SECURE REMOTE MAINTENANCE DEVICES AND METHOD, FOR REMOTE MAINTENANCE OF INDUSTRIAL EQUIPMENT

摘要

The invention relates to a box (30) for managing access to an industrial network (10), to which industrial equipment (U1, U2, U3) are connected, the box (30) for management comprising: - a channel ( 30a) for access to an Internet type data network, said channel (30a) for accessing the data network comprising a cut-off unit (33), - a channel (30b) for controlling the channel (30a) d 'access to the data network, said control channel (30a) comprising a controller (31) configured to control the cut-off unit (33) so as to allow communication between the industrial network and the data network, the unit switch comprising a cut-off relay which can be activated by means of a control signal from the controller (31).