Grab ship unloader is the key equipment for industry of port, power plant, metallurgy and chemicals to handle the bulk such as coal, mine, food and chemical fertilizer. This kind of electrical control system depends on import before.

HITE Company focuses on automation of large hoisting equipment. The advanced semi-auto bridge-type grab ship unloader auto-control system is developed by HITE on the basis of large amount of engineering practice and learning international advanced techniques, which gets widely applied and positive comments.

Main specification

Productivity: 600t/h, 800t/h, 1200t/h, 1500t/h

Semi-auto Cycle of operation: ≤50s

Position synchronous precision: ≤0.3%

Load balance precision: ≤2%

Auto control system structure

Motor: DC motor/inverter-fed motor

Full digital AC/DC speed regulator: ABB/Schneider/Siemens/GE/YASKAMA

PLC:  ABB/Schneider/Siemens/GE/

Self-developed grab and specialized semi-auto intelligent control software package are loaded

Network: Modbus / Modbus Plus / Profibus-DP / Ethernet

Upper computer monitoring: touch screen/industrial PC, self-developed ship unloader graphical monitoring and management software package are loaded.