• Select your search:
  • Site
  • Products
CLEAR
CLEAR
Skip to navigation Skip to content
Have a question? Call us 864.843.4343
  • Software Driver Search
  • Newsletter Subscription
  • Request a Custom Quote
  • My account
  • My cart
Sealevel
  • Company

      Company

      Sealevel Systems, Inc. was founded in 1986. The same innovation and responsive thinking that gave us our start drives us still today.

    • Company
    • Press Releases
    • Management Team
    • Manufacturing
    • Careers
    • Our Story
  • Products

      Products

      Innovative, reliable hardware and software products to enable computer connectivity and control. You'll find standard products that are anything but.

    • Embedded Computing
    • Serial I/O
    • Digital & Analog I/O
    • USB Hubs & Isolators
    • ACC-188
    • Industrial IoT
    • MIL-STD 1553
    • Accessories
    • Legacy
  • Solutions

      Solutions

      Sealevel’s team has robust hardware and software engineering capabilities as well as a full line-up of services for custom projects to support industry leaders around the world.

    • Solutions Overview
    • Engineering Solutions
    • Industry Solutions
    • Application Solutions
    • Custom Solutions
  • Resources

      Resources

      Explore our latest articles, customer stories, videos and more. Find quick access to product information including datasheets and manuals here, too.

    • Articles
    • Brochures
    • Case Studies
    • Datasheets
    • QuickStart Guides
    • Manuals
    • Press Releases
    • Videos
    • White Papers
    • Library
  • Support

      Support

      Access product literature and read our latest FAQ responses and support articles. For live support call 864.843.4343 or email support@sealevel.com.

    • Product Manuals
    • Software Drivers
    • FAQs
    • Learning Center
    • Software Driver Search
  • Contact

      Contact

      We'd love to talk to you. Contact us for product information, support or to talk about how we can help you go further.

    • 864.843.4343 Phone
    • support@sealevel.com
    • 864.843.3067 Fax
    • sales@sealevel.com
  • Company
    • Company
    • Press Releases
    • Management Team
    • Manufacturing
    • Careers
    • Our Story
  • Products
    • Embedded Computing
    • Serial I/O
    • Digital & Analog I/O
    • USB Hubs & Isolators
    • ACC-188
    • Industrial IoT
    • MIL-STD 1553
    • Accessories
    • Legacy
  • Solutions
    • Solutions Overview
    • Engineering Solutions
    • Industry Solutions
    • Application Solutions
    • Custom Solutions
  • Resources
    • Articles
    • Brochures
    • Case Studies
    • Datasheets
    • QuickStart Guides
    • Manuals
    • Press Releases
    • Videos
    • White Papers
    • Library
  • Support
    • Product Manuals
    • Software Drivers
    • FAQs
    • Learning Center
    • Software Driver Search
  • Contact
    • 864.843.4343 Phone
    • support@sealevel.com
    • 864.843.3067 Fax
    • sales@sealevel.com
  • Site Search
    • Search Site
    • Search Products

Digital & Analog I/O

Monitor and control real-world signals with any computer using Sealevel digital and analog I/O products. Select from field-proven optically isolated in puts, Reed and Form C relay outputs, TTL interfaces to solid-state relays, A/D and D/A functionality. Whether you need to monitor just a few inputs or need to create a distributed control network, we’ll help you configure a solution that is perfect for your application.

Home / Products / Digital & Analog I/O

USB Digital I/O

USB digital I/O modules connect to any computer's USB port and offer choices including optically isolated inputs, Reed and Form C relays and TTL interfaces to industry-standard solid-state relay racks. SeaI/O wireless Ethernet modules provide easy installation, and remote control, for reliable communication.

SeaDACSeaDAC LiteSeaLINKSeaI/O-USeaI/O-WView All USB Digital I/O

Ethernet

Sealevel's eI/O Ethernet and PoE I/O adapters are cost-effective and allow remote monitoring of analog and digital I/O from anywhere on your Ethernet network. I/O options include optically isolated inputs, Reed, Form C and solid-state relay outputs, and analog to digital inputs. Sealevel's SeaI/O Ethernet modules are also compatible with 10/100Base T Ethernet to enable I/O control from anywhere on your industrial Ethernet network.

eI/OSeaI/O-ESeaI/O-WView All Ethernet

SeaI/O

Sealevel's SeaI/O data acquisition devices provide powerful digital, analog, and serial expansion to any computer. Connect to the host via wireless, Ethernet, USB, RS-485 or RS-232 to add the functionality required for your particular DAQ application. Multiple units can be daisy-chained using convenient pass-through connectors to create a versatile remote control and monitoring network. Perfect for a variety of applications including process control, broadcast automation, security and facility management.

USBEthernetRS-232RS-485Wi-FiExpansionView All SeaI/O

PCIe

Sealevel PCI Express digital I/O cards are designed for computers with X1 PC Express slots and are compatible with any PCI Express slot. Digital I/O cards are currently available with optically isolated inputs and Reed relay outputs. Optically isolated inputs protect the PC from voltage spikes common to industrial environments while Reed relay outputs provide reliable, long-life switch closures suitable for low current applications.

View All PCIe

PCI

Sealevel PCI digital I/O cards are available with optically isolated inputs and Reed relay outputs. For high-voltage requirements, TTL versions provide convenient connections to industry-standard solid-state relay racks. Sealevel low profile PCI digital I/O boards meet the requirement for the MD1 low profile specification and feature Universal Bus (3.3V and 5V) for compatibility with both new and legacy computer systems.

View All PCI

Subscribe to our e-Newsletter

Subscribe

Sealevel
Connect with us
  • Company
    • Company
    • Press Releases
    • Management Team
    • Manufacturing
    • Careers
    • Our Story
  • Products
    • Embedded Computing
    • Serial I/O
    • Digital & Analog I/O
    • USB Hubs & Isolators
    • ACC-188
    • Industrial IoT
    • MIL-STD 1553
    • Accessories
    • Legacy
  • Solutions
    • Solutions Overview
    • Engineering Solutions
    • Industry Solutions
    • Application Solutions
    • Custom Solutions
  • Resources
    • Articles
    • Brochures
    • Case Studies
    • Datasheets
    • QuickStart Guides
    • Manuals
    • Press Releases
    • Videos
    • White Papers
    • Library
  • Support
    • Product Manuals
    • Software Drivers
    • FAQs
    • Learning Center
    • Software Driver Search
  • Contact
    • 864.843.4343 Phone
    • support@sealevel.com
    • 864.843.3067 Fax
    • sales@sealevel.com
  • My Account
  • Search
  • 0
Proudly made in the USA Copyright 1996 - 2023 - Sealevel Systems, Inc. All rights reserved.
  • Privacy Policy
  • Shipping Policy
  • Lifetime Warranty, Return & Repair Policy
  • ISO 9001:2015 Registration
  • Terms & Conditions

By continuing on this site, you agree to Sealevel’s Terms & Conditions and Privacy Policy Dismiss

Welcome to Sealevel!

We're glad you're here.

We would like to introduce you to the best international partner for all of your Sealevel needs.

FIND YOUR CONTACT