Seametrics EX800-Series - Manual (Page 9)

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CONNECTIONS DIAGRAMS
Reverse Output
(Option-15)
Reverse Output
(Option-15 only)
FT420 DISPLAY AND PROPORTIONAL FEED
Sensor
Input
Power
Forward Output
Power
Forward Output
EX SERIES
EX SERIES
4-20 mA Device
(e.g. pump, PLC)
24 Vdc
Power
24 Vdc Power
Power
4-20mA
Pulse
Scaled
Pulse
Pass-Thru
To
Proportional
Feed
Metering
Pump
Sensor
Input
Power
4-20mA
Pulse
Scaled
Pulse
Pass-Thru
FT420 DISPLAY AND 4-20 mA OUTPUT
FT420
FT420
*See Dual FT420 Diagram for an
example of bidirectional connections.
*See Dual FT420 Diagram for an
example of bidirectional connections.
24 Vdc
Power
Reverse Output
(Option-15 only)
EX SERIES
DUAL FT420 DISPLAYS
(Example of Bidirectional Connection)
Power
Forward Output
Sensor
Input
*
Power 4-20mA
Pulse
Scaled
Pulse
Pass-Thru
FT420 FT420
Sensor
Input
Power 4-20mA
Pulse
Scaled
Pulse
Pass-Thru
Page 7
*
*
*Requires 12-24 Vdc power source.
Re
d
Re
d
Black
Green
White
Black
Red
Black
Black
Red
Green
White
Red
Red
Black
Green
White
Green
White