National Instruments VXI-1200 User Manual

Contents

National Instruments VXI-1200 User Manual Manual pdf 41 page image

Chapter 3 Operating the VXI-1200© National Instruments Corporation3-11VXI-1200 User ManualBasic Functional CheckThe functional check consists of checking the VXI-1200 power supplyvoltages to the VXIbus limits at the rear-panel connector J415 using adigital voltmeter.Referring to Table 3-5, connect one lead of the voltmeter to a supplypin at J415. Connect the reference lead of the voltmeter to one of theground pins. Compare each voltage reading to the values listed inTable 3-5.Table 3-5. Power Supply Voltages at J415J415 Pin Supply VXI AcceptableVoltage Range3 +5 V 4.875 to 5.25 V10 -12 V -12.6 to 11.64 V1 -24 V -25.2 to -23.28 V12 -2 V -2.1 to -1.9 V2 +12 V 11.64 to 12.6 V9 +24 V 23.28 to 25.2 V4 -5.2 V -5.46 to -5.044 V7,11 Logic Ground —If the voltages are within the specified ranges, the mainframe complieswith VXI voltage limit specifications.