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Page 63
TTFM 6.1 Transit Time Flow Meter
POWER INPUT OPTION
9-32VDC
TTFM 6.1 Flow Meters 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.
CONNECTIONS:
POWER INPUT: Connect 9-32VDC to the + and - terminals. The Power Input GND terminal must be
connected to the nearest Ground pole. A 1 amp fuse in line is recommended.
NO
C
NC
NO
C
NC
–
+
4-20mA
RLY2
RLY1
DC
GND
N
C
C
N
O
N
C
C
N
O
N
C
C
N
O
N
C
C
N
O
RLY3
RLY4
RLY5
RLY6
EXTRA RELAYS OPTION
SENSOR
GND
SENSOR
D
o
w
n
s
tr
e
a
m
U
p
s
tr
e
a
m
T
D
R
1
G
N
D
G
N
D
T
D
R
2
POWER
INPUT
9-32 VDC
+ -
SERIAL COMMUNICATION OPTION
RS-485
Output
+ G
Summary of Contents for TTFM 6.1
Page 2: ...Note This page has been left blank intentionally ...
Page 5: ...Page 5 TTFM 6 1 Transit Time Flow Meter 100 240 VAC Meter CONNECTIONS ...
Page 27: ...Page 27 TTFM 6 1 Transit Time Flow Meter TYPICAL SENSOR INSTALLATION ...
Page 53: ...Page 53 TTFM 6 1 Transit Time Flow Meter SENSOR MOUNTING COUPLING RECOMMENDATIONS ...