DC-DC Isolated Adjustable Power Supply Module | Modbus RS485
DC-DC Isolated Adjustable Power Supply Module | Modbus RS485
DC-DC Isolated Adjustable Power Supply Module with Modbus RS485 Communication
Take precise control of your DC power applications with this DC-DC Isolated Adjustable Power Supply Module. Designed for engineers, hobbyists, and industrial automation professionals, this module delivers a fully isolated, digitally adjustable output voltage — all controllable via Modbus RTU over RS-485. With a compact DIN rail form factor and robust isolated communication interface, it's the ideal choice for automation panels, test benches, PLCs, and embedded control systems.
Key Features
- Wide Input Range: Accepts DC 12V to 24V input — compatible with most standard industrial and bench power sources.
- Fully Adjustable Output: Delivers DC 0–24V isolated output, giving you complete voltage flexibility for your application.
- Maximum Output Power: Up to 15W continuous output power — suitable for powering sensors, actuators, and control circuits.
- Isolated Design: Both the power output and the RS-485 communication interface are fully isolated, protecting your control system and downstream devices from noise and ground loops.
- Modbus RTU Protocol: Industry-standard Modbus RTU communication over RS-485 allows seamless integration with PLCs, HMIs, SCADA systems, and microcontrollers.
- DIN Rail Mount: Designed for standard 35mm DIN rail installation — quick, secure, and professional panel integration.
- Compact Form Factor: Dimensions of 88 × 24 × 58 mm keep your panel tidy without sacrificing functionality.
Specifications
| Input Voltage | DC 12V – 24V |
| Output Voltage | DC 0V – 24V (Isolated) |
| Maximum Output Power | 15W |
| Communication Interface | RS-485 (Isolated) |
| Communication Protocol | Modbus RTU |
| Input Terminals | VI+ (Positive), VI− (Negative) |
| Output Terminals | VO+ (Positive), VO− (Negative) |
| Dimensions | 88 × 24 × 58 mm |
| Installation | 35mm DIN Rail Mount |
| Country of Origin | Made in Mainland China |
What's in the Box?
- 1× DC-DC Isolated Adjustable Power Supply Module
Important Notes
- Colors may appear slightly different due to monitor/screen settings and lighting conditions.
- Please allow ±1–10mm measurement tolerance due to manual measurement methods.
Learn More About Industrial Electrical Safety Standards
For guidance on safe electrical wiring and component installation in industrial environments, refer to the OSHA Electrical Safety Standards — an authoritative resource for working safely with DC power systems and control panels.
Frequently Asked Questions
Q: What is the output voltage range of this DC-DC adjustable power supply module?
A: This module provides a fully adjustable DC output voltage ranging from 0V to 24V, giving you precise control over your power delivery. The output is fully isolated from the input for maximum circuit protection.
Q: How do I control the output voltage via Modbus RS485?
A: The module uses the industry-standard Modbus RTU protocol over its isolated RS-485 interface. You can connect it to any Modbus-compatible master device — such as a PLC, HMI, SCADA system, or microcontroller — and use standard Modbus RTU read/write commands to set and monitor the output voltage programmatically.
Q: What type of DIN rail does this module mount on?
A: This module is designed for standard 35mm DIN rail installation, which is the most widely used rail type in industrial control panels and electrical enclosures. No additional hardware is required for mounting.
Q: What is the maximum power this module can supply?
A: The maximum continuous output power is 15W. Ensure your load requirements do not exceed this limit to maintain stable and reliable operation of the module.