Control panel before and after: Gain productivity with lean automation, connectivity

Get wired for efficiency. This video, photos, and text explain how a cabling system can speed control panel design and construction, with build-time control panel assembly savings of 60% or more.

08/14/2013

Flash is required!

Lean automation helps streamline control panel design on the right, producing overall savings of 35% and build time savings of 60% or more. Richard Chung, product manager, lean automation, Eaton, explains to CFE Media's Mark T. Hoske how the Eaton SmartWire-DT system helps with that, at the Eaton Menomonee Falls, Wis., facility. Video is about 9 minutes. Courtesy: CFE Media



The flat cable plugs into the back of the HMI-PLC unit, eliminating a gateway or communication card. It connects serially to other control panel devices using a snap-in connector for each. Courtesy: CFE MediaMachinery original equipment manufacturers, panel builders, and others can more easily see the productivity, reliability, and economic advantages of using a smart-module-type device-level wiring system when compared to a conventionally wired control panel.

In an interview with CFE Media, Richard Chung, Eaton product manager for lean automation, explained how to streamline control panel design to produce overall savings of 35% and build time savings of 60% or more. Below, Chung discusses traditional design control and electrical panel design and lean automation design, along with advantages beyond the obvious wiring savings.

Traditional control panel

Lean automation helps streamline control panel design on the right, producing overall savings of 35% and build time savings of 60% or more. Richard Chung, product manager, lean automation, Eaton, explains to CFE Media's Mark T. Hoske how the Eaton SmartWiBefore: On the left in the first photo and beginning of the video is a composite control panel design using standard electromechanical controls, with multiple pushbuttons and an operator interface on the door of the controls enclosure. (Enclosures here have clear covers for display purposes.) Inside the panel are basic motor starters and motor protectors, wired to contactors. On the top is a programmable logic controller (PLC) and I/O modules hardwired to the components on the door. While this demo panel packs in what typically would be in a larger panel, it does illustrate, in close proximity, the effort required to strip, route, connect, add wire markers, and bundle and secure all wiring and cabling so it’s neat and orderly. It takes a lot of time and can result in additional challenges with loose terminations or wire connections. An original equipment manufacturer or panel builder would check the wiring using a schematic diagram, yellow-lining the paper during the process to show what had been wired, for a thorough check.

Lean control panel

Machinery original equipment manufacturers and their customers can take advantage of remote diagnostics with web server capability on the controller and easy connection via Ethernet to the Internet to limit downtime. Courtesy: CFE MediaAfter: On the right of the first image and video is a lean solutions control panel using a lean connectivity system with a multi-conductor flat cable connection, which consolidates eight wires for smarter and faster wiring. A smart chip is embedded in each of the control components shown—contactor modules and pilot device modules (pushbuttons)—so they can communicate in distributed fashion with the main controller. Benefits include space savings through elimination of the traditional PLC, I/O modules, and associated wire channels. PLC functionality has been combined into the hardware of the operator interface, running a Microsoft Windows CE real-time operating system, with CoDeSys software runtime engine for the PLC code and visualization. The software, offered by more than 200 suppliers, eliminates the need to change PLC application programming. It uses IEC 61131-3 languages.

A trip condition can provide a local alarm indication and notification via the Internet. In an overload situation, the contactor can open, disconnecting the load before the circuit breaker can trip, so a remote restart is possible without a visit to the eThe flat cable plugs into the back of the HMI-PLC unit, eliminating another piece of hardware typically required, a gateway or communication card. It connects serially to all devices in the control panel using a snap-in connector for each. By simplifying and standardizing the way components are connected inside the control panel, the system reduces overall control panel size, eliminates hardwiring to remote I/O modules inside cabinet, and streamlines diagnostics and other communications outside the cabinet.

Beyond a footprint reduction, the system also can add functionality to an existing enclosure, such as when a retrofit application needs to add PLC- and operator-interface functionality, but there isn’t space with traditional design methods. Those changes can be made to an existing box with minimal changes to the existing design using lean automation.

To locate a device using Eaton SmartWire-DT wiring, clamp the module over the desired location, and crimp. An open module is shown at the bottom. Courtesy: CFE MediaMachinery original equipment manufacturers (MOEMs) and their customers also seek more remote troubleshooting functionality, which this enables, with web server capability on the controller and easy connection via Ethernet to the Internet. Such a connection allows (with appropriate security clearance) remote diagnostics—the ability to troubleshoot an outage or other malfunction remotely. In this way, repairs may be done in minutes, compared to many hours if an off-site MOEM technician needs to visit.

