13
NATIONAL
INSTRUMENTS
CHAPTER 1: GENERAL INFORMATION
1.1 User Manual Content
This user's manual contains the operating instructions, installation instructions and specifications
of the RMX-410x Series 200W, 400W, and 800W power supply series. The instructions refer to the
standard power supplies, including the built-in USB and RS232/485 serial communication. For
information related to operation with the LAN, refer to User Manual for power supply LAN.
1.2 Introduction
1.2.1 General Description
RMX-410x Series power supplies are wide output range, high performance switching power supplies.
The RMX-410x Series is power factor corrected and operates from worldwide AC voltage range
continuously. Output voltage and current are continuously displayed and LED indicators show
the complete operating status of the power supply. The Front Panel controls allow the user to set
the output parameters, the protection levels (Over-Voltage protection, Under-Voltage protection
and Foldback) and preview the settings. The rear panel includes the necessary connectors to
control and monitor the power supply operation by remote analog signals or by the built-in serial
communication USB, LAN, and RS232/485.
1.2.2 Models Covered by this Manual
Model
Voltage range (V)
Current range (A)
Model
Voltage range (V)
Current range (A)
RMX-4101
0-20
0-10
RMX-4101
0-60
0-3.5
RMX-4102
0-20
0-20
RMX-4102
0-60
0-7
RMX-4104
0-20
0-40
RMX-4104
0-60
0-14
RMX-4101
0-36
0-6
RMX-4101
0-100
0-2
RMX-4102
0-36
0-12
RMX-4102
0-100
0-4
RMX-4104
0-36
0-24
RMX-4104
0-100
0-8
1.2.3 Features and Options
• Constant Voltage / Constant Current with automatic crossover.
• Active Power Factor correction.
• Universal Input Voltage 85-265Vac, continuous operation.
• Embedded Microprocessor Controller.
• Built in USB & RS232/485 Interface.
• Voltage & Current high resolution adjustment by digital Encoders.
• High resolution 16 bit ADCs & DACs.
• Software Calibration (no internal trimmers / potentiometers).
• Last Setting Memory.
• Independent Remote ON/OFF (Opto-Isolated) and Remote Enable/Disable.
• Parallel operation (Master/Slave) with Active current sharing.
• Remote sensing to compensate for voltage drop of power leads.
• External Analog Programming and Monitoring (0-5V or 0-10V, user selectable).
• Cooling fan speed control for low noise and extended fan life.
• LAN interface (SCPI compatible).
Содержание RMX-410 Series
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