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RZ - How to produce 1158 c clip type ultrasonic flowmeter output alarm signal

by:KAIDI     2020-11-02
RZ - 1158 c clip type ultrasonic flowmeter is a kind of precision of flow measuring instrument, because in the process of measurement, will encounter all sorts of abnormal condition, in some cases can produce great influence for measurement data, serious and even lead to measurement cannot, this needs of working condition of the instrument itself can have for internal and external intelligent detection function, the results of detection by alarm signal way, through the realization of the function of the alarm, can make the operators in production the adverse circumstance, ruled out in time, to keep production stable. RZ - 1158 c clip type ultrasonic flowmeter can produce two types of alarm signal: sound alarm and switch output alarm signals. Sound alarm signal is generated by the built-in buzzer and choice in the window M77 buzzer trigger source. Switch output alarm signal is through the opening of the OCT or relay output alarm signals produced by an external circuit. In the following cases produce switch output alarm signal: 1. You can't get a ultrasonic sensor signal; 2. Bad sensor receiving ultrasonic signal; 3. Flow meter did not enter the normal measurement condition; 4. Flow reverse; 5. Analog output exceeds the range of 100%; 6. Frequency signal exceeds the range of 120%; 7. The instantaneous flow rate exceeds the scope ( Using the software alarm set flow range. Software alarm has two, respectively called alarm # 1 and alarm # 2. Alarm # 1 M73 lower limit in the window, ceiling is located in the window M74; Alarm # 2 M75 lower limit in the window, ceiling M76 is located in the window. ) 。 Example 1: in the instantaneous flow rate beyond 300 ~ 1000 m3 / h relay output alarm signal. According to the following three Settings: 1. Enter 300 in the window M73; 2. Enter 1000 in the window M74; 3. Select 6 items in the window battered cia-issued M79 & other; 6. 1 alarm throughout the limit & #; 。 Example 2: requirements RZ - In 1158 c clip type ultrasonic flowmeter without getting into the normal state of measuring sound alarm signal setting method is: choose two items in the window M77 & other; 2. Measuring state abnormal & throughout; Can. Example 3: the instantaneous flow rate beyond 100 ~ 500 m3 / h OCT output alarm signal, the instantaneous flow rate is in excess of 600 ~ 1000 m3 / h relay output alarm signal, and set up according to the following six steps: 1. Enter 100 in the window M73; 2. Enter 500 in the window M74; 3. Enter 600 in the window M75; 4. Enter 1000 in the window M76; 5. Select 6 items in the window M78 & other; 6. 1 alarm throughout the limit & #; 。 6. Select 6 items in the window battered cia-issued M79 & other; 6. 1 alarm throughout the limit & #; 。 That is about the RZ - 1158 c clip type ultrasonic flowmeter output alarm signal setting method actually not complex,
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