Rockwell-automation 1734-ACNR POINT I/O ControlNet Adapter User Manual Manual de usuario descargar pdf (Pagina 22)

Publication 1734-UM008B-EN-P - August 2005

3-2 Plan to Use Your Adapter

When the 1734-ACNR adapter cannot support any more

connections, it does not open the connection and issues the

error 0x11a. RSLogix5000 reports the following error:

For example, if the NUT = 5 ms and the RPI = 10 ms, the adapter

can support:

• one rack connection with up to 39 discrete I/O modules, or

• 16 direct connections to analog or specialty modules, or

• one rack connection (15 discrete I/O modules) plus 10 direct

connections to analog modules

To avoid overloading the 1734-ACNR adapter and to avoid this

error, we recommend that the RPI be no less than 10

milliseconds for rack connections and 50 milliseconds for direct

connections. If you use more than 35 digital I/O modules with a

rack connection, use RPI = 20 milliseconds.

For additional information, refer to the URLs:

• www.ab.com/io/

• support.rockwellautomation.com/(select knowledgebase)

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Rockwell-automation 1734-ACNR POINT I/O ControlNet Adapter User Manual Manual de usuario Pagina 22