Siemens SINUMERIK 840D sl Function Manual page 511

05.08
Response
Remedy
Program
continuation
27091
Parameter
Explanation
Response
Remedy
Program
continuation
© Siemens AG 2008 All Rights Reserved
SINUMERIK 840D sl/SINAMICS S120 SINUMERIK Safety Integrated (FBSI sl) – 05.2008 Edition
10.2 NCK safety alarms for SINUMERIK 840D sl
The display of Alarm 27090 can be influenced using the MD
$MN_SAFE_ALARM_SUPPRESS_LEVEL: MD
$MN_SAFE_ALARM_SUPPRESS_LEVEL = 2 : Alarm 27090 is only
displayed for the first data difference found.
Alarm display
A STOP D/E is initiated (this can be set using MD
$MN_SPL_STOP_MODE) on all of the axes with safety functionality if
the SPL commissioning phase (MD $MN_PREVENT_SYN-
ACT_LOCK[0,1] not equal to 0) has been completed.
Analyze the displayed value and evaluate DB18: SPL_DELTA on the
PLC side.
Find the difference between the monitoring channels.
Possible causes:
– Incorrect wiring
– Incorrect SPL
– The axial SGEs have been incorrectly assigned to the internal inter-
face $A_OUTSI
– The axial SGAs have been incorrectly assigned to the internal inter-
face $A_INSI
– Different SPL commissioning status has been set in the NCK and
PLC
– Different SPL stop response has been set in the NCK and PLC
Clear the alarm with the RESET key. Restart the part program.
Error in crosswise data comparison, NCK–PLC, STOP of %1
%1 = supplementary information about the monitoring channel that has
initiated the stop
The monitoring channel specified in %1 (NCK or PLC) has initiated a
STOP D or E (depending on the parameterization in MD
$MN_SAFE_SPL_STOP_MODE). Alarm 27090 provides additional
information about the reason for the Stop D/E.
Alarm display
A STOP D/E is initiated (this can be set using MD
$MN_SPL_STOP_MODE) on all of the axes with safety functionality if
the SPL commissioning phase (MD $MN_PREVENT_SYN-
ACT_LOCK[0,1] not equal to 0) has been completed.
Evaluate the alarm parameters of Alarm 27090 and correct the SPL, or
check the I/O modules/wiring or the internal SPL interfaces to the
safety monitoring channels in the NCK and drive.
Clear the alarm with the RESET key. Restart the part program.
Diagnostics
10-511