S + _ + _ + _ + + _ _ + _ + _ + _ s – Xylem EX100/200-Series ELECTROMAGNETIC FLOW SENSORS User Manual
Page 12
CONNECTIONS DIAGRAMS
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FT420 DISPLAY AND PROPORTIONAL FEED
Sensor
Input
Power
Forward Output
EX-SERIES
24 Vdc Power
Power
4-20mA
Pulse
Scaled
Pulse
Pass-Thru
To
Proportional
Feed
Metering
Pump
FT420 DISPLAY AND 4-20 mA OUTPUT
FT420
*See Dual FT420 Diagram for an
example of bidirectional connections.
*See Dual FT420 Diagram for an
example of bidirectional connections.
Page 10
Reverse Output
(Option-15 only)
EX-SERIES
DUAL FT420 DISPLAYS
(Example of Bidirectional Connection)
Power
Forward Output
Sensor
Input
24 Vdc
Power
Power 4-20mA
Pulse
Scaled
Pulse
Pass-Thru
FT420
FT420
Sensor
Input
Power 4-20mA
Pulse
Scaled
Pulse
Pass-Thru
Reverse Output
(Option-15 only)
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Reverse Output
(Option-15 only)
Power
Forward Output
EX SERIES
4-20 mA Device
(e.g. pump, PLC)
24 Vdc
Power
Sensor
Input
Power
4-20mA
Pulse
Scaled
Pulse
Pass-Thru
FT420
24 Vdc
Power