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M8 4-Pin Cable – Application Overview

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Author : Arbyter Qing
Update time : 2025-05-23 19:45:16

What Is an M8 4-Pin Cable?

An M8 connector has an 8 mm diameter thread. The 4-pin version includes four electrical contacts, typically used for low-power signal and control applications in industrial systems.

Common Applications

1. Sensor Connections

  • Connects proximity sensors, photoelectric sensors, temperature sensors, and position encoders

  • Transmits digital (PNP/NPN) or analog (e.g., 0–10V, 4–20mA) signals to control systems

2. Actuator Control

  • Powers and controls small actuators, such as solenoid valves or mini motors

  • Supports basic signal and power transmission

3. IO-Link Devices

  • Frequently used for IO-Link communication, enabling bi-directional data exchange between smart sensors and controllers

4. Robotics & Compact Machinery

  • Ideal for space-constrained environments like robotic arms or compact automation cells

  • Offers secure, vibration-resistant connections

5. Industrial Vision Systems

  • Interfaces with LED lighting, triggers, and position sensors in machine vision setups


Typical Pinout (A-coded)

         Pin                          Function                      
          1            +24V DC (Power)
          2                    Signal
          3                0V (Ground)
          4             Signal or IO-Link

⚠️ Note: Always refer to the manufacturer’s datasheet, as pin configurations can vary.

Used In These Industries

                Industry                                                     Application Example                              
               Automation                    Sensor/actuator cabling on assembly lines
                 Robotics                          Feedback loops in robotic joints
                 Logistics                                 Item detection on conveyors
               Packaging                    Optical sensors in form-fill-seal machines
           Medical Devices                    Compact, sterile equipment connectivity


Key Benefits

  • Compact & lightweight for tight spaces

  • Rugged & waterproof (typically IP67/IP68 rated)

  • Quick connect/disconnect with secure threading

  • Supports analog, digital, and IO-Link communication


Summary

The M8 4-pin cable is the ideal solution for industrial environments where space-saving, reliable, and versatile connections are required. Whether it’s for a smart sensor or a compact actuator, this connector delivers consistent performance and seamless integration.

Small in size. Big on performance. Trusted in automation.

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