National Instruments RMX-4120 User Manual

Also see for RMX-4120: Safety & installation instructions

Contents

RMX Programmable Power Supplies User Manual© National Instruments | viiExternal Resistance (Rext) Connection............................................................ 3-14Controlling the Output Current......................................................................................... 3-14Control Using an External Voltage (Vext) ............................................................... 3-15Control Using an External Resistance (Rext)........................................................... 3-16External Resistance (Rext) Connection............................................................ 3-16Controlling the Output On and Off States ........................................................................ 3-17External Contact Connection.................................................................................... 3-18Long-Distance Wiring ...................................................................................... 3-18Controlling Output Shutdown .......................................................................................... 3-19Output Shutdown Connection .................................................................................. 3-19Long-Distance Wiring ...................................................................................... 3-20Controlling the Clearing of Alarms .................................................................................. 3-20Alarm Clear Connection........................................................................................... 3-21Long-Distance Wiring ...................................................................................... 3-22External Monitoring ......................................................................................................... 3-22Monitor Output Rating ............................................................................................. 3-22External Monitoring of the Operation Status ................................................... 3-23Chapter 4Parallel/Series OperationMaster-Slave Parallel Operation....................................................................................... 4-1Features of the RMX Programmable Power Supplies DuringMaster-Slave Parallel Operation............................................................................... 4-1Voltage Display and Current Display............................................................... 4-1Connection (Master-Slave Parallel Operation)......................................................... 4-3Connecting the Signal Cables (Parallel Operation).......................................... 4-3Connecting the Load (Parallel Operation)........................................................ 4-4Settings (Master-Slave Parallel Operation) .............................................................. 4-6Setting the Master Unit, the Slave Units, and the Number of Units inParallel Operation (Including the Master Unit)................................................ 4-6Setting the Voltage and Current ....................................................................... 4-6Setting the Overvoltage Protection (OVP) and Overcurrent Protection (OCP)of the Master Unit............................................................................................. 4-6Starting Master-Slave Parallel Operation ................................................................. 4-7Turning Power On ............................................................................................ 4-7Turning Power Off............................................................................................ 4-7Series Operation ............................................................................................................... 4-8Features of the RMX Programmable Power Supplies During Series Operation...... 4-8Voltage Display and Current Display............................................................... 4-8External Control ............................................................................................... 4-8External Monitoring ......................................................................................... 4-8Remote Sensing ................................................................................................ 4-9Alarm ................................................................................................................ 4-10Connection (Series Operation) ................................................................................. 4-10Connecting the Load (Series Operation) .......................................................... 4-10