Emerson Rosemount 3410 Series Maintenance And Troubleshooting Manual page 79

Maintenance and Troubleshooting Manual
00809-0600-3104
5. Use a 3 mm flathead screwdriver and disconnect the Acquisition cable terminal
6. Remove the three Acquisition Module flathead screws and split lock washers.
7. Insert the new Acquisition Module into the Base Enclosure and secure with the three
8. Reattach the terminal blocks onto the Acquisition Module (3 mm flathead
9. When you have completed attaching the Transducer wire terminal blocks and the
10. Reattach the Transmitter Electronics Enclosure to the Base Enclosure with the two
11. Retighten or reattach the conduit to the Transmitter Electronics Enclosure using a
12. If required, install security wire seal into and through the hole in the socket head
Rosemount Gas Ultrasonic Flow Meters
block and the transducer wire terminal blocks from the Acquisition Module inside of
the Base enclosure.
Figure 3-33: Acquisition Module cable and transducer wiring
A. Base Enclosure gasket
B. Acquisition cable
C. Acquisition wiring terminal blocks
D. Acquisition Module
NOTICE
Ensure that the transducers identified as belonging to end 1 are installed on end 1
(A1, B1, C1 or D1) of the meter holder and those identified as belonging to end 2 (A2,
B2, C2 or D2) are installed on end 2 of the meter housing.
Remove the Acquisition Module from the Base Enclosure.
split lock washers and flathead screws.
screwdriver required) for the corresponding chord (3414 four path meters A1, A2,
B1, B2 C1, C2, D1, and D2; 3412 two path meters A1, A2, B1, B2; or 3411 single path
meters A1 and A2). Ensure the transducer wires have good contact with the terminal
block and the terminal block screws are tight.
Acquisition cable terminal block to the Acquisition Module, check the Base Enclosure
o-ring and reinstall if necessary.
hex head bolts and lock washers. Tighten bolts with a 6mm Allen wrench.
crescent wrench or channel lock pliers.
screw on the Base Enclosure cover (maximum wire diameter 0.078 in. (2.0 mm)).
Meter repairs
January 2024
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