Coreplus Stability

Coreplus Stability

Product catalog summary
Technical Specifications
GH CRANES' CORE+ Stability system enhances load stability at higher speeds through bi-directional communication between CORE+ and Variable Frequency Drives (VFDs) for hoisting, trolley travel, and crane travel. The system connects via CANopen fieldbus and is upgradable via a USB port. It requires VFDs for all movements and a hoisting motor encoder but does not rely on expensive sensors, making it maintenance-free. The system uses open-loop control and automatically disconnects at low speeds to facilitate load positioning.
System Operation
The CORE+ Stability system operates through a continuous cycle: receiving inputs from VFDs, processing them with a built-in algorithm to determine optimal acceleration and deceleration rates, and instructing the VFDs on movement execution. This cycle enhances stability during both trolley and crane travel, effectively reducing sway caused by acceleration and braking.
Features and Advantages
The system is equipped with a touch-screen for easy configuration and monitoring of crane operations, including power consumption and system faults. It is designed for easy retrofitting to existing cranes, with the CORE+ unit mounted on the electrical panel door. The primary advantages include increased productivity and safety through higher speed and better accuracy, and reduced operator hassle as the system automatically minimizes sway.
Key Inputs
CORE+ Stability continuously receives inputs from VFDs, including operator commands for acceleration and deceleration, actual speeds of hoisting, trolley, and crane travel, and the vertical position of the hook as indicated by the hoisting motor encoder.
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Catalog excerpts

Coreplus Stability-1

STABILITY An effective system to keep the load more stable at higher speeds GH’S SOLUTION: CORE+ STABILITY •Effective for both trolley travel and crane travel. •Effective to reduce sway due to both acceleration and braking. •Touch-screen: Easy configuration and crane monitoring (power consumption, alarms, system faults). •Easy to retrofit existing cranes. The CORE+ unit is affixed to the electrical panel door. Higher speed + Better accuracy = Increased Productivity and Safety. Hassle-free for operator: System reduces sway automatically. 1/ Inputs from VFDs. CORE+ STABILITY continuously receives following inputs from VFDs: • Commands from operator (accelerate / decelerate). • Actual speeds (hoisting, trolley travel and crane travel). • Vertical position of hook (given by the hoisting motor encoder). 1/ Inputs from VFDs 2/ Built-in exclusive Algorithm Algorithm determines, based on above inputs, optimal acceleration / deceleration rates. Core+ Stability instructs VFDs how to perform the movement. TECHNICAL DETAILS Bi-directional communication between CORE+ and the VFDs for hoisting, trolley travel and crane travel. Connection via CANopen fieldbus. Software is Upgradable via included USB port. - Requires VFDs for all 3 movements, and hoisting motor encoder. - Does not require expensive or failure-prone sensors. Maintenance-free. - Open-loop control: will not detect / correct sway due to external factors. - Automatically disconnects at low-speed motion to ease load positioning. System can be easily connected/disconnected (using touchscreen or optional remote control). GH CRANES continuously improves its products, and therefore reserves the right to change this document. Last revi

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