Secure remote maintenance device and method for remote maintenance of industrial equipment

摘要

The present invention relates toIndustrial equipmentU2Regarding a housing (30) for managing access to an industrial network (10) to which U3 is connectedManagement housing (30): is a channel (30a) for access to an internet type data network;A channel (30a) for access to the data network comprises a cut-off unitChannel (30a);A channel (30b) for controlling a channel (30a) for access to the data network;The control channelTo allow communication between an industrial network and a data networkA controller (31) configured to control a cut-off unit (33);Cutoff unitA cut-off relay which can be activated by a control signal transmitted in the controllerA channel (30b) is provided.