Wireless Proximity Sensors for Better and Faster Wireless Factory Automation

Ofir Levi

Ofir Levi, Head of Support

| 5 February, 2024
Boost factory efficiency with IO-Link Wireless Proximity Sensors—real-time monitoring, and cost-effective applications for agile and smart wireless automation.
Ofir Levi
The installation of IO-Link Wireless sensors is simple and fast, often requiring a fraction of the time and resources needed for wired systems. The reduction of maintenance touchpoints translates to long-term cost savings.

Ofir Levi

Head of Support

In a factory setting, every second of downtime leads to lost profits. With the emergence of IO-Link Wireless technology, industrial automation has reached new heights, enabling factory floors to leave behind the hardwired systems.

One of the building blocks of wireless factory automation is the wireless proximity sensor. Understanding how they work can help decision-makers revamp their factor operations.

What Are Wireless Proximity Sensors?

Proximity sensors are crucial components of industrial automation, detecting the presence or absence of an object without requiring physical contact. Until recently, these sensors depended on wired connections to relay signals to the central control system. The advent of wireless proximity sensors, as part of the array of devices made wireless with IO-Link Wireless devices, has redefined this process, offering a range of freedom and efficiency that was previously inaccessible.

  • Real-time Monitoring and Intervention
    The wireless sensor setup doesn’t just simplify the connection. It represents the ability to monitor and control the production line in real time from any location within the network range.
  • Converting Analog Signals to Digital
    Modern wireless proximity sensors are equipped with the capability to convert analog signals to digital, transmitting data that’s not only reliable but also easily interpretable by the automation system. Taking this ability a step forward, CoreTigo’s TigoConverter enables converting analog signals into IO-Link, and then into IO-Link Wireless with TigoBridge IO-Link Wireless Bridge, or TigoHub IO-Link Wireless Hub. Thus it upgrades the proximity sensor’s abilities.

Types of Wireless Proximity Sensors

The variety of proximity sensors can be tailored to suit specific industrial requirements, including the need for wireless communication. Here are the main types:

  • Inductive Proximity Sensors
    Inductive proximities are non-contact sensors that detect the presence of conductive metals. Their wireless counterparts are ideal for industries that require quick response times and high reliability, such as automotive and machining.
  • Capacitive Proximity Sensors
    Capacitive sensors work on the principle of detecting changes in the capacitance environment when an object approaches. In their wireless form, these sensors find applications in industries dealing with non-metallic materials or liquids.
  • Ultrasonic Proximity Sensors
    Ultrasonic sensors use sound waves to detect the presence of objects regardless of their material composition or color. In a wireless configuration, these sensors are invaluable in areas where precision and non-intrusive detection are critical.
  • Photoelectric Proximity Sensors
    Photoelectric sensors use light – typically a beam – to detect objects. Their wireless counterparts are versatile and can be used in a wide range of industrial applications, including those requiring long-distance detection.

Features of Wireless Proximity Sensors

With technological advancements, wireless proximity sensors have become increasingly sophisticated, offering an array of features that enhance their functionality and versatility in factory settings.

  • Self-monitoring Capabilities
    These sensors can continuously monitor their own health, detecting faults or malfunctions and alerting operators, thereby reducing the risk of unexpected failures.
  • Scalability and Interoperability
    Wireless proximity sensors are designed to work seamlessly with other wireless devices, creating a scalable network that can accommodate the evolving needs of an industrial facility.
  • Power Efficiency
    Many industrial wireless sensors are engineered to be energy-efficient, often running on long-lasting batteries or utilizing energy harvesting methods, ensuring a reliability that doesn’t compromise on longevity.
  • Built-in Diagnostics
    Equipped with onboard diagnostic tools, wireless sensors can not only report faults but can also provide detailed information about system performance, allowing for proactive maintenance.

Advantages of Wireless Proximity Sensors

The shift to wireless proximity sensors represents a clear win for industries looking to streamline their operations and adapt to the demands of the modern workforce.

  • Improved Flexibility and Durability
    With wireless proximity sensors, there’s no need to rewire systems due to changes in the factory layout. They also do away with the maintenance tasks associated with damaged or worn-out cables.
  • Cost Savings on Installation and Maintenance
    The installation of IO-Link Wireless sensors is simple and fast, often requiring a fraction of the time and resources needed for wired systems. The reduction of maintenance touchpoints translates to long-term cost savings.
  • Real-time Data for Informed Decision-making
    By providing real-time data, wireless proximity sensors empower decision-makers to respond promptly to changing conditions, optimizing production schedules, and ensuring a smooth workflow.

Wireless Proximity Sensors in Factory Automation

The integration of wireless proximity sensors into factory automation systems results in significant advancements in production capabilities.

  • Smart Manufacturing
    Wireless proximity sensors are integral to the concept of smart manufacturing, enabling interconnectedness and data-driven decision-making that characterizes the fourth industrial revolution.
  • IoT and Industry 4.0
    As Industrial IoT (IIOT) and Industry 4.0 initiatives gain traction, wireless proximity sensors play a pivotal role in connecting machines, systems, and people, fostering an environment of collaboration and innovation.
  • Remote Monitoring and Predictive Maintenance
    With industrial proximity sensors, factories can implement remote monitoring and predictive maintenance strategies, boosting operational efficiency and extending the lifespan of critical machinery.

Conclusion

Wireless proximity sensors revolutionize wireless factory automation, promising not only enhanced efficiency and productivity but also the agility required to meet the dynamic demands of the modern marketplace. Coupled with IO-Link Wireless, they streamline automation and improve manufacturing processes.

As the industry continues to evolve, manufacturers and automation experts need to leverage the full potential of these devices to remain competitive.

Ofir is an experienced support manager with 23+ years of experience in global tech companies and industrial automation. He possesses strong skills in process control, industrial communication and control systems. As Head of Technical Support, Ofir led teams of technical engineers providing presales, post sales and professional services at Unitronics and Megason.
Ofir holds a BSc. in computer science and electronics & control.