Application Notes

EAP-032137


Backup signal during drain facility maintenance
 

We monitor signal from the turbidity meter, which is installed in drain facility.

We have to maintenance/clean up the facility several times per year.

We would like to provide a simulated DC signal to prevent the monitor equipment from detecting abnormal signal from turbidity meter during drain facility maintenance time. As for the simulated DC signal, we would like to change the set point and monitor the value easily. Does M-System have any suitable DC signal generator? We use 4-20mADC signal as turbidity meter output. We can prepare 100VAC power for the generator. We plan to switch from turbidity meter signal to simulated DC signal by using a switching relay.

MS Word

M-System recommends that you use our Parameter Generator, model MS for this application. When ordering, if you specify the option code “/E”, you can confirm manual setting value on front-mounted LCD meter as 0.0 to 100.0%.

You can adjust the set point by front potentiometer with reference to the LCD meter.


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