IM 01C25H01-01E
6-3
6. OPERATION
[Example]
The measuring range of 50 to 250 kPa; the actual
measured value of 130 kPa.
130–50
250–50
Actual measured value=
x 100=40.0%
(=10.4mA)
Turn the screw to match the output signal to the actual
measured value.
6.3 Starting Operation
After completing the zero point adjustment, follow the
procedures below to start operation.
1) Confirm the operating status. If the output signal
exhibits wide fluctuations (hunting) due to periodic
variation in the process pressure, use the communi-
cator to dampen the transmitter output signal.
Confirm the hunting using a receiving instrument or
the integral indicator, and set the optimum damping
time constant.
2) After confirming the operating status, perform the
following.
IMPORTANT
• Remove the communicator from the terminal
box, and confirm that none of the terminal
screws are loose.
• Close the terminal box cover and the amplifier
cover. Screw each cover in tightly until it will
not turn further.
• There are two covers that must be locked on
the ATEX Flameproof type transmitters. An
Allen head bolt (shrouding bolt) under the edge
of each cover is used to lock the cover. When
the shrouding bolt is driven counterclockwise
with an Allen wrench, the bolt rotates upward
and locks the cover. (See page 7-3.) After
locking the covers, confirm that they are secure
and cannot be opened by hand.
• Tighten the zero-adjustment cover mounting
screw to secure the cover.
6.4 Shutting Down Operation
Turn off the power.
NOTE
