Use The Test Terminal - Emerson Rosemount 5408 Reference Manual

Service and Troubleshooting
5.
6.
7.4.4

Use the TEST terminal

WARNING!
Verify that the installation is consistent with the appropriate hazardous locations certifications
when the instrument used for loop current measurement is connected.
For Explosion-proof/Flameproof and Non-Incendive/Type n installations, the cover must not be
opened in an explosive atmosphere.
Note
Blue plug must only be disconnected during loop current measurement procedure. To meet the
stated EMC specification during normal operation, the blue plug must be plugged in.
Procedure
1.
2.
3.
108
Measure the loop current.
To end loop test, select Cancel (ABORT on Field Communicator).
Turn the jam screw clockwise until it is completely threaded into the housing.
Remove the cover.
Remove the blue plug from the TEST terminal.
H2.5 mm
Reference Manual