Abstract: A device for determining a dimension of a tool having a cutting edge includes a first light source configured to emit light parallel to a first axis, an image sensor which is associatable with a second axis extending orthogonally to the image sensor and an analyzing unit. The first axis and the second axis are inclined relative to each other. The device is configured such that the light emitted from the first light source is reflectable by the cutting edge of the tool in such a way that light spots arranged in a line on the image sensor are generatable by the reflected light. The analyzing unit is configured to determine positions of the light spots. The dimension of the tool is determinable based on the positions of the light spots.

Abstract: A system and a method for the use of services within at least one communication network with internet mechanisms and at least one automation system, as well as a service access unit to connect an automation system to a communication network. A system is proposed for the improved use of services within at least one communication network with internet mechanisms and at least one automation system, with components of the automation system being coupled together by a conventional field bus, with a service access unit being provided to connect the conventional field bus to the communication network, with the service access unit being provided as client for the services provided in the communication network and with the service access unit having a transformation unit, provided to adapt a first communication protocol of the services to a second communication protocol of the field bus.