372 Configuration
constant even if the scaling value is decreased further. Zero speed value is less than
the 25 rpm and has no effect to the trip limit scaling.
Example 3 (with encoder):
• Original SLS4 limit 100 rpm
• Original SLS4 trip limit 110 rpm
• Zero speed value 3 rpm
In this example, the difference between original SLS4 and SLS4 trip limits is greater
than 5 rpm. SLS4 limit and trip limit are scaled down normally from 100% to 50%.
When the scaling value is 50%, the difference between the limits is 5 rpm and it stays
A Scaled SLS4 trip limit
BScaled SLS4 limit
C Zero speed value FSOGEN.51
D The difference between SLS4 limits is 50 rpm when the scaling value is 100%
E The difference between the scaled SLS4 limits is 25 rpm if the scaling value is 50% or
less
Speed
Scaling value (%)
100
0
50
A
B
C
D
75 25
E
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