| 摘要 |
The device (1) has an opening formed at a side of a housing (19) for insertion of an electronic expansion module comprising a printed circuit board (5). The printed circuit board has contacts in a contact area for mechanical and electrical contacting of counter-contacts. A recess (10) is formed in the printed circuit board in such a manner that the inserted expansion module has no conducting connection with the device outside the contact area. The module is implemented as a Bluetooth interface, a USB adapter, or a configuration memory. Independent claims are also included for the following: (1) an expansion module for inserting into an electrical field device (2) a device comprising a electrical field device and an expansion module. |
