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What's the M12 Sensor Cable

Update time : 2025-05-07 10:49:00

The M12 sensor cable is a type of circular connector cable specifically designed for connecting sensors and actuators in industrial automation environments. These cables use M12 connectors, which follow the IEC 61076-2-101 standard, and are commonly used for reliable signal transmission in harsh operating conditions.

Key Features of M12 Sensor Cables

1.Connector Type:

The connector is M12, named for its 12 mm locking thread.

Typically uses A-coded connectors for sensor/actuator connections.

Other coding types exist (e.g., D-coded for data, K-coded for power), but A-coded is standard for sensors.

2.Pin Configuration:

Available in multiple configurations such as 3-pin, 4-pin, 5-pin, or 8-pin versions, depending on the sensor or actuator requirements.

Common pin arrangements:

3-pin: Basic sensor connections (e.g., power, ground, and signal).

4-pin: Adds an additional signal or functionality.

5-pin: Allows for signal + diagnostics or secondary signal line.

3.Electrical Ratings:

Typically used for low-voltage and low-current applications.

Voltage: Up to 250 V (depending on the type).

Current: Usually 4 A per pin.

4.Cable Jacket:

M12 sensor cables are constructed with durable materials for industrial use:

PUR (Polyurethane): For flexibility, oil, and chemical resistance.

PVC: Cost-effective with good durability.

Shielding options are available to protect against electromagnetic interference (EMI).

5.IP Ratings:

Designed for harsh environments with ingress protection ratings like IP65, IP67, or IP68, making them resistant to dust, water, and moisture.

6.Connection Types:

Available in straight or right-angled connectors for space-saving installations.

Can be pre-assembled (overmolded) for plug-and-play installation or field-attachable for custom wiring.

Applications of M12 Sensor Cables

M12 sensor cables are widely used in industrial automation for connecting:

Sensors: Proximity sensors, photoelectric sensors, temperature sensors, and pressure sensors.

Actuators: For controlling mechanical movements like valves or relays.

Fieldbus Systems: Transmitting data in field-level communication (e.g., IO-Link connections).

Robotics: Reliable signal transmission for robotic control systems.

Machine Tools: Connecting sensors and actuators in machinery for automation processes.

Advantages of M12 Sensor Cables

Robust and Durable: Designed for harsh industrial environments.

Reliable Connection: Locking thread ensures vibration-resistant connections.

Standardized: Interchangeable and widely supported in automation systems.

Compact Design: Ideal for applications with limited space.

Summary

The M12 sensor cable is a versatile and reliable solution for connecting sensors and actuators in industrial automation. With its rugged design, standardized M12 connectors (usually A-coded), and protection against environmental factors, it ensures reliable signal and power transmission in demanding applications. These cables play a critical role in maintaining the accuracy and performance of modern automated systems.

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