SeaI/O-450U
SeaI/O-450U

Part# 450U

(SeaI/O-450U)

USB to 16 Form C Relay Outputs


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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 TCP 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 and Linux operating systems.

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.
Host Interface USB
# of Ports 16
Brand/Family SeaI/O
Digital I/O Form C Relay Outputs
RoHS Yes
Number of Inputs/Outputs 16 Outputs
USB Specification 1.1 Compliant
2.0 Compatible
Contact Voltage 60VDC max.
Contact Current 2A max.
Contact Operate Time 2ms max.
Contact Bounce Time 7ms max.
Contact Release Time 1ms max.
Power Requirement 9-30 VDC @ 4.0W
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 5.1 (W) x 1.3 (H)
  • • 16 SPDT Form C relays
  • • Removable screw terminals simplify field wiring
  • • Input power via terminal block or modular connector
  • • Sealevel's SeaLATCH locking USB port provides secure connection with SeaLATCH USB cables via metal thumbscrews
  • • DIN rail mount or table mount
  • • Includes 6' USB type A to SeaLATCH USB type B device cable (Item# CA356)
  • • Sealevel SeaMAX software supports Microsoft Windows and Linux operating systems






DAQFactory Express
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DAQFactory Express

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