
3. If the controller is a terminating device on the bus, set the EOL switch to ON. If the controller is not a terminating
device on the bus, set the EOL switch to Off.
When a field controller is connected to power with its EOL switch set to ON, the amber EOL LED on the controller
cover is lit.
Setting the Input and Output Jumpers
Binary Output (BO) Source Power Selection Jumpers
Risk of Electric Shock:
Disconnect supply power to the controller before attempting to adjust the Binary Output
Source Power Selection Jumpers. Failure to disconnect the supply power may result in electric shock.
Mise En Garde: Risque de décharge électrique:
Débrancher l'alimentation de l'controller avant tout réglage du
Binary Output Source Power Selection Jumpers. Le non-respect de cette précaution risque de provoquer une
décharge électrique.
Important:
Do
not
connect an external power source to a BO when the BO power source jumper is in the internal
power (INT) position. Connecting external power to a BO that sources internal power can damage the
controller and void any warranties.
The BO source power selection jumpers determine whether a BO provides internal power (sourced from the controller)
to the output load (INT position) or requires an external power source (EXT position) for the output load.
Figure 12
shows an example of a controller BOs and the associated power selection jumpers to the right of the BOs terminal
block.
Figure 12: Example Binary Outputs and the Associated Source Power Jumper Positions
Universal Input Current Loop Jumpers
The Universal Input (UI) current loop fail-safe jumpers are on the circuit board under the controller cover near the
UI terminals (
Figure 10
). When a UI is defined (in the system software) as a 4–20 mA Analog Input and the UI’s
current loop jumper is in the Disabled (default) position (
Figure 13
), the 4–20 mA current loop circuit opens whenever
power to the controller is interrupted or off.
23
FEC1611 and FEC1621 Field Equipment Controller Installation Instructions