System for storing products, comprising: - a number of racks extending parallel to each other, wherein each rack is provided with storage positions for products located next to and above each other; - a guide system comprising longitudinal guides (V, 2', 3', 4') extending in aisles between adjacent racks, and horizontal transverse guides extending transversely to the longitudinal guides as well as junctions (1", 2", 3", 4") at positions where at least one longitudinal guide and at least one transverse guide connect; - carriages capable of autonomously travelling over the longitudinal guides, transverse guides and junctions for placing products in and/or taking products out the storage positions; - a central control unit arranged for digitally releasing and locking of longitudinal guides and for controlling the autonomous carriages solely over the released longitudinal guides, wherein the system further comprises: - a number of vertically located work areas per aisle, wherein each work area comprises a number of height levels, wherein each height level includes horizontally disposed longitudinal guides and is associated with one horizontal layer of storage positions for the products located next to each other; - identification means , near end faces of the racks, present at the work areas, for uniquely identifying the longitudinal guides of each work area; characterised in that the system further comprises - at least one portable wireless reading device in communication with the central control unit for reading out the identification means and for communicating read out identification means to the central control unit, wherein the central control unit is further arranged for digitally locking of longitudinal guides identified with an identification means, communicated by a portable wireless reading device. - a number of racks extending parallel to each other, wherein each rack is provided with storage positions for products located next to and above each other; - a guide system comprising longitudinal guides (V, 2', 3', 4') extending in aisles between adjacent racks, and horizontal transverse guides extending transversely to the longitudinal guides as well as junctions (1", 2", 3", 4") at positions where at least one longitudinal guide and at least one transverse guide connect; - carriages capable of autonomously travelling over the longitudinal guides, transverse guides and junctions for placing products in and/or taking products out the storage positions; - a central control unit arranged for digitally releasing and locking of longitudinal guides and for controlling the autonomous carriages solely over the released longitudinal guides, - a number of vertically located work areas per aisle, wherein each work area comprises a number of height levels, wherein each height level includes horizontally disposed longitudinal guides and is associated with one horizontal layer of storage positions for the products located next to each other; - identification means , near end faces of the racks, present at the work areas, for uniquely identifying the longitudinal guides of each work area; characterised in that the system further comprises - at least one portable wireless reading device in communication with the central control unit for reading out the identification means and for communicating read out identification means to the central control unit, <EOS>