Control Systems

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The controls division at Qualter Hall offers electrical, electronic, hydraulic and pneumatic systems.

Our in house capabilities include:

  • Electrical¬†control systems and equipment
  • Hydraulic control systems and equipment
  • Pneumatic control systems and equipment
  • Programmable logic controller systems
  • Computer based supervisory systems
  • Provision of power distribution equipment
  • Motor controls and AC / DC drive equipment
  • Associated plant monitoring and control equipment
  • Plant and machine cabling
  • Functional safety including control systems to BS EN 62061, BS EN ISO 13849 and BS EN 954-1, or international equivalents
  • Statutory international electrical and safety audits
  • Site supervision and training
  • Installation
  • After sales servicing

Further to the above for mining applications:

  • Electric drive systems - A/C and D/C 4 Quadrant regenerative drive systems can be provided for haulage and winder applications.
  • Hoisting & shaft control systems - Fully integrated hoisting and shaft control systems can be provided. Designs range from simple relay control to high specification PLC based systems with full diagnostic facilities.
  • Shaft signalling systems - Qualter Hall design and supply shaft signalling systems, for conventional shafts, where the banksman controls the operations, or individual designs, tailored to suit the customers' own specification.
  • Hydraulic and pneumatic systems - Varying degrees of size and complexity of fluid power control systems are undertaken for the operation of winder braking and mine car handling plant.