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UNI-T UDP4303S User Manual
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UNI-T UDP4303S User Manual

UNI-T UDP4303S User Manual

Programmable linear dc power
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Test Equipment Depot - 800.517.8431 - TestEquipmentDepot.com
UDP4303S Programmable Linear DC Power
User's Manual
UDP4303S Programmable Linear DC Power
V 1.0
06.2024

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Summary of Contents for UNI-T UDP4303S

  • Page 1 Test Equipment Depot - 800.517.8431 - TestEquipmentDepot.com UDP4303S Programmable Linear DC Power User’s Manual UDP4303S Programmable Linear DC Power V 1.0 06.2024...

  • Page 2: Safety Information

    CAUTION: If handled improperly, it may damage the product or other devices connected to the product. Disclaimer Before using the product, the user must read the following safety information carefully. UNI-T shall not be liable for the personal injury and property losses caused by the user’s failure to comply with these terms.

  • Page 3: Safety Sign

    Waste Electrical and Electronic Equipment (WEEE) Directive 2002/96/EC Must not be discarded in the trash can. Operation Environment UDP4303S programmable linear DC power can only be used under the normal temperature and non- condensing conditions, Refer to the following table for the general environmental requirements. Operation Environment...

  • Page 4: Chapter 1 Inspection And Installation

    5 seconds. Connecting to power UDP4303S power supply supports various AC power supply inputs. The AC selector setting on the rear panel varies depending on the input power connected, as shown in the table below. Table 1-2 AC Input Power Specifications and Voltage Selector Settings...
  • Page 5 UDP4303S Programmable Linear DC Power (2) Check the voltage selector on the rear panel Ensure that the voltage selector (100 V, 120 V, 220 V or 230 V) on the rear panel of the instrument matches the actual input voltage.

  • Page 6: Chapter 2 Quick Guide

    Chapter 2 Quick Guide This chapter provides a brief introduction to the front panel, rear panel, keyboard, and LCD functions of the UDP4303S, ensuring the user can quickly become familiar with the instrument's operation. 2.1 Main Features UDP4303S: 32 V/3A, 32 V/3 A, 15 V/3 A, 6 V/10 A ...

  • Page 7: Appearance And Dimensions

    UDP4303S Programmable Linear DC Power Automatic switchover low and high range measurement  Supports timing output, energy consumption analysis (loT), data recording and analysis  Supports a minimum of 1 ms pulse current waveform  Supports standard three rack-units (3U), 1/2-rack form factor ...

  • Page 8: Front Panel

    UDP4303S Programmable Linear DC Power 2.3 Front Panel Figure 2-3 UDP4303S Front Panel 4.3 inch TFT-LCD Functional keys Parameter setting area Channel selection and Output ON/OFF keys All channel selection and Output ON/OFF keys Output terminals CC/CV indicator Power switch...
  • Page 9 UDP4303S Programmable Linear DC Power 2.4 Keypad Figure 2-4 UDP4303S Keypad Table 2-1 UDP4303S Keypad Description Description Short press to enable the main menu Home Long press to screenshot Menu enter the menu Wave Press to display waveform Short press to lock the key...
  • Page 10 UDP4303S Programmable Linear DC Power 2.5 Rear Panel Figure 2-5 UDP4303S Rear Panel Table 2-2 UDP4303S Rear Panel Description Name Description CH3 and CH4 Remote sensing output port for CH3 and CH4 Connect the instrument as “Slave” device to external USB device (such...
  • Page 11 UDP4303S Programmable Linear DC Power 2.6 Icon and Character Descriptions on LCD Figure 2-6 UDP4303S User Interface Table 2-3 User Interface Description Interface function name Channel identifier Remote sense state (S indicates remote sense ON; if no display indicates remote sense OFF.)

  • Page 12: Connecting The Outputs

    UDP4303S Programmable Linear DC Power 2.7 Connecting the Outputs This series power is equipped with front and rear output terminals. This section describes how to make front and rear connections. Front Terminal Figure 2-7 Front Outputs Connections Method 1: Connect wires to the front of the terminals at location A, as shown in the figure above.

