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SPX advanced – description of parameters
SPX ADVANCED APPLICATION MANUAL
SVCH0203—October 2017 www.eaton.com
Code
ID
Description
Notes
P1.9.2
656
Load drooping time “LoaddroopingTime”
This function is used in order to achieve a dynamic speed drooping because of
changing load. The parameter defines the time during which the speed is restored to
the level it was before the load increase.
Torque
Actual speed
[rpm]
P1.9.3
1534
Load drooping removal “LoadDroopRemoval”
This function defines how load drooping is removed with reference to speed. It is
used in lifting situations when it is necessary to keep to load at the same position
without closing the brake. When using option ‘Normal’ the load will slowly come down
depending on load and the drooping factor.
Normal
0 Load Drooping factor is constant through the whole speed range.
Removed below zero frequency limit
1 Load drooping is removed linearly below the zero frequency limit (defined in G2.6.4
Freq. Handling).
Load
Drooping
Zero Freq.
Limit
Freq. Out
