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SEALEVEL | SeaIO

SeaI/O-520N-OEM

Now includes NABL Calibration Certificate.
Rs. 32004.00

The SeaI/O-520N-OEM 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-OEM provides an efficient solution for adding optically isolated inputs and high-current relay outputs to RS-485 networks. Ideal for industrial environments, this module can control high-current devices using Form C relays and receive data from isolated signal sources with high protection. It easily integrates with Ethernet, USB, RS-485, or RS-232 base units for flexible network expansion.

  • Optically Isolated Inputs – 8 optically isolated inputs to protect equipment from voltage transients and ground loops.

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

  • RS-485 Interface – Easily integrates with RS-485 Modbus RTU protocol, with connections via RJ45 or removable screw terminals.

  • Expansion Kit – Ships with metal standoffs for stacking and an optional interconnect cable for cascading RS-485 signals across multiple modules.

  • Flexibility in Setup – Allows easy cabling with standard CAT5 cabling or included connectors.

Parameter Details
Model Number SeaI/O-520N-OEM
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 5.0 (W) x 0.8 (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 Board only