| 摘要 |
The invention relates to a control module arrangement ( 20 ) for a compressed air maintenance unit ( 14 ) constructed like a battery and a compressed air maintenance unit ( 14 ), which has several maintenance modules ( 23 - 25 ) in a row one after the other, such as, e.g., pressure regulators, filters, oilers, or the like, wherein the control module arrangement has a bus communications means for communicating with the maintenance modules ( 23 - 25 ) via an internal bus ( 37 ) of the maintenance unit. The control module arrangement has a diagnostic means ( 53 ) for communicating with an input/output device ( 40 ) of the maintenance unit ( 14 ), wherein the input/output device has a connection means ( 43 ) for connecting at least one diagnostic sensor ( 44 - 46 ) separate from the maintenance unit and/or at least one pneumatic compressed air influencing actuator ( 47 ) separate from the maintenance unit, wherein the control module arrangement can control the one or more compressed air influencing actuators via the input/output device and/or can receive diagnostic messages ( 48 ) from the one or more separate diagnostic sensors. The diagnostic means are constructed for generating diagnostic data ( 51 ) for a higher-order diagnostic device ( 18 ) for diagnosing at least one function of the compressed air maintenance unit with reference to diagnostic messages ( 48 ) of the one or more separate diagnostic sensors and/or the maintenance modules, so that the compressed air maintenance unit forms a diagnostic node.
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