EM114039-02 is a 1P Electrical Meter with Lorawan remote control prepayment meter. This LoRaWAN energy meters are equipped with MID certification. This certification ensures that the meters meet the highest standards of accuracy and reliability, providing you with precise and trustworthy energy consumption data. It also offer the flexibility of both prepaid and postpaid billing options. This means that you can choose the payment method that suits your preferences and requirements. Additionally, our meters allow for seamless switching between prepaid and postpaid modes, providing you with the convenience of adjusting your payment method as needed. By utilizing LoRaWAN technology, our energy meters offer wireless communication capabilities, enabling easy and efficient data transmission. This eliminates the need for complex wiring installations, reducing both time and cost. our LoRaWAN energy meters are designed to be user-friendly and easy to install. With their intuitive interfaces and clear instructions, you can quickly set up and start using the meters without any hassle. and it suits for industrial, commercial, or residential applications, our meters provide efficient and precise energy monitoring.
1. Features:
energy prepayment, currency prepayment, post-paid mode…
5-80A AC 220V Class150Hz IP51 degree.
LoRaWAN & TTL Communication, Modbus protocol.
frequency band EU868MHz,AS923MHz US915MHz...
class C, Activation way:OTAA.
CE-MID Compliant, Module B+D,Glue Stick Antenna or Suction Antenna Optional
2. Class A\ Class B\ Class C:
Class C devices extend Class A capabilities by keeping the receive windows open unless transmitting an uplink, as shown in the figure below. Therefore, Class C devices can receive downlink messages at almost any time, thus having very low latency for downlinks. These downlink messages can be used to activate certain functions of a device, such as reducing the brightness of a street light or turning on the cut-off valve of a water meter.
Class C devices open two receive windows, RX1 and RX2, similar to Class A. However, the RX2 receive window remains open until the next uplink transmission. After the device sends an uplink, a short RX2 receive window opens, followed by a short RX1 receive window, and then the continuous RX2 receive window opens. This RX2 receive window remains open until the next uplink is scheduled. Uplinks are sent when there is no downlink in progress.
Compared to Class A and Class B devices, Class C devices have the lowest latency. However, they consume more power due to the need for opening continuous receive slots. As a result, these devices cannot be operated with batteries for long time therefore they are often mains powered.
The following are some of the use cases for Class C end devices:
Utility meters (electrical meters, water meters, etc)
Street lights
Beacon lights
alarms
3. OTAA
Over-The-Air-Activation (OTAA) - the most secure and recommended activation method for end devices. Devices perform a join procedure with the network, during which a dynamic device address is assigned and security keys are negotiated with the device.
Activation By Personalization (ABP) - requires hardcoding the device address as well as the security keys in the device. ABP is less secure than OTAA and also has the downside that devices can not switch network providers without manually changing keys in the device.
4. Communication:
There are a range of energy meters that cater to various communication protocols, including RS485, WIFI, LoRaWAN, and M-bus. Our meters are designed to meet the requirements of both rail-mounted and suspended installations, offering flexibility and convenience.
5. Application:
LoRaWAN has been adopted for a wide variety of IoT use cases. Here are a few well known ones:
Smart cities. There’s an integral role for IoT in smart cities, such as monitoring connected infrastructure, utilities, parking management, air quality measurement, etc.
Smart grids. The foundation of the smart grid is IoT. LoRaWAN is used for connecting densely-deployed electric meters, EV chargers, battery monitors, etc. in urban and suburban areas.
Agriculture. Livestock, crop, and soil monitoring are common agricultural IoT use cases. LoRaWAN is used to collect high volumes of data, aggregate them via a gateway, and send it to the cloud for analysis.
6. Frequency Plan
No Distributor or middleman, Factory-Direct!!!
