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Help CenterElectric Meter Data Acquisition Terminal and Meter Reading Device: Supports Multiple Protocols Conversion to MQTT and Other Protocols
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SC-GP-IR 4 G wireless infrared meter reading terminal is a general electricity meter gas meter reading terminal based on infrared communication, GPRS wireless transmission, DC wide voltage power supply launched by Shanghai Digital Mining Internet of Things Technology Co., LTD. It can collect power data, voltage, current, power factor and other power parameters of state grid electricity meter (support 645 and 698 protocol).
Introduction to the principle of infrared meter reading: The infrared photoelectric probe can regularly read the parameter information of the smart meter through the infrared optical port and upload it. The infrared meter reader has the function of infrared signal modulation and demodulation, modulates the binary digital signal into a pulse sequence of 38 KHz frequency, and drives the infrared emitting diode to send in the form of infrared light pulse; the transceiver transforms the received light pulse into electrical signal, and then amplify, filter and send to the demodulation circuit for demodulation, restore to the binary digital signal, after the message analysis, send to the server according to the specified format (such as json).
The wireless infrared meter reading terminal supports the GPRS / 2G / 4G / NB-IOT / LoRa communication mode, which greatly simplifies the site deployment time and reduces the construction cost. The terminal supports all scenarios of meters, suitable for electricity meter data collection, smart city data collection, power monitoring data collection, energy saving and emission reduction data monitoring system data collection, energy consumption monitoring system data collection, photovoltaic system data collection, intelligent monitoring data collection, robot data collection, intelligent security system data collection, cloud platform data collection; electricity meter verification and testing table; especially suitable for the photovoltaic power generation system and the total meter of the power grid Bureau are completely closed, and cannot open any seal.
2 Order specifications and type selectionmodel |
transmission mode |
Characteristics of the description |
SC-LP-IRNB |
wireless |
NB-IOT / loRa communication, long-life lithium battery power supply, suitable for low acquisition frequency, difficult external power supply occasions. |
|
SC-GP-IR4G SC-GP-IRWiFi SC-GP-IRLAN |
wireless |
4G / WiFi / Ethernet communication, 220V AC / 12V DC power supply, suitable for high acquisition frequency or convenient external power supply occasions. Because the device is on line for a long time by default, it can support remote configuration parameter debugging, and the site only needs to install and connect the power. |
SC-GP-IR485 |
wired |
Separate infrared probe, a 458-rpm infrared transceiver, transparent transmission. Users should consider the electricity meter agreement connection. |
|
SC-GP-IR485-modbus (Custom Edition) |
wired |
Infrared acquisition, RS485 interface, universal modbus protocol, users do not need to consider the electricity meter protocol docking. |
|
SC-GP-IR4G-modbus (Custom Edition) |
wireless |
4G communication, 220V AC / 12V DC power supply, output modbus protocol, can support remote configuration parameters debugging, the site only need to install power connection. |
3 service idea
We solemnly promise that:
You buy not only the product, but also the meticulous and thoughtful technical support services!!!( =^_^= )
This product, the site only ordinary workers electric installation! No debugging!
We provide free remote guidance, remote configuration and debugging service, and send the data to the user-specified cloud platform.
Free Internet of Things solution consulting services!
4 operative normQ / GDW 1365- -2013 Technical Specification for Security Certification of Information Exchange of Intelligent Electricity Meters
The Multi-function electricity meter Communication Protocol DLT645-2007 national standard
State Grid standard of Three-phase Intelligent Power meter Type Specification Q / GDW1356-2013
5 Product characteristics parameters5.1 Collect characteristicsl Infrared carrier frequency: 38 kHz
l Communication wave rate: 1200~115200 bps, adaptive according to the communication parameters of the electricity meter
l Infrared communication distance: 10 meters
l Communication Angle: 15 degrees
l Infrared communication protocol: comply with IEC62056-21 (IEC1107) and DL / T-645 1997 and 2007 standards, and support modbus protocol.
5.2 electrical character
l Power supply mode: 12V DC power supply (power interface: DC5.5*2.1mm master head socket, positive and negative outside inside)
l Working power consumption: less than 5W
5.3 Communication characteristicsWireless transmission mode: GPRS / NB-IOT / LoRa / WiFi
Communication protocol: MQTT / TCP / UDP / HTTP / SSL / ModBus RTU, and other protocols can be customized
Data forwarding: any public network server
Number of server centers: up to simultaneous data reporting to 7 cloud servers.
Heartbeat packet: support custom heartbeat packet, can be set to signal intensity.
Registration package: support custom registration package, can be set to IMEI code.
Positioning: Support LBS base station positioning to facilitate the query of device location.
5.4 structural propertyAntenna type: suction cup or rubber external antenna (optional built-in antenna)
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|
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l Material: ABS plastic (enclosure)
l Main body protection level: IP64
l Main installation method: paste and installation
5.5 work environmentl Temperature-30°C~75°C, humidity of 0~95%
6 Product core advantagesu Simple installation, fast deployment, help the Internet of things project quickly landing
u Support custom registration package and heartbeat package, facilitate the platform to distinguish devices.
u Support any Internet of Things cloud platform and configuration software, and provide data protocol docking
u Support Ali Cloud, Baidu Tiangong, OneNet, Tencent Cloud mainstream cloud platform
u Support for the external multiplex sensor
u Non-invasive collection, does not affect the normal operation of the equipment
u Support remote configuration parameters and FOTA remote upgrade to minimize the personnel cost of site construction and maintenance
7 Data reporting communication protocol7.1 Protocol parsing instructionsFor UDP / TCP / MQTT / HTTP and other push methods, users should provide the IP address and port number of the public network of the cloud server to receive the data.
Example of JSON format:
{"VoltageCur":376,"TmpWidth":254,"TimePeriod":254,"MinCntSet":1,"IntData3":-9999,"IntData2":168,"IntData1":1,"InfoId":1,"ICCID":"1119205006447538","Extend2":16890,"Extend1":23}
7.2 The protocol receives the test
Use network debugging assistant NetAssist.
7.3 Agreement customization
If you need to customize other communication protocols, you can contact the business personnel to communicate.
8 Platform docking8.1 Default platformThe product is connected to our designated open industrial Internet of Things platform by default, and the platform interface is as follows:
Mobile terminal wechat access interface
8.2 The user specifies the platformTake the connection of Ali Cloud platform as an example. After users create products and add devices on the Ali Cloud Internet of Things platform, users need to provide a triad: {ProductKey, DeviceName, DeviceSecret} and MQTT theme to be released.
For example, the value of triples are:
ProductKey = b0FMK1Ga5cp
DeviceName = 862991419835241
DeviceSecret = y7MTCG6Gk33Ux26bbWSpANl4OaI0bg5Q
Take OneNet platform docking as an example, after users create products and add devices on China Mobile OneNet platform, users need to provide product ID and and device registration code.
for instance:
ID：332590
Registration code: DGRUa7Vr9KYGunwJ
9 application case
External power supply mode
1）Please refer to the link: /article/a65957f4bf778565e77f9b47.html
Or Baidu search keywords: state grid electricity meter through infrared collection to achieve non-contact remote meter reading scheme
2）The infrared transmitting and receiving hole can be aligned with the infrared equipment that needs to collect communication. During the communication process, please ensure that the communication distance and tilt Angle are within the technical requirements, otherwise the communication effect will be seriously affected.
3）This product has built-in SIM card, and the annual traffic fee is about 10~20 yuan according to the reported data frequency. You can also use the user's own SIM card, you need to confirm in advance.
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