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It’s happened too many times: injuries, fatalities, and damage to plant assets resulting from crane-related accidents. The complex work performed by material handling cranes within aerospace, automotive, and metal processing facilities can lead to dangerous and costly accidents. How common is the problem? According to the Crane Inspection and Certification Bureau (CICB), approximately 80 crane-related deaths occur every year. Of all crane-related incidents, 90% are due to human error, 50% of the overall incidents result in a fatality, and 40% of the overall incidents involve someone being struck by the crane or an object that the crane is lifting or moving. Most of these errors correlate to a lack of operator training.
Fortunately, recent advancements in digital technologies have fueled innovation in the field of crane control, and new solutions have been developed that are safer and smarter. One unique solution for modernizing cranes was designed to help operators by reducing load sway by a stunning 95%. This innovative solution, EXPERTOPERATOR™, was developed by PaR Systems (PaR) of Shoreview, Minnesota (www.par.com). PaR is a global manufacturer of advanced automation, robotic, and specialty material handling solutions. PaR supports global customers in automotive, aerospace, nuclear, life science, marine and other core industries.
EXPERTOPERATOR is an advanced crane motion control system implemented entirely within the Siemens platform. The system uses equipment such as Simatic S7 PLCs, Simatic HMI Panels, and Scalance W Industrial Wireless Modules. Unique algorithms within PaR’s software enables crane operators to more easily, quickly, and safely control the movements of payloads, such as dies and coils in automotive stamping plants. EXPERTOPERATOR is most effective for applications that require high throughput, and precise manipulation of loads to meet production demands and prevent collisions with sensitive equipment and personnel.
EXPERTOPERATOR is currently installed on over 150 cranes worldwide – many of which are located in automotive, primary metal, and heavy equipment industry facilities. Users have indicated that EXPERTOPERATOR has allowed operators to control their crane loads with 95% less sway and 90% fewer “close calls” or collisions. Optional modules to the EXPERTOPERATOR platform provide robust zone control, sideload/snag prevention, and automatic load positioning.
How material handling customers are benefitting from EXPERTOPERATOR
Across 150 installations, EXPERTOPERATOR has improved personnel safety, reduced damages to equipment, increased efficiency, and reduced maintenance costs.
The evidence that EXPERTOPERATOR makes cranes easier to operate is further demonstrated by data captured through operator studies that measured the frequency of button pushes. While using the technology, operators pressed pendant buttons 60- 80% less than while conducting the same manipulation task without EXPERTOPERATOR. This metric demonstrates that fewer commands are needed to manipulate a swing-free load.
PaR Systems knew their success would depend on their ability to work with a partner who could provide critical hardware that is robust for industrial environments, quick to deploy, and highly configurable.
In material handling crane operations, wireless capability is a key operational factor. The Siemens Scalance W wireless solution offered PaR Systems a wireless component that was reliable and predictable. PaR had experience with non-Siemens wireless solutions in the past that were problematic, both functionally, and from a manufacturer support perspective. The Scalance W wireless solution can be configured to operate in a less congested frequency range (5 GHz), allowing for a more robust wireless signal. Since installing Siemens Scalance W wireless modules as part of their solutions, customers have experienced 100% uptime of their wireless communications. In addition to reliability, the Scalance Wireless Modules offered PaR exceptional customer and OEM technical support.
Time to market is also important to PaR Systems when delivering customer solutions. The Siemens Totally Integrated Automation (TIA) portal provided a platform to shorten engineering time through its simulation tools, programmer productivity tools, and additional diagnostics. PaR Systems benefitted from unique capabilities when programming the Simatic S7 PLCs and Simatic HMI Panel. They were able to dynamically change the cycle time of the main control loop during runtime, which is critical for optimizing the performance of their unique motion control. Debugging capabilities were enhanced because the tool monitors values and updates programs in real time for instantaneous feedback. Such tasks that are tedious and time consuming within other platforms happen automatically and dynamically when using the Siemens TIA solutions.
Material handling requires a fine balance between precision, efficiency, productivity, and most importantly, safety. As a result of the collaboration between PaR Systems and Siemens, new and experienced crane operators around the world can now confidently perform their tasks and contribute to enhanced plant safety and operational efficiency, while reducing equipment maintenance.
To learn more about how Siemens and PaR Systems can help digitalize operations, improve safety, and boost operational efficiency, visit https://www.siemens.com/global/en/home/products/automation.html or https://www.par.com/technologies/crane-controls/
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The technical data presented in this document is based on an actual case or on as-designed parameters, and therefore should not be relied upon for any specific application and does not constitute a performance guarantee for any projects. Actual results are dependent on variable conditions. Accordingly, Siemens does not make representations, warranties, or assurances as to the accuracy, currency or completeness of the content contained herein. If requested, we will provide specific technical data or specifications with respect to any customer‘s particular applications. Our company is constantly involved in engineering and development. For that reason, we reserve the right to modify, at any time, the technology and product specifications contained herein.
About Siemens USA
Siemens Corporation is a U.S. subsidiary of Siemens AG, a global powerhouse focusing on the areas of electrification, automation and digitalization. One of the world’s largest producers of energy-efficient, resource-saving technologies, Siemens is a leading supplier of systems for power generation and transmission as well as medical diagnosis. With approximately 348,000 employees in more than 190 countries, Siemens reported worldwide revenue of $86.2 billion in fiscal 2015. Siemens in the USA reported revenue of $22.4 billion, including $5.5 billion in exports, and employs approximately 50,000 people throughout all 50 states and Puerto Rico.