Owon P4305 30V 5A Programmable DC Power Supply Documentation

Component Description

Owon P4305 30V 5A Programmable DC Power Supply

Overview

The Owon P4305 is a high-precision, programmable DC power supply designed for various applications, including laboratory testing, research and development, and industrial automation. This 30V 5A power supply offers an accurate and reliable source of DC power, making it an ideal choice for powering a wide range of devices and systems.

Functionality

The Owon P4305 programmable DC power supply provides a stable and adjustable DC output voltage and current, allowing users to set specific voltage and current levels for their application. The device offers a high degree of flexibility, enabling users to program and store customized power supply profiles for repeated use.

Key Features

Output Voltage and Current: The P4305 offers an adjustable output voltage range of 0-30V and a maximum output current of 5A, making it suitable for a wide range of devices and systems.
Programmability: The power supply features programmable voltage and current settings, allowing users to store and recall customized power supply profiles for repeated use.
High Precision: The P4305 boasts a high degree of precision, with a voltage accuracy of 0.01% and a current accuracy of 0.02%.
LCD Display: The device features a large and clear LCD display, providing real-time monitoring of output voltage, current, and power.
Multiple Input Interfaces: The P4305 offers multiple input interfaces, including USB, RS232, and GPIB, making it easy to integrate with a variety of systems and devices.
Safety Features: The power supply incorporates several safety features, including over-voltage protection, over-current protection, and short-circuit protection, to ensure safe and reliable operation.
Adjustable Slope and Slew Rate: The P4305 allows users to adjust the slope and slew rate of the output voltage and current, enabling precise control over power supply ramp-up and ramp-down times.
Remote Control Capability: The power supply can be remotely controlled and monitored using the provided software, allowing users to control multiple devices from a single interface.
Memory Function: The P4305 features a memory function, enabling users to store up to 10 customized power supply profiles for quick recall.
Compact Design: The device features a compact and durable design, making it suitable for use in a variety of environments, including laboratory benches and industrial control panels.

Applications

The Owon P4305 programmable DC power supply is suitable for a wide range of applications, including

Laboratory testing and research

Research and development

Industrial automation and control

Power supply testing and validation

Education and training

Technical Specifications

Output Voltage

0-30V

Output Current

0-5A

Voltage Accuracy

0.01%

Current Accuracy

0.02%

Resolution

0.1mV/0.1mA

Ripple and Noise

1mV (RMS)

Input Voltage

100-240VAC, 50/60Hz

Power Consumption

150W

Dimensions

215 x 140 x 420mm (W x H x D)

Weight

3.5kg

Warranty and Support

The Owon P4305 programmable DC power supply comes with a 1-year limited warranty and comprehensive technical support, including online documentation, FAQs, and direct support from the manufacturer.

Pin Configuration

Owon P4305 30V 5A Programmable DC Power Supply Pinout Explanation
The Owon P4305 30V 5A Programmable DC Power Supply has a total of 26 pins, divided into three categories: Power Output, Remote Control, and Programming Interface. Here's a detailed explanation of each pin:
Power Output (12 pins)
1. V+ (Positive Output): This pin provides the positive output voltage (up to 30V) of the power supply.
2. V- (Negative Output): This pin provides the negative output voltage (up to -30V) of the power supply.
3. COM (Common Ground): This pin serves as the common ground connection for the power supply.
Output Sense (4 pins)
4. VS+ (Sense Positive): This pin is connected to the positive output cable to sense the actual output voltage.
5. VS- (Sense Negative): This pin is connected to the negative output cable to sense the actual output voltage.
6. IS+ (Sense Positive Current): This pin is connected to the positive output cable to sense the actual output current.
7. IS- (Sense Negative Current): This pin is connected to the negative output cable to sense the actual output current.
Remote Control (4 pins)
8. REM (Remote Enable): This pin is used to enable or disable the power supply remotely. Connect to GND to enable, or leave open to disable.
9. IN+ (Remote Input Positive): This pin is used to set the output voltage remotely.
10. IN- (Remote Input Negative): This pin is used to set the output voltage remotely.
11. CV (Remote Control Voltage): This pin outputs the remote control voltage (5V or 10V).
Programming Interface (6 pins)
12. RX (Receive): This pin is used for serial communication (RS-232) to receive data from a host device.
13. TX (Transmit): This pin is used for serial communication (RS-232) to transmit data to a host device.
14. GND (Ground): This pin is the ground connection for the programming interface.
15. VCC (Power Supply): This pin provides the power supply voltage (5V or 10V) for the programming interface.
16. DTR (Data Terminal Ready): This pin is used for serial communication (RS-232) to indicate the readiness of the power supply to receive data.
17. RTS (Request to Send): This pin is used for serial communication (RS-232) to request the host device to send data.
Reserved Pins (4 pins)
18. NC (Not Connected): Do not connect to this pin.
19. NC (Not Connected): Do not connect to this pin.
20. NC (Not Connected): Do not connect to this pin.
21. NC (Not Connected): Do not connect to this pin.
Jumpers (2 pins)
22. J1 (Voltage Selection): This jumper is used to select the output voltage range (30V or 5V).
23. J2 (Current Limit Selection): This jumper is used to select the current limit range (5A or 3A).
Miscellaneous
24. FAN (Fan Control): This pin is used to control the fan speed.
25. LED (LED Indicator): This pin is used to control the LED indicator.
26. GND (Ground): This pin is the ground connection for the power supply.
Connection Structure:
When connecting the pins, make sure to follow the recommended structure to avoid any damage to the power supply or connected devices:
Use a 26-pin ribbon cable or individual wires to connect the pins.
Use a breadboard or PCB to connect the pins, ensuring proper insulation and isolation.
Keep the power supply turned off when making connections to avoid any electrical shock or damage.
Double-check the pinout and connection diagram before powering on the power supply.
Remember to consult the user manual and datasheet provided by the manufacturer for more detailed information on the pinout, connection, and usage of the Owon P4305 30V 5A Programmable DC Power Supply.

