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3121N-IEE PLC-IoT Module

T/SILA 001—2022 

T/SILA 002 2021

Hi3921EV100 0.5-5.7MHz
UART/PLC
MCU: Cortex M3, 200MHz
92.8 x 63.8mm

 

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Product Name

Hi3921EV100  PLC-IoT Module  3121N-IEE

Hi3921EV100

0.5-5.7MHz

UART/PLC

MCU: Cortex M3, 200MHz

92.8 x 63.8mm



Details Information


Introduction

3121N-IEE is a fully integrated power carrier (PLC) CCO communication module, which provides a weak current interface and a strong current interface through pin header connectors. Weak current interface for power supply input, UART communication and reset signal connection;The strong current interface is used for PLC communication of three-phase power line. The module can be widely used in smart street lights, energy management, smart meter reading and other application scenarios.

The module size and interface conform to the State Grid QGDW 1375.2-2019 standard.

The module is based on HiSilicon Hi3921EV100 chipset, integrated high-speed/low-speed multi-mode power line carrier communication modem and ARM Cortex-M3 processor. The Hi3921EV100 chip supports P1901.1 and supports OFDM/FSK modulation.

The onboard external Line-Driver improves the transmit signal strength and can meet the needs of customers for longer distances.

Equipped with Huawei IoT open source operating system LiteOS, it provides a more open development environment and a faster and safer operating system.


Features

CPU and Storage Performance

Hisilicon Hi3921E high-performance Cortex-M3 processor, working frequency 200MHz.

Embedded SRAM 256KB.

Plug-in 2MB Flash.

PLC Physical Layer Features

Realize a subset of the IEEE 1901.1 standard. For chips that also use this subset, they can achieve interconnection and interoperability.

Supports two frequency bands of 0.5-3.7MHZ and 2.5-5.7MHZ. The frequency bands can be configured by software.

Adopt OFDM technology; support BPSK, QPSK modulation mode.

Support FEC and CRC functions, powerful denoising and error correction capabilities.

PLC MAC Features

Support TDMA and CSMA/CA, and provide conflict avoidance mechanism.

Support data segmentation and reorganization to improve transmission efficiency.

Support data retransmission mechanism.

Support 4-level QoS to meet different business service quality requirements.

PLC Networking Features

Supports automatic and fast networking, typical 200-scale, 2-level network scenarios, complete fast networking in 10s, and support fast communication.

Support dynamic routing, multi-path addressing.

Other interfaces

UART

Communication indicators

The peak rate of the physical layer is 0.507Mbit/s, and the rate of the application layer is 80Kbps.

The receiving sensitivity is better than 0.2mVpp.

Power consumption and others

Static power consumption ≤1W (networking does not send packets).

Dynamic operating power ≤ 1.5W.

Operating temperature range: -40°C to +85°C.

Storage temperature range: -40°C to 125°C.


 Applications 

Three-phase Copy/ Street Lamp


 Parameters 

Model No.

3121N-IEE

Main Chipset

Hi3921EV100

Interface

UART/PLC

Band Standard

0.5-5.7MHz

Data Rate

80Kbps

Certification

RoHS,REACH

Antenna

L,N

Operating Voltage

12V

Dimension

L92.8 * W63.8

MCU

Cortex M3, 200MHz

Operating Temperature

-40°C to 85°C

Storage Temperature

-40°C to 125°C


 Ordering Information 

Part No.

Description

FG3121NIEE-00

Hi3921EV100, PLC SoC, 92.8*63.8mm, Three-phase CCO, Pin installation.



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