Siemens SIPART DR19 - Page 84

SIPART DR19
84 C73000-B7474-C140-06
Block Diagram Quick Reference
Controller Type S1=3, 4, 5
S1 = 3 Ratio controller
S1 = 4 Control station/process variable indicator
S1 = 5 Program controller, program set station
wvi
INT ^ CB
0000
wv
wES
0000
xv
vist =
x
1
x2
PID
yH
y
ya
w
x
xd
+
-
x3/wEA
2, 3
S93
0, 1
w = v x2 + c5
x1 - c5
x2
v = wv (vE - vA) + vA
wi
INT ^ CB
0000
x1
wES
0000
w
x1
yH
y
w
x
xd
+
-
wEA
2, 3
S93
0, 1
w
E = c4 we + c5
-Dw
+Dw
INT ^ CB
8, 9
U
I
S57
2, 3
-Dw
+Dw
AO
H
0000
w
0000
x
x = x1 + c1 (x2 - c2 x3 + c3)
x1
x2
PID
yH
y
ya
w
x
xd
+
-
A
U
I
AO
S57
2, 3
x3
wi1
INT ^ CB
Reset
Clb1
Clb6
INT ^ A
wp
A = H N Si
:
.