  • Page 13: Chapter 3 Protection Function

    UDP4303S Programmable Linear DC Power CAUTION Disconnect the AC power before making front panel connections. Ensure all wires and lug plates are properly connected to prevent currents from damaging the loads. Do not use both front and rear panel output terminals concurrently. Only one set of terminals can be selected at a time.

  • Page 14: Chapter 4 Power Output

    0-10 seconds. Chapter 4 Power Output UDP4303S provides two output modes: constant voltage (CV) and constant current (CC). In CV mode, the output voltage equals the set voltage value, and the output current is determined by the load.
  • Page 15 UDP4303S Programmable Linear DC Power 4.1 Voltage and Current Output Setting Press the power switch to turn on the instrument, and enter the main menu (user interface). 1. Set the voltage First, press the function key below Voltage character on the screen. A cursor will appear in the voltage parameter field (the cursor will default to the last set position).
  • Page 16 UDP4303S Programmable Linear DC Power Figure 4-2 Keypad Editing for Current 4.2 Constant Voltage/Current Output Press the All On/Off key to enable all channel outputs. When the output is enabled, the corresponding switch indicator will light up. When the output is disabled, the corresponding switch indicator will turn off.

  • Page 17: Chapter 5 Series/Parallel Connections

    Chapter 5 Series/Parallel Connections Connecting two or more isolated channels in series provides a greater voltage capability, while connecting two or more isolated channels in parallel provides a greater current capability. UDP4303S offers both internal and external series and parallel connections.
  • Page 18 UDP4303S Programmable Linear DC Power Figure 5-2 Series Connection Steps to Enter Series Connection Mode: On Home page, tap Option Mode to enter the power option interface. (2) Use the arrow keys or use the function key at the bottom of the screen to select the parameter filed to be set.
  • Page 19 UDP4303S Programmable Linear DC Power The external wiring diagram on the rear panel under external series connection mode is shown in Figure 5- Figure 5-4 External Wiring Diagram of Internal Series Connection on Rear Panel Note When the series connection needs to provide positive and negative voltage, the voltage conductor in the middle should be connected to the negative terminal of CH1.
  • Page 20 UDP4303S Programmable Linear DC Power (2) Use the arrow keys or use the function key at the bottom of the screen to select the parameter filed to be set. (3) Rotate the encoder rotary knob to select the parallel connection mode.

  • Page 21: Chapter 6 Function Keys On Main Menu

    UDP4303S Programmable Linear DC Power Chapter 6 Function Keys on Main Menu The function keys on the main page include Power Mode, Current Range, Current Sampling Rate, OCP Delay Mode, OCP Delay Time, Sense, Trace, and Channel OFF Mode, as shown in the following figure.
  • Page 22 UDP4303S Programmable Linear DC Power below depicts the load connection using two-wire sensing and remote sensing, respectively. Figure 6-2 Load Wiring on Rear Panel Trace: The trace function on the main page is shown in Figure 6-3. For the two channels that support tracing (CH1 and CH2), changing the settings of either channel (voltage and current settings, OVP and OCP settings, and OVP and OCP switch status) will also change the settings of the other channel.

  • Page 23: Chapter 7 Output Waveform Display

    UDP4303S Programmable Linear DC Power Chapter 7 Output Waveform Display UDP4303S provides an output waveform display function for observing the voltage and current output states. Press the Wave key to enter the waveform display page, as shown in Figure 7-1.

