462W - Wireless 802.11b/g Modbus TCP to 96 Channel TTL (DB78F) Digital I/O Adapter (SeaI/O-462W)


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).

Wireless Connectivity

These devices have built in wireless interface controllers enabling them to connect to a wireless network.

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.

462W Digital IO Adapter

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462W with standard specification


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


Expansion and Strap Kit - for SeaI/O, Relio R1100 Systems


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


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)
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462W overview


The Sealevel 462W is a Wireless 802.11b/g Modbus TCP to 96 Channel TTL (DB78F) Digital I/O Adapter that combines wireless connectivity with digital input and output capabilities, offering a robust solution for industrial applications.

The 462W provides reliable and efficient communication through its Wireless 802.11b/g interface. This enables users to easily connect and control the device, ensuring flexibility and convenience in diverse operational settings. Designed for optimal performance, the Digital I/O Adapter has 96 channels of TTL (DB78F) digital input and output, empowering users with a comprehensive range of data acquisition and control options.

The Modbus TCP protocol enhances the device's interoperability, facilitating seamless integration into existing systems. Whether used in manufacturing, automation, or process control, the 462W's wireless capabilities eliminate the constraints of physical connectivity, providing a scalable solution that adapts to the evolving needs of any industrial environment.

  • Manufacturer : Sealevel Systems
  • Interface : Wireless 802.11b/g Modbus TCP
  • Total Channels : 96 x (buffered TTL I/O)
  • Output Power : +5V @ 1A (5W) max
  • Enclosure : Housed in rugged, attractive steel enclosure
  • I/O Connector : 2 x DB78 female connectors
  • Accessories : Item# 930-033-R – Wireless Antenna
  • Other Features : Complies with 802.11g and 802.11b (2.4GHz) networking standards
  • Wireless security supports WEP, WPA-TKIP, and WPA2-AES encryption standards
  • Input power via terminal block or modular connector
  • DIN rail or table mount
  • Dimensions : W7.5" x H1.3" x D5.1"
  • Standards : 802.11b, 802.11g, 802.11i
  • Frequency Range : 2.412 - 2.484GHz
  • Output Power : 14dBm +1.5/-1.0 dBm
  • Data Rates : 54Mbps Max., 1Mbps Min
  • Range : 328' (Indoors)
  • Power Requirement : 9V to 30V DC @ 2.0W (TR108 24V DC PSU available)
  • Operating Temperature : 0°C to +70°C (extended temperature options available)
  • Software Support : SeaMAX supports Linux, Windows 2000, XP, Vista and Windows 7
  • Warranty : Lifetime Warranty
Enquire about the 462W
Need more info or project pricing for the 462W?
T: +44 (0)1782 337 800 • E: sales@impulse-embedded.co.uk

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