New on the App Store: Monitor, Test and Troubleshoot with Mod+ Connect

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Sealevel Mod+ Connect, now available on the App Store, is a diagnostic and test utility intended for use with SeaI/O and eI/O devices.

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Sealevel Mod+ Connect, a diagnostic and test utility, is now available on the Apple® iTunes® App Store®. The new app is intended for use with SeaI/O Ethernet and wireless I/O modules, as well as Sealevel’s eI/O Ethernet and PoE compact I/O modules. Mod+ Connect allows users to view and change device settings, as well as monitor and control the I/O banks of the connected module. The app is compatible with iPhone® 6 or greater, running iOS 9 or later with an active Wi-Fi connection.

With Sealevel Mod+ Connect, users can

  • Directly interact with Sealevel SeaI/O and eI/O devices
  • Monitor Sealevel I/O devices on a Local Area Network (LAN)
  • Troubleshoot network and communication problems
  • Easily develop control software through I/O simulation

Mod+ Connect’s intuitive graphical user interface (GUI) makes controlling outputs and monitoring inputs easy, no matter the user's location or experience level. While all Sealevel SeaI/O and eI/O modules use Modbus protocol, control of the app doesn’t require Modbus-specific commands to read the I/O, allowing for easy operation by the most novice users.

For more advanced Modbus users, Sealevel offers the Modbus Connect app.

Visit the App Store to download Mod+ Connect, visit Sealevel’s website for the detailed app note and demonstration video or call +1 864.843.4343 for more information.


Sealevel Systems, founded in 1986, provides industrial computing solutions in addition to a variety of communications and I/O products including PCI Express and PCI Bus cards, Ethernet serial servers, and USB serial adapters. The product line includes multi-port RS-232, RS-422/485, RS-232/422/485 multi-interface high-speed sync/async, and digital/relay I/O. For more information, visit or call 864-843-4343.

Editor-only contact:
Katherine Elrod
Marketing Communications
+1 864.843.4343

Reader contact information:

Sealevel Systems, Inc.
Liberty, South Carolina USA
+1 864.843.4343

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Katherine Elrod
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