Summary of Contents for Bibo CLW-3
- Page 1 User’s Manual of CLW-3/3A Intelligent Ultrasonic Level Meter CLW-3/3A INTELLIGENT ULTRASONIC LEVEL METER TECHNICAL MANUAL ISO9001: 2000 Quality Management System Certificate No.: 02006Q10334R0S WUXI BIBO ELECTRONIC EQUIPMENT PLANT...
- Page 2 User’s Manual of CLW-3/3A Intelligent Ultrasonic Level Meter Preface Wuxi Bibo Electronic Equipment Plant situated at the foot of Huishan Hill near the bank of Taihu Lake is an enterprise specialized in research, design and manufacture of hi-tech products. For many years the plant has engaged in development and production of electronic instruments for ultrasonic measurements etc.
- Page 3 User’s Manual of CLW-3/3A Intelligent Ultrasonic Level Meter influences of electrical and external noises and improve anti-interference capacity. Thereby, the products are capable of satisfy the requirements of level measurement under severe conditions of high temperature, high humidity, high-density dust, strong vibration, etc in the trades of metallurgy, mines, power generation, cements, fertile and so on.
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Page 4: Table Of Contents
User’s Manual of CLW-3/3A Intelligent Ultrasonic Level Meter Content 1. General ················································································································1 2. Principle of operating ···························································································2 3. Installation and debugging ···················································································3 4. Start up ················································································································7 5. Functions of keys·································································································8 6. Parameter enquire and setting·············································································9 7. Maintenance ······································································································16 8. Failure analysis ··································································································17... -
Page 5: General
User’s Manual of CLW-3/3A Intelligent Ultrasonic Level Meter 1. General Firstly thank you for selection of BIBO brand CLW-3/3A intelligent ultrasonic level meter developed and produced by our plant. It is a measuring instrument integrating optics, electronics and acoustics. CLW-3 is inquired and set by using buttons; CLW-3A is inquired and set with a manual controller and has a LCD display. -
Page 6: Principle Of Operating
User’s Manual of CLW-3/3A Intelligent Ultrasonic Level Meter 2. Principle of operation 2.1 System block diagram Ultrasonic sensor Receiving & sending Transmitter Emitter Oscillator Control interface Optoelectronic isolator Output A/D switching Processing unit Optoelectronic isolator LCD display Relay unit Fig.1 System block diagram 2.2 Basic configuration... -
Page 7: Installation And Debugging
User’s Manual of CLW-3/3A Intelligent Ultrasonic Level Meter 3. Installation and debugging 3. 1 Installation 3.1.1 Preparation for installation Overall dimensions of ultrasonic sensor (transducer) and display control box are shown in Appendix A. Mounting frame is shown in Appendix B. - Page 8 User’s Manual of CLW-3/3A Intelligent Ultrasonic Level Meter Fig.4 Fig.5 Ultrasonic sensor (transducer) emits 1) Ultrasonic sensor (transducer) sonic pulse in a 7°conical beam. In should avoid lateral welded the acoustic passage echo wave will seam on slotted wall, structural...
- Page 9 User’s Manual of CLW-3/3A Intelligent Ultrasonic Level Meter will be influenced; Location 1 wrong; Location 2 correct. Location 2 correct. In liquid bin since liquid level is evener, the sensor must be positioned in parallel to the level as shown in Fig.8.
- Page 10 User’s Manual of CLW-3/3A Intelligent Ultrasonic Level Meter Table 2 Cable allocation Cable No. Type/specification Description YZ3×0.5 220VAC power lead 5m SBPH2×0.5 Ultrasonic sensor (transducer) special cable, 25m AVV-7-3P7×0.15 Output signal cable 5m 4×0.2 Upper/lower alarm cable, user-prepared Manual controller interface (for CLW-3A only) 3.1.5.1 Cable 1...
