7.6.3 SINAMICS checksums
For each monitoring channel, the safety parameters include 2 parameters for the reference and
actual checksum.
During commissioning, the actual checksum must be transferred to the corresponding
parameter for the reference checksum. This can be done for all checksums of a drive object
simultaneously using parameter p9701 or using the corresponding function in the SINUMERIK
ONE Commissioning Tool.
● Basic Functions
● r9798
SI actual checksum SI parameters (Control Unit)
● p9799
SI reference checksum SI parameters (Control Unit)
● r9898
SI actual checksum SI parameters (Motor Module)
● p9899
SI reference checksum SI parameters (Motor Module)
● Extended Functions (contain also the following checksum parameters)
● r9398[0...1]
SI Motion actual checksum SI parameters (Motor Module)
● p9399[0...1]
SI Motion reference checksum SI parameters (Motor Module)
● r9728[0...2]
SI Motion actual checksum SI parameters
● p9729[0...2]
SI Motion reference checksum SI parameters
During each ramp-up procedure, the actual checksum is calculated via the Safety parameters
and then compared with the reference checksum.
If the actual and reference checksums are different, fault F01650/F30650 or F01680/F30680 is
output.
Diagnostics
7.6 Checksums
Safety Integrated (with SINAMICS S120)
Commissioning Manual, 02/2020, A5E46305916B AB 327
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