Method for controlling a plurality of machines, control system and description

A control system for controlling a plurality of machines and at least a first assembly, wherein said plurality of machines comprises at least a first machine and a second machine, and said first assembly is associated with said first and said second machines and is configured to provide a first auxiliary function to said first and said second machines, the control system comprising:

• a first controller associated to said first machine, and is configured to control a main function of said first machine;
• and
• a second controller associated to said second machine, and is configured to control a main function of the second machine,
• wherein said first and said second controllers are further associated with said first assembly, and are further configured to control the first auxiliary function of said first assembly, and
• wherein said first and said second controllers are configured to maintain a dialog between each other to assure that only one of said first and said second controllers controls said first assembly at a time.

An oil or gas treating and/or distributing plant, comprising:

• a plurality of machines comprising at least a first machine and a second machine;
• a first assembly associated with said first and said second machines, and configured to provide a first auxiliary function to said first and said second machines;
• and
• a control system comprising at least a first controller and a second controller,
• wherein said first and said second controllers are associated respectively to said first and said second machines, and are configured to control respectively a main function of said first and said second machines,
• wherein said first and said second controllers are associated with said first assembly, and are configured to control a first auxiliary function of said first assembly, and
• wherein said first and said second controllers are configured to maintain a dialog between each other to assure that only one of the first and the second controllers controls said first assembly at a time.