Rockwell Automation Publication 1783-UM001B-EN-P - May 2010 69
Work with RSLogix 5000 Software, Version 15 or Later Appendix F
Work with the Fault/Idle
Action Dialog Box
This dialog box controls the port behavior when the 1783-EMS switch loses
communication with the Logix controller or the Logix controller goes into
Program mode. This feature can be used to disable ports while the Logix
controller is in Run mode and enable them when the Logix controller is offline.
The entries on the dialog box that you access by clicking the Fault/Idle Action tab
from the top of the New Module dialog box include the following.
• Communication Fault Behavior
– Default value is Enable All Ports.
– Enable all ports when the 1783-EMS switch loses communication with
the controller. If the controller is disabling a port, it is enabled if
communication with the controller is lost.
– Hold last state when the 1783-EMS switch loses communication with
the controller. If a port is disabled by the controller, it continues to be
disabled when communication with the controller is lost. To re-enable
all of the ports, the 1783-EMS switch requires a power cycle.
– Apply safe state values to ports when communication with the
controller is lost. Port status can be changed when communication to
the controller is lost.
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