NET232+ Modbus RS232 Adapter (RTU / ASCII / TCP): Universal - DTE - Male 9 Pin RS232 Connector

The NET232+ Modbus RS232 to TCP Converter is a compact, plug-and-play solution that enables legacy RS232 Modbus devices to communicate over modern Ethernet TCP/IP networks. Designed for industrial automation, remote device management, and SCADA applications, this adapter provides seamless protocol conversion from Modbus RTU/ASCII to Modbus TCP—all without requiring changes to existing software.

Key Features & Benefits

• Modbus RS232 to TCP Conversion – Seamlessly integrate serial Modbus RTU/ASCII devices into modern Ethernet TCP/IP networks.

• No Software Changes Required – Effortlessly convert Modbus serial data into Modbus TCP packets without modifying existing software.

• Plug-and-Play Configuration – Simple web-based setup allows quick installation and minimal downtime.

• Secure & Reliable Data Transmission – Supports multiple TCP connections, ensuring stable industrial communication.

• Industrial-Grade Performance – Designed for harsh environments, with LED indicators, factory reset button, and durable casing.

Quick & Easy Setup

Setting up the NET232+ Modbus ASCII to TCP/IP Gateway takes just minutes:

1. Connect the adapter to your RS232 Modbus device and Ethernet network.

2. Access the web-based configuration tool or use the included setup software.

3. Assign a static IP or use DHCP, then configure Modbus TCP settings.

4. Start communicating—your Modbus RTU/ASCII commands will automatically map to Modbus TCP packets.

Need Help? Our expert support team is available to assist you.

Why Choose NET232+?

• Simple & Reliable – Unlike other converters, the NET232+ Modbus offers true plug-and-play operation with no complex configuration required.

• Universal Compatibility – Works with any RS232 Modbus RTU/ASCII device, including industrial controllers, PLCs, and sensors.

• Secure & Scalable – Supports multiple TCP connections, making it ideal for expanding industrial networks.

• Fully NDAA Compliant – Trusted for government, military, and security-sensitive applications.

Compatible with Any RS232 Modbus Device

The NET232+ RS232 to Ethernet Adapter supports a wide range of Modbus devices, including:

• Industrial Controllers & PLCs – Bridge legacy RS232 PLCs to modern Ethernet networks.

• SCADA & Remote Monitoring Systems – Enable real-time data access for Modbus-based monitoring applications.

• Smart Meters & Sensors – Integrate energy meters, flow meters, and other Modbus devices into TCP/IP networks.

• Building Automation & HVAC Systems – Connect RS232-based automation controllers to cloud-based platforms.

Who Needs NET232+?

• Industrial Automation Engineers – Enable secure remote access to Modbus controllers and PLCs.

• SCADA System Administrators – Convert RS232 serial communication into Ethernet-based Modbus TCP.

• Facilities & Building Automation Managers – Integrate HVAC and industrial control systems into modern networks.

• Energy & Utility Professionals – Connect power meters, water flow meters, and other Modbus monitoring devices.

Flexible Power Options

The NET232+ Modbus RS232 to TCP Converter is designed for versatile deployment, with multiple power supply options:

• USB-Powered – Use the optional USB to Barrel Jack cable for quick, easy power sourcing.

• AC Power Adapter – Supports 110V (US) or 220V (EU) wall adapters, ensuring global compatibility.

Customization Available

Grid Connect offers custom engineering services to customize the NET232+ to your exact requirements. 

NDAA Compliant

This product is fully NDAA compliant, making it a trusted choice for use in government, military, and other security-sensitive applications. Its compliance ensures it meets U.S. regulations for secure and reliable industrial connectivity solutions.

Upgrade Your Modbus Connectivity Today!

Eliminate legacy RS232 limitations, modernize your Modbus network, and enable remote access with the NET232+ Modbus RS232 to TCP Converter.

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