462S-OEM - RS-232 Modbus RTU to 96 Channel TTL (DB78F) Digital I/O OEM Board (SeaI/O-462S-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.

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

Request a quote for this product

Enquiry information  
Your name  
Company name  
Email address  

Add to quote list

Add the 462S-OEM to your quote list to send to our sales team for a quote on all your chosen products

RS-232 Modbus RTU to 96 Channel TTL (DB78F) Digital I/O OEM Board (SeaI/O-462S-OEM)


SeaI/O 100-240V AC to 24V DC @ 1A, International Wall Mount Power Supply


DB78 Male to (2) IDC 50-Pin Ribbon Connectors - SeaI/O 462 Modules


RS-485 Interconnect Cable, 5" in Length - for SeaI/O, Relio R1100 Systems


DB9 Female to RJ45 Modular Adapter (RS-232 Pinout) for SeaI/O Modules


Terminal Block Kit - 50 Pin Header (IDC Ribbon Cable) to Screw Terminals for Industry Standard TTL Solid State Relay Rack Cables


The Digital I/O Handbook - A Practical Guide to Industrial Input and Output Applications


Discrete 16-Position Relay Rack


Discrete 24-Position Relay Rack


Quad 6-Position 24-Channel Relay Rack

* 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)
Industry insight.
Network know-how.
Impulse engineers and specialists have the industry insight and network know-how to design forward looking solutions for wide-ranging environments.
Discover our Industrial IoT capabilities

462S-OEM overview

The Sealevel 462S-OEM is a reliable RS-232 Modbus RTU to 96 Channel TTL (DB78F) Digital I/O OEM Board designed for seamless integration into diverse industrial setups.

Designed with a sturdy RS-232 interface, this OEM board ensures consistent communication using the Modbus RTU protocol. The 96-channel TTL (DB78F) Digital I/O setup offers a versatile range of options for handling digital signals, making it a practical choice for control applications. The Sealevel 462S-OEM is built to deliver reliability in various industrial environments, making it a solid pick for automation, process control, and monitoring systems. It seamlessly integrates into your projects, providing the flexibility and precision needed for digital I/O tasks.

Whether you're a system integrator or an OEM, the 462S-OEM is a dependable platform for your digital I/O needs.

  • Host Interface : 1 x RS-232 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-232 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
Enquire about the 462S-OEM
Need more info or project pricing for the 462S-OEM?
T: +44 (0)1782 337 800 • E: sales@impulse-embedded.co.uk

Similar products to the 462S-OEM

+44(0)1782 337 800
+44(0)1782 337 800