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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Showing 60 of 73 Serial Remote I/O Modules items

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Advantech ADAM-4017

RS-485 to 8 Channel Analog Input Module

Sealevel 462M-OEM

RS-485 Modbus RTU to 96 Channel TTL DB78F Digital I/O OEM Board

Moxa ioLogik R1212

RS-485 to 8 Digital Input / 8 Digital I/O Module – Modbus RTU – Wide Temperature Operation

£186.00

Moxa ioLogik R1214

RS-485 to 6 Digital Input / 6 Relay Output Module – Modbus RTU – Wide Temperature Operation

£191.50

Moxa ioLogik R1240

RS-485 to 8 Analog Input Module – Modbus RTU – Wide Temperature Operation

£255.00

Sealevel 430M-OEM

RS-232 Modbus RTU to 32 Isolated Digital Input OEM Board

Advantech ADAM-4019+

RS-485 to 8 Channel Universal Analog Input Module – Modbus

£313.00

Advantech ADAM-4080

RS-485 to 2 Channel Counter/Frequency Module

£146.00

Advantech ADAM-4018+

RS-485 to 8 Channel Thermocouple Input Module – Modbus

£253.00

Advantech ADAM-4024

RS-485 to 4 Channel Analog Output Module – Modbus

£212.00

Advantech ADAM-4051

RS-485 to 16 Channel Isolated Digital Input Module – Modbus

£108.00

Advantech ADAM-4118

RS-485 to 8-Channelannel Thermocouple Input Module – Modbus

£231.00

Advantech ADAM-4055

RS-485 to 16 Channel Isolated Digital I/O Module – Modbus

£113.00

Advantech ADAM-4021

RS-485 to 1 Channel Analog Output Module

£146.00

Advantech ADAM-4115

Robust RS-485 to 6 Channel RTD Input Module

£292.50

Sealevel 462M

RS-485 Modbus RTU to 96 Channel TTL DB78F Digital I/O Adapter

£324.00

Sealevel 462S

RS-232 Modbus RTU to 96 Channel TTL DB78F Digital I/O Adapter

£368.00

Sealevel 530M-OEM

RS-485 Modbus RTU to 16 Isolated Digital Input/16 Open-Collector Output OEM Board

£415.00

Sealevel 440M-OEM

RS-485 Modbus RTU to 32 Reed Relay Output OEM Board

£291.00

Sealevel 530S-OEM

RS-232 Modbus RTU to 16 Isolated Digital Input/16 Open-Collector Output OEM Board

£415.00

Moxa ioLogik R1210

RS-485 to 16 Digital Input Module – Modbus RTU – Wide Temperature Operation

£162.00

Moxa ioLogik R1241

RS-485 to 4 Analog Output Module – Modbus RTU – Wide Temperature Operation

£327.50

Sealevel 540M

RS-485 Modbus RTU to 32 Open-Collector Output Adapter

£378.00

Sealevel 440S-OEM

RS-232 Modbus RTU to 32 Reed Relay Output OEM Board

£291.00

Sealevel 540S

RS-232 Modbus RTU to 32 Open-Collector Output Adapter

£378.00

Sealevel 520M-OEM

RS-485 Modbus RTU to 8 Isolated Digital Input/8 High Current Form C Relay Output OEM Board

£266.50

Sealevel 463S-OEM

RS-232 Modbus RTU to 96 Channel TTL Digital I/O OEM Board

£257.50

Sealevel 520S-OEM

RS-232 Modbus RTU to 8 Isolated Digital Input/8 High Current Form C Relay Output OEM Board

£266.50

Sealevel 570M

RS-485 Modbus RTU to 8 Analog Input – 8 Isolated Digital Input/8 Form C Relay Output Adapter

