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Hydraulics Lead the Way

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Controls and an advanced “green” system are new to the hydro elevator market.

Pixel Control for Hydraulic Units

Elevator Controls Corp. has released the Pixel Hydro Control System. Part of the Pixel Control System Series, which already features AC and DC traction applications, the Hydro Control System features three points of access: from the machine room, on the car top and inside the cabin. It also has an enhanced LCD display and is CAN-bus serial-communication capable. Using the Landa™ Absolute Positioning System, the product can eliminate the need for individual floor-location targets and reduce the number of necessary mechanical hoistway limit switches to one. Landa’s stainless-steel encoded tape runs the length of the hoistway, allowing the car to be located to within 0.8 mm.

elevatorcontrols.com

  VVVF Hydraulic MRL System

ALGI has released the Eco Spin, a variable-voltage, variable-frequency (VVVF)-controlled hydraulic machine-room-less (MRL) elevator system. Intended for both new elevators and modernizations, the product’s drive is noted by ALGI to reduce energy consumption by up to 59%, oil warming by up to 54% and noise by up to 36%. It does not need a soft starter and uses less oil than many other passenger elevators. ALGI also promotes this compact unit as highly accurate and smooth riding. It can travel up to 19 m and be loaded up to 1000 kg.

www.algi-lift.de

Hydro Leveling System

The Reflex 3.14 from Vertitron Midwest, Inc. (VMI) is a patent-pending leveling system for use on passenger and freight hydraulic elevators. It is intended to reduce installation and floor-to-floor times by automatically adjusting slowdown distances for both oil temperature and load changes, thus also reducing energy consumption. It also monitors both oil temperature and current load in the elevator, and uses that information to calculate the exact slowdown distance every time the elevator leaves a floor. The ability to adapt the slowdown distances reduces stabilized leveling to 1 s.

Compatible with both VMI’s VHC-102 Hydraulic controllers and most existing controllers, the product uses an absolute encoder, which does not require slowdown magnets or tape guides. When used with VMI’s aforementioned controller, serial communications can be used to reduce the number of traveler wires required, equating to less wiring time. Additionally, this pairing includes a “Valve Setup” feature, wherein the Reflex 3.14 and VHC-102 calculate correct acceleration and deceleration curves. Direct feedback is obtained for proper adjustment to correct the current state.

www.vertitron.com

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