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Rockwell Automation 2100-GK61 DeviceNet to SCANport User Manual

Page 134

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Publication 2100-UM001B-EN-P – January 2001

B-8

DeviceNet to SCANport Communication Module with Digital Inputs Parameters

Enabling COS in the Scanner

Use RSNetWorx to enable COS in the scanner. Refer to Chapter 4,
Configuring a Scanner to Communicate with the Adapter, for more
information on configuring the scanner.

COS must be enabled in the Edit Device I/O Parameters dialog box.

Figure B.4
Edit Device I/O Parameters Dialog Box for COS

1. If necessary, deselect the Polled section.

2. In the Change of State/Cyclic section, click on the box next to

Change of State/Cyclic. A “✔” appears.

3. Click Change of State.

4. In the Rx field, enter 6 for the size for the I/O input.

5. In the Tx field, enter 4 for the size of the I/O output.

6. In the Heartbeat Rate field, enter the desired time for the

maximum interval between messages.

7. Click OK.

Important: After you have configured the scanner and adapter for
COS, you can verify the desired heartbeat rate is used by viewing the
COS/CYC Interval (28) parameter in the adapter.

Cyclic Allocation

When you set up cyclic allocation, your adapter sends or receives data
based on a periodic time interval. To use Cyclic, you must enable
Cyclic in the adapter and in the scanner.

Step #2

Step #3

Step #1