£403.00

Sealevel 410S-OEM

RS-232 Modbus RTU to 16 Isolated Digital Input/16 Reed Relay Output OEM Board

£242.00

Sealevel 420M

RS-485 Modbus RTU to 16 Isolated Digital Input/8 Form C Relay Output Adapter

£266.50

Sealevel 430M

RS-232 Modbus RTU to 32 Isolated Digital Input Adapter

£230.00

Sealevel 420S-OEM

RS-232 Modbus RTU to 16 Isolated Digital Input/8 Form C Relay Output OEM Board

£254.50

Sealevel 420S

RS-232 Modbus RTU to 16 Isolated Digital Input/8 Form C Relay Output Adapter

£266.50

Sealevel 470M-OEM

RS-485 Modbus RTU to 16 Analog Input/2 Analog Output – 8 Isolated Digital Input/8 Digital Output OEM Board

£452.00

Sealevel 450M

RS-485 Modbus RTU to 16 Form C Relay Output Adapter

£280.00

Sealevel 450S-OEM

RS-232 Modbus RTU to 16 Form C Relay Output OEM Board

£266.50

Sealevel 450M-OEM

RS-485 Modbus RTU to 16 Form C Relay Output OEM Board

£266.50

Sealevel 470M

RS-485 Modbus RTU to 16 Analog Input/2 Analog Output – 8 Isolated Digital Input/8 Digital Output Adapter

£465.50

Sealevel 450S

RS-232 Modbus RTU to 16 Form C Relay Output Adapter

£280.00

Sealevel 440M

RS-485 Modbus RTU to 32 Reed Relay Output Adapter

£304.50

Sealevel 463M-OEM

RS-485 Modbus RTU to 96 Channel TTL Digital I/O OEM Board

£239.00

Sealevel 470S

RS-232 Modbus RTU to 16 Analog Input/2 Analog Output – 8 Isolated Digital Input/8 Digital Output Adapter

£465.50

Sealevel 463M

RS-485 Modbus RTU to 96 Channel TTL Digital I/O Adapter

£264.50

Sealevel 462S-OEM

RS-232 Modbus RTU to 96 Channel TTL DB78F Digital I/O OEM Board

£340.50

Sealevel 470S-OEM

RS-232 Modbus RTU to 16 Analog Input/2 Analog Output – 8 Isolated Digital Input/8 Digital Output OEM Board

£452.00

Sealevel 530M

RS-485 Modbus RTU to 16 Isolated Digital Input/16 Open-Collector Output Adapter

£428.50

Sealevel 463S

RS-232 Modbus RTU to 96 Channel TTL Digital I/O Adapter

£283.00

Sealevel 520S

RS-232 Modbus RTU to 8 Isolated Digital Input/8 High Current Form C Relay Output Adapter

£280.00

Sealevel 520M

RS-485 Modbus RTU to 8 Isolated Digital Input/8 High Current Form C Relay Output Adapter

£280.00

Sealevel 530S

RS-232 Modbus RTU to 16 Isolated Digital Input/16 Open-Collector Output Adapter

£428.50

Sealevel 540M-OEM

RS-485 Modbus RTU to 32 Open-Collector Output OEM Board

£366.00

Sealevel 570S

RS-232 Modbus RTU to 8 x 16-bit Analog Input – 8 Isolated Digital Input/8 Form C Relay Output Adapter

£403.00

Sealevel 540S-OEM

RS-232 Modbus RTU to 32 Open-Collector Output OEM Board

£366.00

Advantech ADAM-4017+

RS-485 to 8 Channel Analog Input Module

£156.50

Advantech ADAM-4056SO

RS-485 to 12 Channel Isolated Sourcing Digital Output Module – Modbus

£119.50

Advantech ADAM-4069

RS-485 to 8 Channel Power Relay Output Module – Modbus

£163.00

Advantech ADAM-4015

RS-485 to 6 Channel RTD Input Module – Modbus

£273.50

Advantech ADAM-4053

RS-485 to 16 Channel Digital Input Module

£100.50

Advantech ADAM-4060

RS-485 to 4 Channel Relay Output Module

£109.50

Showing 60 of 73

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

Future-proof, long lifetime panel PCs designed to run legacy software installed in ROV control room