  • Page 24: Chapter 8 List Output

    Chapter 8 List Output UDP4303S provides a list output function for generating arbitrary waveforms and freely editing programmable waveforms. These waveforms can be reproduced within the limit settings for voltage and current. Users can set the repetition cycle for the arbitrary waveforms, as well as the output voltage, current, and time for each group of data.
  • Page 25 UDP4303S Programmable Linear DC Power a. List Function Page 1 b. List Function Page 2 Figure 8-2 List Function Page Insert or edit the arbitrary waveform parameters on the above page, or recall the built-in waveform template to edit the arbitrary waveform. The setting steps are as follows.
  • Page 26 8.2 Waveform Template Setting UDP4303S provides various built-in waveform output templates. Users can select a template to create a waveform. In list mode, press the page switch key to enter page 2, and press the Wave key to enter the waveform template setting page, as shown in Figure 8-3.
  • Page 27 UDP4303S Programmable Linear DC Power (2) Pulse (Square) Wave The square waveform is shown in the figure below. The instrument determines the amplitude of the square wave using the current setting of the maximum and minimum values, and determines the high level duration using the current setting of the pulse width.
  • Page 28 UDP4303S Programmable Linear DC Power exponential. Exponentia The waveform function is ((Maximum-Minimum) x ), where “I” is the independent variable, ranging from 0 to (number of groups inserted -1). When editing the parameters, the instrument will insert the groups (maximum 512 groups) according to the set parameters, where the number of groups = Inserted Groups.
  • Page 29 UDP4303S Programmable Linear DC Power (7) Stair Up The stair up waveform is shown in the figure below. The instrument determines the stair up waveform using the current settings of the maximum, minimum, period time, and stair steps. When the stair step is 1, the waveform displays the minimum. Waveform Step = (Maximum-Minimum)/(N -1), Interval Time = Period Time-Stair Step.
  • Page 30 UDP4303S Programmable Linear DC Power Current key, then use the numeric keypad or rotate the encoder rotary knob to set the current values. (2) Current: When the current is selected, you can set a fixed voltage for all groups' output. Press the Voltage key, then use the numeric keypad or rotate the encoder rotary knob to set the voltage values.
  • Page 31 UDP4303S Programmable Linear DC Power (10) Stair Step: If the selected template is stair up, stair down, or stair up and stair down wave, press the Stair step key to set the total points of waveform within the entire period. The range can be set from 1 to 512.

  • Page 32: Chapter 9 Delayer

    Chapter 9 Delayer 9.1 Arbitrary Delayer Setting UDP4303S provides a delayer function that supports all channels, series, and parallel connections. This function is used to control the output state of the selected channel ON or OFF, as shown in Figure 9-1.
  • Page 33 UDP4303S Programmable Linear DC Power knob to set parameters for other lines. (5) Press the Repetition Cycle key on page 1, rotate the encoder rotary knob or use the numeric keypad to set the cycle number (1-99999 or infinity). Press the encoder rotary knob or Esc key to exit the setting.
  • Page 34 UDP4303S Programmable Linear DC Power Figure 9-2 Fixed Time Template Figure 9-3 Monotonically Increasing Time Template Figure 9-4 Monotonically Decreasing Time Template Template type: Used to switch the template type. (2) Mode: Used to change the initial state. 01 code indicates that the initial state is “Output OFF”.

  • Page 35: Chapter 10 Monitor

    UDP4303S Programmable Linear DC Power Chapter 10 Monitor UDP4303S provides a monitor function that supports all channels, series, and parallel connections. The monitor function informs the user whether the voltage, current, or power of the channel meets the set condition by configuring the monitor condition and selecting a response mode. When the condition is met, an alert is triggered according to the selected response mode.

  • Page 36: Chapter 11 Trigger

    Chapter 11 Trigger UDP4303S provides a digital I/O port on the rear panel, supporting trigger input and trigger output. Short press the Menu key to enter the menu function page. If the current page is not Menu, short press the Menu key again to return to the menu function page.
  • Page 37 UDP4303S Programmable Linear DC Power Figure 11-1 Trigger Wiring Connecting steps: Connect the wire to the terminal connector as shown in the figure above. Please note the corresponding relationship. (2) Insert the terminal connector into the digital I/O port on the rear panel. Please note the corresponding relationship.

