Sls With Speed Below The Monitored Speed - ABB ACS880 Series Manual
Safely-limited speed with the encoder interface (option +q965)
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Also See for ACS880 Series:
- Firmware manual (764 pages) ,
- Manual (646 pages) ,
- Quick start up manual (146 pages)
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18 Option description
SLS with speed below the monitored speed
This time scheme diagram illustrates the operation of the SLS function. The motor speed
is below the monitored speed when the user activates the SLS function.
Motor speed
A
B
D
1
2
A
Safety function response time
B
SLS1 limit positive (parameter 200.23)
C
SLS1 trip limit positive (parameter SLSx.14)
D
Zero speed with encoder (parameter FSOGEN.52). Relevant only if 2b occurs.
2b
3b
C
3
Time
SLS request
SLS status &
indication
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