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 Eason wireless module

Water meter module yl-802ug

Chip solution :STM8L LoRa
carrier frequency :420~510MHz
Transmitting power :20dBm
Communication distance : up to 3-5km
Product size :67*44*3.5
communication interface : single / double reed collection
Product introduction Yl-802ug is a special wireless meter reading module for water meter. The main MCU of the module is composed of powerful stm8l MCU and loratm wireless spread spectrum chip. The module integrates LCD display, valve control circuit, key trigger, magnetic induction, voltage control, super capacitor compensation circuit, voltage detection circuit and water meter acquisition circuit. The realization of each function is based on the standards formed in the industry for many years. In terms of water meter acquisition circuit, it can be set as photoelectric acquisition, single reed tube acquisition and double trunk reed tube acquisition, and the double trunk reed tube has strong magnetic interference protection.

Product overview
Yl-802ug is a special wireless meter reading module for water meter. The main MCU of the module is composed of powerful stm8l MCU and loratm wireless spread spectrum chip. The module integrates LCD display, valve control circuit, key trigger, magnetic induction, voltage control, super capacitor compensation circuit, voltage detection circuit and water meter acquisition circuit. The realization of each function is based on the standards formed in the industry for many years. In terms of water meter acquisition circuit, it can be set as photoelectric acquisition, single reed tube acquisition and double trunk reed tube acquisition, and the double trunk 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
working voltage 3.6v
Instantaneous emission current ≤ 120mA (transmitting power 20dbm)
Average standby current ≤20uA
sleep mode ≤4.9uA
Dormancy time  2S,4S,6S,8S,10S
Breathing time  2ms,4ms,8ms,16ms,32ms,64ms
working temperature -40 ~ + 80 ℃ (industrial grade)
Working humidity 10% - 90% relative humidity, no condensation


 Water meter reading
 Water meter reading

Pin definition and Description:

Serial number Pin definition
one Water meter valve control port
two Power interface
three Key
four data acquisition
five Reserved single reed collecting port
six Reserved serial port


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


product explain
1. Manual single point meter reading Yl-802ug supports single point meter reading, and it can copy 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-802ug protocol supports single point and network commands, so mixed meter reading can also be realized, so it is convenient to read meter with palm when there is no network.


 Wireless meter reading
 
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