462M-OEM - RS-485 Modbus RTU to 96 Channel TTL (DB78F) Digital I/O OEM Board (SeaI/O-462M-OEM)


CE is a mandatory standard for products on the market in the European Economic Area. By CE marking a product, the manufacturer ensures that the item meets the essential safety requirements set out in the applicable CE directive.


This product fully adheres to the Restriction of Hazardous Substances Directive 2002/95/EC, RoHS for short.  The directive covers the restriction of use of certain hazardous substances in electrical and electronic equipment and was adopted in February 2003 by the European Union.

Lifetime Warranty

This product has a lifetime warranty against product failure (excludes user or enviromental damage).

FCC Approved

The Federal Communications Commission (FCC) is an independent agency of the United States government that sets standards and governs the testing of conducted and radiated emissions such as EMI.

462M-OEM Digital IO OEM Board
Featured in:SeaI/O RS-485 AdaptersSealevel Serial I/O Adapters

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RS-485 Modbus RTU to 96 Channel TTL (DB78F) Digital I/O OEM Board (SeaI/O-462M-OEM)


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* Lead time is indicative and is subject to change at time of ordering. Next business day delivery on in-stock products only (when ordered before 3pm).
** Contact us for quantity or project pricing.
† Additional delivery charge may be incurred for certain postcodes (calculated at checkout)
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462M-OEM overview

The 462M-OEM is Sealevel's RS-485 Modbus RTU to 96 Channel TTL (DB78F) Digital I/O OEM Board. This SeaI/O-462M-OEM device combines precision and versatility, making it an ideal solution for diverse industrial applications.

The 462M-OEM operates on the RS-485 Modbus RTU protocol, ensuring reliable and efficient communication in industrial settings. The integration of 96 Channel TTL (DB78F) Digital I/O provides a robust platform for digital signal processing, allowing users to manage inputs and outputs with remarkable accuracy. The OEM board's seamless connectivity and compatibility make it indispensable for automation, control, and monitoring systems.

Whether you seek to enhance process control or streamline data acquisition, the 462M-OEM offers a seamless solution. Its user-friendly design simplifies integration into existing systems, allowing for a hassle-free implementation of advanced digital I/O capabilities.

  • Host Interface : 1 x RS-485 Port
  • Digital I/O : 96 x TTL
  • Output Specification : Sink up to 64mA, Source up to 32mA
  • Output Power : +5V @ 1A (5W) Max
  • Power Requirement : 9V to 30V DC @ 2.0W
  • Operating Temperature : 0°C to +70°C
  • Extended Temperature : Call for Options
  • Storage Temperature : -50°C to +105°C
  • Humidity Range : 10 to 90% Relative Humidity, Non-condensing
  • "Dimensions : L7.5"" x W5.0"" x H0.8"""
  • RS-485 Modbus RTU interface
  • 96 channels of buffered TTL I/O via two DB-78 female connectors
  • Each 8-bit port individually configurable as input or output
  • Easily connects to industry standard solid-state relay racks with 50-pin connectors, using optional CA237 cables
  • Status indicator LEDs for Communication, Fault, and Power
  • Input power via terminal block or modular connector
  • Includes four 3/4 metal standoffs with nuts
  • Sealevel software supports Windows 2000/XP/Vista operating systems
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T: +44 (0)1782 337 800 • E: sales@impulse-embedded.co.uk

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