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Part# 3730


PC/104 16 Reed Relay Output / 16 Isolated Input Digital Interface

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The 3730 PC/104 digital I/O interface provides 16 optically isolated inputs and 16 Reed relay outputs. The inputs protect the PC and other sensitive equipment from spikes and ground loop current that can be generated in industrial environments, while the outputs provide high quality, long-life, low current (10 Watt maximum), dry contact switch closures. Reed relays are well suited for low current applications. The relays are normally open, and close when energized.

The inputs on the 3730 are rated for 3-13V. For 10-30V inputs, order the 3730H.

Sealevel's SeaIO Classic software drivers and utilities make installation and operation easy using Microsoft Windows operating systems.

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.

Note: This item has a minimum order quantity (MOQ) of 25 units. Please contact your sales representative with any questions.
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Host Interface(s) PC/104
# of Ports 16/16
Digital I/O Isolated Inputs, Reed Relay Outputs
Number of Inputs/Outputs 16 Inputs
16 Outputs
Power Requirement +5V @ 285mA
Input Range 3-13 VDC
Contact Voltage 100 VDC/VAC
Contact Current 500 mA
Board Connector (2) 40-Pin Headers
Operating Temperature 0 - +70C
Extended Temperature Call for Options
Storage Temperature -50 - +105C
Humidity Range 10 - 90% Relative Humidity, Non-Condensing
• 16 Reed relay outputs (SPST)
• 16 optically isolated inputs
• Highly reliable 10VA DIP Reed relays
• 100 million closures at maximum load
• Socketed dip resistor allows user configurable input range up to +24V
• Power (+5V and +12V) and ground provided on connector
• Right-angle connectors available for OEM opportunities, two 40-pin vertical headers standard
• SeaI/O Classic software supports Windows 98, ME, NT, 2000, XP and Vista operating systems
• Software support for DOS, Linux, Windows 3.1 and Windows 95 available

PC/104 Hard Drive Adapter
PC/104 Hard Drive Adapter


Terminal Block Kit
Terminal Block Kit


40-Pin IDC to DB37 Cable
40-Pin IDC to DB37 Cable


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


PC/104 Adapter
PC/104 Adapter


Terminal Block
Terminal Block


40-Pin IDC to DB37 Cable
40-Pin IDC to DB37 Cable


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


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