Rockwell Automation GMLC Reference Manual - Manual (Page 405)

Publication GMLC-5.2 - November 1999
368 RIO Blocks
RIO Status Conditions
You can also determine the RIO status from the color of the diagnostic
LED for each channel on the front panel of the RIO option.
The Remote I/O Status Conditions are explained below.
Non-Recoverable Fault
When you select Non-Recoverable Fault from the RIO Status menu, the
current task pauses until (Wait for RIO Status), or branches to the top—
true—node if (If RIO Status), one of the following faults occurs:
• Remote I/O link has failed due to excessive transmission errors
• Remote I/O link has become disconnected
• Scanner in the PLC has stopped scanning
Reset the Remote I/O Adapter using a Reset RIO block, or press the front
panel
RESET button to reset the motion controller. See the Setup section of
the Installation and Setup manual for your motion controller and Reset
RIO in this section.
RIO Status Conditions
Description LED Color
Non-Recoverable Fault Red
Recoverable Error (Failing) Blinking Red
Standby Blinking Green
Offline Off
Online Green