Emerson FB3000 RTU Instruction Manual
D301851X012
May 2022
Service and Troubleshooting
67
LED
Color/State
Meaning
AO1 and AO2
GREEN
Normal
Flashing RED
In alarm
RED
Failure
Flashing ORANGE
Override and failure
ORANGE
Override
Off
Disabled
DO1 and DO2
GREEN
DO is on
Flashing RED
(Reserved)
RED
Failure
Flashing ORANGE
Override and failure
ORANGE
Override
Off
DO is off
Special LED Sequence:
Communication Status and Termination Status alternating flashing GREEN rapidly
indicates power for the module has fallen to power trip point; there is not enough
power for the module – I/O held at current state.
Notes
Any kind of failure takes priority over an alarm.
Any kind of alarm takes priority over override and normal.
Failure of an I/O point is reported for one or more of these conditions:
•
Value above URL (Upper range limit)
•
Value below LRL (Lower range limit)
•
Point fail
•
Read back fail
•
Invalid Scaled Pulse Output parameter reference
•
Invalid auto read parameter reference
•
Communication failure
Содержание FB3000
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