ControlLogix Multi-Vendor Interface Module 15
Publication 1756-IN001A-US-P - May 2000
Reading the Status Indicators
LED Identification
LED Description Status Meaning
P1, P2, P3 Port Activity Off No serial activity detected on corresponding port.
Green Serial activity detected on corresponding port.
U1, U2 User Defined - Application dependent
BATT Battery Off Battery voltage normal.
Red Battery voltage low. Service required.
OK
(1)
(1)
Defaults shown. The OK LED can also signify Status determined by the user-programmable
“SetModuleStatus” command. Note that the SetModuleStatus command overrides the hardware defaults.
Module Status Green Power is ON. Normal Operation
Off Power is OFF or module is not installed.
Red Module has failed. Service required.
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