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1. Wiring diagram of ultrasonic flowmeter
Ultrasonic flowmeter wiring is mainly divided into two parts: host wiring and probe wiring. There are differences between different brands and models, and it is necessary to follow the product manual for accuracy. 1. Power input for host wiring: Supports AC 220V or DC 24V power supply. Choose one of them according to the wiring diagram. Sensor interface: - Downstream probe connected
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2. Terminal 3 (GND, DN -, DN+), usually only need to be connected to DN - and DN+(terminals 2 and 3) - Upstream probe connected
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5. Terminal 6 (GND, UP -, UP+), usually only need to be connected to UP - and UP+(terminals 5 and 6) 4-20mA output: AO terminal connected to signal positive pole, 24V - terminal connected to signal negative pole 485 communication: connect 485 OUT A and 485 OUT B terminals Heat meter function: - Water supply terminal connected to TX
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1. GND - Return terminal TX
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2. GND (supply and return GND are connected together) Relay output: Connect RELAY+and RELAY - terminals 2. Probe wiring Probe cables usually include shielded wires, signal positive (+) and signal negative (-) terminals. Conventional connections only require connecting the+and - terminals, and shielded wires can be omitted. Due to possible differences in terminal definitions and wiring methods among different manufacturers, please make sure to check the wiring diagram provided in the instruction manual before actual wiring.
2. Application and characteristics of ultrasonic open channel flowmeter
Ultrasonic open channel flowmeter is mainly used for flow measurement of square culverts in open channels. It is widely used in water conservancy irrigation areas, sewage treatment, industrial and mining enterprise wastewater discharge, water conservancy engineering, agricultural irrigation and other fields. It has the characteristics of accurate measurement, adaptability to complex working conditions, diverse communication methods, flexible power supply, and convenient operation.
. The specific introduction is as follows: Application scenarios in water conservancy irrigation areas: It is widely used in water conservancy irrigation areas, and can accurately measure the real-time water flow of culverts, providing accurate data support for water use scheduling, water resource management, and other aspects of irrigation areas. Sewage treatment: Suitable for measuring the flow of sewage into and out of sewage treatment channels, it can help relevant personnel accurately grasp the inflow and discharge of sewage, and facilitate monitoring and management of the sewage treatment process. Industrial and mining enterprises: It can be used for flow measurement of chemical liquids and wastewater discharge channels in industrial and mining enterprises, which helps enterprises monitor the flow of liquids in the production process, achieve energy conservation, emission reduction, and environmental protection requirements. Water conservancy engineering: In water conservancy engineering, it can be used for flow measurement in places such as flood discharge gates, providing important flow information for flood control and disaster reduction, water resource allocation, etc. Agricultural irrigation: It can accurately measure the flow rate of agricultural irrigation channels, help farmers irrigate reasonably, improve water resource utilization efficiency, and promote sustainab