Chapter 5
Operation
32
Rockwell Automation Publication ICSTT-RM451D-EN-P - March 2021
Figure 6: Module Front Panel
There are six Module status indicators on the Module Front Panel: three
Healthy, one Active, one Standby, and one Educated. The Healthy indicators
are controlled directly by each Module slice. The Active, Standby, and
Educated indicators are controlled by the FPU. The FPU receives data from
each of the Module slices. It performs a 2oo3 vote on each data bit from the
slices and sets the indicators accordingly.
The Module status indicator modes and their meanings are described as
follows:
Table 16 Module Status LEDs
Module Status LEDs
