Siemens SINUMERIK 840D sl Function Manual page 240
Sinumerik safety integrated
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Data Description
8.1 Machine data for SINUMERIK 840D sl
10091
MD number
Default value: 0
Change becomes effective after: Power ON
Data type: DOUBLE
Significance:
corresponds with..
Additional references
10092
MD number
Default value: 0
Change becomes effective after: Power ON
Data type: DOUBLE
Significance:
corresponds with...
Additional references
10093
MD number
Default value: 0
Change becomes effective after: Power ON
Data type: DWORD
Significance:
Special cases, errors,...
8-240
SINUMERIK 840D sl/SINAMICS S120 SINUMERIK Safety Integrated (FBSI sl) – 03.2006 Edition
$MN_INFO_SAFETY_CYCLE_TIME
Display, monitoring clock cycle time
Min. input limit: –
Protective stage: 7/–
Display data: Displays the actually effective monitoring clock cycle. This data cannot be
written to.
The data value is always re-calculated as soon as one of the following data is changed:
SAFETY_SYSCLOCK_TIME_RA TIO
POSCTRL_SYSCLOCK_TIME_RA TIO
SYSCLOCK_CYCLE_TIME
MD 10090: $MN_SAFETY_SYSCLOCK_TIME_RATIO
See Section 5.1, "Monitoring clock cycle", Section 5.2 "Crosswise data comparison"
$MN_INFO_CROSSCHECK_CYCLE_TIME
Displays the clock cycle time for a crosswise data comparison
Min. input limit: –
Protection level: (L/S): 7/–
Display data: Crosswise data comparison in seconds. This is obtained from
INFO_SAFETY_CYCLE_TIME and the number of data to be compared crosswise.
The data value is always re-calculated as soon as one of the following data is changed:
SAFETY_SYSCLOCK_TIME_RA TIO
POSCTRL_SYSCLOCK_TIME_RA TIO
SYSCLOCK_CYCLE_TIME
The new value only becomes effective after power on.
MD 10090: $MN_SAFETY_SYSCLOCK_TIME_RATIO
MD 36992: $MA_SAFE_CROSSCHECK_CYCLE
See Section 5.1, "Monitoring clock cycle", Section 5.2 "Crosswise data comparison"
$MN_INFO_NUM_SAFE_FILE_ACCESS
Number of SPL file access operations
Min. input limit: –
Protection level: 2/–
Display data: SPL file /_N_CST_DIR/_N_SAFE_SPF has been accessed n-times in the
protected state. This MD is only used for service purposes. The value of the MD can only
be 0 or 1. The value cannot be changed.
Max. input limit:
Units: s
Max. input limit:
Units: s
Max. input limit:
Units:
© Siemens AG, 2006. All rights reserved
03.06
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