Rockwell Automation 2755 AdaptaScan Software - Manual (Page 116)

8–7
Publication 2755-838
Message Buffer
Specifies the number of messages held in the message buffer and the
limit at which a warning occurs if the buffer size is exceeded. Use
the message buffer when the host device cannot handle high data
rates from the Reader.
Note: Do not set the buffer size >1 when data sent to a host device
must be coordinated with the I/O on a Reader.
Select To
Enable Warning Enable the buffer full warning.
Warning At Specify the warning limit for the buffer (default is 2). When the
limit is met or exceeded, a warning is provided.
Buffer Size Specify the maximum number of messages the message buffer
can store (default is 5). Buffer is always active whether or not
warning is enabled / disabled.
Device Select the Reader that will provide the buffer
warning.
Output Select the output to energize when the buffer limit is reached.
Connection
Select the communications port that can connect to the host. Select
RS-232, RS-422 or RS-485.
Enable Pass-Through to DeviceNet
Allows data from the serial port to pass through to a DeviceNet
network. Page 10–15 shows an example of how to use this feature.