Start Up And Shutdown; Preparation For Start Up - Fuji Electric FCX-AII-V5 series Instructions Manual And Service Instructions

5

START UP AND SHUTDOWN

5.1 Installation :
After installation (refer to chapter 3.1) and before start up of the transmitter, be sure to perform
the following checks and procedures.
Preparation :
(1) Check for liquid or gas leakage of the process connection by applying
soapy water or similare.
(2) Check of the electrical connection according to the "Terminal block
connection diagram" shown in 4.1.
(3) Vent the process covers of the transmitter.
DANGER
The compatibility of process with the transmitter, has to be checked and ensured by skilled
people from customer side.
CAUTION
(4) Perform zero point adjustment.
Zero point check
electronics housing without opening the covers of this external housing.
• Power on the transmitter and wait for at least 10 minutes.
• Check the output signal of the transmitter by connecting a DC milliampermeter across CK+ and
CK- of the terminal block.
• After 10 sec or longer, adjust the transmitter output current at 4 mA (zero adjustment).
Zero adjustment :
The zero adjustment can be done :
(1) With the external screw
Refer to chap.6.1 "Adjustment procedure using
an external adjusting screw"
(2) With LCD indicator
Refer to chap.6.2 "Adjustment procedure by local
(3) With Fuji Hand Held communicator
Refer to to chap.6.3 "Adjustment with hand held
communicator"
INDICATION
36
fully the technical instruction note ATEX Ref.HDFCX-AII V5 002.
When the plant requires chemical cleaning at the start up operation, be
sure to close the isolating valves of the transmitter to avoid that cleaning
liquid or particules are introduced to the transmitter wetted parts.
After adjustment, the transmitter must be kept energized for at least 10
seconds data recording completion into memory.
Fine adjustment : turning slowly
(approximately 5sec per turn)
Rough adjustment : turning quickly
(approximately 1sec per turn)
Increase
Decrease
TN5FCXA2V5h-E