Part#: 8206FX


Part#: 8206FX Categories: , ,

USB to 8 Optically Isolated Inputs / 8 Form C Relay Outputs Digital Interface Adapter

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This product is classified as legacy and is not recommended for new or high volume designs.

Sealevel will support legacy products through technical and warranty support, software drivers and product manuals. Please contact Sales for further information. For new product designs, we recommend the SeaI/O-420U.

The SeaLINK® 8206FX digital I/O interface adapter provides 8 optically isolated inputs and 8 Form C relay outputs, which can be utilized for PC based control and industrial automation.

The 8 Form C relays support 2 Amp switch and carry current. Our unique serial string naming feature allows multiple USB digital I/O devices to retain their specific identity within the system. Onboard removable screw terminals are provided to simplify wiring connections. A DIN rail mounting option is available.

Sealevel’s SeaIO Classic software drivers and utilities make installation and operation easy using Windows operating systems.

To simplify installation and configuration, a printed copy of the USB Digital I/O QuickStart Guide is included with all USB Digital I/O orders.

Important: If you are a previous customer of non-FX SeaLINK digital I/O adapters, you must update your SeaIO driver for proper operation of this 8206FX module. Please read this Support Article for details.

Get a jumpstart on your digital I/O development with The Digital I/O Handbook that will provide helpful information that you will use again and again. Check out Chapter 1 for an overview of logic principles.

Additional information

Weight 1.8000 lbs
Dimensions 7.1 x 5.3 x 1.5 in
Board Connector


Contact Current

Contact Voltage

Digital I/O



Extended Temperature

Field Wiring

Humidity Range

Input Range

Host Interface(s)

Number of Inputs/Outputs

Operating Temperature

# of Ports

Power Requirement

Storage Temperature

USB Specification

  • • Eight Form C relay outputs (SPDT)
  • • Eight optically isolated inputs
  • • One 16-pin and two 12-pin removable screw terminals simplify field wiring
  • • Powered by USB connection
  • • Includes 72″ USB cable (Item# CA179)
  • • Sealevel SeaIO Classic software supports Windows operating systems


Manual: 8206


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