Removal and Insertion Under Power
Modules may be inserted and removed from the
chassis while the power is applied. This allows greater availability of the overall control system. There is not a disruption to any other portion of the controlled process while the module is being removed or inserted.
module
A device, typically an I/O device, that communicates with the controller. The controller, a particular 1756-IB16I or a PanelView are all considered modules.
chassis
A hardware assembly that houses devices such as I/O modules, adapter modules, processor modules, and power supplies.
ATTENTION:
Pulling the module from the chassis while power is applied causes the message instructions carrying configuration, input and output data to fail with an error. Removal may also cause the module to lose any previous configuration.
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