Wireless water meter electronic module-Fornitore globale

402, Gate A, Building A, Xinyuan Science and Technology Park, Shahe Town, Changping District, Beijing

The Rongtong High tech Wireless Water Meter Electronic Module adopts LORA protocol and communicates with the collector concentrator through the low-power application free measurement frequency band (470-510MHz). The data is uploaded to the concentrator, and the concentrator communicates with the main station through GPRS module to upload the data to the main station, realizing automatic remote meter reading of water meter usage. It supports bidirectional communication, real-time on-off valve, real-time point reading, and the meter end is normally in low-power mode. When the concentrator issues a meter reading command, the designated address of the water meter wakes up for meter reading. After completion, it continues to enter low-power mode, effectively reducing the power consumption of the meter end. Equipped with valve control function and emergency water supply function. Long transmission distance, stable product, and convenient for customers to install water meters.

The specific functions are as follows

Wireless meter reading function: It can wirelessly read the meter readings from a distance.

Remote valve opening and closing function: remotely open and close valves according to customer needs.

Prepaid and postpaid functions: Customers can choose between prepaid or postpaid.

Emergency water function: The module provides a button switch. When the valve is closed, the customer can press the button three times to provide emergency water for three days.

Broadcast timing function: The concentrator can broadcast timing to the water meter module.

Customized development: Module functions and module sizes can be customized according to customer needs.

Wiring Instructions

2.1 Wiring diagram and interface definition explanation

performance parameter

3.1 Threshold voltage

Undervoltage value: 2.5V; the controller records the undervoltage flag, and when the system accesses the instrument status, the instrument uploads a low voltage state;

Normal voltage: 3V~3.6V.

3.2 Power consumption parameters (test voltage 3.0V, different values on the base meter also vary)

electric current	sample1
Quiescent current	≤20uA-SF=7, ≤30uA-SF=8, ≤50uA-SF=9
Sampling static working current	3μA
Open valve working current	48mA
Valve closing working current	48mA
Valve stuck working current	400mA

Note: The current of the switch valve and the current of the valve stuck may vary depending on the base meter.