Smart converter and electromagnetic flowsensor composition with electromagnetic flow meter flow measurement, therefore, beforeprocessing converter failure, you should first check the status of the pipelinefluid flow, sensors, wiring and other systems is normal!
- Instrument no Display
a） Check that the power is turned on; b） Check the power fuse isintact, the fuse should be the same model specifications when replace it; c） Check whether the supplyvoltage requirements; d） Check whether the displaycontrast adjustment can be adjusted, and adjusted if it is proper;
e） When you can not find theproblem, please ask the electromagnetic flowmeter manufacturer for maintenance.
a） whether the Field wiringEX1 and EX2 is open; b） The total resistance ofsensor excitation coil should be less than 150Ω;c） If a), b)two are normal, the converter is faulty.
- EmptyPipe and Electrode Alarm
a） Make sure the fluid are full of measuring tube;
b） Use the wire make the convertersignal input terminal SIG1, SIG2 and SIG GND short circuit, at this time if the”Empty Pipe Alarm” and “abnormal electrode” prompt to undo,indicating the converter correctly, it may be caused by the low conductivity ofmeasured fluid or the electrode is covered by gas;
c） Check the signal wiring iscorrect.
- Upper Limit Alarm
Tip output current and output frequency (or pulse) are overrun.Make the flow range large can cancel theupper limit alarm.
- Lower Limit Alarm
Tip output current and output frequency (or pulse) are overrun.Make the flow range small can cancel the lowerlimit alarm.
- System Configuration Error
Have been made intelligent judgment and prompt in flow range setting, flowtotalizer units set up and pulse equivalent setting, so it is convenient tomodify the settings.
Please ask the electromagnetic flow metermanufacturer for maintenance.
Post time: 21-09-21