ABB ACS880 - Page 541

Def / Type
FbEq 16b / 32b
DescriptionName / Range /
Selection
No.
30.00 s / real32Defines acceleration time setting used when URT
recovery sequence is active.
Recovery acc time79.35
1 = 1 s / 100 = 1 sRecovery acceleration time.0.00 ... 30000.00 s
30.00 s / real32Defines deceleration time setting used when URT
recovery sequence is active.
Recovery dec time79.36
1 = 1 s / 100 = 1 sRecovery deceleration time.0.00 ... 30000.00 s
- / real32Defines the number of underload ride through recovery
attempts.
Recovery attempt
limit
79.37
1 = 1 / -Recovery attempt limit.1...100
ESP CW bit 8 / unit32Defines source for overload protection enable signal.
For further information, see Overload recovery
sequence.
Overload protection
enable
79.40
0Overload protection enable function is not selected.Not selected
1Overload protection enable function is selected.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 8 status
controls enable/disable status of the function.
ESP CW bit 8
See Terms and abbreviations (page 169).Other [bit]
Fixed limit / unit32Selects the type of limit used for overload supervision.
The user has option to choose either a fixed limit, a
curve of a predefined shape or plot a custom curve as
a function of motor speed.
Overload limit type79.41
0Fixed limit is a constant value for all the speeds.Fixed limit
1Overload limit is calculated by formula:
I
lim
= I
set
* (F
act
/ F
max
)
Where,
I
lim
= 79.90 Overload actual limit
I
set
= 79.43 Overload limit
F
max
= 79.09 Load limit speed scale
F
act
= Actual speed
Linear
Parameters 541