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IM 01C25F01-01E
7-1
7. OPERATION
7.
OPERATION
7.1 Preparation for Starting
Operation
This section describes the operation procedure for the
EJX530A as shown in figure 7.1.
NOTE
Check that the process pressure tap valves,
drain valves, and stop valves are closed.
(a) Follow the procedures below to introduce process
pressure into the impulse piping and transmitter.
1) Open the tap valve (main valve) to fill the impulse
piping with process fluid.
2) Gradually open the stop valve to introduce process
fluid into the transmitter pressure-detector section.
3) Confirm that there is no pressure leak in the
impulse piping, transmitter, or other components.
(b) Turn ON power and connect the communicator.
Open the terminal box cover, and connect the
communicator to the and – terminals.
(c) Using the communicator, confirm that the transmit-
ter is operating properly. Check parameter values or
change the setpoints as necessary.
See IM 01C25T03-01E (BRAIN communication) or
IM 01C25T01-01E (HART communication) for
communicator operation.
If the transmitter is equipped with an integral
indicator, its indication can be used to confirm that
the transmitter is operating properly.
F0701.EPS
Tee
Vent plug (Fill plug)
Union or flange
Drain valve
Drain plug
Stop valve
Union or flange
Tap valve
Figure 7.1
Liquid Flow Measurement (Gauge Pressure
Transmitters)
Confirming that Transmitter is Operating
Properly
Using the BT200
• If the wiring system is faulty, ‘communication error’
appears on the display.
• If the transmitter is faulty, ‘SELF CHECK ERROR’
appears on the display.
communication error
PARAM
C60:SELF CHECK
ERROR
Communication error
(Faulty wiring)
Self-diagnostic error
(Faulty transmitter)
DATA
DIAG
PRNT
ESC
F0702.EPS
Figure 7.2
BT200 Display