Moniteur 50 Series SMART Positioners - Manual (Page 28)

Design and Method of Operation
2-10
Positioner SIPART PS2/SIPART PS2 PA
C79000-G7476-C150–01
down
Outlet air
Inlet air
Y1 Y2
Y2
3V
24V
3V
24V
" dy
#
A
D
A
D
3V
J
U
BE1–
BE1+
BE1
#
#
3V
BE2
3V
y
x=y
A2
A1
62
61
52
51
42
41
32
31
12
11
21 22
manometer block
1
J +
A
D
J
w–
J
w–
J
w+
E
H–
E
H–
E
H+
w
Basic instrument
9.2 V
40 Ω
J
y
module
Alarm module
up
1.5 k Ω
U
2
5
4
3
6
7
8
9
10
HART
module
E
Setpoint
Actual value
Positioning
increments
Piezoelectic
pre–control
4/3 way valve
Positioning
pressure Y1
Positioning
pressure Y2
Y1
138
PZ
8
Option
Fig. 2-9 Block diagram for double-acting actuators (2-wire operation, state as supplied), devices with-
out PROFIBUS PA