Rockwell-automation 1794-L34 FlexLogix Controller System User Manual Uživatelský manuál stáhnout pdf (Strana 48)

Publication 1794-UM001G-EN-P - January 2007

48 Manage Controller Communications

The controller has the following limits on the number of connections

that you can cache:

For more information...

The Logix5000 Controllers General Instructions Reference Manual,

1756-RM003 describes how to use the MSG instruction.

The Logix5000 Controllers Common Procedures Manual, 1756-PM001

provides information on how to:

• execute a MSG instruction

• get and set the number of unconnected buffers

• convert INT data to DINT data

• manage multiple MSG instructions

• send one MSG to multiple devices

If you have this software

and firmware revision:

Then you can cache:

11.x or earlier • block transfer messages for up to 16 connections

• other types of messages up to 16 connections

12.x or later up to 32 total connections

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Rockwell-automation 1794-L34 FlexLogix Controller System User Manual Uživatelský manuál Strana 48