Manual

Processor Modules (T3110, 11, 12, 20, 21, and 22)
6 Industrial Control Services
Figure 3 . Processor Module.
Processor Indica tor
This red and green LED pair indicates the overall health of
the processor module. During normal operation the green
PROC indicator is on. If a module fault occurs the red
indicator turns on and the green indicator turns off.
Communications Indicator
This red and green LED pair indicates the overall health of
the system’s communications. During normal operation the
green COMM indicator is on. If a communications fault