Rockwell Automation 2755-SNx Adaptascan Bar Code Readers User Manual

Page 125

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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.

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