Alarm; Aberration In Flow Measurement - Fuji Electric FWD Series Instruction Manual

7.

Alarm

7- 1. Aberra ation in flo
[State e] Unable
[Disp play] The tria
The instanta T
As for the ac A
and the disp a
[Outp put] Analog
Open d
[Cau se] There is
to or is
of ultras
If the al
branch
(Note e) Actions w
On nce the flow
me easurement
atm mospheric p
wo orking condit
ow measu urement
to receive u ultrasonic sig
angle in the upper left of
aneous flow- -rate value i
ccumulated flow volume
play shows t he value im
output: 4mA A
drain output: Stopped
s a possibili ty that foreig
being retain ned in the me
sonic.
larm persist s even after
or sales offi ce.
Fi gure 7-1 F Flow measu
hen the met ter is first ru
meter is in stalled and
aberration display" d
pressure. Th his will stop
tions. (This w will return to
gnals.
f the LCD fli ickers.
n the sub-di splay shows
e value disp lay, the accu
mediately p rior to the ab
gn materials s (liquids suc
easurement t pipe, and is
r removing t the foreign m
urement ab erration dis
n
measureme ents begin,
ue to the sudden cha
p once the pressure o
o normal.)
30
s "0.00."
umulation pr rocess is sto
berration.
ch as oils) h has become
s obstructing g the propag
materials, pl lease conta
splay
the meter m may show a
ange in pre ressure from
of the fluid stabilizes
opped
stuck
gation
ct our
"flow
m the
under