MGate protocol gateways act as essential industrial communication protocol converters, ensuring seamless interoperability across heterogeneous systems while improving SCADA system performance and efficiency. The advanced MGate MB3x70-G2 Series, a high-performance industrial gateway for SCADA and OT networks, further enhances system responsiveness through its Agent ModeActive Polling: Agent Mode continuously polls data in the background and instantly delivers cached information to SCADA systems, reducing latency compared to conventional transparent gateways.. It also enables seamless integration of non-standard serial devices into industrial Ethernet networks without complex programming, supported by its built-in proprietary serial-to-Ethernet No PLC Programming: Enables integration of custom serial equipment into Ethernet-based industrial networks without rewriting PLC logic, simplifying OT network integration. capabilities.

Industrial Field Device (OT Protocol A)

Serial

MGate Industrial Gateway

Ethernet

SCADA / HMI Control System (OT Protocol B)

This diagram illustrates how the MGate Series functions as an industrial protocol gateway, bridging serial-based field devices with Ethernet-enabled SCADA and HMI systems in modern OT networks. By converting Protocol A from legacy field equipment into Protocol B used by supervisory control systems, the gateway enables reliable, low-latency industrial communication across heterogeneous environments. This approach allows engineers and system integrators to achieve seamless serial-to-Ethernet integration without modifying existing PLC programming, improving industrial network interoperability, scalability, and overall operational efficiency.

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Current Selection Protocol Gateways MGate G2 Series

Need Serial-to-USB connectivity integration? USB-to-Serial UPort G2 Series

The MGate product family delivers a comprehensive portfolio of industrial connectivity solutions designed for engineers, OT network architects, and system integrators. Whether the requirement is to bridge legacy serial devices to Industrial Ethernet, perform seamless industrial protocol conversion, or enable USB-based equipment integration, these gateways streamline system interoperability while improving reliability and deterministic data communication across industrial automation environments. Core offerings include serial device servers for robust Ethernet connectivity, MGate G2 Series protocol gateways for secure and high-performance industrial data translation in SCADA and OT networks, and USB-to-serial converters that provide flexible support for diverse field devices and industrial peripherals.

Why Choose the MGate G2 Series?

Combining high performance, network visibility, and industrial-grade cybersecurity in a single industrial protocol gateway.

• 

  Built-in Industrial Cybersecurity

  • HTTPS / SSH encrypted communication
  • Secure Boot mechanism
  • Access Control List (ACL) management
• 

  High-Performance Industrial Gateway

  • Intuitive Web-based GUI management
  • Advanced protocol diagnostics tools
  • Up to 45% reduced communication latency
• 

  Industrial-Grade Reliability

  • ATEX / CID2 / IECEx certifications
  • DNV* / NEMA TS2 compliance (pending)
  • Flexible multi-interface design

• *DNV certification is pending approval. Refer to the latest datasheet for updated certification status.

Long-Term Industrial Network Assurance

Designed for mission-critical OT environments, the MGate G2 Series, powered by a proprietary ASIC architecture, delivers consistent performance, long-term availability, and enhanced supply-chain stability for industrial automation networks.

Migration Path: From G1 to G2

Rethinking the Connector Layout

For legacy gateways, routine maintenance is often influenced more by cabinet accessibility than by overall performance. G1 units position the DB9 serial connectors along the bottom edge, which can make cable routing less convenient and reduce available workspace after installation. G2 moves the serial connections to the front face and uses terminal blocks, making wiring, cable testing, and cable replacement possible without removing the unit from the rail.

• Front-facing terminal blocks make wiring and cable checks easier without dismounting the unit
• The 4-port DIN-rail model offers additional connections while fitting within the same panel space
• Improved cable management can reduce maintenance effort and help minimize maintenance windows

One Interface Your Team Already Knows

Upgrading hardware can introduce an often-overlooked expense: retraining engineering teams. G2 helps minimize this disruption by preserving the familiar menu logic found on G1 while arranging it into clearer top-level sections for the dashboard, protocol status, network and serial settings, security, account management, and diagnostics. G1 configuration files can also be imported directly into a new G2 unit, allowing teams to complete the migration without rebuilding the configuration from scratch.

• The familiar workflow remains intact within a cleaner and more structured menu layout
• Field teams can begin using the device without going through a separate training cycle
• Direct G1 configuration file import helps reduce setup and migration time
• New role-based permissions enable administrators to define which settings each login can modify
• Built-in diagnostics reduce reliance on a separate monitoring utility

Evaluating the Upgrade

• G1 hardware is based on an older platform that is approaching end of life
• G2 delivers current-generation components with a stronger baseline security posture
• Typical street pricing is comparable to, or lower than, the current price of G1
• Since the familiar interface is retained, teams can avoid additional re-certification and training overhead

Spec-by-Spec: What Has Changed

The table below outlines the primary differences between G1 and G2 across hardware, protocol support, EMC rating, security posture, network design, and diagnostics.

Where MGate G2 Fits in Industrial Applications

• Oil & gas sites: integrating serial flow meters and RTUs with a centralized SCADA network in environments where ATEX/IECEx ratings are required
• Substations: connecting serial protection relays to Modbus- or EtherNet/IP-based monitoring platforms
• Water treatment plants: integrating legacy serial PLCs and meters into an Ethernet backbone without altering the existing control logic
• Mixed-vendor production lines: bringing PLCs and drives using different protocols, including PROFINET and EtherNet/IP, together on a unified network

Explore the MGate G2 Series for Secure Industrial Networks

Web Console: Rapid Field Diagnostics

Access the MGate G2 web console directly from any browser—no software installation needed. Monitor live network traffic, perform one-click diagnostics, and export system logs effortlessly. Identify and resolve issues quickly, reducing machine downtime and keeping operations running smoothly.

7 Essential Security Measures for OT Networks

Discover how the MGate G2 strengthens industrial networks against cyber risks. This video covers seven vital security measures, including default credential management, firmware validation, encrypted data transmission, unauthorized device detection, configuration audits, and scalable device authentication for robust OT protection.

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HTTPS & SSH Encryption Agent Mode Support Proprietary Serial Protocol Support

ATEX Certified CID2 Compliant IECEx Approved DNV* Certified

MGate MB3170/3270/3470-G2 Series

High-performance Modbus gateways designed for seamless SCADA integration. Featuring agent mode operation and advanced cybersecurity measures, these MGate G2 devices protect OT networks while ensuring reliable industrial communication.

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*DNV certification pending. Refer to the datasheet for the latest updates.