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SEALEVEL | SeaIO

SeaI/O-520U

Now includes NABL Calibration Certificate.
Rs. 35052.00

The SeaI/O-520U provides 8 optically isolated inputs and 8 high-current SPDT Form C relay outputs. It is designed for USB communication using the Modbus RTU protocol, and it's ideal for industrial applications that require reliable digital I/O control..

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  • Special Features
  • Specification

The SeaI/O-520U is designed for digital control and monitoring, featuring 8 optically isolated inputs and 8 high-current SPDT Form C relays. Its optical isolation ensures protection from voltage spikes and ground loops, common in industrial environments. The Form C relays are perfect for applications requiring switching of high-current devices, such as motors or large control systems.

The USB connectivity allows for easy setup with the Modbus RTU protocol for integration with standard industrial control systems, and the Sealevel SeaLATCH USB port ensures a secure connection to prevent accidental disconnections.

  • 8 Optically Isolated Inputs – Rated for 5-30VDC, offering 300V external isolation.

  • 8 High-Current SPDT Form C Relays – Can switch up to 6A at 250VAC and 5A at 30VDC.

  • Field-Wiring Made Easy – Removable screw terminals simplify installation and wiring.

  • USB Powered – 9-30VDC power from your USB connection or Sealevel’s power supply options.

  • Sealevel SeaLATCH USB Port – Secure connection with SeaLATCH USB cables via metal thumbscrews to prevent accidental disconnection.

  • Modbus RTU Protocol – Fully supports Modbus RTU, integrating easily with Windows and Linux systems.

  • DIN Rail or Table Mount – Flexible installation options for versatile use.

  • Sealevel SeaMAX API – Simplifies integration and communication in your applications.

Parameter Details
Model Number SeaI/O-520U
Host Interface USB
Communication Protocol Modbus RTU
Input Channels 8 Optically Isolated Inputs
Output Channels 8 SPDT Form C Relays
Relay Rating 6A at 250VAC, 5A at 30VDC
Input Voltage Range 5-30 VDC
Power Requirement 9-30 VDC @ 5.0W
Operating Temperature 0°C to 70°C (32°F to 158°F)
Storage Temperature -50°C to 105°C (-58°F to 221°F)
Dimensions 7.5" (L) x 5.1" (W) x 1.3" (H)
Humidity Range 10-90% RH, Non-Condensing
USB Specification 1.1 Compliant, 2.0 Compatible
Family SeaI/O
Enclosure Enclosure (DIN Rail or Table Mount)