Safety Plc Alarms - Siemens SINUMERIK 840D sl Function Manual

F30706 SI Motion P2: SAM/SBR limit exceeded
Response NONE
Acknowledg‐ IMMEDIATELY (POWER ON)
ment
Explanation After the initiation of STOP B (SS1) or STOP C (SS2), the speed has exceeded the selected tolerance value.
The drive is stopped with message C30700 "SI Motion P2: STOP A initiated".
Remedy Check the braking behavior and if required, adapt the parameterization of the "SAM" or "SBR" function.
This message can only be acknowledged in the acceptance test mode without POWER ON via PROFIsafe.
11.4

Safety PLC alarms

400253 PLC-STOP due to an SPL system error
Explanation After an interruption in the communications between NCK and PLC regarding the SPL crosswise data com‐
parison, the PLC was switched into the STOP state with a delay of 5 s.
Response Alarm display
Remedy Do not start the SPL anymore. Check the system components (PLC must have the correct version of FB15
and have DB18).
Program con‐ Remove the error. Switch control system OFF and ON again.
tinuation
400254 Checksum error occurred: %1 parameter: %1 = reference to the code section or table
Explanation Checksum error in safety-related code or safety-related data. The safety monitoring functions (Safety Inte‐
grated) in the PLC could be corrupted.
Response Alarm display
Remedy Switch off the control and switch on again. If this fault occurs again, contact the service department. In
addition perform a general reset for NC, PLC and reload the archive.
Program con‐ Switch control system OFF and ON again.
tinuation
400551 Error on the MPI/DP bus
Explanation I/O bus error detected
Response Alarm display
Remedy Check the I/O, resolve I/O errors
Program con‐ Internal
tinuation
400552 Error on the DP bus
Explanation I/O bus error detected
Response Alarm display
Safety Integrated
Function Manual, 12/2017, 6FC5397-4BP40-6BA1
Diagnostics
11.4 Safety PLC alarms
745