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< Product
< LKM Series Electricity Meter Protocol to Modbus Protocol Gateways with MQTT (and LoRaWAN)
> LKM614
MODBUS RTU to IEC62056-21 Protocol Meter Gateway for EMH LZQJ-XC Meters With RS485 2 Wire Connection on Modem Side
LKM614
MODBUS RTU to IEC62056-21 Protocol Meter Gateway for EMH LZQJ-XC Meters With RS485 2 Wire Connection on Modem Side
per one
213.75 USD 225 USD
If you buy less than 5 items you will lose your 5% discount
-   Especially plug and play designed for EMH LXQJ-XC meters
-   Direct replacement for Variomod XC modules for EMH meters
-   Auto reads EMH meters and maps values in predefined MODBUS register table
-   Configurable Modbus address via Modbus Commands 
-   Configurable Reading Period on IEC6056-21 side via Modbus Commands
-   Configurable Reading Table Number on IEC6056-21 side via Modbus Commands 
-   Gets power directly from meter
-   Serial interface directly connected to meter ( with 15kV ESD protection)
-   Wide operating temperature range from -40 to 85 °C 
-   Customization of reading process and register tables based on client request
-   Firmware upgradable over serial line
MODBUS RTU AND IEC62056-21 CHARACTERISTICS
Modbus RTU Address
Default value is 0x01
Changeable via Modbus Command
Reading Period on IEC62056-21 Protocol Meter Side
Default value is 10 (in seconds)
Changeable via Modbus Command
IEC62056-21 Protocol Meter Read Out Table
Default value is 0x30 = ‘0’in ASCII
Changeable via Modbus Command
IEC62056-21 Protocol Meter Reading Method
Read each line of table and register data during reading
IEC62056-21 Protocol Meter Read Out Data
Date
Time
Import and Export Active Energy
Import and Export Reactive Energy
Reactive Energy in 4 Quadrants
Import and Export Maximum Demands
Active Power
Phase Currents for each phase
Phase Voltages for each phase
Frequency
Error Code
Extendable/Changeable via firmware change
Monitoring Parameters

IEC Read counter
Time counter (in seconds)
FW version
Query able via Modbus Commands



INTERFACE AND INDICATORS
RS485 Connector
Terminal Connector for 2 wire RS485 connection and GND on Modem Side
Operation Mode Selection Switch
Selects the operating mode of the device.


Mode Selection
Modem Side Communication Parameters
Meter Side Communication Parameters
Mode 1 (LED 1 ON)19200 8N1
Starts with 300 baud rate and changes during transmission to target baud rate based on IEC62056-21 protocol
Mode 2 (LED 2 ON)
9600 8N1
Starts with 300 baud rate and changes during transmission to target baud rate based on IEC62056-21 protocol
Mode 3 (LED 3 ON)
19200 8N1
19200 7E1 Fixed
Mode 4 (LED 4 ON)
9600 8N1
9600 7E1 Fixed
LED Indicators
Following LEDs available to show system status.
1 – Mode 1 LED
2 – Mode 2 LED
3 – Mode 3 LED
4 – Mode 4 LED
5 – System LED: Blinks every second
6 – Tx LED: Sending data from Modem Side to Meter Side
7 – Rx LED: Receiving data from Meter Side to Modem Side


FIRMWARE UPGRADE
Upgrade over Serial Line
Available from Modem side Serial Line
RS485 on LKM614


Device must be on operating mode 19200 8N1 for firmware upgrade process.




POWER
Power Input
Gets power directly from Meter


PHYSICAL AND ENVIRONMENTAL CHARACTERISTICS
Enclosure
ABS, IP51
Dimensions
105x 45 x 27(h x w x d) mm
Weight
~60gr
Storage Temperature
-55 to 125 °C
Operating Temperature
-40 to 85 °C 
Operating Humidity
5% to 95%Non-condensing


LKM614: Modbus RTU to IEC 62056-21 Protocol Meter gateway specially designed for EMH LZQJ-XC Meter with RS485 on Modem Side
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LoRaWAN
LoRaWAN
In today's rapidly digitizing world, IoT (Internet of Things) devices and applications are becoming increasingly prevalent. In this context, long-range wireless communication technologies play a significant role. One such technology that stands out is LoRa, which offers an innovative solution for low-power, long-range wireless communication.
MQTT
MQTT
As the Internet of Things (IoT) continues to grow, the demand for efficient, lightweight, and reliable communication protocols becomes essential. One of the most popular protocols meeting these demands is MQTT (Message Queuing Telemetry Transport).
Broadband Power Line (BPL)
Broadband Power Line (BPL)
Broadband Powerline Technology (BPL), also known as Powerline Communication (PLC), represents a revolutionary approach to data transmission, leveraging the existing electrical power infrastructure to deliver broadband internet connectivity.
Wireless MBus (WMBus)
Wireless MBus (WMBus)
In an era defined by connectivity and data-driven decision-making, the need for efficient and reliable metering solutions has never been greater. Enter Wireless M-Bus (Meter-Bus) technology, a versatile and robust platform designed to revolutionize remote meter reading and data communication in utility management systems.
IEC62056-21 (for Electricity Meters)
IEC62056-21 (for Electricity Meters)
IEC 62056-21 is an international standard for communication with electricity meters. Developed by the International Electrotechnical Commission (IEC), this protocol standardizes the way data is exchanged between meters and various devices or systems, ensuring interoperability and efficient data management.
P1 Companion Standard (for Electricity Meters)
P1 Companion Standard (for Electricity Meters)
Smart energy meters have become essential in monitoring and controlling energy usage. To facilitate better integration, communication, and functionality of these smart meters, standards are crucial. One such standard, particularly relevant in Europe, is the P1 Companion Standard.
Modbus RTU
Modbus RTU
Modbus RTU is a widely recognized and utilized communication protocol in the field of industrial automation. Developed by Modicon (now Schneider Electric) in 1979, it was designed to facilitate communication between various electronic devices, primarily programmable logic controllers (PLCs).
Modbus TCP
Modbus TCP
Modbus TCP, also known as Modbus TCP/IP, is a widely adopted communication protocol in the industrial automation sector. It was developed to enable Modbus communication over Ethernet networks, combining the reliability and simplicity of the Modbus protocol with the versatility of Ethernet.
LoRa RF Communication
LoRa RF Communication
LoRa stands for Long Range and is a proprietary wireless modulation technique developed by Semtech. Essentially, LoRa is the physical layer, or the hardware, that allows long-range communication between devices.