Enviro Alert EA800, Installation & Owner'S Manual, Page: 30 / 98

26 D-011-0152
Connecting Wired 4-20mA Sensors
Connecting Wired 4-20mA Sensors
1.
Make certain the sensor's wiring is passed through the opening in the mounting plate.
2.
Remove the adapter from the correct input connector headers by pulling the adapter up and off of the circuit
board header connectors.
3.
Strip the ends of each of the sensor's wires as indicated by the gauge on adapter you just removed.
4.
Insert the stripped wire ends into screw terminals of the adapter as indicated by your EA800 Wiring Diagram
you completed in the preparation phase. Observe proper polarity. See Figure 15.
Figure 16 EA800 Base Unit Wired 4-20mA Sensor Connections
5.
Secure the connections using the setscrews on the adapter. Check the connection by lightly pulling on each
connection.
6.
After connecting the wire ends to the adapter, align the adapter to the correct header pins as indicated by your
EA800 Wiring Diagram, and press the adapter fully onto the header connector pins.
4-20mA Sensors
(3-wire)
EA800 Base
Unit Powered
External
Adapter
Powered
J6
Input N
User
supplied
cable
4-20mA
Transmitter
Connector
NC
J5
Aux Power Out
EA800 Base Unit
J6
Input N
User
supplied
cable
NC
J5
Aux Power Out
External
Power
Adapter
EA800 Base Unit
4-20mA
Transmitter
Connector
4-20mA
Output
4-20mA
Output
4-20mA Sensors
(2-wire)
J6
Input N
User
supplied
cable
4-20mA
Transmitter
Connector
NC
J5
Aux Power Out
EA800 Base Unit
J6
Input N
User
supplied
cable
NC
J5
Aux Power Out
External
Power
Adapter
EA800 Base Unit
4-20mA
Transmitter
Connector
4-20mA
Output
4-20mA
Output
4-20mA Sensors
(4-wire)
J6
Input N
User
supplied
cable
4-20mA
Transmitter
Connector
NC
J5
Aux Power Out
EA800 Base Unit
J6
Input N
User
supplied
cable
NC
J5
Aux Power Out
External
Power
Adapter
EA800 Base Unit
4-20mA
Transmitter
Connector