Emerson ControlWave Instruction Manual page 116

ControlWave I/O Expansion Rack Instruction Manual
UDI Bd. S tatus LED (Red) =
UDI Bd. S tatus LED (Green) =
ON UDIXX = Input is present.
OFF UDIXX = Input is not present.
UNIVERSAL DIGITAL INPUT
Figure 5-17. Universal Digital Input (UDI) Module LED Designations
5-20
UDI Bd. not recognized or failed.
UDI Bd. recognized and normal.
UDI LED Board
LED Assignments
for UDI1 - UDI6
UNIVERSAL DIGITAL INPUT
FAIL (Red) UDI Bd. S tatus LED
P AS S (Green) UDI Bd. S tatus LED
Service & Troubleshooting
Note: T he S tatus LED will turn ON (R ed)
whenever power is initially applied to
the UDI Module. It will remain R ed until
the CPU has recognized the UDI Module
and then it will turn Green and should
remain ON.
Revised Aug-2015