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Page 11: Start
User’s Manual of CLW-3/3A Intelligent Ultrasonic Level Meter Table 5 Cable 3 Color Function Yellow 485 + White 485 – 20mA Blue Black GND-1 Purple Buzzer Grey Buzzer – 3.1.5.4 Cable 4 It is used as control cable for upper/lower alarm. User-prepared. -
Page 12: Functions Of Keys
Fig.14 5. Functions of keys For CLW-3 model keys are located on the panel of display control box; for CLW-3A keys are positioned on the manual controller, but their definitions and functions are identical. -
Page 13: Parameter Enquire And Setting
User’s Manual of CLW-3/3A Intelligent Ultrasonic Level Meter 5.1 P Setting key By pressing the key the system enters into setting state. 5.2 S Shifting key for leftward cycling The key is used for cyclically moving the cursor from right to left. - Page 14 User’s Manual of CLW-3/3A Intelligent Ultrasonic Level Meter Parameter Enquiry Group parameter setting Group parameter setting Fig.16 6.3 Parameter setting In the interface as Fig.13, by pressing P key the interface as Fig.16 will appear. Use the +, - keys to move the cursor to the “Parameter Enquiry”...
- Page 15 User’s Manual of CLW-3/3A Intelligent Ultrasonic Level Meter 6.3.3 How to set buzzer Enter into the interface as Fig.20. Then select the digit by using the S key and set the number by key + or —. Press key P to confirm and start next setting.
- Page 16 User’s Manual of CLW-3/3A Intelligent Ultrasonic Level Meter 6.3.6 How to set temperature Enter into the interface as Fig. 23. Then select the digit by using key S and set the number by using key + or —. Press key P to confirm and start next setting.
- Page 17 User’s Manual of CLW-3/3A Intelligent Ultrasonic Level Meter 6.3.9 How to set zero distance Enter into the interface as Fig. 26. Then select the digit by key S and set the number by using key + or —. Press key P to confirm and start next setting.
- Page 18 User’s Manual of CLW-3/3A Intelligent Ultrasonic Level Meter 6.3.12 How to set detection mode Enter into the interface as Fig. 29. Then select the digit by using key S and set the number by using key + or —. Press key P to confirm and start next setting.
- Page 19 User’s Manual of CLW-3/3A Intelligent Ultrasonic Level Meter 6.3.15 How to set times of average Enter into the interface as Fig. 32. Then select the digit by using key S and set the number by using key + or —. Press key P to confirm and start next setting.
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Page 20: Maintenance
User’s Manual of CLW-3/3A Intelligent Ultrasonic Level Meter 7. Maintenance Follow problems are not apparatus’s failure 7.1.1 In the apparatus, ultrasonic sensor has different transmitting cycles, so as to avoid some periodical interference. 7.1.2 When the detection range <1.90m in lab, if you move the ultrasonic sensor away to change the detection distance suddenly ( move more than 0.8m per second), the... -
Page 21: Failure Analysis
User’s Manual of CLW-3/3A Intelligent Ultrasonic Level Meter Working process of alarm relay: When level >upper value, the upper alarm relay will be picking-up until the level lowers down to the upper value (–0.30). When level <lower value, the lower alarm relay will be picking-up until the level lifts up to the lower value (+0.30). - Page 22 User’s Manual of CLW-3/3A Intelligent Ultrasonic Level Meter Table 7 Distance (m) Time-difference (ms) Distance (m) Time-difference (ms) 31.9 34.8 37.7 11.6 40.6 14.5 43.5 17.4 46.4 20.3 59.3 23.2 52.2 26.1 55.1 29.0 10.0 58.0 2) Only after the measured distance is larger than 3m you can continue working. Otherwise please wait until the level lowers down.
- Page 23 User’s Manual of CLW-3/3A Intelligent Ultrasonic Level Meter Annex A Ⅰ. Dimension of ultrasonic sensor (transducer) Normal-temperature transducer Short-range transducer Ⅱ. Dimensions and outside view of display control box 251mm (L) *190mm(W) *88 (H) mm...
- Page 24 User’s Manual of CLW-3/3A Intelligent Ultrasonic Level Meter Appendix B Ⅰ. Sketch of mounting frame Ⅱ. Sketch of flange...