Siemens SINAMICS Series Operating Instructions Manual page 660

Descriptions of functions
10.35 CPU time load with SINAMICS DCM
Note
When the time load of the CUD is too high (r9976[1] >100%), fault F60099 (in extreme
cases F01205) is output (time slice overflow). In such a case, the drive needs to be
switched off and then back on again (POWER OFF / POWER ON).
The CPU time load must be taken into consideration when configuring and commissioning
the SINAMICS DCM.
Table 10- 80 Additional CPU time load as a result of optional components
Component
AOP30 via PPI
1 TM31
2 TM31
3 TM31
1 TM15
2 TM15
3 TM15
1 TM150
2 TM150
3 TM150
1 SMC10, SMC30
1 CBE20
Internal encoder (p50083 = 2)
Parallel interface
Peer-to-peer
Calculating the thyristor blocking voltage
Is supported by the CCP
Memory card inserted
Technology controller
Free function blocks
DCC
658
WARNING
Exceeding the CPU time load
At a CPU time load of >100% on r9976[1], the correct functioning of the drive is no
longer ensured.
• Ensure that the CPU time load remains below 100%.
Additional CPU time load
+4%
+4%
+5%
+6%
+1%
+1.5%
+2%
+1%
+1.5%
+2%
+2%
+1%
+2%
+4%
+4%
+4.5%
+3.5%
+1%
+1.5%
Depending on the number of free function blocks
being used and their runtime groups, see Chapter
"Free function blocks (Page 661)"
Depending on the number of DCC blocks being
used and their runtime groups, see Chapter
"Drive Control Chart (DCC) (Page 663)"
SINAMICS DCM DC Converter
Operating Instructions, 12/2018, A5E34763375A