RS485 Modbus Gateway
RS485 Modbus Gateway
5DI, 5AI, 10AI, 10DI
Seamless Industrial Data Integration with Flexible Digital & Analog Inputs
RS485 Modbus RTU/TCP
5 Digital Inputs (DI)
5 Analog Inputs (AI)
10 Analog Inputs (AI)
10 Digital Inputs (DI)
Product Overview
The RS485 Modbus Gateway is a robust industrial protocol converter designed for seamless integration of digital and analog signals into SCADA, PLC, and automation systems. With flexible input options (5DI, 5AI, 10AI, 10DI), it enables real-time monitoring and control of a wide range of field devices.

Supporting both Modbus RTU and Modbus TCP, this gateway ensures reliable data acquisition, protocol conversion, and remote access for modern industrial environments.
Key Highlights
Technical Specifications
Feature Details
Communication RS485 (Modbus RTU), Ethernet (Modbus TCP)
Digital Inputs (DI) 5 or 10, Opto-isolated, Dry Contact
Analog Inputs (AI) 5 or 10, 0-10V/4-20mA selectable
Input Resolution 12-bit/16-bit ADC
Power Supply 9-36V DC, Reverse Polarity Protection
Mounting DIN Rail, Panel Mount
Operating Temp -40°C to +85°C
Enclosure IP30, Industrial Plastic/Metal
Certifications CE, FCC, RoHS
Tech Stack & Components
Embedded Linux/RTOS
Modbus RTU/TCP Stack
Industrial MCU
12/16-bit ADC
Opto-Isolated Inputs
Ethernet/RS485
How It Works
Connect Inputs
Wire digital and analog signals to the gateway's input terminals.
Network Setup
Configure RS485 or Ethernet for Modbus communication.
Protocol Conversion
Gateway translates field signals to Modbus registers for SCADA/PLC.
Monitor & Control
Access real-time data and control via SCADA, PLC, or cloud.
Use Case
Industrial Automation: Integrate sensors, switches, and transducers into SCADA/PLC for process monitoring and control.
Building Management: Collect and transmit environmental and utility data for smart building systems.
Remote Monitoring: Enable remote access to field data for predictive maintenance and analytics.

Ready to Modernize Your Industrial Data?

AaensaTech brings you reliable, scalable Modbus integration.
Upgrade your automation with the RS485 Modbus Gateway—flexible, robust, and easy to deploy.

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