PC817 Optocoupler Isolation Module 4-Channel

PC817 Optocoupler Isolation Module 4-Channel

The FARESPCB 4-Channel Isolation Module ISO4N is an optically isolated signal interface designed to connect control signals between electrically separated circuits. Based on PC817 optocouplers, this module provides four independent isolation channels for applications involving microcontrollers, programmable logic controllers (PLCs), sensors, and industrial control equipment. It helps prevent direct electrical connections between input and output circuits while transferring control signals across an optical isolation barrier.

Features

• Four-channel optically isolated signal interface.
• Uses PC817 optocouplers for galvanic isolation between input and output circuits.
• Selectable input voltage range of 3–9V with the jumper installed.
• Selectable input voltage range of 10–24V with the jumper removed.
• Active-low NPN transistor outputs.
• Output-side supply voltage range of 3–24V.
• Screw terminals for input, output, and power connections.
• Yellow LEDs indicate input signal activity.

Specifications

Configuration

Applications

• Isolation and level shifting between microcontroller I/Os and industrial controllers or relays.
• Protecting low-voltage control electronics from noisy field circuits and ground loops.
• Signal interfacing for PLC inputs/outputs, motor controllers, alarm systems and sensor networks.
• DIY automation, test rigs, and retrofit control panels requiring safe separation of domains.
• Multi-channel opto isolation in robotics, lighting control, and remote I/O expansions.

Package Contents

• 1x PC817 Optocoupler Isolation Module 4-Channel.

Datasheet