Table 1-13: Results of an Unsuccessful Built-in Test
(continued)
Output
Result
BIT procedure
Performed every one minute
Manual built-in test
To intiate the built-in test manually, momentarily connect Terminal 3 to Terminal 2 (or a
switch across these terminals in a safe area).
The results of a successful and unsuccessful manual built-in test are listed in
.
Table 1-14: Results of a Successful Manual Built-in Test
Output
Result
Fault relay
•
Output configurations 1A, 2A, and 1R: remain CLOSED
(Normal).
•
Output configurations 3A and 2R: remain OPEN (Normal).
Alarm relay
Activated for three seconds (only when the function Alarm BIT is
set to YES).
Auxiliary relay
For output configurations 1R and 2R, is activated for three
seconds (only when the function Auxiliary BIT is set to YES).
0-20 mA output
Output configurations 1A, 2A, and 3A:
•
Initiates 20 mA only when the function Alarm BIT is set to
YES.
•
Initiates 16 mA when the function Auxiliary BIT is set to YES
and the function Alarm BIT is set to NO.
Power LED
Green, flashing, 1 Hz
Table 1-15: Results of an Unsuccessful Manual Built-in Test
Output
Result
Fault relay
•
Output configurations 1A, 2A, and 1R: change to OPEN.
•
Output configurations 3A and 2R: change to CLOSED.
0-20 mA output
Output configurations 1A, 2A, and 3A: indicates BIT Fault (2 mA)
Power LED
Yellow, flashing, 4 Hz
Manual built-in test only selected
The built-in test is initiated manually by momentarily selecting
Terminal Number 3
with
Terminal Number 2
or a switch across these terminals in a safe area.
Introduction
Reference Manual
August 2019
00809-0100-4975
24
Emerson.com/Rosemount