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Allen-Bradley ControlLogix Reference Manual

Allen-Bradley ControlLogix
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Chapter 4
CIP Axis Attributes
328 Rockwell Automation Publication MOTION-RM003I-EN-P - February 2018
The user Task is triggered at the same time that the Process Complete bit is set for
the instruction that armed the registration event.
Home Event Task
Usage Access Data Type Default Min Max Semantics of Values
Required - E Get DINT - - - -
User Event Task that will be triggered to execute when a Home event occurs.
This attribute is set through internal communication from the user Task object to
the Axis object when the Task trigger attribute is set to select this attributes of an
Axis. It cannot be set directly by an external device. It is available to be read
externally for diagnostic information.
The Home Event Task attribute indicates which user Task will be triggered when
a home event occurs. An instance value of 0 indicates that no event task has been
configured to be triggered by the Home Event.
The user Task is triggered at the same time that the Process Complete bit is set for
the instruction that armed the home event.
Inhibit Axis
Usage Access Data Type Default Min Max Semantics of Values
Required -
All
Set/
SSV
SINT 0 - - 0 triggers an uninhibit.
1 triggers an inhibit.
Setting to any non-zero value is treated
the same as a value of 1, and results in
the attribute being set to a 1.
Used to initiate putting an axis into the inhibit state.
This feature is designed for the following situations:
To park an unused or faulted axis so that the application program can
continue to run without the unused or faulted axis.
To allow a 'generic' application program to be developed for a family of
similar machines that may vary in axis count such that it can be configured
during runtime to match the configuration of the specific machine.
The on-line inhibit process is an intrusive operation in that it impacts all axes
associated to the same motion module as the one being inhibited. As such it is
expected that the users will trigger this operation with the machine in a safe,
non-operating, state. The inhibit process includes breaking connection to the
associated motion module and then allowing the module to be reconfigured with
or without (depending if you are inhibiting or un-inhibiting) this axis.

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Allen-Bradley ControlLogix Specifications

General IconGeneral
CommunicationEtherNet/IP, ControlNet, DeviceNet, DH+
I/O CapacityUp to 128, 000 I/O points (varies by configuration)
RedundancySupported (with specific modules)
Programming SoftwareRockwell Automation Studio 5000 Logix Designer
Operating Temperature0°C to 60°C (32°F to 140°F)
Programming LanguagesLadder Logic, Function Block Diagram, Structured Text, Sequential Function Chart
ModularityYes
CertificationsUL, CE
Processor TypeMultiple options available, including standard, safety, and extreme environment processors
Power SupplyMultiple options available, including standard and redundant power supplies with various voltage ranges (e.g., 24V DC, 120/240V AC)

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