Siemens SIPART DR21

3 Functional description of the structure switches
3.5 Control algorithm
Manual
92
SIPART DR21
C73000-B7476-C143-08
z
S20
x1
S15
x
2
y
n
y
a
S47
c6
Kp·c7
1)
i
P
tn
S2
P (S27)
Kp
S46
S46
0
AHItF
0/1/3
0 1
0 1
+ + +
-1
c6 z
y
o
YA, YE
y
o
=y
n
-(kp·c7·xd+c6·z)
Control structure
1 2
3
4
xd
p
1)
c7 in PI-operation = 1 c7 in P-operation 1 to 9.999 adjustable
-1 -1 -1
-1
vv tv
+
Output structures S2
+
p d
y
o
=y
n
-p
Input signal processing figure 3-1, page 49 and controller types S1
Figure 3-21 Block diagram controller structure