An arrangement for monitoring the drive of an actuator includes an output-stage component which includes a counter. With the aid of the counter, the switch-on time of the actuator is determined. The determined switch-on time is made available to the microcomputer for diagnostic purposes.

SE REFIERE A COMPUESTOS CICLICOS FUSIONADOS DE FORMULA I DONDE G ES ARILO, HETEROCICLO, HETEROARILO OPCIONALMENTE SUSTITUIDO CON H, CN, R1R2NC=O, HOCR3R3', R1R1'P=O, ENTRE OTROS; E ES C=Z2, CR7R7', SO2, P=OR2; Z1 Y Z2 SON O, S, NH, NR6; A1 Y A2 SON CR7, N; Y ES J-J'-J"; J Y J" SON (CR7R7')n; n ES 0-3; J' ES UN ENLACE, O, S, SO, SO2, NH, NR6, NR1C0, CR7R7', C=CR8R8', R2P=O, OPOOR2, ENTRE OTROS; W E...

A collection of one or more microfluidic devices which together carry a plurality of microchannel structures each of which comprises a reaction microcavity ( 104 a-h) in which there is a solid phase with an immobilized affinity ligand L, characterized in that (i) the plurality is divided into sets of microchannel structures, and (ii) the affinity ligand L is directed to the same counterpart (binde...