Function Introduction

Quantitative control flow meter is composed of flow meters (such as electromagnetic, turbine, vortex street, elliptical gear, dual rotor, Roots, orifice plate, mass flow, etc.) and WS-3000 quantitative control instrument and control circuit, which can achieve liquid quantitative feeding and quantitative output.

The WS-3000 intelligent quantitative controller is a universal controller suitable for flow display, accumulation, and control functions of various liquid media. It can input multiple flow sensor signals and has the following main features:

1. Flow input channel: capable of receiving frequency signals and various analog current signals;

2. Temperature input channel: capable of receiving various analog current signals;

3. Can provide transmitter+24V DC+ 12V DC power supply with short circuit protection function, simplifying the system and saving investment;

4. Switching output: relay output - return differential, AC220V/3A； DC24V/6A (resistive load);

5. Communication output: RS－232C，RS－485， The baud rate can be adjusted to 120024004800960Kbps;

6. Display content: cumulative flow, instantaneous, temperature, density, flow (differential current, frequency) value, clock, alarm status;

7. Control mode: Relay upper and lower limit control (or alarm) output, with hysteresis (user can freely set)

8. Alarm methods: flow upper limit, flow lower limit, temperature upper limit, temperature lower limit;

9. Printing control: Equipped with a thermal Chinese character printer, it can achieve instant or timed printing, with up to 8 timed printing times per day;

10. Power supply voltage: AC220V, AC80-265V switching power supply, DC24V switching power supply, power consumption ≤ 10W;

11. Fault tolerance function: When the temperature/density compensation measurement signal is abnormal, the corresponding manual set value is used for compensation calculation;

12. Output the current signal of the flow rate, with an update cycle of 1 second, to meet the requirements of automatic control;

13. The instrument clock and timed automatic meter reading function, as well as printing function, provide convenience for metering management;

14. Rich self checking and self diagnostic functions make the instrument easier to use and maintain;

15. The three-level password setting can prevent unauthorized personnel from changing the set data;

16. No adjustable devices such as potentiometers or coded switches are installed to improve the shock resistance, stability, and reliability of the instrument;

17. You can freely set the amount of material to be fed each time, and output a switch signal when the volume reaches the set value;

18. For low-power motors, there is no need to equip them with starting devices;

19. Wall mounted box size: 300 * 400 * 200mm (width * height * thickness), with external buttons for easy operation;

20. Chinese display screen, beautiful and elegant.

wire connection

1. Simulate traffic signal input; 2. Send current output again based on the flow rate; 3. Overflow/pump holding contact 1; 4. Overflow/pump holding contact 1; 5 Pt100，A； 6 Pt100，B； 7 Pt100，B； 15. Material issuance start button; 16. Material issuance stop button; 17. Reset/Reset button; 18. Button common contact point; 19. Ground connection; 20. 220V; 21. 220V;

8. Temperature and current signal input; 9. Empty; 10+ 24V； 11. Public Ground (GND); 12+ 12V； 13. Pulse flow signal input; 14. Public Ground (GND); 22. Large valve contact 1; 23. Large valve contact 2; 24. Small valve contact 1; 25. Small valve contact 2; 26. Pump normally closed contact; 27. Pump normally open contact; 28. Pump common contact point;