RS-232/422 Host Port
6-4
MS-860 Industrial Raster Reader User’s Manual
Data Bits, Host Port
Host Protocol
Point-to-Point (standard)
Usage:
Only changed if necessary to match host setting.
Definition:
Number of bits in each character.
Serial Cmd:
<
K100,
baud rate,parity,stop bits,
data bits
>
Default:
Seven
Options:
0 = Seven
1 = Eight
Usage:
In general, the point-to-point protocols will work well in most applica-
tions. They require no address and must use RS-232 or RS-422 commu-
nications standards.
Definition:
Protocols define the sequence and format in which information is trans-
ferred between the reader and the host, or in the case of
Multidrop,
between readers and a concentrator.
Serial Cmd:
<
K140,
protocol>
Default:
Point-to-Point
Options:
0 = Point-to-Point
1 = Point-to-Point with RTS/CTS
2 = Point-to-Point with XON/XOFF
3 = Point-to-Point with RTS/CTS &
XON/XOFF
4 = Polling Mode D
5 = Multidrop
6 = User Defined
7 = User Defined Multidrop
If selecting one of the options from 0 to 4 (
Point-to-Point, Point-to-
Point with RTS/CTS, Point-to-Point with XON/XOFF, Point-to-
Point with RTS/CTS and XON/XOFF, or Polling Mode D), use the
<
K140,
protocol> format.
Options 5 through 7 are special cases and are discussed later in this
section.
Usage:
Used only with RS-232 or RS-422.
Definition:
Standard
Point-to-Point requires no address and sends data to the host
whenever it is available, without any request or handshake from the host.
Serial Cmd:
<
K140,0
>
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