Ft420 Display And Propor Tional Feed, Ft420 & 4-20 Ma Output, Fs30 Flow Switch - Seametrics EX80 Series Instructions Manual

connEctionS DiagramS
Ft420 DiSPlay anD ProPortional FEED
+
Power
_
+
Forward Output
_
Reverse Output
(Option-15 only)
EX SERIES
*See Dual FT420 Diagram for an
example of bidirectional connections.
Ft420 DiSPlay anD 4-20 ma outPut
+
Power
_
+
Forward Output
_
Reverse Output
(Option-15 only)
EX SERIES
*See Dual FT420 Diagram for an
example of bidirectional connections.
FS30 FloW SWitcH
0 0
FREqUENCY
Alarm
Relay
output
*See Dual FT420 Diagram for an
example of bidirectional connections.
_
24 Vdc Power
_
24 Vdc Power
_
4-20 mA
FS30
0 0 0 0
0 0
nc
com
+
Power
_
no
Sensor
S
+
Sensor
Input
+
S
_
+
_
Power
4-20mA
+
Sensor
Input
+
S
_
+
_
Power
+
4-20mA
+
24 Vdc Power
FT420
Pulse
Scaled
Proportional
+
_
+
_
Pulse
Pass-Thru
FT420
Pulse
Scaled
+
_
+
_
Pulse
Pass-Thru
_
EX SERIES
+
Power
_
+
_ Forward Output
Reverse Output
(Option-15 only)
To
Feed
Metering
Pump
Page 7