Home Cleverscope | Oscilloscopes SeaI/O-470U-OEM – USB Modbus RTU with A/D, D/A, DIO Multifunction
SeaI/O-470U-OEM – USB Modbus RTU with A/D, D/A, DIO Multifunction - Image 1
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SeaI/O-470U-OEM – USB Modbus RTU with A/D, D/A, DIO Multifunction

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SeaI/O-470U-OEM is a multifunction I/O module that allows users to monitor and control analog and digital signals over USB using the Modbus RTU protocol. It includes a mix of analog input, analog output, digital input, and digital output channels, offering a compact and flexible solution for data acquisition and control applications..

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  • Specification

The SeaI/O-470U-OEM provides flexible I/O capabilities in an embedded-friendly format. It uses the Maxim MAX197 A/D converter to support 12-bit analog input with selectable voltage ranges: 0–5V, 0–10V, ±5V, and ±10V. Each digital input is optically isolated, enhancing noise immunity and protection. The digital outputs are open-collector type, suitable for switching relays or driving indicators.

The unit communicates via a USB interface and appears as a Modbus RTU slave device, making integration into automation systems straightforward. Configuration and communication are managed via SeaMAX software, which supports popular operating systems like Windows and Linux. The OEM version is ideal for system integrators looking to embed multifunction I/O into their custom enclosures.

  • USB to Modbus RTU communication

  • 8 optically isolated digital inputs

  • 8 open-collector digital outputs

  • 8 differential or 16 single-ended 12-bit analog inputs

  • 2 channels of 12-bit analog output (D/A)

  • Software-configurable input voltage ranges

  • Wide input power range (9–30VDC)

  • Includes status LEDs for I/O activity

  • Compatible with SeaMAX software (Windows/Linux)

  • OEM version – board-level design for embedded use

Parameter Specification
Communication Interface USB 1.1/2.0 compatible
Protocol Modbus RTU slave
Analog Inputs 8 differential or 16 single-ended (12-bit)
Analog Input Voltage Ranges 0–5V, 0–10V, ±5V, ±10V (software-selectable)
Analog Outputs 2 channels, 12-bit resolution
Digital Inputs 8 optically isolated (0–30VDC input)
Digital Outputs 8 open-collector (max 30VDC, 580mA sink)
Power Requirement 9–30VDC
Operating Temperature 0°C to 70°C
Status Indicators Power, Communication, I/O activity LEDs
Software Compatibility SeaMAX for Windows and Linux
Mounting OEM board-level mounting (no enclosure)