Rockwell Automation 2755-SNx Adaptascan Bar Code Readers User Manual
Page 125

7–19
Communicating with an SLC on a DH-485 Network
Publication 2755-6.8
Configure the Serial Port
1. Click the Serial Port button from the Project dialog.
2. Configure the serial port as follows:
•
From the Protocol list box, select DH-485
•
From the Baud Rate list box, select 19,200
•
From the Connection list box, select RS485
3. Click the Edit button under Protocol to edit the DH-485
parameters.
Edit the parameters as follows:
•
From the Node list box, select 3.
This is the node address of the reader on the network.
•
From the Maximum Node list box, select 3.
This is the number of nodes on the network.
•
Under Destination, select 1 from the Node list box.
This is the SLC node where the decoded bar codes are sent.
•
In the N9:Offset box, type 110.
This is the SLC destination address where the decoded bar
codes (ASCII string) are sent. N9: is reserved for
communications.
4. Click OK to return to the Serial Port dialog.
5. Click Save and then Close to return to the main Project dialog.