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RH Brown Co. Material Handling Solutions Hytrol Spotlight | December 2011 Call Us 866-936-9410 or Visit www.RHBrown.com!
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New Video: Hytrol's EZLogic® Zero Pressure Accumulation System
New Video: Hytrol's EZLogic® Zero Pressure Accumulation System

What is EZLogic®?

EZLogic®, or Electronic Zero-pressure Logic, is a method of zero-pressure control that combines the sensing accuracy of photo-electrics with discrete electronic logic control without the use of a PLC or pneumatic logic components. This system provides all the "intelligence" needed to accurately control the various functions of zero-pressure accumulation on a variety of conveyor models. Reduced noise, higher reliability, higher throughputs and ease of maintenance are just some of the advantages of the EZLogic® system.

Gen3 EZLogic® Features & Functionality

EZLogicPatented Dynamic Zone Allocation

Allows each carton to be assigned enough zones to accomodate their length. Longer cartons will not obsolete the system when introduced later. Dynamic zone allocation increases carton throughput, accumulation and density as well as conveyor efficiency.

Two Modes of Operation

  • Singulation Mode - product separates while traveling down the conveyor and when it is released from the conveyor, creating a zone-length gap between packages.
  • Slug Mode - product does not separate when traveling down the conveyor or when it is released from the conveyor. This allows higher carton throughput at any given conveyor speed. Product will not separate on the conveyor even when accumulation has been activated at the discharge end.

Jam Protection

When the conveyor is set to run in "slug mode," if a package is sensed by an EZLogic® controller for six seconds or longer a signal is sent to the upstream zone to accumulate product on the upstream side of the jammed package. This prevents product pile-up until the jam is cleared. The zone where the jam is detected continues to drive, in many cases dislodging the product without assistance. Once the jam is cleared, the conveyor returns to normal operation.

"Sleep" Feature

If an EZLogic® controller does not detect the presence of product for a selectable time period, the controller stops the zone from driving. This "sleep" feature helps reduce noise and roller wear. Packages traveling down the conveyor "wake up" the zones as needed to move the package.

Loading Zone

When a pallet (or other load) is placed in a zone by some external means, the zone stops the rollers from turning and holds back any upstream pallets for a preset time.

Indexing Stop Zone

Ideal for workstations where a person finishes with one item then momentarily presses a switch, indexing the next item forward.

Cascade Slug Release

Rather than releasing all cartons simultaneously, this function introduces a momentary delay in the release of each zone, from discharge upstream.


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