
90
Reference Manual
00809-0100-4772, Rev FA
March 2016
Figure 7-5. Improper Sizing/Filtering
A. Trigger level
B. Vortex signal (TP1)
C. Shedding frequency output
7.5
Hardware maintenance
The flowmeter has no moving parts and requires a minimum amount of scheduled
maintenance. The transmitter features a modular design for easy maintenance. If you
suspect a malfunction, check for an external cause before performing the diagnostics
presented below.
The following procedures will help you disassemble and assemble the flowmeter.
Note
Use only the procedures and new parts specifically referenced in this manual. Unauthorized
procedures or parts can affect product performance and the output signal used to control a
process, and may render the instrument dangerous. Direct any questions concerning these
procedures or parts to Emerson.
Note
Flowmeters should not be left in service once they have been determined to be inoperable.
Note
Process should be vented before the meter body is removed from service for disassembly.
7.5.1
Replacing the F
OUNDATION
Fieldbus terminal block in the
housing
To replace the F
OUNDATION
Fieldbus field terminal block in the housing, you will need a small,
screwdriver. Use the following procedure to replace the terminal block in the housing of the
flowmeter.
C
0
3.45 V
0
B
A
See
for complete warning
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