User Manual Owner's manual

168 Rockwell Automation Publication 290D-UM001A-EN-P - June 2012
Chapter 5 Diagnostics
Fault Diagnostics
Fault diagnostics capabilities built in the ArmorStart LT Distributed Motor
Controller are designed to help you pinpoint a problem for easy troubleshooting
and quick restarting.
Protection Faults
Protection faults will be generated when potentially dangerous or damaging
conditions are detected. Protection faults are also known as “trips” or “faults”.
These faults will be reported in multiple formats, including:
• Bit enumeration in the TripStatus parameter (parameter 16) used as
discrete bits or in DeviceLogix
• In the ArmorStart LT web server for ArmorStart EtherNet/IP version
• As a sequence of LED flashes on the ECM
➊ Can not be disabled.
A “ProtectFltEnable” parameter (param 42) is used to enable and disable
individual protection faults. This parameter will be a bit enumerated parameter
with each “disable-able fault” bit enumerated. Not all Faults can be disabled.
Setting a bit to the value “1” enables the corresponding protection fault. Clearing
a bit disables the protection fault. For protection faults that can not be disabled
the value is always “1”.
There are two Protection Fault Reset modes: manual and automatic. When
parameter 41 “ProtFltResetMode” is set to the value 0=Manual mode, a manual
fault reset must occur before the fault is reset. When manual reset mode faults are
LED Flash Bit Enumeration 290D/291D Trip Status Bits 294D Trip Status Bits
10OverloadTrip ➊ OverloadTrip ➊
2 1 PhaseLossTrip PhaseLShortTrip
32UnderPowerTrip ➊ UnderPowerTrip ➊
4 3 SensorShortTrip ➊ SensorShortTrip ➊
5 4 PhaseImbalTrip OverCurrentTrip
65NonVolMemoryTrip ➊ NonVolMemoryTrip ➊
76reserved ParamSyncTrip ➊
87JamTrip DCBusOrOpenDiscnnct ➊
98StallTrip StallTrip ➊
10 9 UnderloadTrip OverTemperature ➊
11 10 reserved GroundFault ➊
12 11 reserved RestartRetries
13 12 reserved DriveHdwFault ➊
14 13 OutputShortTrip ➊ OutputShortTrip ➊
15 14 UserDefinedTrip UserDefinedTrip
16 15 HardwareFltTrip ➊ HardwareFltTrip ➊