Siemens SINUMERIK 840D sl Function Manual page 264

Data Description
8.1 Machine data for SINUMERIK 840D sl
36957
MD number
Default value: 0.1
Change becomes effective after: Power ON
Data type: DOUBLE
Significance:
Special cases, errors,...
36958
MD number
Default value: 40
Change becomes effective after: Power ON
Data type: DOUBLE
Significance:
corresponds with...
36960
MD number
Default value: 0
Change becomes effective after: Power ON
Data type: DOUBLE
Significance:
corresponds with...
8-264
SINUMERIK 840D sl/SINAMICS S120 SINUMERIK Safety Integrated (FBSI sl) – 03.2006 Edition
$MA_SAFE_PULSE_DIS_CHECK_TIME
Time to check pulse cancellation
Min. input limit: 0
Protection level: 7/2
This machine data specifies the time when, after pulse cancellation has been requested,
the pulses must be actually cancelled.
The time that elapses between setting the SGA "enable pulses" and detecting the SGE
"pulses cancelled status" may not exceed the time limit set in this data.
If this time is exceeded, a STOP A is initiated.
$MA_SAFE_ACCEPTANCE_TST_TIMEOUT
Time limit for the acceptance test duration
Min. input limit: 5
Protection level: 7/2
On the NCK side, a time limit can be entered for the duration of an acceptance test. If an
acceptance test takes longer than the time specified in MD 36958, then the NCK terminates
the test. The acceptance test status is set to zero on the NCK side. If the acceptance test
has been reset, SI power on alarms are again changed over from being able to be
acknowledged with a reset to being able to be acknowledged with power on. Alarm 27007
is deleted.
This MD is also used to limit the duration of an acceptance test SE. After the programmed
time has expired, the acceptance test SE is interrupted and Alarm 27008 is cleared. The
software limit positions are then again effective – the same as they are entered in the
machine data.
$MA_SAFE_STANDSTILL_VELO_TOL
Shutdown speed, pulse cancellation
Min. input limit: 0
Protection level: 7/2
When the axis/spindle speed drops below this limit, it is considered to be at a "standstill". In
the STOP B mode the pulses are then cancelled (as a result of the transition to STOP A).
MD 36956: $MA_SAFE_PULSE_DISABLE_DELAY
Max. input limit: 10
Units: s
Max. input limit: 100
Units: s
Max. input limit: 6 000
Units: mm/min, rev/min
© Siemens AG, 2006. All rights reserved
03.06