A01324 — Topology: Dummy drive object number incorrectly created

A01324 (Topology: Dummy drive object number incorrectly created) is raised when the list of the drive objects p0978 contains a dummy drive object number (255) at a position where the topology configuration does not allow it: in p0978, dummy drive object numbers are only permitted in the first partial list. The alarm value pinpoints the entry — r2124, interpreted as a decimal number, contains the index of p0978 under which the illegal value is located.

• In p0978, a dummy drive object number (255) has been entered at an index that does not belong to the first partial list — dummy drive object numbers are only permitted in the first partial list of p0978.

1. Set p0009 to 1 and then change p0978 so that the list satisfies all of the rules below.
2. p0978 must include all of the drive object numbers (p0101).
3. No drive object number may be entered twice.
4. By entering a 0, the drive objects with PZD are separated from those without PZD.
5. Only 2 partial lists are permitted; after the second 0, all values must be 0.
6. Place every dummy drive object number (255) in the first partial list — nowhere else.

• Alarm value (r2124, interpret decimal): index of p0978 under which the illegal value is located.
• Read r2124 as a decimal number to find the position in p0978 that must be corrected.

• p0978 — list of the drive objects: this is the list to correct, so that the dummy number 255 stands only in the first partial list.
• p0009 — device commissioning parameter filter: set it to 1 so that p0978 can be changed.
• p0101 — drive object numbers: p0978 must include every number from this list, without repetition.
• r2124 — alarm value: read it as a decimal to get the index of p0978 where the illegal entry sits.

This alarm only signals a faulty configuration and does not trip the drive, and it does not have to be acknowledged: once p0978 has been corrected to satisfy the rules above, the alarm is withdrawn.