| 摘要 |
The invention relates to an apparatus for checking an electrical drive (15) and/or a mechanical device which is associated with the drive (15) and is, in particular, an accessory or an actuating element. In this case, the drive (15) and/or the mechanical device have/has an associated unit (1) which has connections (C, U, L, I). A diagnosis module (2) can be connected to the connections (C, U, L, I). The invention provides for there to be a power supply device for the diagnosis module (2), which power supply device can be activated via at least one of the connections (Ul-Un) to the unit (1), or via an external signal.
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