Double Fixed Setpoint/Follow-Up Controller - Siemens SIPART DR22 Manual

1 Technical Description
1.5 Functional description of the structure switches
1.5.4 Controller types (S1, S49 to S53)
1.5.4.13 S1=12:
At S1=12, 2 independently operating controllers with fixed setpoint/follow-up controller function
are available. With the Shift key the operating and display levels are switched completely
between the two controllers.
wiI
w I
es
SES
w
SL
w
SL
w I
EA
FE2
FE1
xI
FE4
z
wiII
w II
es
SES
w
SL
w
SL
w
II
EA
FE8
FE3
xII
FE7
z
Figure 1-47 Principle representation S1 = 12 double controller
86

Double fixed setpoint/follow-up controller

Controller 1
0000
wI
wiI
tS
INT∧CB(I)
w I
I
E
I
x
Controller 2
0000
wII
wiII
tS
INT∧CB(II)
w II
II E
II
x
0000
xI
y
w
+
y +c6 · z
P I D
a
--
x
0000
xII
y
w
+
y +c7 · z
P I D
a
--
x
SIPART DR22 6DR2210
C79000-G7476-C154-03
Manual
000
H
yI
000
H
yII