293
SMART I/O User’s Manual
©1996 PEP Modular Computers GmbH
March 12, 1996
Page 6 - 11
Chapter 6 Communications Modules
6
char_length
:
This represents the number of data-bits within a
transmitted character and may be 5, 6, 7 or 8
stop_bits
:
The number of stop-bits supported by the communi-
cation protocol may be :
0 for 1 stop-bit
1 for 1.5 stop-bits or
2 for 2 stop-bits
parity
:
The parity bit of a data string may be :
0 for no parity
1 for odd parity or
2 for even parity
baud_rate
:
The board rates supported by the SM-RS232 are
standard values up to 19200 baud
xon_char
:
XON character; typically set to 11 hex
xoff_char
:
XOFF character: typically set to 13 hex
eor_char
:
Character to be used to detect the end of record; is
usually set to 0D hex.
The input and output devices are represented by keyboard and display
respectively.