Rockwell Automation 2755-SNx Adaptascan Bar Code Readers - Manual (Page 121)

7–15 Communicating with an SLC on a DH-485 Network
Publication 2755-6.8
9. Click the Edit button to open the Message Field Edit dialog.
10. Under Replacement Strings, type NO READ 1 in the Fail: box.
Bar code data is sent to the SLC controller on a valid read. The
Fail string sends “NO READ 1” to the controller when a no read
occurs on Bar Code Reader 1.
11. Click OK to return to the Message Field dialog.
12. Click OK again to return to the Message dialog.
Define the Message Format
1. Click the Format button from the Message dialog.
2. In the Trailer text box, type \r\n (for CR, LF).
3. Under Message Destination, select Serial Port (This is the serial
port of Bar Code Reader 1).
4. Click OK to return to the Message dialog.
5. Click Save and then Close to return to the Project dialog.