National Instruments RMX-4120, User Manual

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