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Interlocking

Security apparatus for a control and the central control station or place of Service Switch points, signals and other equipment of the yard. It maintains the “security links” between the various devices. The various interlocking can be classified according to the technology that realizes the functional logic. So we have: the mechanical interlocking, the hydrodynamic Interlocking, the ‘Interlocking, the solid-state interlocking (computerized). The basic parts of an interlocking system are: the cabin organs, including maneuvering desk, the panel displays the status of yard equipment, the equipment constituting the operating logic (relay or computer), the power supply provided by uninterruptible equipment and reserves of energy (batteries); the yard equipment, the connecting cables between the cabin organs and the organs of yard equipment

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