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.

Enquire Now
Modbus

Showing 35 of 35 Modbus Gateways items

Filter your results
Clear Filters
  • Availability
  • Category
  • Manufacturer
  • Protocol
  • Ethernet
  • Serial
      • to
  • Serial Interface
EKI-1242ECMS
Advantech EKI-1242ECMS
4 Port Modbus RTU/TCP to EtherCAT Fieldbus Gateway – 4x 10/100 Ethernet – 2x RS-232/422/485 Ports
EKI-1242BNMS
Advantech EKI-1242BNMS
4 Port Modbus RTU/TCP to BACnet Ip/Mstp Fieldbus Gateway – 4x 10/100 Ethernet – 2x RS-232/422/485 Ports
EKI-1211
Advantech EKI-1211
1 Port RS-232/422/485 Class 1 Div 2/ATEX Zone 2 Ethernet Modbus Gateway
£179.50
EKI-1228
Advantech EKI-1228
8 Port RS-232/422/485 DIN-Rail Ethernet Modbus Gateway
£766.00
ADAM-4572
2 in stock
Advantech ADAM-4572
1 Port RS-232/422/485 Ethernet Modbus Gateway
£209.00
EKI-1242PNMS
Advantech EKI-1242PNMS
4 Port Modbus RTU/TCP to Profinet Gateway – 4x 10/100 Ethernet – 2x RS-232/422/485 Ports
AIG-101
Moxa AIG-101
2 Port Ethernet Modbus Gateway – MQTT – Azure – AWS Support
£605.50
MGate 5135
Moxa MGate 5135
1 Port Modbus RTU/ASCII/TCP to EtherNet/IP Gateway – Wide Temperature Operation
£534.00
MGate 5114
Moxa MGate 5114
1 Port Modbus RTU/ASCII/TCP/Iec 101 to Iec 104 Gateway – Wide Temperature Operation
£529.50
MGate 5119
Moxa MGate 5119
1 Port DNP3/IEC 101/IEC 104/Modbus-to-IEC 61850 Gateway
£969.50
MGate 5435
Moxa MGate 5435
4 Port Modbus RTU/ASCII/TCP to EtherNet/IP Gateway – Wide Temperature Operation
£889.00
EKI-1361-MB
Advantech EKI-1361-MB
1 Port RS-232/422/485 Wireless Modbus Gateway
EKI-1221I-MT
Advantech EKI-1221I-MT
1 Port RS-232/422/485/485 Class 1 Div 2/ATEX Zone 2 Ethernet Modbus Gateway – Multi-Mode ST Fibre
EKI-1222I-SC
Advantech EKI-1222I-SC
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
EKI-1224
Advantech EKI-1224
4 Port RS-232/422/485 Class 1 Div 2/ATEX Zone 2 Ethernet Modbus Gateway
£472.00
EKI-1222
5 in stock
Advantech EKI-1222
2 Port RS-232/422/485 Class 1 Div 2/ATEX Zone 2 Ethernet Modbus Gateway
£361.00
EKI-1221
1 in stock
Advantech EKI-1221
1 Port RS-232/422/485 Class 1 Div 2/ATEX Zone 2 Ethernet Modbus Gateway
£243.00
MGate 5111
4 in stock
Moxa MGate 5111
1 Port Modbus/Profinet/EtherNet/IP to PROFIBUS Slave Gateway
£527.50
MGate 4101-MB-PBS
Moxa MGate 4101-MB-PBS
1 Port RS-232/422/485 Modbus Rtu/Ascii to PROFIBUS Slave Gateway
£576.50
MGate 5101-PBM-MN
Moxa MGate 5101-PBM-MN
1 Port PROFIBUS to Modbus TCP Gateway
£994.00
MGate 5134
Moxa MGate 5134
1 Port Modbus RTU/ASCII/TCP-to-Profinet Gateway
£547.50
MGate 5118
Moxa MGate 5118
1 Port Can-J1939 to Modbus/Profinet/EtherNet/IP Gateway
£547.50
MGate 5121
Moxa MGate 5121
1 Port Canopen/J1939-to-Modbus TCP Gateway
£651.00
MGate 5217
Moxa MGate 5217
2 Port Modbus RTU/ASCII/TCP to BACnet/Ip Gateway – 600 Data Points – 2x 10/100 Ethernet – 2x RS-232/422/485 Ports
£560.50
MGate 5105-MB-EIP
Moxa MGate 5105-MB-EIP
1 Port Modbus RTU/ASCII/TCP to EtherNet/IP Gateway
£537.00
EKI-1242EIMS
Advantech EKI-1242EIMS
4 Port Modbus RTU/TCP to EtherNet/IP Gateway – 4x 10/100 Ethernet – 2x RS-232/422/485 Ports
£567.50
EKI-1242IOUMS
Advantech EKI-1242IOUMS
4 Port Modbus TCP/RTU to OPC UA Fieldbus Gateway – 4x 10/100 Ethernet – 2x RS-232/422/485 Ports
£555.00
MGate MB3480
15 in stock
Moxa MGate MB3480
4 Port RS-232/422/485 Ethernet Modbus Gateway
£596.00
MGate 5109
1 in stock
Moxa MGate 5109
1 Port Modbus RTU/ASCII/TCP to DNP3 Serial/TCP/UDP Gateway
£534.00
MGate MB3280
7 in stock
Moxa MGate MB3280
2 Port RS-232/422/485 Ethernet Modbus Gateway
£399.00
MGate 5103
2 in stock
Moxa MGate 5103
1 Port Modbus RTU/ASCII/TCP/EtherNet/IP to Profinet Gateway
£528.50
MGate MB3660
2 in stock
Moxa MGate MB3660
8 Port RS-232/422/485 Redundant Ethernet Modbus Gateway
£1,303.00
MGate MB3170
4 in stock
Moxa MGate MB3170
1 Port RS-232/422/485 Ethernet Modbus Gateway – Wide Temperature Operation
£299.00
MGate MB3180
11 in stock
Moxa MGate MB3180
1 Port RS-232/422/485 Ethernet Modbus Gateway – Power Adapter
£223.50
MGate MB3270
33 in stock
Moxa MGate MB3270
2 Port Advanced RS-232/422/485 Ethernet Modbus Gateway – Wide Temperature Operation
£549.00
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.