and collect data from a wide variety of devices over a single industrial Ethernet/ IP network. No single vendor makes every device necessary for complex machining, but more and more suppli- ers are offering Ethernet/IP connectivity for their machine tool devices that have predeveloped logic instructions and HMI faceplates designed to quickly and efficiently integrate them into a complex system. Even machine safety guard- ing and control can be handled on the same Ethernet/IP network as standard I/O and data collection traffic. By using a common network topology, valuable machine status and part production data is available anywhere in the machining cell, plant floor and enterprise without the complexity and expense of custom- engineered networking hardware and soſtware. With pre-engineered integra- tion between the CNCs, robots and the
The advantages of a standardized network are significant and varied.
cell controller, end users minimize the time specifying these connections and then reviewing each machine builder’s work for compliance, while machine tool builders are able to take advantage of the efficiency gained in the integra- tion of the system. Ethernet/IP network integration benefits include: • Reduced start-up time and cost to end user; simplified machin- ing system architecture for end users to specify.
• Less system engineering required for a machine tool builder to integrate multiple CNCs and robots with a cell controller, saving cost and time during design and engineering.
• Integrated safety network pro- vides simple diagnostics and co- ordinates machine tools, robots and cells for overall improve- ments including safety provisions for machining, material handling and guarding.
Integrated communication is necessary in the drive to increase productivity, efficiency and quality and reduce cost.
• Improved quality, quantity and usability of manufacturing intelligence; production and machine information is eas- ily transferred to enterprise IT systems enabling better decision making and cost reductions.
An integrated solution is ideal for a
machining cell controller architecture comprised of several CNC machines cutting parts and robots handling the loading and unloading. Tese archi- tectures typically include coolant and chip removal systems, deburr and wash machines, test operations, part marking, identification and inspections stations and more. Common connectivity to Ethernet/IP makes engineering and managing all of this integration much more simple, especially with those devices that are already profiled in the programming soſtware. Tis solution is scalable and can be changed and upgraded, allowing the user to choose the devices needed for the process. Te advantage of the pre-developed tools and preferred integration can greatly reduce the engineering time required to integrate and test the complete system.
Conclusion Manufacturers are beginning to
recognize the benefit of using standard
Ethernet and Ethernet/IP network- ing technologies in IACS networks in the automotive manufacturing envi- ronment. While challenges remain, development of a strong integrated Ethernet-based network continues to move forward. Guidance from the manufacturing development engineers, controls engineers and IT professionals will need to be stronger than ever. Many vendors continue to promote legacy or application-specific IACS network- ing technologies because they are comfortable with them. Te principle argument from these vendors has been that deterministic and time-sensitive manufacturing environments require more than what standard Ethernet and IP technologies can deliver. However, Ethernet and Ethernet/IP-based systems offer performance that meets or exceeds the needs of IACS applications while offering better benefits than the older field-bus networks they replace. In addition, these modern networks have mature and tested technologies to safely secure the network and the systems they interconnect beyond what are available for the older field-bus networks. And fi- nally, these networks provide a platform for development and expansion of plant manufacturing technology systems— now and in the future.
Motorized Vehicle Manufacturing 39
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