Wiring, space, diagnostics, productivity

Savings: Typical before-to-after savings is 35% overall, with build-time savings upwards of 60% or more, depending on the mix and configuration of the control panel. It avoids individual wire cutting, stripping, wiring identification, and the need for applying wire ferrules. Upon connection, the system locates any faults, though the flat-wire connection system helps to avoid errors.

Beyond faster time to operation, the system also can deliver more information about motor loads and other connected systems to streamline maintenance, perhaps avoiding typical scheduled technician visits in favor of remote monitoring. It can tap into the electronics of the motor starter, monitoring motor current, for instance. When settings are changed or thresholds are crossed, the results can be seen online, if needed.

Onboard communications inside each Eaton SmartWire-DT module helps improve speed to start-up over traditional control panel wiring. Courtesy: CFE MediaOnline diagnostics can reduce risk by eliminating the need to visit or open enclosures where personal protective equipment (PPE) is needed, even allowing remote reset capability after a trip condition. In an overload situation, the contactor can open, disconnecting the load before the circuit breaker can trip, so a remote restart is possible, without a personal visit or suiting up with PPE to open an enclosure.

Road show education

A multi-city U.S. Eaton road show has been detailing the advantages of lean automation, integrated modular components, use of CoDeSys, integrated HMI-PLCs for visualization, simpler integrated safety designs, web-enabled machines, diagnostics, energy awareness, and energy efficiency. The information above was gathered during a pre-event interview in July at the Eaton Innovation Center in Menomonee Falls, Wis.  

Eaton SmartWire-DT crimper, right, pushes the module closed over the flat wire. A connected Eaton pilot/pushbutton is shown, left. Courtesy: CFE Media- Mark T. Hoske is content manager, CFE Media, Control Engineering, Plant Engineering, and Consulting-Specifying Engineer, mhoske(at)cfemedia.com.

ONLINE

www.eaton.com/smartwire-dt

Panel building: Optimizing control panel design, construction – This article provides additional details and justification.

Time, material savings mean cost savings – This article includes tables with time and material examples.



No comments
The Engineers' Choice Awards highlight some of the best new control, instrumentation and automation products as chosen by...
Each year, a panel of Control Engineering editors and industry expert judges select the System Integrator of the Year Award winners.
Control Engineering Leaders Under 40 identifies and gives recognition to young engineers who...
Learn more about methods used to ensure that the integration between the safety system and the process control...
Adding industrial toughness and reliability to Ethernet eGuide
Technological advances like multiple-in-multiple-out (MIMO) transmitting and receiving
Big plans for small nuclear reactors: Simpler, safer control designs; Smarter manufacturing; Industrial cloud; Mobile HMI; Controls convergence
Virtualization advice: 4 ways splitting servers can help manufacturing; Efficient motion controls; Fill the brain drain; Learn from the HART Plant of the Year
Two sides to process safety: Combining human and technical factors in your program; Preparing HMI graphics for migrations; Mechatronics and safety; Engineers' Choice Awards
The Ask Control Engineering blog covers all aspects of automation, including motors, drives, sensors, motion control, machine control, and embedded systems.
Join this ongoing discussion of machine guarding topics, including solutions assessments, regulatory compliance, gap analysis...
News and comments from Control Engineering process industries editor, Peter Welander.
IMS Research, recently acquired by IHS Inc., is a leading independent supplier of market research and consultancy to the global electronics industry.
This is a blog from the trenches – written by engineers who are implementing and upgrading control systems every day across every industry.
Anthony Baker is a fictitious aggregation of experts from Callisto Integration, providing manufacturing consulting and systems integration.
Integrator Guide

Integrator Guide

Search the online Automation Integrator Guide
 

Create New Listing

Visit the System Integrators page to view past winners of Control Engineering's System Integrator of the Year Award and learn how to enter the competition. You will also find more information on system integrators and Control System Integrators Association.

Case Study Database

Case Study Database

Get more exposure for your case study by uploading it to the Control Engineering case study database, where end-users can identify relevant solutions and explore what the experts are doing to effectively implement a variety of technology and productivity related projects.

These case studies provide examples of how knowledgeable solution providers have used technology, processes and people to create effective and successful implementations in real-world situations. Case studies can be completed by filling out a simple online form where you can outline the project title, abstract, and full story in 1500 words or less; upload photos, videos and a logo.

Click here to visit the Case Study Database and upload your case study.