Emerson Rosemount 3410 Series Maintenance And Troubleshooting Manual page 76

Meter repairs
April 2022
Figure 3-22: 3410 Series electronics
A. Terminal end of Transmitter Electronics Enclosure
B. Backplane board location
C. End cap security latch
D. Base enclosure with Acquisition Module
3.8.1 Replace CPU module or Optional I/O module
Procedure
1. Remove power to the meter.
2. Disconnect security seals on the Transmitter Electronics Enclosure (see
3. If replacing the CPU Module (terminal end of the enclosure) or the Optional I/O
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3-17), loosen the end cap security latches using a 3 mm Allen wrench (see
3-18) and remove both end caps from the Transmitter Electronics Enclosure.
Module, use a 6 mm flat blade screw driver and disconnect the CPU Module
terminal blocks (or the optional I/O Module terminal blocks).
Maintenance and Troubleshooting Manual
Emerson.com/Rosemount
00809-0600-3104
Figure
Figure