Not limiting ourselves to just electrical works, when Grange Park Opera wanted to update their existing hydraulic revolve control system PTB provided a solution.
The masses of existing hydraulic hoses which were installed from sub stage to stage right were removed and replaced with speed and directional electronic proportional values fitted adjacent to the power pack sub stage, controlled via a Mitsubishi PLC and LED touch screen providing both automatic and manual control.
Encoders were fitted to both the inner and outer revolves enabling precise positioning to be achieved.
All you now have to do is ‘Push The Button’ operations manager Adrian Veale commented…