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A01508 alarm in siemens S120 Drive

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Cause : Interconnections to inactive objects exceeded comes when the maximum number of BICO interconnections (signal sinks) when de-activating a drive object was exceeded.

When de-activating a drive object, all BICO interconnections (signal sinks) are listed in the following parameters:

- r9498[0...29]: List of the BI/CI parameters involved.
- r9499[0...29]: List of the associated BO/CO parameters

The alarm automatically disappears as soon as no BICO interconnection (value = 0) is entered in r9498[29] and r9499[29].

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