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 60 of 73 Serial Remote I/O Modules items

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Advantech ADAM-4168
RS-485 to 8 Channel Reed Relay Output Module: Modbus
Advantech ADAM-4150
RS-485 to 15 Channel Digital I/O Module: Modbus
Advantech ADAM-4118
RS-485 to 8-Channelannel Thermocouple Input Module: Modbus
Advantech ADAM-4117
RS-485 to 8 Channel Analog Input Module: Modbus, -40°C to +85°C
Advantech ADAM-4115
Robust RS-485 to 6 Channel RTD Input Module
Advantech ADAM-4080
RS-485 to 2 Channel Counter/Frequency Module
Advantech ADAM-4069
RS-485 to 8 Channel Power Relay Output Module: Modbus
Advantech ADAM-4068
RS-485 to 8 Channel Relay Output Module: Modbus
Advantech ADAM-4060
RS-485 to 4 Channel Relay Output Module
Advantech ADAM-4056SO
RS-485 to 12 Channel Isolated Sourcing Digital Output Module: Modbus
Advantech ADAM-4055
RS-485 to 16 Channel Isolated Digital I/O Module: Modbus
Advantech ADAM-4053
RS-485 to 16 Channel Digital Input Module
Advantech ADAM-4052
RS-485 to 8 Channel Isolated Digital Input Module
Advantech ADAM-4051
RS-485 to 16 Channel Isolated Digital Input Module: Modbus
Advantech ADAM-4050
RS-485 to 16 Channel Digital I/O Module
Advantech ADAM-4024
RS-485 to 4 Channel Analog Output Module: Modbus
Advantech ADAM-4021
RS-485 to 1 Channel Analog Output Module
Advantech ADAM-4019+
RS-485 to 8 Channel Universal Analog Input Module: Modbus
Advantech ADAM-4018+
RS-485 to 8 Channel Thermocouple Input Module: Modbus
Advantech ADAM-4017
RS-485 to 8 Channel Analog Input Module
Advantech ADAM-4017+
RS-485 to 8 Channel Analog Input Module: Modbus
Advantech ADAM-4015
RS-485 to 6 Channel RTD Input Module: Modbus
Moxa ioLogik R1241
RS-485 to 4 Analog Output Module: Modbus Rtu, -10°C to +75°C
Moxa ioLogik R1212
RS-485 to 8 Digital Input / 8 Digital I/O Module: Modbus Rtu, -10°C to +75°C
Moxa ioLogik R1210
RS-485 to 16 Digital Input Module: Modbus Rtu, -10°C to +75°C
Moxa ioLogik R1240
RS-485 to 8 Analog Input Module: Modbus Rtu, -10°C to +75°C
Moxa ioLogik R1214
RS-485 to 6 Digital Input / 6 Relay Output Module: Modbus Rtu, -10°C to +75°C
Sealevel 540S-OEM
RS-232 Modbus RTU to 32 Open-Collector Output OEM Board (SeaI/O-540S-OEM)
Sealevel 540M
RS-485 Modbus RTU to 32 Open-Collector Output Adapter (SeaI/O-540M)
Sealevel 540M-OEM
RS-485 Modbus RTU to 32 Open-Collector Output OEM Board (SeaI/O-540M-OEM)
Sealevel 530S
RS-232 Modbus RTU to 16 Isolated Digital Input/16 Open-Collector Output Adapter (SeaI/O-530S)
Sealevel 530S-OEM
RS-232 Modbus RTU to 16 Isolated Digital Input/16 Open-Collector Output OEM Board (SeaI/O-530S-OEM)
Sealevel 530M
RS-485 Modbus RTU to 16 Isolated Digital Input/16 Open-Collector Output Adapter (SeaI/O-530M)
Sealevel 530M-OEM
RS-485 Modbus RTU to 16 Isolated Digital Input/16 Open-Collector Output OEM Board (SeaI/O-530M-OEM)
Sealevel 520S
