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Parameters 255
Defines the low limit for critical frequency 3.
Note:
This value must be less than or equal to the value of
0.00 Hz
-500.00 … 500.00
Hz
Low limit for critical frequency 3.
See par.
Defines the high limit for critical frequency 3.
Note:
This value must be greater than or equal to the value of
.
0.00 Hz
-500.00 … 500.00
Hz
High limit for critical frequency 3.
See par.
Selects a source that switches between the two sets of
acceleration/deceleration times defined by parameters
…
.
0 = Acceleration time 1 and deceleration time 1 are in force
1 = Acceleration time 2 and deceleration time 2 are in force
Acc/Dec time 1
0.
0
Acc/Dec time 2
1.
1
DI1
Digital input DI1 (
, bit 0).
2
DI2
Digital input DI2 (
, bit 1).
3
DI3
Digital input DI3 (
, bit 2).
4
DI4
Digital input DI4 (
, bit 3).
5
DI5
Digital input DI5 (
, bit 4).
6
DI6
Digital input DI6 (
, bit 5).
7
DIO1
Digital input/output DIO1 (
, bit 0).
10
DIO2
Digital input/output DIO2 (
, bit 1).
11
Source selection (see
). -
Defines acceleration time 1 as the time required for the
frequency to change from zero to the frequency defined by
parameter
(
not
to parameter
).
If the reference increases faster than the set acceleration rate,
the motor will follow the acceleration rate.
If the reference increases slower than the set acceleration
rate, the motor frequency will follow the reference.
If the acceleration time is set too short, the drive will
automatically prolong the acceleration in order not to exceed
the drive torque limits.
20.000 s
0.000 … 1800.000
s
Acceleration time 1.
10 = 1 s
Defines deceleration time 1 as the time required for the
frequency to change from the frequency defined by parameter
(
not
) to zero.
If there is any doubt about the deceleration time being too
short, ensure that DC 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.
20.000 s
0.000 … 1800.000
s
Deceleration time 1.
10 = 1 s
No.
Name/Value
Description
Def
/
FbEq16
Summary of Contents for ACS880-x04
Page 1: ... ABB INDUSTRIAL DRIVES ACS880 primary control program Firmware manual ...
Page 4: ......
Page 18: ...18 Using the control panel ...
Page 24: ...24 Control locations and operating modes ...
Page 112: ...112 Application macros ...
Page 496: ...496 Additional parameter data ...
Page 544: ...544 Fault tracing ...
Page 602: ...602 Control chain diagrams ...