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 Eason wireless module

Meter reading module yl-800ug

Chip solution :STM8L LoRa
carrier frequency :470~510MHz
Transmitting power :20dBm
Communication distance : 3 ~ 5km
Product size :42*25.2*2.5
communication interface : single / double reed collection
Product introduction Yl-800ug is a low power consumption wireless meter reading module for water meter and gas meter. The main MCU of the module is composed of powerful stm8l single chip microcomputer and loratm wireless spread spectrum chip. The module integrates LCD display, valve control circuit, key trigger, magnetic induction, main and auxiliary voltage control, super capacitor compensation circuit, main voltage detection circuit and water (gas) meter acquisition circuit. The realization of each function is based on the standards formed in the industry for many years. In terms of water (gas) meter acquisition circuit, it can be set as photoelectric acquisition, single reed tube acquisition and double reed tube acquisition, and the double reed tube has strong magnetic interference protection.

Product overview
Yl-800ug is a low-power wireless meter reading module for water meter and gas meter. The main MCU of the module is composed of powerful stm8l single chip microcomputer and loratm wireless spread spectrum chip. The module integrates LCD display, valve control circuit, key trigger, magnetic induction, main and auxiliary voltage control, super capacitor compensation circuit, main voltage detection circuit and water (gas) meter acquisition circuit. The realization of each function is based on the standards formed in the industry for many years. In terms of water (gas) meter acquisition circuit, it can be set as photoelectric acquisition, single reed tube acquisition and double reed tube acquisition, and the double reed tube has strong magnetic interference protection.


performance parameter Parameter value
modulation mode LoRa TM Spread spectrum
working frequency 470 ~ 510mhz (customizable)
Transmitting power 20dBm
Receiving sensitivity -148dBm
Main working voltage 4v-6v (4 dry batteries for gas meter and 3.6V for water meter)
Standby working voltage 2.1-3.6v (disposable lithium battery, gas meter only)
Instantaneous emission current ≤ 120mA (transmitting power 20dbm)
Average standby current ≤20uA
sleep mode ≤4.5uA
Dormancy time Optional 2S, 4S, 6S, 8s, 10s
Breathing time Optional 2ms, 4ms, 8ms, 16ms, 32ms, 64ms
working temperature -40 ~ + 80 ℃ (industrial grade)
Working humidity 10% - 90% relative humidity, no condensation


Pin definition and Description:

Serial number name Pin definition
1~4 LCD_ COM1~4 LCD screen control pin, connected to LCD corresponding pin
five LCD_ SEG0 LCD screen control pin, connected to LCD corresponding pin
six EE_ SPI_ CE External ferroelectric memory interface
seven EE_ SPI_ CLK External ferroelectric memory interface
eight EE_ SPI_ SO External ferroelectric memory interface
nine EE_ SPI_ SI External ferroelectric memory interface
10~22 LCD_ SEG1~13 LCD screen control pin, connected to LCD corresponding pin
23~24 GND Power ground
twenty-five BEEP_ GPIO Connected to control buzzer pin
twenty-six FM_A Valve control pin a
twenty-seven FM_B Valve control foot B
twenty-eight KEY Key
twenty-nine GPIO_1 Double channel reed detection 1 (can also collect three-way reed)
thirty GPIO_2 Two way reed Detection 2 (can also collect three-way reed)
thirty-one FM_ OFF Valve detection off
thirty-two FM_ ON Valve detection on
thirty-three GPIO_3 Three way dry reed tube detection 3
thirty-four AD_1 Reserve ad detection auxiliary voltage
thirty-five ER_ POWER Power the hall switch
thirty-six AD_ 2 AD Detection of main voltage
thirty-seven ER_ KEY Hall switch acquisition
thirty-eight GPIO_3 Single channel detection
39~40 VCC Power Supply
forty-one RXD Serial RXD
forty-two TXD Serial port TXD
forty-three GPIO_ GND Control of photoelectric acquisition power supply
forty-four LED LED indication


Download category Download link
Product description Product manual of meter reading module
Software Water and gas meter setting software


product explain
1. Manual single point meter reading Yl-800ug supports single point meter reading, and can read data from each form independently without networking. An yl-800t module (version 2.7 or above) is integrated into the handheld, and the module is set as the central module, and the parameters are consistent with the table parameters. Send data according to the protocol to read and control the meter.
2. Remote meter reading of concentrator The concentrator can use 3G / 4G and small wireless low-power MAC network for remote meter reading. Before the first meter reading, it is better to let the concentrator to network. The networking takes time, and the networking is completed. After the routing table is established, the remote server can get the number of nodes and network path, and can also read the meter wirelessly There are a small number of meters without network path, which can also be read, but it will be forced to find the path.
3. Meter reading by concentrator and handheld computer Yl-800ug protocol support single point and network commands, so mixed meter reading can be realized, so it is convenient to use the handheld to read meter when there is no network.


 Wireless meter reading
 
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