Rockwell-automation 5720 DriveLogix System Manual do Utilizador descarregar pdf (Página 93)

Publication 20D-UM002C-EN-P - November 2003

Placing and Configuring Local I/O 4-9

for a rack-optimized connection, so consider configuring all local I/O

modules for rack-optimized connections.

Use the documentation for the I/O module to determine what data format to

use.

The listen-only communication format works for remote I/O only. Because of

the distributed nature of a DriveLogix system, the DriveLogix controller must

own its local I/O modules. No other Logix-based controller can listen to or

own the local DriveLogix I/O. The DriveLogix controller must produce its

local I/O data for other controller to consume. If you select listen-only for a

local I/O module, the connection to that module will fault.

The following tag structures are possible for a 1794-IA16 module. The

communication format determines the structure that is created for the

module. Assume that the module is in slot 0. The software creates the

appropriate tags using the slot number to differentiate the tags for this

example module from any other module.

communication format: input data (which corresponds to a direct connection for the I/O module)

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Rockwell-automation 5720 DriveLogix System Manual do Utilizador Página 93