66 Rockwell Automation Publication 1794-UM061B-EN-P - March 2020
Chapter 6 Configure Your Adapter and Digital Modules on a ControlNet Network
Ownership
In a Logix 5000 system, modules multicast data. This means that multiple
modules can receive the same data simultaneously from one module. When you
choose a communication format, you have to choose whether to establish an
owner or listen-only relationship with the module.
owner controller The controller that creates the primary configuration and communication connection to a module. The owner
controller writes configuration data and can establish a connection to the module. The owner controller is
the only device that controls the outputs.
An I/O connection where another controller owns/provides the configuration data for the I/O module. A
controller using a listen-only connection only monitors the module. It does not write configuration data and
con only maintain a connection to the I/O module when the owner controller is actively controlling the I/O
module.
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