Part# 410N-OEM


16 Optically Isolated Input / 16 Reed Relay Output SeaI/O Expansion Board

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The SeaI/O-410N-OEM adds 16 optically isolated inputs and 16 Reed relay outputs to your SeaI/O network. Compatible with all SeaI/O base units (Ethernet, USB, RS-485, RS-232), the SeaI/O-410N-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.
Host Interface RS-485
# of Ports 16/16
Brand/Family SeaI/O
Digital I/O Isolated Inputs, Reed Relay Outputs
RoHS Yes
Number of Inputs/Outputs 16 Inputs, 16 Outputs
Input Isolation 300V
Input Range 5-30 VDC
Contact Voltage 60VDC max.
Contact Current 500mA max.
Contact Operate Time 0.5ms max.
Contact Bounce Time 0.5ms max.
Contact Release Time 0.2ms max.
Power Requirement 9-30 VDC @ 1.4W
Operating Temperature 0 - +70C
Extended Temperature Call for Options
Storage Temperature -50 - +105C
Humidity Range 10 - 90% Relative Humidity, Non-Condensing
Dimensions 7.5" (L) x 5.0" (W) x 0.8" (H)
  • • Quick connection to SeaI/O devices using RJ45 connector or removable screw terminals
  • • 16 optically isolated inputs
  • • 16 SPST Reed relays
  • • Removable screw terminals simplify field wiring
  • • Input power via terminal block or modular connector
  • • Includes four 3/4 metal standoffs with nuts

SeaI/O RS-485 Interconnect
SeaI/O RS-485 Interconnect


Spring Clamp Terminal Block Kit
Spring Clamp Terminal Block Kit


Wall Mount Power Supply
Wall Mount Power Supply


Wall Mount Power Supply
Wall Mount Power Supply

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The Digital I/O Handbook
The Digital I/O Handbook


The Digital I/O Handbook (*Free)
The Digital I/O Handbook (*Free)


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