10
TN4FCXA2
j
-EDF-
E
Connection terminal block
THE CONSTITUENT ELEMENTS
2
General
Electronic unit
Designation
Description
Measuring cell
Measures the differential, effective or absolute pressure.
Transmitter set
Converts the measurement into a 4/20mA signal.
Bleed valve
Allows the measuring chamber to be bled.
(Caution when using it at high pressure.)
Connection mechanism
Enables connection to the piping
Electrical connection
Inlet of the power supply cable or specific socket for EDF
Zero adjustment
Adjusts the zero (see paragraph 7) (Do not use in nuclear power plants)
Designation
Description
Connector for the analogue display
Used to connect the analogue indicator.
Connector of the digital display
Used to connect the digital indicator.
Indicator (option)
Gives a local, digital or analogue indication of the output signal.
Symbol
Description
+, -
Power cable connection
CK+, CK-
Used to check the value of the analogue output signal, or to connect an analogue indicator.
Earthing terminal
I
Vent/drain
plug
External adjustment
screw
Detecting unit
Electronics
unit
Process connection
Analog indicator
connector
Digital indicator
connector
Amplifier unit
(Digital)
(Analog)
Indicator
%
0
20
40 60 80
100
Terminal unit
CK+
CK–
+
–
FLX
OUT
DISP
ZERO
SPAN
abs
%