Emerson Rosemount 3814 - 3.8 Sealing the unit

• Power Supply (P/N 1-360-03-003)
• Backplane Board (P/N 1-360-03-07)
The Rosemount 3810 Series Ultrasonic Flow Meter Base Enclosure consists of the
following:
• Acquisition Module (P/N 1-360-03-013)
• Acquisition Cable (P/N 1-360-01-595)
Should the Rosemount 3810 Series Ultrasonic Flow Meter require disassembly in
the field (i.e., check boards, change switch settings, or replace boards), to prevent
electrostatic damage to the electronic boards, always use a ground strap while
handling the circuit boards. If one is not available, make sure you are electrically
discharged before touching the boards by first touching a metal surface such as a
ground lug on the meter or a table.
Figure 3-20: Transmitter electronics
A. Backplane board location
B. Terminal end of Transmitter Electronics Enclosure
C. End cap security latch
D. Base enclosure with Acquisition Module
3.5.1
Replace CPU Module or optional I/O Module
Procedure
1. Remove power to the meter.
2. Refer to Figure 3-5 for the tools required to complete this procedure.
3. Disconnect security seals on the Transmitter Electronics Enclosure (see
Figure 3-6), loosen the end cap security latches using a 3 mm Allen wrench
(see Figure 3-20 and remove both end caps from the Transmitter Electronics
Enclosure.
Meter maintenance Maintenance and Troubleshooting Manual
January2023 00809-0100-3814
62 Emerson.com/Rosemount