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Onboard drives enable Plug-and-Play

Sidel uses a new kind of washdown variable-frequency drive mounted right on its Plug-and-Play conveyors to reduce installation costs by more than 20%.

The washdown 'black box' drive, shown mounted atop a motor (inset below), can be positioned on or alongside the modular, preass
The washdown 'black box' drive, shown mounted atop a motor (inset below), can be positioned on or alongside the modular, preass

Moving a variable-frequency drive, or VFD, from its usual place inside a control cabinet and mounting it directly onto a machine makes a world of difference. For conveyors from Sidel, Packaging Systems Div. (Norcross, GA), it means “Plug-and-Play” simplicity. The savings that result in reduced wiring, time, and labor are dramatic, if not electrifying. Cost savings are on the order of 25% versus Sidel’s conventional conveyors, and maintenance is also simplified, according to Franck Klotz, automation and controls director.

The Plug-and-Play conveyors are built with the new 160Z On-Machine VFDs from Rockwell Automation (Milwaukee, WI). Mounted directly on the conveyor on an onboard DeviceNet™ fieldbus network, the 160Z drive replaces off-machine VFDs and point-to-point wiring. This on-machine approach also frees space by eliminating the control panel mounted along a wall or on a mezzanine. All that’s needed is a small, conveyor-mounted cabinet for the Allen-Bradley SLC5/05 programmable logic controller, which has a built-in Internet port.

The NEMA 4X washdown 160Z VFD is ideally suitable for food and beverage applications, including dairies. It is available as an option on all of Sidel’s conveyors, including air, tabletop, roller, and magnetic conveyors.

In North America, Sidel assembles the conveyors prewired—actually, precabled—to the customer’s specific layout at its facility in Montreal, Canada. Sidel disassembles the modular conveyor and ships it to the customer’s site where the conveyor is reassembled and tested. The electrical connections are made in daisy chain fashion from module to module.

“All of the electrical cabling is already part of the conveyor module,” Klotz points out. “All the electrical that’s needed to run is to bring the plant main power to the conveyor.”

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