Thin Air: How Wireless Technology Supports Lean ... - Prepaid MVNO

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Lean Wireless Is Already Here • 29 The Wireless technology vendors of, for example, real-time location systems and Wireless sensor networks recognize that, and are plugging into Wi-Fi and other Wireless systems like it. The result is that Wi-Fi or another similar Âsystem becomes, if not the enterprise backbone, then its nerve path, and every Wireless device, from a laptop to a PDA to an RFID reader, plugs into it. How Lean Is This? Consider two configurations of an automotive plant on the following pages, the first being typical, and the second, theoretical. The first (Figure 1.5) incorporates all the modern Wired and Wireless technologies, in a jumbled mess of “nerve paths” that cross but do not intersect. Each device must be integrated with the enterprise system. Having more Wireless nodes requires better connectivity and integration, else, the information will simply go to waste. Figure 1.6 shows the same technologies attached to a single Wi-Fi nerve path. This single system in turn integrates with the enterprise system, perhaps an SAP or Oracle system. To understand just how cost effective this is, the U.S. Department of Energy estimates that “installation of wiring can represent 20 percent to 80 percent of the cost of a sensor point.” Installation cost is typically calculated as follows: Cost of the wire ($ per linear foot or meter) + Labor time for installation (measured in linear foot or hourly) + Misc. costs (changes to facility, securing wires, ensuring compliance with safety standards) Depending on the location of the sensor, installation can cost between $200 and $400 per sensor, plus wiring cost, which can be $200 per foot depending on the type of cable. In addition, the wiring can be expensive to service and maintain. If the enterprise system is a “backbone,” as it is commonly described, the Wireless network is a sort of “nerve path” for virtually any device, system, or process, including: • Telephony, using VoIP • Sensors • RTLS © 2010 by Taylor and Francis Group, LLC
30 • Thin Air: How Wireless Technology Supports Lean Initiatives Manufacturing Systems and Support (Factory Information System) Multiple Networks including Cell Text Paging, Event Management System and Line of Business Applications Operational Visibility Line of Business Applications (ERP, MES, EAM, Plant Maintenance, WMS...) Maintenance Quality Shop Floor Data Control Material Management Production Control Plant Management Desktop Computers Cell Phones Desktop Computers Mobile Computers and Bar Code Scanners 2-Way Radio 2-Way Pagers Deskphones Cell Phones Desktop Computers Mobile Computers and Bar Code Scanners 2-Way Radio 2-Way Pagers Deskphone Cell Phones Desktop Computers Mobile Computers and Bar Code Scanners 2-Way Radio 2-Way Pagers Deskphone Cell Phones Desktop Computers Mobile Computers and Bar Code Scanners 2-Way Radio 2-Way Pagers Deskphone Cell Phones Desktop Computers Mobile Computers and Bar Code Scanners 2-Way Radio 2-Way Pagers Deskphone Cell Phones Desktop Computers Mobile Computers and Bar Code Scanners 2-Way Radio 2-Way Pagers Deskphone WWAN Push-to-Talk Leased Airtime Wired Ethernet 802.11 Wireless Radio Trunk Legacy Text Paging Wired Phone Line (PBX) Paging, Event Management Servers and Hardware Plant Equipment PLC, CNC, HMI, Robot, Sensors, I/O, kanban, Andon Line of Business (LOB) Applications ERP MES QMS EAM WMS CMMS (Computerized - Maintenance) CRM HMI BI (Business Intelligence) FIGURE 1.5 Today’s typical automotive plant has modern Wired and Wireless technologies, but no central nervous system. (Courtesy Motorola, Inc.) © 2010 by Taylor and Francis Group, LLC
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Page 6 and 7: Contents Acknowledgments...........
Page 8 and 9: Contents • vii Why the IOT Is Not
Page 10: Contents • ix Lean Rules.........
Page 13 and 14: xii • Acknowledgments as so many
Page 15 and 16: xiv • Introduction—The Confusio
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Page 21 and 22: xx • Introduction—The Confusion
Page 23 and 24: 2 • Thin Air: How Wireless Techno
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Page 33 and 34: Preliminary Analysis Enterprise Fac
Page 37 and 38: Virtual Device Emulator Virtual Com
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Page 56 and 57: 2 Why Now? Lean Wireless and the Co
Page 58 and 59: Why Now? Lean Wireless and the Cost
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EPCIS Back-End Sensors PLC Robotics
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4 The Democratic Frontiers of Lean
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160 • Afterword (and Forward): Le
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The Authors Dann Anthony Maurno’s
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