Digital I/O Module Icon

Free Digital I/O Module icon for manufacturing documents. Transparent PNG, commercial use OK, no sign-up.

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Free for commercial and personal use, no attribution required; redistribution and resale of the icons themselves are not allowed. License details

Category: Control Equipment · Updated 2026-09-21

About the Digital I/O Module

A digital I/O module connects on/off signals from switches and sensors to a controller, and sends commands out to actuators and lamps. It plugs into a PLC rack or fieldbus node as the basic interface to field devices.

Where to use this icon

• PLC system configuration diagrams
• Electrical design documents and I/O lists
• Control system proposals and quotations

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