Emerson Rosemount 3410 Series Maintenance And Troubleshooting Manual page 84

Meter repairs
April 2022
5. Pull the Backplane board out of the enclosure. This disconnects the I.S. Barrier
6. Plug the new Power Supply board and the I.S. Barrier Board onto the Backplane
7. Insert the Backplane, I.S. Barrier board and the Power Supply Board into the
8. Attach the Backplane to the enclosure standoffs with the four Phillips head screws.
9. Use a flat blade screw driver and install the terminal blocks on the CPU Module,
10. Recheck the connections, wiring and switch settings before replacing the end caps.
11. If replacing other electronics, continue with Acquisition Module replacement before
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use a flat blade screw driver and install the four flat-head screws into the enclosure
standoffs.
Figure 3-28: Power Supply board replacement
A. Non-terminal end of Transmitter Electronics Enclosure
B. Power Supply board
C. I.S. Barrier board (inside the Guide Plate)
D. Acquisition cable
E. Backplane board
Board. Lay the Backplane board down with the Acquisition Cable still attached (the
Power Supply board may remain attached to the Backplane when you remove it
from the enclosure).
Board.
enclosure and fully seat the CPU Module and Optional I/O Module.
If the Local Display Module is installed on the Backplane, use a flat blade screw
driver and install the four flat-head screws into the enclosure standoffs.
Optional I/O Module, I.S. Barrier Board and the Power Supply.
replacing the end caps and sealing the enclosure.
Maintenance and Troubleshooting manual
Emerson.com/Rosemount
00809-0200-3104