The 400T/150T overhead cranes and 200T/50T overhead cranes of Nantong Hyosung Transformer Co., Ltd. (South Korea)

This system is controlled by Siemens S7 – 300 series PLC. All mechanisms are speed – regulated by Yaskawa G7B frequency converters. The hoisting mechanism adopts closed – loop control. The PLC controls the whole machine through the (Profibus – DP) communication mode. The whole machine operates stably, with simple wiring, convenient maintenance and a low failure rate, which has won high praise from customers.

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Feihua Wireless Intelligent Crane Control System

This control system employs two sets of Siemens PLCs, and Mitsubishi frequency converters are used for each mechanism. Absolute encoders are installed on each mechanism, and a Siemens touch screen is set on the operating console. Wireless data transmission is…

Complete electrical control system for Jiangmen Hengda pipe piles

In this system, each mechanism is equipped with Yaskawa frequency converters and is controlled from the driver’s cab. It comes with multiple types of fixture systems. The electrical control system features simple wiring, and it is safe and reliable. The…

Complete electrical control system for Linhang Logistics series

This control system adopts cam control and is equipped with various electrical protection functions for cranes. It is cost – effective, has a low failure rate, and is easy to maintain. This control system is applied in the Deqing Linhang…

Pakistan Nuclear Power Plant Project

The 75t/5t overhead crane in Pakistan was put into use in 1992. After years of operation, the original electrical control system became obsolete and could no longer meet the needs of the owner. At the owner’s request for renovation, Jianhuan…

Tianjin Port and Shipping 30t/15t + 30t/15t – 22.5m Double – Trolley Pipe Pile Crane

This system adopts a full – frequency conversion control mode. Each mechanism is equipped with Yaskawa frequency converters and uses switch – quantity control. The hoisting mechanism adopts closed – loop vector control. This equipment operates smoothly, features high production…

Electrical control system for the 1000t/h gantry bucket wheel machine in Datong, Qinghai

This system uses Schneider Premium – type PLC for the whole machine. Low – voltage electrical components are Schneider products, and ABB frequency converters are adopted. The movable beam hoisting mechanism uses the conventional method of rotor series frequency –…

Electrical control system for the QD40/10T overhead crane in Liuzhou Iron and Steel Group

This machine adopts a full – frequency – conversion AC speed – regulation scheme, and the Yaskawa G7 series frequency converters are selected. Among them, the main hoisting and auxiliary hoisting mechanisms adopt the closed – loop vector control mode.…

Electrical control system for the 200t/50t – 27m overhead crane of Jiangyin Chengte

The main mechanisms of this overhead crane include the main and auxiliary hoisting mechanisms, the main and auxiliary trolley mechanisms, and the gantry traveling mechanism. Among them, there are four main hoisting motors, with two in standby and two in…

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