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MGate MB3180/MB3280/MB3480 Series | 1, 2, and 4-port standard serial-to-Ethernet Modbus gateways

Specifications

SKU: MGate MB3180

Color: High Density, Cost-Effective Gateways
The MGate MB3000 gateways can effectively connect a high density of Modbus nodes to the same network. The MB3280 can manage up to 62 serial slave nodes, and the MB3480 can manage up to 124 serial slave nodes. Each RS-232/422/485 serial port can be configured individually for Modbus RTU or Modbus ASCII operation and for different baudrates, allowing both types of networks to be integrated with Modbus TCP through one Modbus gateway.

IndraDrive compact converter: Auto-Device Routing for Easy Configuration
Moxa’s Auto-Device Routing function helps eliminate many of the problems and inconveniences encountered by engineers who need to configure large numbers of Modbus devices. A single mouse click is all that’s required to set up a slave ID routing table and configure Modbus gateways to automatically detect Modbus requests from a supervisory control and data acquisition (SCADA) system. By removing the need to manually create the slave ID routing table, the Auto-Device Routing function saves engineers significant time and cost.

Technical: Introduction
The MB3180, MB3280, and MB3480 are standard Modbus gateways that convert between Modbus TCP and Modbus RTU/ASCII protocols. Up to 16 simultaneous Modbus TCP masters are supported, with up to 31 RTU/ASCII slaves per serial port. For RTU/ASCII masters, up to 32 TCP slaves are supported. Routing through the serial ports can be controlled by IP address, TCP port number, or ID mapping. Serial-port routing by TCP port and IP address allows access for up to 4 TCP clients/masters (MB3280/MB3480 models), while routing by ID mapping allows access for up to 16 TCP clients/masters (MB3180/MB3280/MB3480).

Options: Standard Modbus Network Integration
The three standard MGate models (MB3180, MB3280, and MB3480) are designed for easy integration of Modbus TCP and RTU/ASCII networks. With these models, Modbus serial slave devices can be seamlessly incorporated into an existing Modbus TCP network, and Modbus TCP slaves can be made accessible to serial masters. The MB3180, MB3280, and MB3480 offer features that make network integration easy, customizable, and compatible with almost any Modbus network.

Weighing: Features and Benefits
Supports Auto Device Routing for easy configuration
Supports route by TCP port or IP address for flexible deployment
Converts between Modbus TCP and Modbus RTU/ASCII protocols
1 Ethernet port and 1, 2, or 4 RS-232/422/485 ports
16 simultaneous TCP masters with up to 32 simultaneous requests per master
Easy hardware setup and configuration


The Moxa MGate MB3180 is a 1-port, industrial-grade gateway designed to bridge communications between Modbus TCP (Ethernet) networks and Modbus RTU/ASCII (Serial) devices. It acts as a protocol translator. This allows legacy serial equipment like meters, PLCs, and sensors to communicate with modern SCADA systems and controllers over Ethernet.
Key Technical Specifications
The gateway packs essential industrial communication capabilities into a compact design:
  • Ethernet Port: One 10/100 Mbps RJ45 port with built-in 1.5 KV magnetic isolation protection.
  • Serial Port: One software-selectable RS-232, RS-422, or RS-485 port utilizing a DB9 male connector.
  • Data Rates: Supports serial baud rates ranging from 50 bps up to 921.6 kbps.
  • Power Input: Accepts a wide voltage range from 12 to 48 VDC.
  • Physical Housing: Durable, fanless IP30 metal casing meant for wall or DIN-rail mounting.
  • Operating Temperature: Formulated for standard industrial environments ranging from 0°C to 60°C.
Network Capacity & Smart Routing
Despite its tiny footprint, the device handles high-density traffic efficiently:
  • TCP Connections: Supports up to 16 simultaneous Modbus TCP masters or clients.
  • Simultaneous Requests: Processes up to 32 requests per master at the same time.
  • Serial Slaves: Connects up to 31 Modbus RTU/ASCII slave nodes per serial port.
  • Flexible Deployment: Features Auto-Device Routing. This function automatically maps and directs requests based on IP address, TCP port number, or ID mapping, saving field engineers tedious routing configuration time.
Management and Security
Engineers can manage the MGate MB3180 using several accessible tools:
  • Configuration Modes: Settings are configurable via web console, a Windows utility (MGate Manager), a serial console, or Telnet.
  • Security Features: Provides security enhancements including HTTPS access, user authentication databases, and strong encryption (AES-128, AES-256, and SHA-256).
For full deployment steps and configuration software, you can visit the official Moxa MGate MB3180 Product Page or download manual files from the Moxa Documentation Hub.
Are you looking to configure a new device, troubleshoot an existing unit, or check its pricing and availability?


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