Allen-Bradley 1756 ControlLogix User Manual

Chapter 5
Produce and Consume Tags (interlock controllers)
78 Rockwell Automation Publication CNET-UM001F-EN-P - February 2018
Communication Card Available Connections Connections Used by
a Produced Tag
Connections Used
by a Consumed
Tag
ControlNet port on the
CompactLogix controller
32 Number of consumers 1
1768-CNB and 1768-CNBR
CompactLogix ControlNet
modules
48
1788-CNx card in PowerFlex
700S with DriveLogix
controller
32 total ControlNet connections, 22 of which
can be scheduled and used for producing and
consuming tags.
1756-CN2 and 1756-CN2R
series B ControlNet modules
in the local chassis of a
ControlLogix controller
131
Note that 3 of the 131 connections are always
reserved for redundant control. Therefore,
128 connections are available for standard
use.
1756-CNB and 1756-CNBR
ControlNet modules in the
local chassis of a
ControlLogix controller
64
We recommend that you do not use more
than 40…48 scheduled connections.
1784-PCICS card in
a SoftLogix5800 controller
127
Follow these guidelines as you organize your tags for produced or consumed
data (shared data).
Table 19 - Guidelines for Produced or Consumed Data Tags
Function Guidelines
Create the tags at the controller
scope.
You can produce and consume only controller-scoped tags.
Produce and consume specific
tags.
You cannot produce or consume these types:
• Alias
• Axis type
• BOOL
• Consumed
• I/O
• INT
• Message
Organize Tags for
Produced or
Consumed Data

Allen-Bradley 1756 ControlLogix Specifications

General

Brand	Allen-Bradley
Model	1756 ControlLogix
Category	Controller
Language	English