Connections For Ft430-139 Or Ft440-139 -115Vac Option; Ft440/3-Wire Mechanical/Dual Scaled Pulse Output - Seametrics FT430 Instructions Manual

CONNECTION DIAGRAMS
Connections for FT430-139 or FT440-139 —115Vac Option
Dashed line shows (-) terminal connection
if 4-20mA device is not used (e.g. FT430)
_
_
+ +
_
+
FT430/FT440
Connecting the ENDG terminal to earth ground is
recommended for protection against voltage spikes
Also see '* EGND - Additional protection against
voltage spikes' on page 8
Connections for FT440/3-wire Mechanical/ Dual Scaled Pulse Out
_
Connecting the
Loop Power
ENDG terminal to
_
earth ground is
recommended for
protection against
voltage spikes or
lightning.
Also see '* EGND -
Additional protection
against voltage
spikes' on page 8
Flow
Sensor
Seametrics • 253.872.0284
+
_
+
_
+
or lightning.
+
4-20mA
Device
9-30 Vdc
Supply
+
GROUND
BLACK
WHITE
RED
_
4-20mA
Device
BLACK
L
WHITE
N
GREEN
G
FT430-139
FT440-139
(Dual Power Supply)
Lower Housing
FT440
_
_
+
+
_
_
S
+
+
Page 9
FT430/440/450 INSTRUCTIONS
12V
Device
_
+
12Vdc
_
+ _
24Vdc
+
To 115/230Vac
Power Source
_ _
+
+
_
_
+
+
Electronic
Metering Pumps
seametrics.com