Buffer For Faults And Alarms - Siemens sinamics dcp Operating Instructions Manual

Operation
8.14 Diagnostics
Acknowledging faults
The list of faults and alarms specifies how each fault is acknowledged after the cause has
been remedied.
1. Acknowledgment of faults with "POWER ON"
– Switch the drive unit on/off (POWER ON).
2. Acknowledgment of faults with "IMMEDIATE"
– Via PROFIBUS control signal
– Via external input signal
3. Acknowledgment of faults with "PULSE INHIBIT"
– The fault can only be acknowledged with a pulse inhibit (r0899.11 = 0).
– The same options are available for acknowledging as described under
Note
The SINAMICS DCP cannot resume operation until all active faults have been
acknowledged.
8.14.3.2

Buffer for faults and alarms

Note
A fault buffer and an alarm buffer are provided for each drive object. The specific messages
are entered in these buffers for this object.
The contents of the fault buffer are saved to the non-volatile memory when the Control Unit
is powered down, i.e. the fault buffer history is still available when the device is powered up
again.
252
STW1.7 (reset fault memory): 0/1 edge
Set STW1.0 (ON/OFF1) = "0" and "1"
Binector input and interconnection with digital input
p2103 = "Requested signal source"
p2104 = "Requested signal source"
p2105 = "Requested signal source"
Across all of the drive objects (DO) of a Control Unit
p2102 = "Requested signal source"
acknowledgment with IMMEDIATE.
Operating Instructions, 05/2016, A5E34382853K
SINAMICS DCP