Field device tag structure – Rockwell Automation 1788-CN2FFR EtherNet/IP and ControlNet to FOUNDATION Fieldbus Linking Device User Manual

Page 53

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Rockwell Automation Publication 1788-UM057B-EN-P - September 2014

51

Logix Assemblies

Chapter 3

BusA/BTerminated

The master mode setting sets the termination for H1 ports A and B. For example,
if the mode setting is Master Mode 0 - Single Master, A Bus Only, then A is
enabled and terminated (see page

85

).

Field Device Tag Structure

This section describes the elements of the field device tag structure.

FFNode

The node value specifies the number of the field device.

Allocate

Indicates that this field device index has been allocated for a specific field device
and another device cannot use it.

Compel

If this bit is set, the linking device is requesting process variable data from the field
device.

Live

A connection has been established to the field device and the linking device is
receiving live data.

Tag

This element specifies the tag name of the field device.

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