The electro-mechanical, self-locking die clamping system PSP ...VLE/PSV/AS-I is designed for clamping dies of different widths on press slides. The clamping systems are controlled decentrally and individually in each clamping system. Each local clamp control system communicates with the forming machine control system via the AS-I BUS. The clamping actuator automatically moves into the T-groove of the press slide between the park position and the respective die. The electro-mechanical clamping system clamps the die and switches off automatically on reaching the clamping force.