National Instruments RMX-4120 User Manual

Contents
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Measured Value Display, Setting Display, and Set OVP/OCP Display...................2-3
Fine Adjustment................................................................................................2-3
Output Operations.............................................................................................................2-3
Output State at Power-up..........................................................................................2-4
Operation Overview.......................................................................................................... 2-4
CV Power Supply and CC Power Supply......................................................................... 2-7
Crossover Point.................................................................................................2-8
CV Mode and CC Mode Operation Examples .........................................................2-8
Example 1 .........................................................................................................2-8
Example 2 .........................................................................................................2-8
Using the RMX Programmable Power Supplies as a CV or CC Power Supply ..............2-9
Protection Functions and Alarms......................................................................................2-11
Alarm Occurrence and Clearing Alarms .................................................................. 2-12
Alarm Occurrence.............................................................................................2-12
Clearing Alarms................................................................................................2-13
Alarm Signal .....................................................................................................2-13
Protection Function Activation.................................................................................2-14
Setting limitation functions............................................................................... 2-14
CONFIG Settings..............................................................................................................2-20
Specifying CF01 to CF36, CF 41 to CF52 CONFIG Settings.......................... 2-24
Specifying CF00/CF40 CONFIG Settings .......................................................2-25
CONFIG Parameter Details ..............................................................................2-25
Preset Memory Function................................................................................................... 2-39
Saving Settings to Preset Memory............................................................................2-39
Recalling Preset Memory Entries ............................................................................. 2-40
Locking Panel Operations (Key Lock) .............................................................................2-41
Bleeder On/Off Feature ....................................................................................................2-41
Fall Time................................................................................................................... 2-44
Switching from Remote Mode to Local Mode .................................................................2-44
Factory Default Settings (Initialization) ...........................................................................2-45
Chapter 3
External Control
Overview...........................................................................................................................3-1
About the J1 Connector ....................................................................................................3-1
Attaching the J1 Cable Core .....................................................................................3-2
About the J2 Connector ....................................................................................................3-5
Output Terminal Insulation...............................................................................................3-7
When the Output Terminal is Not Grounded (Floating)...........................................3-7
When the Output Terminal is Grounded...................................................................3-9
Cautions When Controlling the Output with an External Voltage (Vext)................3-11
Controlling the Output Voltage ........................................................................................ 3-12
Control Using an External Voltage (Vext) ............................................................... 3-12
External Voltage (Vext) Connection ................................................................3-13
Control Using an External Resistance (Rext) ........................................................... 3-13

National Instruments RMX-4120 Specifications

General

Brand	National Instruments
Model	RMX-4120
Category	Power Supply
Language	English