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zenon’s flexibility and usability impress Hyundai Rotem (South Korea)
Hyundai Rotem (South Korea)
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Selecting a Control System for the Servo Press
Hyundai Rotem’s Servo Press team began the process of identifying a suitable automation software supplier by specifying a control system for a new 1,000-ton Servo Press due for delivery in March 2012. The system must:
- Enable highly accurate operation
- Support flexible use in a simple and intuitive way
- Deliver reliable and safe operation via touch screen control
- Support TCP/IP communication
- Communicate with PROFINET controller, S7 315F-2PN/DP and 315-2PN/DP PLCs and Simotion-D motion controller
- Offer reporting functionality, so operation and energy use can be optimized.
They decided to use the zenon software from Austrian automation experts, COPA-DATA, as Control System Engineer for Hyundai Rotem’s servo press team, Young Yoon Jung, explains:
“We are impressed with COPA-DATA’s philosophy of ‘do it your way’, because this is exactly what we aim to offer our customers. Now, thanks to the flexibility and ergonomic strengths of zenon, we do.”
An Open System with Easy Configuration
The control system team at Hyundai Rotem found zenon very easy to configure and have been impressed with the “outstanding features” of each zenon module. The new 1,000-ton press utilizes zenon drivers for S7-300 and Simotion D, TCP/IP communication, zenon’s inbuilt redundancy and recipe management and reporting tools.
Together, these zenon functionalities have delivered a highly operable and intuitive system for Hyundai Rotem’s customers. Young Yoon Jung says:
“It is quick and simple to configure great-looking interfaces using zenon. Clear interfaces are essential on large, powerful machines like these. It is important the operator can clearly see information such as press force, tool condition or motor speed to ensure optimum operation. This information is then stored in zenon for use in later analysis to optimize both the process and energy use.”
Dynamic Control and Recipegroup Manager offer great flexibility
It was important for Hyundai Rotem that the press would allow free and sophisticated slide action and dynamic control for the machine operator to ensure the best possible molding of each individual item. Using zenon, the operator can set points and commands at the 15” touch screen HMI and has the ability to read and execute commands, see current values and precisely define the sequence in which variables are written. Here, the operator can enter information about the slide motion and cushion operation and zenon will record the relevant data for each item in its own recipe.
The operator then can easily access this data whenever it is required to mold such an item again by selecting it from a list. It is then executed in Runtime with a single function call. Hyundai Rotem were very pleased with the flexibility zenon offers users:
“Recipes can be configured in the Editor, or directly in Runtime. This means that our customers can make tweaks to their processes really easily during operation. If an operator changes a variable, the necessary values are automatically adjusted in the recipe. Blocked writing ensures that the data arrives at the PLC safely. So the system is simple to use and reliable”.
Reporting Capabilities add value
zenon’s reporting functions were an added bonus for the Hyundai Rotem team. As well as providing access directly to communication data and the status of the controller, zenon also provides information about alarms on the equipment and enables the operator to acknowledge, delete or save the alarm message. Key status information such as location, loads, slide motion, cushion information, etc. is displayed graphically and also saved within zenon for later analysis using zenon’s Historian, trend and/or report functionality.
The system was configured to leverage zenon’s inbuilt redundancy. Data is synchronized between the operational system and a networked standby system. In this way, zenon provides seamless redundancy. Young Yoon Jung says:
“We are so impressed with the ease and speed of creating redundancy in zenon. Our customers are always asking for high-availability systems – often with more than 99 % availability. This kind of high availability would not be possible without the kind of redundancy that zenon offers – and zenon makes it incredibly easy to setup too.”
A force to be reckoned with
Young Yoon Jung continues:
“These huge machines will represent a significant investment for our customers, so it is important that they are:
- simple and intuitive to use
- extremely accurate, safe and reliable in operation, and
- flexible enough to ensure maximum ROI and longevity
zenon has helped us to deliver on all three of these points – it is an excellent solution for both us as system engineers and our end users.”
The 1,000-ton servo press was delivered on schedule in March 2012. Hyundai Rotem is now introducing a new 2,000-ton servo press for its automotive clients, and a 600-ton midsize and small servo press series for its automotive and electronics clients, for which they intend to use the zenon software as well.
Young Yoon Jung concludes:
“We love COPA-DATA’s commitment to producing ergonomic solutions – it helps us to help our customers and also simplifies work for our control system team. zenon is a win-win for us: we can deliver great-looking, simple-to-use HMIs with really complex features but zenon’s easy configuration and wealth of features also reduces and simplifies control system engineering. Using zenon, we are able to produce a better solution with less work.”Back