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1 and 2-port advanced serial-to-Ethernet Modbus gateways |
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Features |
Details |
Specs |
Ordering |
Features and Benefits
 Configuration is exceptionally easy
- Slave mode supports 16 TCP masters and up to 62 serial slaves at the same time
- Master mode supports 32 TCP slaves at the same time
- Emergency request tunnels ensure QoS control
- Serial redirector function provided
- Embedded Modbus protocol analyzer
- Redundant dual DC power inputs
- Built-in Ethernet cascading for easy wiring
Overview
The MB3170 and MB3270 are advanced Modbus gateways that provide maximum flexibility for integrating industrial Modbus networks of all types and sizes. They are designed to integrate Modbus TCP, ASCII, and RTU devices in almost any master and slave combination, including serial master to serial slave, or simultaneous serial and Ethernet masters. A special priority control feature allows urgent commands to obtain immediate response. All models are ruggedly constructed, are DIN-rail mountable, and offer built-in optical isolation for serial signals as an option.
Integration of TCP masters without alteration to Modbus RTU/ASCII network or software
The MB3270 can integrate Modbus TCP with Modbus RTU/ASCII,without modifying the existing Modbus RTU/ASCII architecture or software. With the serial redirector function, a serial master can maintain direct access to serial slave devices through a specially mapped serial port. This allows the serial and TCP masters to access serial slaves simultaneously.
Cascading Ethernet ports for easy wiring
Advanced models of the MGate™ MB3000 series have two Ethernet ports to make network wiring easier. Dual Ethernet ports allow users to string multiple Modbus gateways together using standard RJ45 Ethernet cables, eliminating the need for a separate Ethernet switch.
Redundant power inputs
Advanced models of the MB3000 series have dual power inputs for greater reliability. The power inputs allow simultaneous connections to two live DC power sources, so that continuous operation is provided even if one power source fails. The higher level of reliability makes these advanced Modbus gateways ideal for demanding industrial applications.
Warning by relay output
A relay output is provided for the Ethernet link and power input status. The relay output gives maintenance engineers an additional tool for troubleshooting and maintenance.
Priority control for urgent commands (patent pending)
As Modbus networks increase in size and complexity, the lag time between commands and responses becomes a major concern. Advanced models of the MB3000 series provide a priority control function for urgent commands, allowing users to force certain commands to get an immediate response. Depending on your system’s requirements, different methods are available to define which commands receive priority.
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| • LAN Interface | | Number of Ports | 2 | | Speed | 10/100 Mbps, Auto MDI/MDIX | | Connectors for External Antenna | 8-pin RJ45 | | Magnetic Isolation Protection | 1.5 KV built-in |
| • Serial Interface | | Serial Standards | RS-232/422/485, software selectable | | Number of Ports | MGate MB3170/3170I: 1
MGate MB3270/3270I: 2 | | Connectors | MB3170/3170I: DB9 male for RS-232, Terminal block for RS-422/485
MB3270/3270I: DB9 male x 2 | | RS-485 Data Direction Control | ADDC® (automatic data direction control) | | ESD Protection | ESD Protection: 15 KV for all signals |
| • Serial Communication Parameters: | | Baudrate | 50 bps to 921.6 Kbps | | Data Bits | 7, 8 | | Stop Bits | 1, 2 | | Parity | None, Even, Odd, Space, Mark | | Flow Control | RTS/CTS, XON/XOFF |
| • Serial Signals | | RS-232 | TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND | | RS-422 | Tx+, Tx-, Rx+, Rx-, GND | | RS-485-4w | Tx+, Tx-, Rx+, Rx-, GND | | RS-485-2w | Data+, Data-, GND |
| • Environmental Limits: | | Operating Temperature | Standard Models: 0 to 55°C (32 to 131°F)
Wide Temp. Models: -40 to 75°C (-40 to 167°F) | | Storage Temperature | -20 to 85°C (-4 to 185°F) | | Operating Humidity | 5 to 95% RH |
| • Power Requirements: | | Input Voltage | 12 to 48 VDC | | Power Connector | Terminal block |
| • Regulatory Approvals | | Safety | UL (UL60950-1), TÜV (EN60950-1) | | EMC | CE (EN55022 Class A and EN55024), FCC Part 15 Subpart B Class A | | Hazardous Location | UL/cUL Class 1 Division 2 Groups A, B, C, D; ATEX Class 1 Zone 2 | | Shock | IEC60068-2-27 | | Freefall | IEC60068-2-23 | | Vibration | IEC60068-2-6 | | EN61000-4-2 (ESD) | Level 3 | | EN61000-4-3 (RS) | Level 3 | | EN61000-4-4 (EFT) | Level 4 | | EN61000-4-5 (Surge) | Level 3 | | EN61000-4-6 (CS) | Level 3 | | EN61000-4-8 | Passed | | EN61000-4-11 | Passed | | EN61000-4-12 | Passed | | Marine | DNV |
| • Warranty: | | Warranty Period | 5 years | | Details | See www.moxa.com/warranty |
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Dimensions (unit: mm)
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