Group 20.3 Accel/Decel - ABB ACH 500 Series Programming Manual

Chapter 6 – Parameters
Group 20.3
Accel/Decel
1 ACC/DEC 1OR2 SEL
2 ACC/DEC
RAMP SHAPE
6-20
These parameter values can be altered with the ACH 500 running, except
those marked with (O). The Range/Unit column in Table 6-12 shows
parameter values. The text following the table explains parameter values in
detail.
Table 6-12 Group 20.3
Parameter
1 ACC/DEC 1OR2 SEL (O)
2 ACC/DEC RAMP SHAPE
3 ACCEL TIME 1
4 DECEL TIME 1
5 ACCEL TIME 2
6 DECEL TIME 2
7 ACCEL REF2 TIME
8 DECEL REF2 TIME
This parameter defines which Digital Input (1 – 6) is used to select the
Acceleration/Deceleration Ramp used. 0 V DC equals Acc/Dec Time 1, 24 V
DC equals Acc/Dec Time 2.
This parameter allows you to select the shape of the acceleration/deceleration
ramp. The available options are:
LINEAR
Suitable for drives requiring steady acceleration/deceleration and/or slow
ramps.
S1 SHAPE
Suitable for ramp times less than one second.
S2 SHAPE
Suitable for ramp times less than 1.5 seconds.
S3 SHAPE
Suitable for ramp times up to 15 seconds.
Figure 6-5 shows acceleration and deceleration ramp shapes.
Range/Unit
Not Sel/ Acceleration/Deceleration ramp
DI1–DI6 selection.
Linear/S1 – S3 Accel./Decel. ramp shape selection.
0.1 – 1800s Time for output frequency min. to
max. acceleration ramp 1.
0.1 – 1800s Time for output frequency max. to
min. deceleration ramp 1.
0.1 – 1800s Time for output frequency min. to
max. acceleration ramp 2.
0.1 – 1800s Time for output frequency max. to
min. deceleration ramp 2.
0.1 – 1800s Ref2 acceleration ramp time for
0 – 100%.
0.1 – 1800s Ref2 deceleration ramp time for
100 – 0%.
ACH 500 Programming Manual
Description