Samson 430 Series, Монтаж и эксплуатация

Страница: 36 / 78

36 EB 7030 EN
Connections
7 Connections
7.1 Pneumatic connections
The pneumatic connections on the bottom of
the device are designed as bores with
ISO 228/1-G
1 /
8
thread. Customary fittings
for tubing or plastic hoses can be used.
The supply air is dry as well as free of oil
and dust.
Read the maintenance instructions for up
-
stream pressure reducing stations.
Blow through all air pipes and hoses thor
-
oughly before connecting them.
The port/connection designations with the
code numbers are cast onto the bottom of
the housing. The adhesive label included
with the controller station can also be stuck
to the back of the housing.
38 Output y – Controller output signal to
actuate the control valve or positioner
8/9 Supply – Supply air 1.4 ±0.1 bar or 2
to 12 bar in version with supply pressure
regulator
27 Input w
ext
– External set point. Port
sealed in fixed set point controllers and open
for the connection of the external set point in
follower controllers
26 Input x – Controlled variable. Port sealed
in pressure and temperature controllers (con -
trolled variable measured by the transmitter
module).
Port open in controllers for standardized sig -
nals.
7.1.1 Connection examples
Fig. 19: Standard applications
NOTICE
!
26
MU
8/9
Z
Supply
y
0,2 ...1 bar
STR
STR
STR
x
0,2...1 bar
38
8/9
Z
Supply
y
0,2 ...1 bar
38
8/9
Z
Supply
y
0,2 ...1 bar
38
Temperature controller (with Type 3436)
Process fluid connection for
pressure measurement:
connection to pipelines,
pressure vessels etc.
MU = Transmitter
STR = Positioner