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SEALEVEL | SeaIO

SeaI/O-520N

In Stock

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NABL-Accredited Calibration | Available on Request
Rs. 33655.00 (Excl. GST)

The SeaI/O-520N is an RS-485 Modbus RTU expansion module that adds 8 optically isolated inputs and 8 high-current Form C relay outputs to your SeaI/O network..

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  • Detail
  • Special Features
  • Specification

The SeaI/O-520N is a versatile expansion module ideal for adding optically isolated inputs and high-current relay outputs to your SeaI/O network. With RS-485 Modbus RTU compatibility, this module easily integrates into any Ethernet, USB, RS-485, or RS-232 based SeaI/O system. Perfect for industrial applications, it can control high-current devices using the Form C relays and gather input data from isolated sources with high protection.

  • Optically Isolated Inputs – 8 optically isolated inputs, providing 3500V isolation to protect sensitive equipment.

  • Form C Relays – 8 high-current Form C relays can switch up to 6A at 250VAC or 5A at 30VDC.

  • RS-485 Interface – Easy RS-485 connection, with RJ45 or removable screw terminals for cabling.

  • Expansion Kit – Comes with metal standoffs, screws, and a 5" RJ45 RS-485 interconnect cable for easy module stacking.

  • Flexible Network Setup – Cascading RS-485 signals to create a distributed network of SeaI/O modules.

Parameter Details
Model Number SeaI/O-520N
Host Interface RS-485
Power Requirement 9-30 VDC @ 3.5W
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% Relative Humidity/Non-Condensing
Number of Inputs 8
Input Type Optically Isolated Inputs
Number of Outputs 8
Output Type Form C Relays
Mounting Enclosure