The SeaI/O-450U provides 16 SPDT Form C relays that can be easily controlled from your computer's USB port. Each relay output is rated for switching up to 60VDC @ 2A. The outputs are grouped in four-bit segments that each share a common for easy wiring. The SeaI/O-450U is powered from your 9-30VDC source, or select from a variety of Sealevel power supply options.
Communicate with the SeaI/O-450U using industry standard Modbus RTU protocol or use the Sealevel SeaMAX API
software libraries from your application program. Sealevel's SeaMAX
software drivers and utilities make installation and operation easy using Microsoft Windows
Expand your I/O network with SeaI/O N-series products. SeaI/O modules are available with Reed and Form C relays, optically isolated inputs, TTL interfaces, A/D and D/A functionality. Up to 246 additional expansion modules can be added using convenient pass-through connectors.
The SeaI/O-450U integrates Sealevel's SeaLATCH locking USB
port, which is fully compatible with standard USB cables. When used with the included USB cable with a SeaLATCH USB type B connector, the metal thumbscrew provides a secure connection to the device and prevents accidental cable disconnection.
Get a jumpstart on your digital I/O development with The Digital I/O Handbook
that will provide helpful information that you will use again and again. Check out Chapter 1
for an overview of logic principles.