ABB ACS880 - Load Protection

Def / Type
FbEq 16b / 32b
DescriptionName / Range /
Selection
No.
Enables/Disables Underload and Overload protection
functions.
Load protection79
See section Underload and overload protection.
0.00% / real32Defines speed point 1 for the load curve.Load curve speed
point 1
79.01
10 = 1% / 100 = 1%Load curve speed point 1.0.00 ... 1200.00%
0.00% / real32Defines speed point 2 for the load curve.Load curve speed
point 2
79.02
10 = 1% / 100 = 1%Load curve speed point 2.0.00 ... 1200.00%
0.00% / real32Defines speed point 3 for the load curve.Load curve speed
point 3
79.03
10 = 1% / 100 = 1%Load curve speed point 3.0.00 ... 1200.00%
0.00% / real32Defines speed point 4 for the load curve.Load curve speed
point 4
79.04
10 = 1% / 100 = 1%Load curve speed point 4.0.00 ... 1200.00%
0.00% / real32Defines speed point 5 for the load curve.Load curve speed
point 5
79.05
10 = 1% / 100 = 1%Load curve speed point 5.0.00 ... 1200.00%
100.00% / real32Defines speed scale value for the corresponding
underload and overload limit calculation in case user
Load limit speed
scale
79.09
chooses to use Linear or Quadratic predefined load
curve shape.
This can be used together with parameter 79.13
Underload limit and 79.43 Overload limit.
10 = 1% / 100 = 1%Load limit speed scale.0.00 ... 1200.00%
ESP CW bit 7 / unit32Defines source for underload protection enable signal.
For further information, see section Underload ride
through recovery sequence.
Underload
protection enable
79.10
0Underload protection enable signal is inactive.Not selected
1Underload protection enable signal is active.Selected
2Digital input DI1 (10.2 DI delayed status, bit 0).DI1
3Digital input DI2 (10.2 DI delayed status, bit 1).DI2
4Digital input DI3 (10.2 DI delayed status, bit 2).DI3
5Digital input DI4 (10.2 DI delayed status, bit 3).DI4
6Digital input DI5 (10.2 DI delayed status, bit 4).DI5
7Digital input DI6 (10.2 DI delayed status, bit 5).DI6
10Digital input/output DIO1 (11.2 DIO delayed status, bit
0).
DIO1
11Digital input/output DIO2 (11.2 DIO delayed status, bit
1).
DIO2
12Parameter 74.1 ESP control word (page 519), bit 7 status
controls enable/disable status of the function.
ESP CW bit 7
See Terms and abbreviations (page 169).Other [bit]
Parameters 537