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Chapter
4
Sharing Tag Data with Other Controllers
(Produced and Consumed Tags)
Introduction
Logix5000 controllers support the ability to produce (broadcast) and
consume (receive) system-shared tags.
For two controllers to share produced or consumed tags, both
controllers must be attached to the same control network (such as a
ControlNet or Ethernet/IP network). You cannot bridge produced and
consumed tags over two networks.
Logix5000 controllers can produce and consume tags over these
networks (as long as they support communications over these
networks):
• the ControlLogix backplane
• a ControlNet network
• an EtherNet/IP network
If there are no other connections, the controller supports:
As a:
The controller supports:
producer
(number of produced tags) ≤ 127
consumer
(number of consumed tags) ≤ 250 (or controller maximum)
The total combined number of consumed and produced tags that a
controller supports is:
(produced tags) + (consumed tags) + (other connections) ≤ 250 (or controller maximum)
IMPORTANT
1
The actual number of produced and consumed tags
that you can configure in project depends on the
connection limits of the communication module
through which you produce or consume the tags.
Publication 1756-RM094A-EN-P - May 2004