ISA 16 Optically Isolated Input Digital Interface (10-30V)

Part: 3094H   Model: ISO-16

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Optimized for sensing 24V, the 3094H ISA digital I/O interface provides 16 optically isolated inputs. The inputs protect the PC and other sensitive equipment from spikes and ground loop current that can be generated in industrial environments.

The inputs on the 3094H are rated for 10-30V. For 3-13V inputs, order the 3094.

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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Additional information

Board Connector


Digital I/O

Isolated Inputs

Extended Temperature

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Humidity Range

10 – 90% Relative Humidity, Non-Condensing

Input Isolation

400V (Optical)

Input Range

10-30 VDC

Host Interface(s)


Number of Inputs/Outputs

16 Isolated Inputs

Operating Temperature

0°C to 70°C (32°F to 158°F)

# of Ports


Power Requirement

+5V @ 200mA

Storage Temperature

-50 – +105C

16 optically isolated AC or DC inputs optimized for +24V
Power (+5V and +12V) and ground provided on connector
Supports interrupts 2/9 – 7
Selectable port addressing (100H – 3FFH)
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


Manual: 3094H


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