Part#: 570N-OEM


8 16-bit A/D, 8 Isolated Inputs, 8 Form C Relay Outputs SeaI/O Expansion Module



The SeaI/O-570N-OEM, designed using the Linear Technology LTC1867 A/D chip, adds eight single-ended 16-bit analog inputs, eight optically isolated inputs and eight Form C relay outputs to your SeaI/O network.

Compatible with all SeaI/O base units (Ethernet, USB, RS-485, RS-232), the SeaI/O-570N-OEM easily connects using an RS-485 input. Cabling is accomplished via the RJ45 pass-through connector or removable screw terminals. RS-485 line conditioning allows easy configuration of termination and pull-up/pull-down resistors via external dipswitches.

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

Weight 1.5000 lbs
Dimensions 7.5 x 5.0 x 0.8 in
A/D Chip

A/D Inputs

A/D Range

A/D Resolution

Analog I/O


Contact Bounce Time

Contact Current

Contact Operate Time

Contact Release Time

Contact Voltage

Digital I/O



Extended Temperature

Field Wiring

Humidity Range

Input Isolation

Input Range

Input Impedance

Host Interface(s)

Number of Inputs/Outputs

Operating Temperature

Output Specification

Output Type

# of Ports

Power Connector

Power Requirement

RoHS Compliant

Storage Temperature

Switching Capacity
  • • Quick connection to SeaI/O devices using RJ45 connector or removable screw terminals
  • • 8 single-ended 16-bit analog inputs
  • • 8 optically isolated inputs
  • • 8 Form C relay 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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