ABB ACS 600 Supplement To Firmware Manual page 16

Chapter 3 – Operation
3-4
Example 1:
20.01 MINIMUM SPEED = 0 rpm
20.02 MAXIMUM SPEED = 1000 rpm
Master Reference
20.02 MAXIMUM SPEED
(1000 rpm)
20.01 MINIMUM SPEED
(0 rpm)
Example 2:
20.01 MINIMUM SPEED = –1500 rpm
20.02 MAXIMUM SPEED = 3000 rpm
Master Reference
20.02 MAXIMUM SPEED
(3000 rpm)
1500 rpm
0 rpm
20.01 MINIMUM SPEED
(-1500 rpm)
Example 3:
20.01 MINIMUM SPEED = –5000 rpm
20.02 MAXIMUM SPEED = 2500 rpm
Master Reference
20.02 MAXIMUM SPEED
(2500 rpm)
0 rpm
-2500 rpm
20.01 MINIMUM SPEED
(-5000 rpm)
Figure 3-1 Relation between the speed references of the Master and
the Follower.
Reference 1 Follower Reference
11.05 EXT REF1 MAXIMUM
20000
rpm
0 0 rpm
Reference 1 Follower Reference
20000 11.05 EXT REF1 MAXIMUM
rpm
10000
0 0 rpm
-10000
-20000 –(11.05 EXT REF1 MAXIMUM)
rpm
Reference 1 Follower Reference
20000 11.05 EXT REF1 MAXIMUM
rpm
10000
0 rpm
0
-10000
–(11.05 EXT REF1 MAXIMUM)
-20000
rpm
ACS 600 Master/Follower Application Macro