Recently, KECONG officially launched the world's first mobile robot safety hand controller that reaches SIL3 functional safety level - MRI5100-FS. This follows the release of the world's first mobile robot safety controller that passed SIL3 and PLe certification in 2025. KECONG, based on the core safety link of mobile robots, has extended functional safety products from the robot body to the human-machine interaction环节， to build a complete functional safety system covering "perception - decision - execution - interaction" for customers， and to create a mobile robot safety solution that is suitable for the global high-end market and meets the strict requirements of high safety levels and high reliability. 

Function Safety of Mobile Robots 

Moving towards a higher level 

As mobile robots accelerate their entry into key industrial scenarios such as automotive manufacturing, port logistics, intelligent warehousing, and heavy equipment, the industry's requirements for safety, reliability, and compliance are continuously increasing. 

In scenarios such as those involving human operation, highly complex industrial environments, and high-risk conditions, a mobile robot operator controller with functional safety is required to meet the enterprises' demands for system safety capabilities and long-term stable operation. 

SIL3 represents the capability level for meeting this requirement. Products that have obtained SIL3 certification have achieved extremely high levels of reliability and risk reduction capabilities, with lower failure probabilities of danger, stricter system architecture constraints, and more comprehensive safety lifecycle capabilities. 

For mobile robots, the hand controller is not only an important interface for human-machine interaction operations, but also an indispensable part of the safety chain for the robot's work on-site. Its functional safety level directly affects the system-level complete safety capability of the robot in scenarios such as near-human operation and maintenance. 

The newly released SIL3 level functional safety handheld controller MRI5100-FS is the first domestically produced product with complete independent intellectual property rights. It has filled the industry gap in the field of mobile robots and has achieved world-leading levels in both safety grade and performance. This marks the continuous innovation and breakthroughs of Kechong in the field of robot safety control. 

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A number of international standards and authoritative certifications 

Open the global high-end market security pass 

The product achieves SIL3 level functional safety. Relying on Kexiong's long-term deep research and continuous investment in core technologies such as functional safety architecture design, embedded real-time control, redundancy and fault diagnosis mechanisms, and multi-protocol secure communication, the company possesses a full-stack R&D capability from the bottom-level architecture design to system-level engineering implementation. It has formed high-barrier technical barriers in key technologies such as functional safety and real-time control, and can complete the entire process of system independent design to verification, meeting the requirements of high-level functional safety standards. 

The MRI5100-FS has achieved systematic breakthroughs in the design and certification aspects, and complies with multiple international authoritative standards, including: 

IEC 61508 SIL3 / SC3

IEC 62061 SIL3

ISO 13849 Cat3 PLe

Meanwhile, the product passes: 

TÜV SAAR Certification 

SGS CE Certification 

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The MRI5100-FS complies with multiple international authoritative standards and certifications, meeting the requirements of the global high-end market for functional safety robots. It provides strong support for customers to conduct global business and deliver the full chain of functional safety robots. 

Higher-level security capabilities 

Make long-term value more measurable 

In industrial scenarios, the functional safety level not only affects the reliability level of the system, but also directly influences the risk control capability and operational stability throughout the entire lifecycle of the equipment. 

Compared to traditional lower security level solutions, SIL3 level products have more stringent requirements in terms of system architecture, redundancy design, and safety lifecycle management, thereby bringing benefits to enterprises: 

Lower system failure risk 

Higher long-term operational stability 

More controllable maintenance and replacement costs 

Stronger standards and scene adaptation capabilities 

This means that functional safety is no longer merely a foundational investment during the project implementation phase; instead, it is gradually evolving into a key fundamental capability for enterprises to enhance their long-term operational efficiency, optimize the risk-cost structure, and ensure continuous delivery capabilities. 

Wide temperature / wide humidity / wide pressure / high environmental adaptability 

Generalized design based on global operating condition constraints 

In addition to its advanced functional safety capabilities, the MRI5100-FS has undergone a systematic and comprehensive design enhancement for the complex industrial environments worldwide. Through wide temperature, wide humidity, and wide voltage design, it fully meets the stable operation requirements in different regions and various working conditions around the globe. 

Wide temperature range 

Supports stable operation in an environment ranging from -30℃ to +50℃, and also supports short-term exposure operation at 70℃ (not in a continuous working state). 

It can adapt to a variety of working conditions including the following, and always maintain stable control and reliable response: 

Low-temperature storage and logistics environment

High-temperature workshop 

Enclosed compartment 

Outdoor exposure to direct sunlight scene 

Humidity and temperature 

Supports stable operation in an environment with relative humidity ranging from 10% to 95% (without condensation). 

The adaptability covers various types of operating conditions, effectively enhancing the operational stability and reliability under humid and hot conditions: 

High-humidity environments in Southeast Asia 

Port and coastal application scenarios 

Areas such as the entrances and exits of the cold storage that are susceptible to changes in humidity and temperature 

Wide voltage input 

Supports a wide voltage input range of 18V to 60V, compatible with various mainstream battery voltage platforms. It can be directly connected to different robot power architectures and covers the actual power voltage envelope of the robot during its operation. 

