Abstract: A portable power tool, wirelessly communicates with a stationary process control unit for exchange of operation parameter values, includes a housing with a battery powered motor connected to an output shaft, an on-board operation controller, and a wireless communication device in the form of a communication module. The communication module is received in a docking portion on the housing, and the docking portion and the communication module have matching electrical connectors. The communication module is one of a number of exchangeable communication modules all having identical electrical connectors for co-operation with the connection of the docking portion but which include communication devices for wireless communication according to different communication systems.

Abstract: An electric power tool has a housing with an electric motor and an onboard electronic operation control unit. The control unit includes at least one printed circuit board carrying a number of electronic components and is supported by two rigid metal bars. The metal bars form high capacity motor current leads as well as heat transferring devices. A support casing of a non-conducting material forms together with the circuit boards and the metal bars a subassembly to be mounted in the tool housing.