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MediaService Digital Industries Newsroom

And it made a “click” – Garden watering system manufacturer relies on Siemens for transparent energy management

Gardena is one of Europe’s leading manufacturers of high-quality garden equipment and exports its products to over 80 countries.

Nearly everyone who owns a garden or balcony has at some point held a Gardena product of some sort. The most well-known is certainly the simple click system which allows connectors to be easily fitted to hoses and faucets and is ready to use with just a simple click. The solution was launched in 1968 and has been through various improvements since then. However, it is not the only innovation from Gardena which has been a pioneer in sustainability, environmental protection, and careful use of resources. One of key elements of this is ultra-modern energy management based on the certified Simatic Energy Manager Pro from Siemens.

Comprehensive energy management made easy

“Our production facility has many injection molding machines operating in different modes. These machines are electrically heated. In addition, there are two water-cooled systems consisting of several interlinked cooling units,” explains Jürgen Röck, deputy head of buildings and systems maintenance at Gardena. Initial analyses with the Simatic Powerrate energy management software showed that there were many opportunities for further optimization which is why Gardena decided to add a more comprehensive energy management system to the existing arrangement. It was important for the business that the new system could be scaled up and was easy to integrate while providing quick and flexible consumption data. The Siemens solution, comprising the Simatic Energy Manager, the Simatic WinCC Professional process visualization software, and the Simatic Energy Suite for energy transparency, meets these requirements and can also be easily integrated into the current process without any problems.

Secure data management and easy access

Consumption is captured by a total of four Simatic S7-1500 units which collect the data from a Simatic ET 200 SP AI energy meter, acting as a head controller, and forward this to the WinCC Runtime Professional software for evaluation and display. Each controller can manage up to 50 machines. The energy management is projected in the Engineering Framework TIA (Totally Integrated Automation) Portal which allows new measuring points to be easily integrated using a standardized process. “We capture the heat and electrical energy consumption in real time. This data is available to us at any time from the on-site control dashboard – completely automatically, without having to resort to meter readings. This saves us a great deal of effort,” enthuses Röck. “The data is saved and backed up in a standardized database so that we can use it for analysis at any time. Last but not least, we can also easily access the system via a web client – even when we are on theway.”

Consistent development

The benefits of Siemens technology are obvious, so it is no wonder that Gardena is already planning the next steps. “The aim is to integrate the gas consumption in our combined heat and power plant and our gas heating into the system so that we can also use the energy we produce to manage our efficiency and costs. The same applies to our water consumption,” says Röck.
The company attaches enormous value to sustainability and efficient use of resources and therefore relies on a comprehensive energy management system using Simatic Energy Manager from Siemens.
Gas and water consumption are to be integrated into the Siemens energy management system in the future.
The data from the Simatic ET 200 energy meter is evaluated by Simatic S7-1500 controllers. The Simatic Energy Manager shows the current consumption data in a clear dashboard.
Product components such as the well-known click system for connecting hoses and other irrigation equipment are formed and then processed in injection molding machines.

Contact

Ursula Lang

Digital Industries

Gleiwitzer Str. 555
90475 Nuremberg
Germany

+49 (911) 895-7947