Logix5000 Controllers General Instructions - SLAC Confluence

Input/Output Instructions (MSG, GSV, SSV, IOT) 185Access the FAULTLOG objectThe FAULTLOG object provides fault information about the controller.Attribute Data Type Instruction DescriptionMajorEvents INT GSVHow many major faults have occurred since the last time thiscounter was reset.SSVMinorEvents INT GSVHow many minor faults have occurred since the last time thiscounter was reset.SSVMajorFaultBits DINT GSVIndividual bits indicate the reason for the current major fault.SSVMinorFaultBits DINT GSVSSVBit: Meaning:1 power loss3 I/O4 instruction execution (program)5 fault handler6 watchdog7 stack8 mode change11 motionIndividual bits indicate the reason for the current minor fault.Bit: Meaning:4 instruction execution (program)6 watchdog9 serial port10 batteryPublication 1756-RM003I-EN-P - January 2007