Serial Remote I/O Modules for RS-232, RS-422, and RS-485 Networks

Serial Remote I/O modules provide reliable signal acquisition and control via RS-232, RS-422, or RS-485 interfaces. These modules offer dependable connectivity for legacy and modern industrial systems alike, especially useful if you're handling sensor inputs, relay outputs, voltage readings or TTL signals.

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Serial Remote I/O Modules

Showing 73 of 73 Serial Remote I/O Modules items

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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)