Topward 3303A Operation Manual

Direct current (dc) power supply

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3000 Series
Operation Manual

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Table of Contents
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Summarization of Contents

Overview of 3000 Series Power Supply
Introduction to 3000 Series
Describes the 3000 Series DC power supply features, capabilities, and models.
Special Functions on Remote Models
Details special functions available exclusively on remote-controlled 3000 Series power supply models.
Unpacking and Checking Contents
Lists the essential items to verify after unpacking the 3000 Series power supply.
Front, Rear, and Bottom Panels
Front Panel Identification
Identifies and describes the components on the front panel of 3000 Series power supplies.
Rear and Bottom Panel Identification
Illustrates and details the rear and bottom panel connectors and features of 3000 Series units.
Operation of the 3000 Series
Pre-installation Procedures
Provides essential steps and considerations before powering on the 3000 Series power supply.
Setting Output Voltage and Current
Step-by-step guide for configuring the output voltage and current settings.
Constant Voltage/Constant Current Characteristics
Explains the automatic switching between Constant Voltage (CV) and Constant Current (CC) modes.
Serial Connection Operation
Details how to connect multiple 3000 Series power supplies in series for higher voltage output.
Parallel Connection Operation
Explains the procedure for connecting 3000 Series power supplies in parallel for higher current output.
Maintenance of the 3000 Series
Changing the Fuse
Instructions on identifying and replacing blown fuses in the 3000 Series power supply.
Changing the Input Voltage
Guides users through the process of changing the unit's input voltage setting.
Specifications of 3000 Series
Remote Control Functions
Details remote control capabilities including voltage and current programming.
Voltage and Current Readback
Describes available voltage and current readback features and their ranges.
Output On/Off Control
Information on controlling the output power ON/OFF status.
Remote Sensing Feature
Explanation of the remote sensing feature for voltage compensation.
Power Source and Accessories
Details power source requirements and included accessories for the 3000 Series.
Physical Dimensions
Provides the physical dimensions for the various 3000 Series power supply models.

Table of Contents