A truly connected enterprise can achieve real-time control between platforms and devices within the organization.
The Internet of Things (IIoT)-based interconnect enterprise allows users to access the right information in the right format at the right time.
Maintenance engineers using tablets can use location beacons on the production line or machine to query specific security devices at precise locations, dynamically receiving data as they approach each zone, without the need for manual requests.
Similarly, an operations manager can use the same software and the same location beacon on the same tablet to receive information for their credentials. Using these core tools and techniques helps provide contextualized information that meets individual needs based on employee functions or work.
With an informational connection to machines and equipment, manufacturers can have a more complete understanding of their operations.
Information-rich connection
The EtherNet/IP network provides a plant-wide network system using open industry standard networking technology. By connecting high-end input devices such as motor starters and sensors to controllers and human machine interfaces (HMIs), the system provides real-time control and information to the entire enterprise.
For devices that do not support EtherNet/IP functionality, especially those with simple safety input devices and components (such as emergency stop, interlock switch, and basic dongle switch), manufacturers can now take advantage of newer smart device-level link technologies— Rowell Automation 's Guardl ink protocol feeds back specific device information to the host controller.
Guardl ink is a security-based communication protocol that standardizes cabling in both trunk and spur topology, supporting plug-and-play connectivity. While significantly reducing wiring, the device location can be provided and diagnostics, remote resets, and lock commands can be made via a single cable to provide information to the system over the network. Up to 32 devices can be connected up to 1000 meters without any configuration (the maximum distance between devices is 30 meters).
Enhanced interconnection
Traditional security solutions are often hardwired in series. Therefore, in operation, the user may not be able to distinguish the requirements of each device; if one component fails, the user only knows that there is a problem with the component at a certain location in the serial connection.
Separate connections to individual components require extensive wiring and introduce more potential points of failure, which may result in unnecessary unplanned stops. This will also increase the cost of the machine manufacturer.
On the other hand, with Guardl ink, machine builders and end users can keep devices connected in series, but still get detailed diagnostics for each device. With intelligent security components using Guardl ink linking technology, users can access status information and improve machine health.
For example, safety relays perform inspections and monitoring of safety systems that allow the machine to start, or execute commands to shut down the machine or control safety-related functions. Relays that support Guardl inks can perform most of the functions required for a safety system. It also helps simplify procurement and parts management because the relay has a custom profile for the Studio 5000 Logix Designer engineering environment, giving users easy access to relay and Guardl ink device data. Designed to meet functional safety standards such as ISO 13849-1 and IEC 62061, this product provides key features to help simplify installation and reduce system complexity.
Adapters that support Guardl inks (also known as smart taps) can act as adapters for safety input devices, including Output Signal Switching Device (OSSD) and Electromechanical Safety Switch (EMSS) inputs, that can be connected to the Guardl ink system while The Guardmaster safety relay provides device position, status, and auxiliary information. By connecting all safety devices to the safety relays by connecting taps and standard four-core wiring, you can visualize the system status and even view the status of each protective door and emergency stop switch.
working principle
If the emergency stop switch or the interlock switch is activated, the corresponding safety signals will be sent to the safety relay. The relays are connected to each other via fiber optic cables and communicate with each other without wiring. The information is then seamlessly communicated throughout the interconnected enterprise via the EtherNet/IP network interface used by the Guardmaster safety relay.
Locally, the operator will go to the fault notification and know exactly where the fault is, without having to manually check all the equipment on the machine or line. This way they can fix problems themselves when there are minor problems, or contact maintenance personnel to deal with major failures. Finally, Guardl ink not only minimizes downtime through real-time diagnostic communication, but also allows manufacturers to understand the production process and make improvements.
Get control of the data
Reducing the number of machine interactions and reducing interaction time can increase safety and productivity. A well-designed system with an intelligent safety controller connected to the HMI minimizes the difficulty of troubleshooting tasks.
A sophisticated modern safety system enables self-tests so that faults do not accumulate, thus avoiding loss of safety functions and other potential hazards. The cause of an accident is often the accumulation of a series of small events, such as component failure or bypass unawareness, rather than the consequences of a large failure. By using a secure programmable logic controller ( PLC ), the system integrates the production process with the safety logic.
Rockwell Automation's scalable security solutions use intelligent security appliances that enable manufacturers and security professionals to transform their security monitoring and management practices. By using the Guardl ink system and EtherNet/IP as a bridge of communication, manufacturers can enhance the visibility of the machine manufacturing process and manage massive amounts of complex data more efficiently.
Three pillars of security support
For machine builders who want to implement and support smart manufacturing and operations, to meet industrial manufacturing safety requirements, the following elements will be required:
â— The right product: The new smart safety design and equipment can reduce wiring, design costs and reduce unplanned downtime. A comprehensive portfolio of scalable machine security products helps organizations increase machine safety and productivity.
â— The right tools: Integrated system design tools and design environments have more features and capabilities to help engineers meet the increasingly demanding market demands and increase the overall productivity and safety of the entire automation system.
â— The right people: Compliance with safety standards to reduce the risk of injury and increase productivity requires support and expertise from those who are knowledgeable about automation and safety. When working with them, manufacturers can provide employees with training and education on safety requirements and compliance to ensure a better and safer working environment.
Safety machine, safety technology
With the development of global safety standards and technologies, manufacturing safety has become a powerful tool for optimizing production. Modern technology helps improve worker safety and simplifies programming and startup.
The Guardl ink safety system offers several benefits that not only reduce engineering and design requirements, but also provide an advantage in terms of data capacity and return on investment.
In fact, leading companies agree that deploying intelligent, integrated security solutions not only helps ensure employee safety, but also increases manufacturing productivity, which directly impacts the bottom line.
From the perspective of security systems and networking capabilities, it is now a good time for manufacturers to keep up with the rapid pace of technology development.
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