3. Intended use
The pressure transmitter turns the input pressure into an output electrical signal. The electrical signal changes in
proportion to the input pressure level.
4. Electrical connections
EN 175301-803 Form A
EN 175301-803 Form C
M12x1 Wire
Output
Output signal:
4...20 mA
N° of wires:
2
A out
A
2
+V in
4
White
Brown
A out
A
+V in
Charge (Ohm):
R
L
– (V
in
-10)/0,02
Input +Vin:
10…30
3
1
+V in
1 3
2
A out
A
Screen
EN 175301-803 Form A
EN 175301-803 Form C
M12x1 Wire
Output
+V in
Output signal:
0…5 Vdc 0…10 Vdc
-V in
Green
-V in
N° of wires:
3 3
2
White V out
V
Charge (Ohm):
min.
10Kohm
3
V out
V
1
4
V out
1 3
V
2
Brown
Screen
+V in
Input +Vin:
8…30 14…30
+V in
-V in
The transmitter metal case should always be connected to ground through the process connection thread in order to
protect it from disturbances due to electromagnetic fields or electrostatic charges.
If it wouldn’t be possible to do so connect the transmitter to ground through the connector and the cable screen.
5. Installation
Before installing electrical instrument safely and securely into a plant or a system the user should verify the instrument
suitability to the plant characteristics and the correct installation. After installation the user should verify that the
instrument is not exposed to any source of heat exceeding the established ambient limits.
Secure the instrument thread through a special key/wrench on the process connection hexagon without grasping the
case by the hands.
Secure the instrument thread through a special key/wrench on the process connection hexagon (20…30Nm). The
correct torque depends on the type of process connection and the type of seal used (form and material).
If the connection thread is conical the instrument is tightened through a simple screwing on the plug. In order to
improve the thread tightness it is recommended to place a PTFE layer on the male thread.
If the instrument is equipped with a fluid diaphragm seal the connection should be clamped on the diaphragm
otherwise the calibration could be compromised.
Instruments showing
symbol.
Instruments with process connection DIN 11851 must be installed with special adapter SKS.
Instruments with process connection ISO 2853 (IDF/ISS) must be installed using gaskets with supporting ring
according to the above mentioned standard.
Connector Assembling EN 175301-803 Form A
Disassemble the connector as in fig.1 and connect the cable as in fig.2.
Reassemble the connector and fix it on the transmitter.
3
min.
10Kohm
