16 Optically Isolated Input / 16 Open-Collector Output SeaI/O Expansion Module

Part: 530N-OEM   Model: SeaI/O-530N-OEM


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The SeaI/O-530N-OEM adds 16 optically isolated inputs and 16 open-collector outputs to your SeaI/O network. Compatible with all SeaI/O base units (Ethernet, USB, RS-485, RS-232), the SeaI/O-530N-OEM connects easily using an RS-485 input. Cabling is accomplished via the units RJ45 connector or removable screw terminals. RS-485 line conditioning allows easy installation of termination and pull-up/pull-down resistors.

All SeaI/O N-series expansion modules ship with four metal standoffs with nuts. The metal standoffs allow you to connect multiple SeaI/O OEM boards together in a stack. The optional CA239 interconnect cable can be used to connect SeaI/O OEM boards together via the RJ45 pass-through connectors, providing an easy method to cascade RS-485 signals and power from one module to the next. Alternatively, use inexpensive CAT5 cabling to pass data signals between SeaI/O OEM boards to create a distributed network.


Additional information



Output Dissipation

Max. 1000mA (single), Max. 2000mA (port)

RoHS Compliant


Power Requirement

9-30 VDC @ 1.4W

# of Ports


Output Voltage

Max. 60VDC

Output Type


Output Power

DC 60W max.

Output Isolation

2500VAC RMS, 3500VDC

Operating Temperature

-25°C to 85°C (-13°F to 185°F)

Digital I/O

Isolated Inputs, Open-Collector Outputs

Number of Inputs/Outputs

16 Inputs / 16 Outputs

Input Impedance

6.2K Ohms (in series)

Input Range

5-30 VDC

Input Isolation

2500VAC RMS, 3500VDC

Humidity Range

10 – 90% Relative Humidity, Non-Condensing

Extended Temperature

Call for Options


7.5 (L) x 5.0 (W) x 0.8 (H)

Storage Temperature

-50°C to 105°C (-58°F to 221°F)

  • Quick connection to SeaI/O devices using RJ45 connector or removable screw terminals
  • 16 optically isolated inputs
  • 16 open collector outputs
  • Removable screw terminals simplify field wiring
  • Input power via terminal block or modular connector
  • Includes four 3/4 inch metal standoffs with nuts

Windows Software

Software: SeaMAX - Windows

Linux Software

Software: SeaMAX - Linux


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