In an ordinary year, PI (Profibus & Profinet International) would already – and once again – have presented its progress on Industry 4.0 work at the Hanover Fair – but this is no ordinary year. Nevertheless, the working group experts are working tirelessly on implementing concepts like the use of Profinet over TSN, fail-safe machine-to-machine communication and information models for vertical communication – virtually and at a safe distance, of course.
Obviously, this is not an easy time for an organization which has committed itself to the networking of automation systems, and especially also those of technical experts. PI has been part of the digital transformation from the very beginning, though, which makes it ideally equipped for this situation. This being the case, it is no wonder that the working groups chose to continue developing their concepts. Online meetings and processes have been part of everyday work at PI for many years, enabling effective and easy cooperation. To share this progress with Profinet users as well, PI is now implementing a number of different virtual methods of communication.
The focal point of this communication is the PI website, www.profibus.com/I40, where “Industry 4.0” is being rolled out again in its entirety. PI is focusing on the highlights of its Industry 4.0 work here, beginning with Profinet over TSN, OPC UA Safety and vertical communication. Additional concepts will be addressed and added successively over time. PI won’t just be providing an overview of the technology and leaving it at that – technical details on solutions and use cases for applications will be added as well. This gives device manufacturers and users solid information for their own implementation of Industry 4.0-compliant integration.
In addition to this digital content, PI will also be visualizing the Industry 4.0 workshop to enable discussion with users and enter into dialog in these trying times – times which everyone at PI hopes will be over soon. Regardless, the working groups will continue to work hard on implementing Industry 4.0, in keeping with the motto: Go digital. Go Profinet .
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Power Supply Product
Bi-directional DC-DC converter series has extended voltage
TDK Corporation (TSE 6762) announces the introduction of the EZA2500W-32048 TDK-Lambda brand bi-directional DC-DC converter model to its EZA series. The extended high voltage range now covers 260 to 400Vdc and the lower voltage 36 to 65Vdc. The operating temperature has been increased to -10 to +50°C. Double sided protective board coating and long-life dust resistant fans have also been included.
Designed for energy storage systems with rechargeable batteries, this 2500W digitally controlled, compact 1U power supply can seamlessly change conversion direction from high voltage dc sources, powered by solar or wind, to 48Vdc batteries and vice versa. Other applications include lithium-ion battery testing as well as the use of regenerated energy from robots, cranes, autonomous ground vehicles and lifts. The EZA2500 can be used to replace large power resistors currently used for lift braking and use that previously dissipated energy to charge batteries. That stored energy can be used to either provide peak power for high torque demands or as battery back-up for power cuts.
The output voltage and current can be programmed and monitored using the RS-485 communications port. Multiple units can be operated in parallel by using the RS-485 interface to set units for “droop mode” current share. Alarm signals are also accessible, as well as remote on/off and under/over voltage functionality. The high voltage (grid) to low voltage (battery) isolation is 3,000Vac, grid to ground 2,000Vac and battery to ground 500Vac.
The dimensions for the EZA2500 are 43.6mm (1U) high, 423mm wide and 400mm deep. All models in the EZA series are certified to the IEC/EN/UL 60950-1 and IEC/EN/UL 62368-1 safety standards with CE marking for the Low Voltage, EMC and RoHS Directives. A five-year warranty is standard.
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In-house machining and coating of valve bodies
Expansion of production capacities in Shanghai
The production of butterfly valves at Gemü Valves China is part of Gemü’s global production concept. As part of this global production concept, the firm has set the course for further expanding the capability for the production of butterfly valves in their factory in Shanghai.
To achieve this, the manufacturing capabilities have been significantly expanded in order to further increase the effect on production steps that are decisive for quality. In concrete terms, this means that the company has specifically invested in the mechanical machining and coating of the valve bodies and butterfly discs, and now carries out these production steps themselves in their own Butterfly Valve Production Center with the assistance of state-of-the-art technology.
In recent months, a new fully automated coating system was fitted and commissioned for this purpose. In addition, the firm has developed a special manufacturing and clamping concept that can be used to achieve narrow shape and positional tolerances.
Furthermore, in recent months, an interdisciplinary project team made up of German and Chinese specialists at Gemü Valves China was working intensively on the fine adjustment of the individual parameters in order to optimize the production processes. Now that this work is complete, the expanded Gemü production centre has started up its activities.
This has laid the foundations for the latest generation of the Gemü R480 Victoria soft-seated, butterfly valve to be produced in accordance with the most stringent quality requirements at the new butterfly valve competence centre in Shanghai, China with immediate effect.
“The expansion of the manufacturing capabilities in our Butterfly Valve Production Center in China is a key step on the path to implementing a global production concept,” says Gert Müller, Managing Partner at GEMÜ, commenting on the expansion of production capacities in China. “With the expansion of our factory in Shanghai, we are offering our customers, thanks to the significant production depth, significant improvements in safety and flexibility, and are implementing our “Made by Gemü” strategy at yet another location.”
Gemü Valves China was founded back in the year 2000 and is one of the largest subsidiaries of the Gemü Group. Even before expanding production capacities, the company in Shanghai was one of Gemü’s most state-of-the-art factories. Thanks to the continued investment in employees, design, production and logistics, Gemü Valves China is an important site in Gemü’s global production concept.