RS-232 Modbus RTU to 8 Isolated Digital Input/8 High Current Form C Relay Output Adapter (SeaI/O-520S)
Sealevel 520S-OEM
RS-232 Modbus RTU to 8 Isolated Digital Input/8 High Current Form C Relay Output OEM Board (SeaI/O-520S-OEM)
Sealevel 520M
RS-485 Modbus RTU to 8 Isolated Digital Input/8 High Current Form C Relay Output Adapter (SeaI/O-520M)
Sealevel 520M-OEM
RS-485 Modbus RTU to 8 Isolated Digital Input/8 High Current Form C Relay Output OEM Board (SeaI/O-520M-OEM)
Sealevel 470S
RS-232 Modbus RTU to 16 Analog Input/2 Analog Output, 8 Isolated Digital Input/8 Digital Output Adapter (SeaI/O-470S)
Sealevel 470S-OEM
RS-232 Modbus RTU to 16 Analog Input/2 Analog Output, 8 Isolated Digital Input/8 Digital Output OEM Board (SeaI/O-470S-OEM)
Sealevel 470M
RS-485 Modbus RTU to 16 Analog Input/2 Analog Output, 8 Isolated Digital Input/8 Digital Output Adapter (SeaI/O-470M)
Sealevel 470M-OEM
RS-485 Modbus RTU to 16 Analog Input/2 Analog Output, 8 Isolated Digital Input/8 Digital Output OEM Board (SeaI/O-470M-OEM)
Sealevel 570S
RS-232 Modbus RTU to 8 x 16-bit Analog Input, 8 Isolated Digital Input/8 Form C Relay Output Adapter (SeaI/O-570S)
Sealevel 570M
RS-485 Modbus RTU to 8 Analog Input, 8 Isolated Digital Input/8 Form C Relay Output Adapter (SeaI/O-570M)
Sealevel 540S
RS-232 Modbus RTU to 32 Open-Collector Output Adapter (SeaI/O-540S)
Sealevel 430S
RS-232 Modbus RTU to 32 Isolated Digital Input Adapter (SeaI/O-430S)
Sealevel 430S-OEM
RS-232 Modbus RTU to 32 Isolated Digital Input OEM Board (SeaI/O-430S-OEM)
Sealevel 430M
RS-232 Modbus RTU to 32 Isolated Digital Input Adapter (SeaI/O-430M)
Sealevel 430M-OEM
RS-232 Modbus RTU to 32 Isolated Digital Input OEM Board (SeaI/O-430M-OEM)
Sealevel 420S
RS-232 Modbus RTU to 16 Isolated Digital Input/8 Form C Relay Output Adapter (SeaI/O-420S)
Sealevel 420S-OEM
RS-232 Modbus RTU to 16 Isolated Digital Input/8 Form C Relay Output OEM Board (SeaI/O-420S-OEM)
Sealevel 420M
RS-485 Modbus RTU to 16 Isolated Digital Input/8 Form C Relay Output Adapter (SeaI/O-420M)
Sealevel 420M-OEM
RS-485 Modbus RTU to 16 Isolated Digital Input/8 Form C Relay Output OEM Board (SeaI/O-420M-OEM)
Sealevel 410S
RS-232 Modbus RTU to 16 Isolated Digital Input/16 Reed Relay Output Adapter (SeaI/O-410S)
Sealevel 410S-OEM
RS-232 Modbus RTU to 16 Isolated Digital Input/16 Reed Relay Output OEM Board (SeaI/O-410S-OEM)
Sealevel 410M
RS-485 Modbus RTU to 16 Isolated Digital Input/16 Reed Relay Output Adapter (SeaI/O-410M)
Sealevel 410M-OEM
RS-485 Modbus RTU to 16 Isolated Digital Input/16 Reed Relay Output OEM Board (SeaI/O-410M-OEM)
Sealevel 463S
RS-232 Modbus RTU to 96 Channel TTL (50-Pin) Digital I/O Adapter (SeaI/O-463S)
Sealevel 463S-OEM
RS-232 Modbus RTU to 96 Channel TTL (50-Pin) Digital I/O OEM Board (SeaI/O-463S-OEM)
Sealevel 463M
RS-485 Modbus RTU to 96 Channel TTL (50-Pin) Digital I/O Adapter (SeaI/O-463M)
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Showing 60 of 73