Key facts
- Brand
- moxa
- Model
- MB3000
- Category
- Industrial Robot
- Documents
- 2
- Languages
- EN
- Last added
- 2026-10-20
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Moxa MGate MB3000 Modbus Gateway User's Manual
The MGate MB3000 is a line of Modbus protocol gateways designed to provide seamless integration between Ethernet and serial Modbus devices. It supports RS-232, RS-422, and RS-485 communication and automatically translates between Modbus TCP and Modbus ASCII/RTU protocols. The manual covers one, two, and four-port models, allowing users to select master or slave operation for each serial port to handle diverse Modbus applications.
Read onlineMoxa MB3000 specifications
| Maximum Slaves per Serial Port | Up to 31 Modbus RTU/ASCII slaves |
|---|---|
| Maximum TCP Connections | Up to 32 Modbus TCP connections |
| Ethernet Speed | 10/100M Fast Ethernet |
| Maximum Serial Speed | 921.6 Kbps |
| Maximum TCP Masters | Up to 16 Modbus TCP masters |
All Moxa MB3000 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
Can the MGate MB3000 operate as both a master and a slave?
Yes, the operation modes allow users to select master or slave operation for each serial port.
How many Modbus TCP connections can the gateway handle?
The gateway can handle up to 32 Modbus TCP connections with Modbus RTU/ASCII masters.
Which models are covered in this manual?
The manual applies to the MGate MB3180, MB3280, MB3480, MB3170/3170I, and MB3270/3270I models.
Can the operation mode be selected for each serial port?
Yes, users can select master or slave operation for each serial port independently.