ABB ACS880 Firmware Manual page 354

354 Parameters
No. Name / Range /
Selection
0.000 ... 1800.000 s
28.73 Freq deceleration
time 1
0.000 ... 1800.000 s
28.74 Freq acceleration
time 2
0.000 ... 1800.000 s
28.75 Freq deceleration
time 2
0.000 ... 1800.000 s
28.76 Freq ramp in zero
source
Active
Inactive
DI1
DI2
DI3
DI4
DI5
DI6
DIO1
DIO2
Other [bit]
28.77 Freq ramp hold
Active
Inactive
DI1
Description
Acceleration time 1.
Defines deceleration time 1 as the time required for
the frequency to change from the frequency defined
by parameter 46.2 Frequency scaling
parameter 30.14 Maximum
If there is any doubt about the deceleration time being
too short, ensure that DC overvoltage control
Overvoltage control) is on.
Note: If a short deceleration time is needed for a high
inertia application, the drive should be equipped with
braking equipment such as a brake chopper and brake
resistor.
Deceleration time 1.
Defines acceleration time 2. See parameter
acceleration time 1.
Acceleration time 2.
Defines deceleration time 2. See parameter
deceleration time 1.
Deceleration time 2.
Selects a source that forces the frequency reference
to zero.
0 = Force frequency reference to zero
1 = Normal operation
0.
1.
Digital input DI1 (10.2 DI delayed
Digital input DI2 (10.2 DI delayed
Digital input DI3 (10.2 DI delayed
Digital input DI4 (10.2 DI delayed
Digital input DI5 (10.2 DI delayed
Digital input DI6 (10.2 DI delayed
Digital input/output DIO1
0).
Digital input/output DIO2
1).
See Terms and abbreviations (page
Selects a source that forces the output of the frequency
ramp generator to actual frequency value.
0 = Force ramp output to actual frequency
1 = Normal operation
0.
1.
Digital input DI1 (10.2 DI delayed
(not from
frequency) to zero.
(30.30
28.72 Freq
28.73 Freq
status, bit 0).
status, bit 1).
status, bit 2).
status, bit 3).
status, bit 4).
status, bit 5).
(11.2 DIO delayed status, bit
(11.2 DIO delayed status, bit
169).
status, bit 0).
Def / Type
FbEq 16b / 32b
10 = 1 s / 1000 = 1 s
20.000 s / real32
10 = 1 s / 1000 = 1 s
60.000 s / real32
10 = 1 s / 1000 = 1 s
60.000 s / real32
10 = 1 s / 1000 = 1 s
Inactive / uint32
0
1
2
3
4
5
6
7
10
11
Inactive / uint32
0
1
2