Emerson Rosemount 3410 Series Maintenance And Troubleshooting Manual page 76

Meter repairs
January 2024
4. Use a Phillips-head screwdriver and remove the four backplane board screws from
5. Pull the backplane board out of the enclosure. This disconnects the IS barrier board.
6. Plug the new power supply board and the IS barrier board into the backplane board.
7. Insert the backplane, IS 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 flathead screwdriver and install the terminal blocks on the CPU module,
10. Recheck the connections, wiring, and switch settings before replacing the endcaps.
11. If replacing other electronics, continue with before replacing the endcaps and
12. If you are not replacing other electronics, replace the transmitter electronics
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the enclosure standoffs. If the local display module is installed on the backplane,
use a flathead screwdriver and install the four flathead screws into the enclosure
standoffs.
Figure 3-29: 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
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).
enclosure and fully seat the CPU module and optional I/O module.
If the local display module is installed on the backplane, use a flathead screwdriver
and install the four flathead screws into the enclosure standoffs.
optional I/O module, IS barrier board, and the power supply.
sealing the enclosure.
enclosure endcaps and install the endcap security latches (3 mm Allen wrench
required).
Maintenance and Troubleshooting Manual
Emerson.com/Rosemount
00809-0600-3104