Balluff BES 516-131-S4-C (BES0178) Inductive Proximity Sensor: Complete Technical Guide

Balluff BES 516-131-S4-C (BES0178) Inductive Proximity Sensor: Complete Technical Guide

Balluff BES 516-131-S4-C (BES0178)

High-Performance Inductive Proximity Sensor for Industrial Automation

Product Overview

The Balluff BES 516-131-S4-C (BES0178) is a premium inductive proximity sensor designed for reliable object detection in demanding industrial environments. This M12 threaded cylindrical sensor offers exceptional performance with a 4mm sensing range and PNP switching output, making it ideal for integration with PLC systems and industrial automation applications.

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Product Demonstration Video

Demonstration of BES 516-131-S4-C operation and installation

Technical Specifications

Parameter Specification Details
Product Code BES 516-131-S4-C Alternative: BES0178
Sensor Type Inductive Proximity Non-flush mounting
Sensing Range 4 mm Standard detection distance
Housing Dimensions Ø 12 x 70 mm Compact cylindrical design
Thread Style M12 x 1 Standard industrial thread
Switching Output PNP NO/NC Normally Open/Normally Closed
Switching Frequency 2500 Hz High-speed operation
Housing Material Nickel-plated brass Corrosion resistant
Operating Voltage 10-30 V DC Standard industrial range
Current Consumption < 15 mA Low power consumption
Protection Class IP67 Dust and water resistant
Temperature Range -25°C to +70°C Wide operating range

Key Features and Benefits

  • High Sensitivity: Fast response time with stable performance for precise object detection
  • Durable Construction: Nickel-plated brass housing provides excellent corrosion resistance
  • Versatile Mounting: Non-flush design allows for flexible installation options
  • PLC Compatibility: PNP output directly interfaces with most PLC input modules
  • High Switching Frequency: 2500 Hz capability for high-speed applications
  • Industrial Protection: IP67 rating ensures reliable operation in harsh environments
  • Standard Interface: M12 connector for easy integration with industrial systems

Industrial Applications

The BES 516-131-S4-C is widely used across various industrial sectors:

  • Automotive Manufacturing: Position detection in assembly lines
  • Packaging Machinery: Product presence verification
  • Material Handling: Conveyor system monitoring
  • Robotics: End effector position sensing
  • Machine Tools: Tool position detection
  • Food Processing: Metal detection in production lines
  • Pharmaceutical: Equipment position monitoring
IP67
Protection Rating
2500 Hz
Switching Frequency
-25°C to +70°C
Temperature Range
4 mm
Sensing Range

Frequently Asked Questions

What is the difference between flush and non-flush mounting?
Non-flush mounting (like the BES 516-131-S4-C) allows the sensor to detect objects from all sides, providing a larger sensing area. Flush-mounted sensors can only detect objects from the front and are typically used in applications where space is limited.
Can this sensor detect non-metallic objects?
No, inductive proximity sensors like the BES 516-131-S4-C are specifically designed to detect metallic objects only. For non-metallic object detection, capacitive or optical sensors would be more appropriate.
What does PNP NO/NC switching output mean?
PNP refers to the transistor output type (sourcing). NO (Normally Open) means the output is off when no target is detected, and NC (Normally Closed) means the output is on when no target is detected. This sensor can be configured for either mode.
How do I wire this sensor to a PLC?
The sensor typically has 3 wires: brown (24V+), blue (0V), and black (signal output). Connect brown to PLC power supply positive, blue to negative/ground, and black to the PLC input channel. Always refer to the specific wiring diagram for your application.
What maintenance is required for this sensor?
Inductive sensors are generally maintenance-free. However, regular cleaning of the sensing face and visual inspection for physical damage is recommended. Ensure the mounting remains secure and check connections periodically.

Important Installation Notes

Mounting Considerations: Ensure proper clearance around the sensor (typically 2x the sensor diameter) to prevent interference from surrounding metal objects. Follow the manufacturer's recommended installation procedures for optimal performance.

Environmental Factors: While IP67 rated, avoid exposing the sensor to chemicals that may damage the housing material. Consider environmental temperature variations that may affect sensing distance.

External References and Citations

The BES 516-131-S4-C (BES0178) is documented across multiple industrial platforms:

  • Balluff Official Documentation: Complete technical specifications and installation guidelines
  • Industrial Distributors: Available through authorized Balluff distributors worldwide
  • PLC Integration Guides: Compatible with Siemens, Allen-Bradley, Omron, and other major PLC brands
  • Industry Standards: Complies with IEC 60947-5-2 for proximity sensors

Sources: Balluff product documentation, industrial automation standards, and verified technical specifications from authorized distributors. Product images and video provided by Koeed Industrial Automation.

Last Updated: Current technical specifications based on manufacturer's latest documentation.

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