Dwyer EFS2 - Manual (Page 5)

connEctionS DiagramS
Page 6
connEctionS DiagramS
countEr or Plc
SEriES bat 4 to 20 ma outPut
Power
Forward Output
Reverse Output
(-RFO)
12 to 24 Vdc
Max. 6 mA, 30 VDC
Power
Forward Output
EFS2 SEriES
bat
SEriES EFS2
Sensor
4 to 20 mA
4 to 20 mA
24 VDC Power
Reverse Output
(-RFO)
+
–
Max. 6 mA 30 VDC
Reverse Output
(-RFO)
Reverse Output
(-RFO only)
rti DiSPlay anD ProPortional FEED
Sensor
Input
Power
Forward Output
Power
Forward Output
EFS2 SEriES
SEriES EFS2
4 to 20 ma Device
(e.g. pump, PLC)
24 VDC
Power
24 VDC Power
Power
4 to 20mA
Pulse
Scaled
Pulse
Pass-Thru
To
Proportional
Feed
Metering
Pump
Sensor
Input
Power
4 to 20mA
Pulse
Scaled
Pulse
Pass-Thru
rti DiSPlay anD 4 to 20 ma outPut
SEriES rti
SEriES rti
*See Dual RTI Diagram for an
example of bidirectional connections.
*See Dual RTI Diagram for an
example of bidirectional connections.
FREqUENCY
*See Dual RTI Diagram for an
example of bidirectional connections.
*See Dual RTI Diagram for an
example of bidirectional connections.
countEr or Plc
Digital inPut
24 Vdc
Power
24 VDC
Power
Reverse Output
(-RFO only)
SEriES EFS2
Dual SEriES rti DiSPlayS
(Example of bidirectional connection)
Power
Forward Output
Sensor
Input
*
Power 4 to 20mA
Pulse
Scaled
Pulse
Pass-Thru
SEriES rti
SEriES rti
Sensor
Input
Power 4 to 20mA
Pulse
Scaled
Pulse
Pass-Thru
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*
*
*Requires 12 to 24 Vdc power source.