Keysight E8402A, E8404A C-Size Mainframes User and Service Guide 259CALibration Subsystem Calibrating and Verifying PerformanceCALibration:VALue:VOLTage ,CALibration:VALue:VOLTage? CALibration:VALue:VOLTage <supply>,<value> provides the enhanced monitorwith the externally measured voltages of the VXI power supplies measured at thediagnostic connector of the mainframe. The value will be used to calibrate eachpower supply-related measurement of the enhanced monitor. This value is storedin non-volatile memory by the CAL:STOR command.CALibration:VALue:VOLTage? returns the externally measured voltage stored forthe by the CALibration:VALue:VOLTage command.ParametersReturned DataComments– The measurements made of each VXI power supply made at the DiagnosticConnector should have an accuracy of 0.5%. Refer to Diagnostic Center foradditional information on the Diagnostic Connector.Name Type Range Default Description<supply> enum. P5, P12, N12, P24,N24, N5PT2, N2,P5ST, P5EXTnone Selects the VXI power supply.<value> float64 allowed VXI limitsfor each supply+5 for P5,+12 for P12,-12 for N12,+24 for P24,-24 for N24,-5.2 for N5PT2,-2 for N2Provides the externalmeasurement of each supply.Type Range Default Descriptionfloat64 allowed VXI limitsfor each supplyReturns the stored externalmeasurement of each supply.Make certain you measure the power supplies at the pins labeled"VM" on the Diagnostic Connector. These are high impedancelines to the power supplies.