Under dynamic operating conditions, the product maintains stable operation without the need for additional power supply regulation or protection adaptation. This helps to reduce the complexity of system integration, minimize the demand for customized development, enhance the reliability and engineering versatility of the robot, thereby improving the reusability of this product in multiple types of robots and the efficiency of large-scale deployment. 

Safety is also reflected in every single operational detail. 

True and reliable security not only stems from the design at the system architecture level, but also manifests in the controllability and certainty during each human-computer interaction process. 

For the entire process of robot debugging, deployment and maintenance, the MRI5100-FS has systematically optimized the human-machine interaction based on the principles of operational safety and usability reliability. It helps users achieve a more efficient, intuitive and controllable operation experience on-site, thereby reducing potential risks caused by human factors. 

Ready to use immediately, reducing the operational threshold 

The product features a clear and intuitive human-machine interface and interaction logic design. During the process of debugging, deployment and maintenance, users can quickly get started without the need for complex training. This not only enhances operational efficiency but also effectively reduces the risk of incorrect operations. 

Through standardized and consistent interaction design, operational uncertainties are reduced, ensuring that key operations have good reproducibility and consistency across different personnel and scenarios, thereby further enhancing the safety and reliability of on-site operations. 

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Dual emergency stop and three-stage enablement design enhance the response capability in abnormal situations. 

The MRI5100-FS adopts a safety design that combines dual emergency stops and three-stage enablement, enhancing its safety response capabilities in complex operations and emergency scenarios: 

Top emergency stop button: Facilitates quick triggering of an emergency stop in normal operation conditions, enabling an intuitive and immediate safety response. 

Three-stage enable switch (back panel): Based on a graded recognition mechanism for operating force, it realizes secure control over the operating status. 

① Error: The operation is not effective. 

② Level 2: The equipment has entered a normal working state. 

③ Third level: Trigger stop 

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By real-time identification of the operating status and force changes, the system can automatically enter a safe stop state in cases of accidental grasping, falls, or sudden tense operations, effectively reducing the risk of loss of control and enhancing the intrinsic safety level of the on-site human-machine interaction process. This design meets the requirements of high-level functional safety for the protection against human failures. 

Targeting the three core industries 

Enable security capabilities to reach the application site directly. 

As the world's first SIL3-level mobile robot safety controller, the MRI5100-FS is designed for industrial scenarios, offering practical and verifiable functional safety benefits, helping customers achieve a balance between safety and efficiency in their application environments. 

High-end manufacturing

In scenarios such as automotive manufacturing, precision electronics, and high-end equipment, there is a high density of equipment, complex processes, and a high degree of human-machine collaboration. This leads to even higher requirements for functional safety levels and system stability. 

The MRI5100-FS extends the high-level functional safety capabilities to the on-site operation and maintenance stages, providing enterprises with a higher level of functional safety assurance, helping them enhance production line stability, reduce the risk of abnormal shutdowns, and providing strong support for continuous production. 

Intelligent Logistics and Warehousing 

In e-commerce warehousing, large logistics centers and automated handling systems, equipment is usually in a state of high-frequency and long-term continuous operation, and has strict requirements for reliability, environmental adaptability and maintenance efficiency. 

The MRI5100-FS is designed for high-intensity working conditions. It maintains stable performance in complex environments and under continuous operation, reducing maintenance and replacement frequencies, and enhancing the overall safety, stability and operational efficiency of the logistics system. 

Mobile robot offshore enterprises 

For robot enterprises that are planning to expand their operations overseas, functional safety certification has become a crucial prerequisite for entering the high-end market. 

The MRI5100-FS has obtained multiple certifications such as SIL3, TÜV SAAR, SGS CE, etc., meeting the compliance requirements for safety-critical equipment in the international market. It can effectively shorten the project introduction cycle, reduce compliance risks and uncertainties, and help enterprises accelerate their global deployment process. 

From security control to human-computer interaction 

Kexiong continuously expands its functional safety coverage. 

From the world's first SIL3-level mobile robot safety controller to the world's first SIL3-level mobile robot safety operator, KECONG is continuously advancing the high-level layout of key safety components for mobile robots, and building a full-chain functional safety system covering control, execution and human-machine interaction. 

This is not only the official launch of a new product, but also a significant addition by Kexiong to the functional safety system of mobile robots - extending the high-level functional safety capabilities from the system control layer to the key nodes of on-site operations and human-machine interaction. 

As industry competition shifts from individual product capabilities to system-level security capabilities, enterprises need an overall security architecture that is collaborative, verifiable, and implementable. Kexiong is providing highly reliable mobile robot security solutions for the global market with a more complete product system and higher-level functional security capabilities.