244 Keysight E1406A User Manual and SCPI Programing GuideKeysight E1406A Command Reference VXI Subsystem:CONFigure:NUMBer?VXI:CONFigure:NUMBer? returns the number of devices in the system when it isissued to a resource manager. This is an integer between 1 and 256 inclusive. Ifthe command is received by a device that is not the resource manager, it returnsthe number of devices which are immediate servants to the destination device,including the destination device. For example, a commander with 3 servantswould return a value of 4, or a resource manager for a system of 4 devices wouldreturn a value of 5.Comments– Related Commands: VXI:SELect, VXI:CONF:LADDress?:CONFigure:NUMBer:MEXTender?VXI:CONFigure:NUMBer:MEXTender? returns the number of devices in thesystem when it is issued to a resource manager. This is an integer between 1 and256 inclusive, which indicates the number of mainframe extender devices in thesystem. If the command is received by a device other than the resource manageran error is reported.Comments– Related Commands: VXI:SELect, VXI:CONF:LADDress?,VXI:CONF:NUMBer?:QUERy?VXI:QUERy? returns one 16-bit data word from the Data LowRegister of the message-based device at logical_addr.ParametersComments– Send a Device Clear to "unlock" the System instrument in case the deviceat logical_addr does not respond.– VXI:QUERy? can be used to read the response in the Data Low Registerwhen the VXI:SEND:COMM command is ANY, and the command sent is aquery.ParameterNameParameterTypeRange of Values DefaultUnits numeric Must round to 0 through 255. none
