Safety Integrated Functions
8.5 Safety Integrated Extended Functions
Function Manual
404 Function Manual, 01/2011, 6SL3097-4AB10-0BP3
The messages must be acknowledged via the failsafe inputs F-DI or via PROFIsafe.
Properties of the message buffer:
● A new message case comprises one or more messages and is entered in the "Current
message case".
● The entries appear in the buffer according to the time at which they occurred.
● If a new message case occurs, the message buffer is reorganized accordingly. The
history is recorded in the data records "Acknowledged message case" 1 to 7.
● If the cause of at least one message in "Current message case" is rectified and
acknowledged, the message buffer is reorganized accordingly. Messages that have not
been rectified remain in "Current message case".
● If "Current message case" contains 8 messages and a new message for the current
message case is output, the message in the current message case parameters is
overwritten with the new message in index 7.
● r9744 is incremented each time the message buffer changes.
● A message value (r9749, r9753) can be output for a message. The message value is
used to diagnose the message more accurately (refer to the message description for
more details).
Deleting the message buffer:
The message buffer can be deleted as follows: p9752 = 0.
Parameter p9752 (SI message cases, counter) is also reset to 0 during POWER ON.
Overview of important parameters (see SINAMICS S110 List Manual)
● r2139.0...8 CO/BO: Status word, faults/alarms 1
● r9744 SI message buffer changes, counter
● r9745[0...63] SI component number
● r9750[0...63] SI diagnostic attributes
● p9752 SI message cases, counter
● r9747[0...63] SI message code
● r9748[0...63] SI message time received in milliseconds
● r9749[0...63] SI message value
● r9753[0...63] SI message value for float values
● r9754[0...63] SI message time received in days
● r9755[0...63] SI message time removed in milliseconds
● r9756[0...63] SI message time removed in days
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