What is a Quantitative Control System?
The quantitative control system is composed of flow meters, quantitative controllers, solenoid valves and quantitative control boxes. It is used to realize the control of quantitative measurement, quantitative filling, quantitative batching and other processes of fluids. The quantitative control system can realize the quantitative filling function of liquids such as tap water, purified water, methanol, edible oil, alcohol, wine, gasoline, etc.
- Control the start and stop of the pump and control the flow
Press the start button of the instrument. The water pump is powered on and starts to fill water. The liquid flows through the flowmeter. The flowmeter transmits the flow signal to the fixed controller. The set value is reached. The fixed controller indirectly cuts off the power supply of the water pump by cutting off the power supply of the AC contactor. The water pump stops working. One-time quantitative completion.
- Control the start and stop of the solenoid valve and control the flow
Press the start button of the instrument. The solenoid valve opens. The liquid flows through the flowmeter. The flowmeter transmits the flow signal to the fixed controller. The set value is reached. The fixed controller cuts off the power supply of the solenoid valve and the solenoid valve closes. One-time quantitative completion.
- Simultaneously control the start and stop of the valve and pump and control the flow
Press the start button of the instrument. The water pump and the solenoid valve are opened at the same time. The liquid flows through the flow meter and the flow meter transmits the flow signal to the fixed controller. The set value is reached. The fixed controller cuts off the AC. Contractor power supply. Solenoid valve power supply. Water pump. The solenoid valve closes. One-time quantitative completion.
Quantitative Control System Troubleshooting
| Fault Phenomenon | Cause Analysis | Solution |
| The recorder is not working with electricity |
①Poor contact with the power cord
②Power switch is not closed |
Check the power supply |
| The signal display does not
match the actual situation |
①signal setting error in configuration
②wiring error |
①Inspection configuration
②Check the signal line |
| Alarm Output Abnormal | ①Alarm limit setting error
②Alarm points shared by other channels |
①Reset the limit
②Cancel other alarm points |
| Problems in distribution output |
①Transmitter and instrument wiring error
②Power distribution with multiple transducers exceeding the standard distribution of this instrument distribution |
①Corect wiring
②Use an external voltage stabilizer to supply power |
| USB Transfer Failure | ①Incorrect start and end time settings
②U disk format is incorrect ③u disk incompatible ④Insufficient spare space on the U disk |
①setting time correctly
②Format U disk to FT32 ③Use a genuine compatible U disk ④Use a larger capacity U disk or clear one redundant files on U disk. |
| No data or abnormal display
in USB transfer file |
①No data for the period selected by the user
②user changed the system time ③User changed signal type ④The user sets the record interval too big, but the backup time is very short ⑥The period of the data is too long, which exceeds the maximum read time domain of the upper computer software. |
①select the time to have the data
segment ③No impact on data recording ④The Record interval is set to be small or the backup time is longer ⑥The period for backing up the data is smaller, piecewise and backup. |
| Variable output problem | Variable output | Check the signal source |
