Samson 3430 Operating Instructions Manual page 13

1.5 1.41
1
y w
2.1
2
2.2
Type 3432 with Type 3435 Transmitter for Pressure
1.5 1.2 1.4 1.3
x
1
y
w
Z
Type 3431 and 3432 for pneumatic standardized signals
1 Controller station
1.2 Scale
1.3 Actual value display with pointer,
gear mechanism and bellows
measuring system
1.4 Set point adjuster with pointer,
gear mechanism and set point (1.41),
set point display only for follower
controllers
1.5 Signal pressure display
Fig. 6 · Principle of operation of controllers
1.2 1.4 1.3 3
x w
R
w
PI
z
P
y
A
P PI /
PID
S
x
y
Z
3
w
R
w
z PI
P
y
A
P PI /
S
PID
x
x
1.8 Differential pressure indicator
1.9 Supply pressure regulator
2
2.1 Bourdon tube meas. system
2.2 Pneumatic servo system
2.3 Temperature sensor
2.4 Beam
2.6 Feedback bellows
1.5 1.41
1
w
2.4
2.6
Z
2.3
Type 3432 with Type 3436 Transmitter for Temperature
1.8 1.41
y y
H A
S
1.6
1.5
w
1.7
y
H
4
Z
1
1.9
P
B
Type 3432 with manual/automatic switch (1.6),
supply pressure regulator (1.9) and i/p converter
for smooth manual/automatic
switchover
Transmitter module
Principle of operation
1.2 1.4 1.3 3
x w
R
w
PI
z
P
y
A
P PI /
PID
S
x
y
2.9 2.8
1.2 1.4 1.3 3
x w
R
w
PI
z
P
y
A
P PI /
S
PID
x
x
x y
2.7 Flapper
2.8 Nozzle
2.9 Restriction
3 Controller module
4 Type 6112 i/p Converter
 Z = Supply pressure 1.4 bar
P = Output pressure
A
P = Compressed air network
B
EB 7030 EN
2.7
13