User Manual

12 Rockwell Automation Publication 1756-UM540A-EN-P - May 2014
Chapter 1 Isolated Analog I/O Module Operation in the ControlLogix System
•Remote chassis - A chassis that does not contain the module’s owner-
controller but is connected to the local chassis over the EtherNet/IP
network or ControlNet network.
The Logix Designer application transfers configuration data to the controller
during the program download. Subsequently, data is transferred to the I/O
modules in the local and remote chassis.
The I/O module can operate immediately after the project download from the
owner-controller is complete.
Direct Connections
A direct connection is a real-time data transfer link between the controller and
the device that occupies the slot that the configuration references.
When you download module configuration to a controller, the controller
attempts to establish a direct connection to each module referenced by the
configuration.
OKFORCE SDRUN
Logix5575
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ANALOG INPUT
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FLT
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FLT
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ANALOG OUTPUT
ANALOG INPUT
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FLT
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K
ST
FLT
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ANALOG OUTPUT
ANALOG INPUT
ST
FLT
O
K
Controller I/O Modules
Local Chassis Remote Chassis
EtherNet/IP Network
IMPORTANT
ControlLogix isolated analog I/O modules support only direct connections