Siemens SINUMERIK 840D sl Function Manual page 427
Sinumerik safety integrated
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03.06
Explanation
Response
Remedy
Program
continuation
27106
Parameter
Explanation
© Siemens AG, 2006. All rights reserved
SINUMERIK 840D sl/SINAMICS S120 SINUMERIK Safety Integrated (FBSI sl) – 03.2006 Edition
10.2 NCK safety alarms for Sinumerik 840D sl
In the crosswise comparison of result list 2 between the NCK and drive
monitoring channels, a difference was detected in the monitoring state
of the safe cam minus monitoring.
– Safe cam 1–: Bits 2, 3 in result list 2
– Safe cam 2–: Bits 6, 7 in result list 2
– Safe cam 3–: Bits 10, 11 in result list 2
– Safe cam 4–: Bits 14, 15 in result list 2
Monitoring state (%3, %4):
– OFF = monitoring inactive in this monitoring channel
– OK = monitoring active in this monitoring channel, limit values not
violated
– L+ = monitoring active in this monitoring channel, upper limit value
violated
– L– = monitoring active in this monitoring channel, lower limit value
violated
Alarm display
If a safety monitoring function was active (SBH, SG, SE, SN), then a
STOP B was also automatically initiated. It is necessary to power-down
the control and power it up again (power on).
Check that the safe actual values in both monitoring channels match.
For further diagnostics refer to the drive parameters r9711[0], r9711[1]
and the servo-trace signals "result list 2 NCK" and "result list 2 drive".
Clear the alarm with the RESET key. Restart the part program.
Axis %1, difference for the function safely-reduced speed n
NCK: %2, drive: %3
%1 = axis number
%2 = monitoring status, safely-reduced speed n
%3 = monitoring status, safely-reduced speed n
In the crosswise data comparison of result list 2 between the NCK and
drive monitoring channels, a difference was detected in the monitoring
state of the safely-reduced speed n
– Safely-reduced speed n
– Safely–reduced speed n
Monitoring state (%2, %3):
– OFF = monitoring inactive in this monitoring channel
– OK = monitoring active in this monitoring channel, limit values not
violated
– L+ = monitoring active in this monitoring channel, upper limit value
violated
– L– = monitoring active in this monitoring channel, lower limit value
violated
x
x
monitoring.
x
+: Bits 16, 17 in result list 2
x
–: Bits 18, 19 in result list 2
x
Diagnostics
,
x
10-427
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