Remote I/O Modules for Industrial Control and Monitoring

Explore our extensive range of industrial Remote I/O modules designed to bring reliable acquisition and control of digital, analog, and relay signals to your networked control systems. With support for Ethernet, serial, USB, wireless and fieldbus communication, our I/O solutions are trusted in manufacturing, energy, and automation environments worldwide.

Get in touch with our expert team today to discuss your I/O requirements and find the right solution for your application.

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Remote I/O Modules

Showing 200 of 200 Remote I/O items

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530S-OEM
1 option available
Sealevel 530S-OEM Series
RS-232 Modbus RTU to 16 Isolated Digital Input/16 Open-Collector Output OEM Board
From £415.00 (exc. VAT)
530M-OEM
1 option available
Sealevel 530M-OEM Series
RS-485 Modbus RTU to 16 Isolated Digital Input/16 Open-Collector Output OEM Board
From £415.00 (exc. VAT)
520S-OEM
1 option available
Sealevel 520S-OEM Series
RS-232 Modbus RTU to 8 Isolated Digital Input/8 High Current Form C Relay Output OEM Board
From £266.50 (exc. VAT)
520M-OEM
1 option available
Sealevel 520M-OEM Series
RS-485 Modbus RTU to 8 Isolated Digital Input/8 High Current Form C Relay Output OEM Board
From £266.50 (exc. VAT)
463S-OEM
1 option available
Sealevel 463S-OEM Series
RS-232 Modbus RTU to 96 Channel TTL Digital I/O OEM Board
From £257.50 (exc. VAT)
463M-OEM
1 option available
Sealevel 463M-OEM Series
RS-485 Modbus RTU to 96 Channel TTL Digital I/O OEM Board
From £239.00 (exc. VAT)
462S-OEM
1 option available
Sealevel 462S-OEM Series
RS-232 Modbus RTU to 96 Channel TTL DB78F Digital I/O OEM Board
From £340.50 (exc. VAT)
462M-OEM
1 option available
Sealevel 462M-OEM Series
RS-485 Modbus RTU to 96 Channel TTL DB78F Digital I/O OEM Board
450S-OEM
1 option available
Sealevel 450S-OEM Series
RS-232 Modbus RTU to 16 Form C Relay Output OEM Board
From £266.50 (exc. VAT)
420S-OEM
1 option available
Sealevel 420S-OEM Series
RS-232 Modbus RTU to 16 Isolated Digital Input/8 Form C Relay Output OEM Board
From £254.50 (exc. VAT)
420M-OEM
1 option available
Sealevel 420M-OEM Series
RS-485 Modbus RTU to 16 Isolated Digital Input/8 Form C Relay Output OEM Board
From £254.50 (exc. VAT)
450M-OEM
1 option available
Sealevel 450M-OEM Series
RS-485 Modbus RTU to 16 Form C Relay Output OEM Board
From £266.50 (exc. VAT)
410S-OEM
1 option available
Sealevel 410S-OEM Series
RS-232 Modbus RTU to 16 Isolated Digital Input/16 Reed Relay Output OEM Board
From £242.00 (exc. VAT)
410M-OEM
1 option available
Sealevel 410M-OEM Series
RS-485 Modbus RTU to 16 Isolated Digital Input/16 Reed Relay Output OEM Board
From £242.00 (exc. VAT)
440S-OEM
1 option available
Sealevel 440S-OEM Series
RS-232 Modbus RTU to 32 Reed Relay Output OEM Board
From £291.00 (exc. VAT)
440M-OEM
1 option available
Sealevel 440M-OEM Series
RS-485 Modbus RTU to 32 Reed Relay Output OEM Board
From £291.00 (exc. VAT)
430S-OEM
1 option available
Sealevel 430S-OEM Series
RS-232 Modbus RTU to 32 Isolated Digital Input OEM Board
From £217.50 (exc. VAT)
430M-OEM
1 option available
Sealevel 430M-OEM Series
RS-232 Modbus RTU to 32 Isolated Digital Input OEM Board
470M-OEM
1 option available
Sealevel 470M-OEM Series
RS-485 Modbus RTU to 16 Analog Input/2 Analog Output – 8 Isolated Digital Input/8 Digital Output OEM Board
From £452.00 (exc. VAT)
470S-OEM
1 option available
Sealevel 470S-OEM Series
RS-232 Modbus RTU to 16 Analog Input/2 Analog Output – 8 Isolated Digital Input/8 Digital Output OEM Board
From £452.00 (exc. VAT)

How Do Remote I/O Modules Improve System Design?
They let signals from sensors and actuators be collected close to the source and transmitted digitally over standard networks. This reduces long analogue cable runs, cutting installation costs and minimising noise interference.

What Factors Affect Performance?
Response time, update rate and supported protocols all play a role. Some modules buffer data to cope with network congestion, while others provide time synchronisation to keep multi-point systems aligned.

Why Choose an Industrial Supplier in the UK?
We provide a full portfolio of Remote I/O types with lifecycle support. UK-based technical help ensures engineers can specify the right models for integration, reducing delays during commissioning.