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6F8A0917
5.6.2Combination with an Existing Detector (for Large Meter Size)
When the LF232 flowmeter converter (LF232*B for large meter size) is combined with an existing detector of commercial power excitation method, the excitation current may not become stable because of the difference of the excitation method.
(Example of symptoms)
•When the excitation current is checked in the CAL mode, the excitation current is not displayed exactly as set for the converter.
•The indicated value of the excitation current does not stabilize in the CAL mode and the minimum digit cannot be read.
•The zero point of flow rate at the time of still water measurement is not stable.
If this happens, connect an adjusting capacitor provided for the detector (only for large meter size) between the terminals X and Y of the terminal block for converter cable as shown below.
This capacitor is not needed if you combine with a detector of
In addition, if the symptom does not improve when the capacitor is connected, stop using the capacitor.
Terminal block
Connect an attached capacitor between the terminals X and Y.
Note: If any symptom described above does not occur when connected with an existing detector, do not connect this capacitor.
Figure 5.12 How to Connect an Adjusting Capacitor
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