Modbus Gateways for Reliable Industrial Communication

Modbus remains one of the most widely used protocols in industrial automation. Our Modbus Gateways allow easy integration between devices operating on different Modbus variants, such as Modbus RTU, ASCII, TCP/IP, and UDP, whether wired or wireless.

Our gateways are designed for rugged industrial environments, meaning they can support machine-to-machine communication and SCADA integration across various physical layers. We have a solution to help unify your devices whether you’re retrofitting a legacy system or deploying brand new infrastructure.

Need advice? Speak to our sales team about our Modbus Gateway range.

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Showing 38 of 38 Modbus Gateways items

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4 options available

Moxa MGate MB3270 Series

2 Port Advanced RS-232/422/485 Ethernet Modbus Gateway – Wide Temperature Operation

From £565.50 (exc. VAT)

1 option available

Moxa MGate MB3180 Series

1 Port RS-232/422/485 Ethernet Modbus Gateway – Power Adapter

From £232.00 (exc. VAT)

1 option available

Moxa MGate MB3480 Series

4 Port RS-232/422/485 Ethernet Modbus Gateway

From £617.50 (exc. VAT)

1 option available

Moxa MGate MB3280 Series

2 Port RS-232/422/485 Ethernet Modbus Gateway

From £407.00 (exc. VAT)

1 option available

Advantech ADAM-4572 Series

1 Port RS-232/422/485 Ethernet Modbus Gateway

From £220.00 (exc. VAT)

3 options available

Advantech EKI-1221 Series

1 Port RS-232/422/485 Class 1 Div 2/ATEX Zone 2 Ethernet Modbus Gateway

From £256.50 (exc. VAT)

2 options available

Moxa MGate 5111 Series

1 Port Modbus/Profinet/EtherNet/IP to PROFIBUS Slave Gateway

From £559.00 (exc. VAT)

2 options available

Moxa MGate 5103 Series

1 Port Modbus RTU/ASCII/TCP/EtherNet/IP to Profinet Gateway

From £546.00 (exc. VAT)

2 options available

Moxa MGate 5109 Series

1 Port Modbus RTU/ASCII/TCP to DNP3 Serial/TCP/UDP Gateway

From £548.50 (exc. VAT)

12 options available

Moxa MGate MB3170 Series

1 Port RS-232/422/485 Ethernet Modbus Gateway – Wide Temperature Operation

From £310.00 (exc. VAT)

8 options available

Moxa MGate MB3660 Series

8 Port RS-232/422/485 Redundant Ethernet Modbus Gateway

From £1,338.50 (exc. VAT)

3 options available

Advantech EKI-1222 Series

2 Port RS-232/422/485 Class 1 Div 2/ATEX Zone 2 Ethernet Modbus Gateway

From £381.00 (exc. VAT)

2 options available

Moxa MGate 5105-MB-EIP Series

1 Port Modbus RTU/ASCII/TCP to EtherNet/IP Gateway

From £559.00 (exc. VAT)

12 options available

Moxa MGate MB3170-G2 Series

1-port RS-232/422/485 Ethernet Modbus Gateway – Copper, fibre & SFP options

8 options available

Moxa MGate MB3470-G2 Series

4 Port RS-232/422/485 Ethernet Modbus Gateway

8 options available

Moxa MGate MB3270-G2 Series

2 Port RS-232/422/485 Ethernet Modbus Gateway

2 options available

Moxa MGate 5121 Series

1 Port Canopen/J1939-to-Modbus TCP Gateway

From £637.50 (exc. VAT)

1 option available

Moxa MGate 5119 Series

1 Port DNP3/IEC 101/IEC 104/Modbus-to-IEC 61850 Gateway

From £979.00 (exc. VAT)

2 options available

Moxa MGate 5118 Series

1 Port Can-J1939 to Modbus/Profinet/EtherNet/IP Gateway

From £559.00 (exc. VAT)

2 options available

Moxa MGate 5114 Series

1 Port Modbus RTU/ASCII/TCP/Iec 101 to Iec 104 Gateway – Wide Temperature Operation

From £548.00 (exc. VAT)

2 options available

Moxa MGate 5101-PBM-MN Series

1 Port PROFIBUS to Modbus TCP Gateway

From £1,015.00 (exc. VAT)