Code Examples

Owon P4305 30V 5A Programmable DC Power Supply Documentation

Overview

The Owon P4305 is a programmable DC power supply that provides a stable and precise output voltage and current. It is suitable for a wide range of applications, including laboratory testing, product development, and IoT projects. This documentation provides an overview of the component's features, specifications, and code examples to demonstrate its usage in various contexts.

Features and Specifications

Output voltage: 0-30V
 Output current: 0-5A
 Output power: 150W
 Resolution: 0.01V/0.001A
 Accuracy: (1%+1mV)/(1%+1mA)
 Interface: RS232, USB, and LAN
 Programmable via computer software or remote control

Code Examples

### Example 1: Basic Usage with Python and PySerial Library

In this example, we will use the Owon P4305 with a Python script to set the output voltage and current using the RS232 interface.

Hardware Requirements

Owon P4305 DC Power Supply
 RS232 cable
 Computer with Python installed
 PySerial library (install using `pip install pyserial`)

Code
```python
import serial

# Open the serial connection
ser = serial.Serial('COM3', 9600, timeout=1)  # Replace COM3 with your serial port

# Set the output voltage to 12V
ser.write(b'SET:VOLT 12.0
')
response = ser.readline()
print(response.decode().strip())

# Set the output current to 2A
ser.write(b'SET:CURR 2.0
')
response = ser.readline()
print(response.decode().strip())

# Close the serial connection
ser.close()
```
### Example 2: Remote Control using LabVIEW

In this example, we will use the Owon P4305 with LabVIEW to create a remote control interface to set the output voltage and current using the LAN interface.

Hardware Requirements

Owon P4305 DC Power Supply
 Ethernet cable
 Computer with LabVIEW installed

Code

Create a new LabVIEW project and add the following VI:

SET VOLTAGE.vi

Import the Owon P4305 LAN driver (available on the manufacturer's website)
 Create a TCP/IP connection to the power supply using the IP address and port (default: 192.168.0.100:23)
 Use the `Write` function to send the `SET:VOLT <value>` command to set the output voltage
 Use the `Read` function to receive the response from the power supply

SET CURRENT.vi

Repeat the steps above for setting the output current using the `SET:CURR <value>` command

Remote Control Interface.vi

Create a user interface with two numeric controls for voltage and current
 Use the `SET VOLTAGE.vi` and `SET CURRENT.vi` VIs to send the commands to the power supply
 Display the response from the power supply in a string indicator

Front Panel

Create a front panel with two numeric controls and a submit button. When the submit button is pressed, the VI sends the commands to the power supply and displays the response.

Block Diagram

The block diagram will contain the `SET VOLTAGE.vi` and `SET CURRENT.vi` VIs, as well as the TCP/IP connection and error handling logic.

This is just a basic example to demonstrate the usage of the Owon P4305 with LabVIEW. You can customize the VI to suit your specific requirements.

Note: The code examples provided are for illustration purposes only and may require modifications to work with your specific setup. Ensure you consult the Owon P4305 user manual and technical documentation for detailed programming instructions and guidelines.

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