Siemens SINUMERIK 840D sl Function Manual page 330
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- Function manual (2184 pages) ,
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- Commissioning manual (1102 pages)
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Data Description
8.2 Parameters for SINAMICS S120
p9544
SI motion actual value comparison tolerance (referencing) (Control Unit)
Sets the tolerance in mm or Degrees to check the actual values after referenc-
ing (incremental encoder) or when powering–up (absolute encoder).
Unit:
Default value:
mm, inches,
0.01
degrees
See also: C01711 "SI motion: Defect in a monitoring channel".
p9546
SI motion SSM (SGA n < nx) speed limit n_x (CU)
Sets the speed limit for the SSM feedback signal (n < n_x) to identify zero
speed.
If this limit value is fallen below, the signal "SSM feedback signal active" (SGA
n < n_x) is set.
Caution: After the set threshold value is fallen below, the "safety acceleration
monitor" function (SBR) is switched out
Unit:
Default value:
mm/min
20
RPM
p9548
SI motion SBR actual speed tolerance (Control Unit)
Sets the speed tolerance for the "safe acceleration monitoring" (SBR)
Unit:
Default value:
mm/min
300
RPM
See also: C01706 "SI motion: Safe acceleration monitoring limit exceeded".
After initiating the safe acceleration monitoring (SBR) for the stop responses STOP
B and STOP C, the actual velocity plus the tolerance value parameterized in p9548
may not exceed the actual speed sensed in the last monitoring clock cycle. If
p9548 > 0, then the value converted into the internal format is limited to greater
than or equal to 1.
p9549
SI motion slip speed tolerance (Control Unit)
Sets the velocity tolerance in mm/min or rpm, that is used for a 2–encoder
system in a crosswise comparison between the drive and control. If the actual
value synchronization is not enabled (p9501 3 = 0), then the value parameter-
ized in p9542 is used as tolerance in the crosswise data comparison.
Unit:
Default value:
mm/min
6
RPM
8-330
SINUMERIK 840D sl/SINAMICS S120 SINUMERIK Safety Integrated (FBSI sl) – 05.2008 Edition
Minimum value:
Maximum value:
0
36 mm or 36 de-
grees
Minimum value:
Maximum value:
0
1000 000
Minimum value:
Maximum value:
0
120 000
Minimum value:
Maximum value:
0
6000
Checksum:
Protection level:
Yes
4
Data type:
Effective:
REAL32
POWER ON
Checksum:
Protection level:
Yes
3
Data type:
Effective:
Floating point
POWER ON
Checksum:
Protection level:
Yes
3
Data type:
Effective:
Floating point
POWER ON
Checksum:
Protection level:
Yes
3
Data type:
Effective:
Floating point
POWER ON
© Siemens AG 2008 All Rights Reserved
05.08
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