ACS Tech80 SB1391 - Page 138

6-10 TUNING THE CONTROL LOOPS
SB1391 Hardware and Setup Guide - Document revision no. 1.14
+
+
22
2
4.1
ωω
ω
++ ss
*DA is a % of the maximum velocity required for
the application
Low pass filter
D23, D24, D25
+
-
D8
1/S
+
+
D7
Integrator +/-D9
1
Current
command
1
DA*
command
Velocity
feed forward
2
Velocity
command
3
Velocity
feedback
4
FIGURE 6-5 Velocity loop and filter