ABB ACQ80-04 User Manual

Program features 37
The pump cleaning sequence can have several positive and negative direction speed
steps in one cleaning sequence.
When the negative speed is not allowed, the drive ignores phases 1…4.
Note: Cleaning in a negative direction requires negative minimum speed/frequency in
parameter 30.11
Minimum speed / 30.13 Minimum frequency.
Normal operation
Time
1
2
3
4
5
6
7
8
9
10
Normal operation
2
34
5
6
7
8
9
83.20
83.20
The time from zero speed to 83.20 Cleaning speed step is considered as Time to zero speed.
Sequence Parameter Sequence Parameter
1 83.26 Time to zero-speed 6 83.25 Time to cleaning speed
2 83.25 Time to cleaning speed 7 83.27 Cleaning on time
3 83.27 Cleaning on time 8 83.26 Time to zero-speed
4 83.26 Time to zero-speed 9 83.28 Cleaning off time
5 83.26 Cleaning off time 10 83.25 Time to cleaning speed
ACQ80 FW.book Page 37 Thursday, February 14, 2019 11:33 AM

ABB ACQ80-04 Specifications

General

Brand	ABB
Model	ACQ80-04
Category	DC Drives
Language	English