Rockwell Automation 1756-RIO ControlLogix Remote I/O Communication Interface Module User Manual User Manual

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Publication 1756-UM534B-EN-P - November 2010

Chapter 2 Configure Scanner Mode

To perform an autoconfigure in scanner mode, follow these steps.

1. On the main menu, from the Configure menu, select Autoconfigure, or

click the Autoconfigure button on the toolbar.

Any configuration previously stored in the 1756-RIO module is overwritten by
the data from the autoconfiguration. You are given the option to save the
previous configuration before it proceeds with the autoconfiguration.

Autoconfiguration detects just the rack structure, it cannot locate block
transfer modules. You have to manually add block transfer modules to the
rack.

TIP

There is no specific ’auto’ baud rate when the module is in
scanner mode. When using autoconfigure, the 1756-RIO module
tries all three baud rates and sets the baud rate based on the
responses to the messages it sends. You need to make sure that
all devices on the network are set at the same baud rate.

TIP

After performing an Autoconfigure, what displays by the
56RioCfgScan tool matches what is in the 1756-RIO module. No
download is necessary. The Autoconfigure also automatically
maps the discrete rack data to tags in the ControlLogix
processor.

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