Keysight Technologies E8402A User And Service Manual

Contents

Keysight Technologies E8402A User And Service Manual Manual pdf 97 page image

Keysight E8402A, E8404A C-Size Mainframes User and Service Guide 97HISTory Subsystem Programming the Enhanced MonitorHISTory:TIME:OPERating?HISTory:TIME:OPERating? returns the amount of time the mainframe has beenoperating since the last factory maintenance.Returned DataComments– Time stands still while the mainframe’s power supply is off. This timereturned does not indicate any time that the enhanced monitor may havebeen running on external 5V.Error ConditionsThe following table lists the most common error conditions and causes. Errornumbers and corresponding messages can be found using SYSTem:ERRor?query.Reset Condition*RST has no effect on this query.Type Range Default Description<hours> uint32 0 to 4294967295 none Hours since last factory maintenance<min> uint16 0 to 60 none + minutes since last factory maintenance<sec> uint16 0 to 60 none + seconds since last factory maintenanceNumber Message Probable Cause-311 “Memory Error” Non-volatile memory is inaccessible.