P.
39
UFM-50 Doppler Flowmeter
POWER INPUT OPTION
9-32VDC
U
FM
-50
f
low
m
eters may be ordered factory-configured for 9-32VDC power input, or a 9-32VDC
Power Input card can be installed in the place of the 100-240VAC card in the field.
QUICK BENCH TEST:
Connect Sensor as shown below, then Power. Test operation of the
U
FM
-50
by holding the sensor in
one hand and rubbing your thumb or fingers briskly across the face (plastic surface) of the sensor.
Allow 15 seconds for the
U
FM
-50
to process the signal and display a flow value.
CONNECTIONS:
POWER INPUT: Connect 9-32VDC to the + and - terminals. The Power Input GND terminal must be
connected to the nearest Ground pole. A 1amp fuse in line is recommended.
DC
+ –
NO
C
NC
NO
C
NC
–
+
4-20mA
RLY2
RLY1
NC C NO
NC C NO
NC C NO
NC C NO
RLY3 RLY4 RLY5 RLY6
EXTRA RELAYS OPTION
SENSOR
GND
SERIAL COMMUNICATION OPTION
RS-485
Output
+ G
DC
GND
SENSOR
R
CV
R
G
N
D
G
N
D
TM
TR