Onicon F-3200 Series Manual do Utilizador descarregar pdf (Página 35)

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F-3200 Flow Meter Manual 05/14 - 0671-12 / 18325 Page 35

4.7 ALARM MESSAGES AND ACTION TO TAKE

The F-3200 advanced transmitter is equipped with a backlit graphic LCD capable of displaying

alphanumeric and graphical data. It is also capable of displaying alarm and error messages. Three

pushbutton keys located on the membrane panel immediately below the display are used to view

the displayed data and access program functions.

Alarm Messages & Action to Take

Messages Description Action to Take

No Alarms Meter functioning normally None

Max Alarm Threshold setting for maximum

ow alarm. Set as a percentage of

the full scale ow from 0-125%.

Check to see if the threshold is

set high enough. Re-conrm the

design maximum ow rate.

Min Alarm Threshold setting for minimum

ow alarm. Set as a percentage of

the full scale ow from 0 – 125%

Check to see if the threshold is

set correctly. Re-conrm the

design minimum ow rate.

Flow Rate > FS Flow rate exceeds the maximum

full scale value.

Re-conrm the design maximum

ow rate and the full scale ow

rate setting.

Pulse / Freq > FS Pulse rate or frequency output

exceeds the maximum rate.

Re-conrm the design maximum

ow rate and the full scale pulse

rate of frequency setting.

Empty Pipe The pipe is empty or the empty

pipe detector needs calibration.

Calibrate the empty pipe detector.

Batch Alarm Contact ONICON Contact ONICON

Input Noisy Excessive noise detected at the

sensor electrodes or the remote

cable has an open connection.

Re-check all earth ground

connections and check for open

signal cable connections.

Excitation Fail The coils or the connecting cables

are open.

Check all cable connections.

Contact ONICON.

Curr. Loop Open The 4- 20 mA output is not

connected properly or there is

a load resistance of greater than

1000 ohms.

Re-check wiring connections.

Measure input resistance and

conrm it is less than 1000 ohms.

P. Supply Fail Power supply is different from

that indicated on the label.

Verify that the correct voltages

are supplied to the meter.

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