  • Page 38: Trigger Output

    UDP4303S Programmable Linear DC Power Table 11-1 Trigger Input Description Description Port number on the rear number. Trigger input identifier: A character in green indicates that the input is enabled. A character in dark indicates that the input is disabled.

  • Page 39: Chapter 12 Recorder

    UDP4303S Programmable Linear DC Power Description Port number on the rear number. Trigger input identifier: A character in green indicates that the input is enabled. A character in dark indicates that the input is disabled. The specified channel under control Trigger type: Indicates the trigger condition.

  • Page 40: Chapter 13 Storage

    UDP4303S provides a storage function that supports for list output, delayer, monitor, and recorder. UDP4303S offers 10 groups of storage locations for list output, delayer, and monitor, and it also supports saving to external storage. The recorder is only available for external storage. The file suffix of all the storage files is .csv.
  • Page 41 UDP4303S Programmable Linear DC Power a. Internal Storage Page b. External Storage Page Figure 13-1 Storage Function Use the encoder rotary knob, the arrow keys and Esc key (return to the previous level) to select or load the saved file.

  • Page 42: Chapter 14 Preset Setting

    UDP4303S Programmable Linear DC Power Chapter 14 Preset Setting UDP4303S provides 5 groups of output preset function that can be edited and stored freely. Users can preset the voltage, current, voltage limit, and current limit parameters of each channel and series-parallel channel according to their needs.

  • Page 43: Chapter 15 Setup And Language

    Chapter 15 Setup and Language 15.1 Setup UDP4303S has a system setup function. Short press the Menu key to enter the menu function page. If the current page is not Menu, short press the Menu key again to return to the menu function page. Rotate the encoder rotary knob to select “Setup” on the...

  • Page 44: Chapter 16 Remote Control

    UDP4303S Programmable Linear DC Power-Programming Manual. PC Software Control (Instrument manager) Users can remotely control the instrument by sending commands using PC software. It is recommended to use the Instrument Application software provided by UNI-T. The software can be downloaded through...
  • Page 45 UDP4303S Programmable Linear DC Power the UNI-T official WeChat account or UNI-T official website (https://www.uni-trend.com). Operating steps: Setup the communication between the instrument and a PC  Open the Instrument Application software and search the instrument source  Open the remote-control panel and send the command ...

  • Page 46: Chapter 17 Web Server

    UDP4303S Programmable Linear DC Power Chapter 17 WEB Server UDP4303S has a built-in web server. After opening the instrument’s web page in a browser, users can view some basic information and control the instrument (log in with a password before controlling the instrument).

  • Page 47: Chapter 18 Technical Index

    UDP4303S Programmable Linear DC Power Chapter 18 Technical Index Model UDP4303S CH1 and CH2: 0-32 V×2 Voltage CH3: 0-15 V CH4: 0-6 V Rated Output CH1 and CH2: 0-3 A×2 Value Current CH3: 0-3 A×1 CH4: 0-10 A Power 297 W Power regulation rate: <...
  • Page 48 UDP4303S Programmable Linear DC Power Voltage Rise: Full load < 50 ms; Empty load <30 ms CH1-CH3 Programming Fall: Full load < 50 ms; Empty load < 400 ms Response Time Rise: Full load <15 ms; Empty load < 14 ms...

  • Page 49: Copyright Information

    UDP4303S Programmable Linear DC Power Preface Thank you for choosing Uni-T brand new product. To safely operate this equipment, please review this manual thoroughly, pay close attention to the safety notes. After reading this manual, it is recommended to keep the manual at an easily accessible place, preferably close to the device, for future reference.
  • Page 50 UNI-TREND TECHNONOLGY CO., Ltd. The product information in this document subject to update without notice. For more information on UNI-T Test & Measure Instrument products, applications or service, please contact UNI-T instrument for support...
  • Page 53 285*210mm 60g书纸 单色印刷 钉装 无 修改页码 110401112783X UDP4303S...