Siemens Sinumerik 840D sl Function Manual page 762

Diagnostics
10.3 Safety messages for SINAMICS S120
F01680
Response for A:
Acknowledgment
Explanation
Remedy
C01681
Response for A:
Acknowledgment
Explanation
Remedy
10-762
SINUMERIK 840D sl/SINAMICS S120 SINUMERIK Safety Integrated (FBSI sl) - - 10.2015 Edition
SI Motion P1 (CU): Checksum error safe monitoring functions
OFF2
IMMEDIATELY (POWER ON)
The actual checksum calculated by the drive and entered into r9728
over the safety--related parameters does not match the reference
checksum in p9729 saved when the machine was accepted the last
time. Safety--relevant parameters have been changed or there is a
fault.
Note:
This fault results in a STOP A that cannot be acknowledged.
Fault value (r0949, interpret decimal):
0: Checksum error for SI parameters for motion monitoring
1: Checksum error for SI parameters for actual values
2: Checksum error for SI parameters for component assignment
Check the safety--related parameters and if required correct.
-- Execute the "Copy RAM to ROM" function.
-- Perform a POWER ON if safety parameters have been changed
that require a POWER ON.
-- Carry out an acceptance test.
SI Motion P1 (CU): Incorrect parameter value
NONE
IMMEDIATELY (POWER ON)
The parameter value may not be parameterized with this value.
Note:
This fault does not result in a safety stop response.
Fault value (r0949, interpret decimal):
Parameter number with the incorrect value
A detailed parameter description is provided in the SINAMICS
S120/S150 List Manual
Correct the parameter value.
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10/15