Siemens SINUMERIK 840D sl Function Manual page 278

Data Description
8.1 Machine data for SINUMERIK 840D sl
36993
MD number
Default value: STRING
Change becomes effective after: Restart
Data type: STRING
Significance:
Special cases, errors,...
36994
MD number
Default value: 0
Change becomes effective after: Power ON
Data type: DWORD
Significance:
Special cases, errors,...
36995
MD number
Default value: 0
Change becomes effective after: Power ON
Data type: DWORD
Significance:
Special cases, errors,...
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SINUMERIK 840D sl/SINAMICS S120 SINUMERIK Safety Integrated (FBSI sl) – 03.2006 Edition
$MA_SAFE_CONFIG_CHANGE_DA TE[n]: n = 0...4
Date/time of the last change SI-NCK-MD
Min. input limit: –
Protection level: 7/–
Display data: Date and time of the last configuration change of safety-related NCK machine
data.
$MA_SAFE_PREV_CONFIG[n]: n = 0...6
Data, previous safety configuration
Min. input limit: 0
Protection level: 7/–
Buffer memory to save previous safety configuration data
Index[0]: Status flag bit of the change history
Index[1]: Previous value, function enable
Index[2]: Previous value, reference checksum
Index[3]: Last value, function enable before loading standard data
Index[4]: Last value, reference checksum before loading standard data
$MA_SAFE_STANDSTILL_POS
Standstill position
Min. input limit: –
Protection level: 0/0
The position at which the axis has currently stopped is displayed in this MD.
To be able to perform a plausibility check on the axis referencing when the control system
is powered-up the next time, the current axis position is permanently saved (in a
non-volatile fashion) when the following events take place:
– When safe operating stop (SBH) is selected
– Cyclically when SE/SN is active
Any manual changes to the MD are detected the next time that the control is powered-up
(plausibility check). A new user agreement is required after referencing.
Max. input limit: –
Units: –
Max. input limit: 4294967295
Units: –
Max. input limit: –
Units: –
© Siemens AG, 2006. All rights reserved
03.06