2 options available

Moxa MGate 4101-MB-PBS Series

1 Port RS-232/422/485 Modbus Rtu/Ascii to PROFIBUS Slave Gateway

From £589.00 (exc. VAT)

2 options available

Moxa MGate 5435 Series

4 Port Modbus RTU/ASCII/TCP to EtherNet/IP Gateway – Wide Temperature Operation

From £913.00 (exc. VAT)

2 options available

Moxa MGate 5217 Series

2 Port Modbus RTU/ASCII/TCP to BACnet/Ip Gateway – 600 Data Points – 2x 10/100 Ethernet – 2x RS-232/422/485 Ports

From £572.50 (exc. VAT)

2 options available

Moxa MGate 5135 Series

1 Port Modbus RTU/ASCII/TCP to EtherNet/IP Gateway – Wide Temperature Operation

From £548.50 (exc. VAT)

2 options available

Moxa MGate 5134 Series

1 Port Modbus RTU/ASCII/TCP-to-Profinet Gateway

From £559.00 (exc. VAT)

1 option available

Advantech EKI-1361-MB Series

1 Port RS-232/422/485 Wireless Modbus Gateway

1 option available

Advantech EKI-1242PNMS Series

4 Port Modbus RTU/TCP to Profinet Gateway – 4x 10/100 Ethernet – 2x RS-232/422/485 Ports

1 option available

Advantech EKI-1242ECMS Series

4 Port Modbus RTU/TCP to EtherCAT Fieldbus Gateway – 4x 10/100 Ethernet – 2x RS-232/422/485 Ports

1 option available

Advantech EKI-1242BNMS Series

4 Port Modbus RTU/TCP to BACnet Ip/Mstp Fieldbus Gateway – 4x 10/100 Ethernet – 2x RS-232/422/485 Ports

1 option available

Advantech EKI-1222I-SC Series

2 Port RS-232/422/485 Class 1 Div 2/ATEX Zone 2 Ethernet Modbus Gateway – 1x SC-Type Single-Mode Fibre – Extended Wide Temperature Operation

1 option available

Advantech EKI-1221I-MT Series

1 Port RS-232/422/485/485 Class 1 Div 2/ATEX Zone 2 Ethernet Modbus Gateway – Multi-Mode ST Fibre

1 option available

Advantech EKI-1242EIMS Series

4 Port Modbus RTU/TCP to EtherNet/IP Gateway – 4x 10/100 Ethernet – 2x RS-232/422/485 Ports

From £591.50 (exc. VAT)

1 option available

Advantech EKI-1242IOUMS Series

4 Port Modbus TCP/RTU to OPC UA Fieldbus Gateway – 4x 10/100 Ethernet – 2x RS-232/422/485 Ports

From £589.50 (exc. VAT)

3 options available

Advantech EKI-1224 Series

4 Port RS-232/422/485 Class 1 Div 2/ATEX Zone 2 Ethernet Modbus Gateway

From £497.50 (exc. VAT)

1 option available

Advantech EKI-1211 Series

1 Port RS-232/422/485 Class 1 Div 2/ATEX Zone 2 Ethernet Modbus Gateway

From £189.50 (exc. VAT)

1 option available

Advantech EKI-1228 Series

8 Port RS-232/422/485 DIN-Rail Ethernet Modbus Gateway

From £808.00 (exc. VAT)

2 options available

Moxa AIG-101 Series

2 Port Ethernet Modbus Gateway – MQTT – Azure – AWS Support

From £627.50 (exc. VAT)

How Do Gateways Manage Large Numbers of Modbus Devices?
Some models support routing to hundreds of Modbus nodes, with features like response time control and packet segmentation to maintain stable performance across busy networks.

Are There Security Considerations for Modbus Integration?
Modbus itself has no built-in authentication. Industrial gateways often add features such as secure management interfaces and IP filtering to help protect critical infrastructure when connecting Modbus devices to wider Ethernet networks.

What About Long-Term Compatibility?
We supply Modbus gateways that remain available through extended lifecycle programmes. This reduces the risk of sudden product changes and makes it easier to maintain uniform deployments across UK facilities.