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REDZ LKM Series, User Manual

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REDZ LKM Series User Manual Download Page 8

 

4.7 Top Side: LKM141 & LKM144

4.7 Top Side: LKM141 & LKM144

 

 

LED Number

LED Number

Description

Description

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

4.8 Top Side: LKM614

4.8 Top Side: LKM614

LED Number

Description

1

Mode 4 LED

Summary of Contents for LKM Series

Page 1: ...ud changes or fixed baud rates and supportsup to 10 meters on RS485 bus LKM614 is especially designed for EMH LZQJ XC meters and it is direct replacement for Variomod XC modules 2 Hardware Features LK...

Page 2: ...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 con...

Page 3: ...ale connector for RS232 Only Tx Rx GND for data transmission Pin Number Description 1 Not Used 2 Rx 3 Tx 4 Not Used 5 GND 6 Not Used 7 Not Used 8 Not Used 9 Not Used 4 2 Modem Side LKM144 1 Terminal C...

Page 4: ...IEC62056 21 protocol ON OFF Mode 2 LED ON 9600 8N1 Starts with 300 baud rate and changes during transmission to target baud rate based on IEC62056 21 protocol OFF ON Mode 3 LED ON 19200 8N1 19200 7E1...

Page 5: ...nal also has external power input pins Pin Number Description 1 Input Power 3 3V 28V DC 2 Input Power GND 3 GND 4 A 5 B NOTE Power Input has polarity protection Yet again please check polarity when co...

Page 6: ...2056 21 protocol OFF ON Mode 2 LED ON 9600 8N1 Starts with 300 baud rate and changes during transmission to target baud rate based on IEC62056 21 protocol ON OFF Mode 3 LED ON 19200 8N1 19200 7E1 Fixe...

Page 7: ...s during transmission to target baud rate based on IEC62056 21 protocol ON OFF Mode 2 LED ON 9600 8N1 Starts with 300 baud rate and changes during transmission to target baud rate based on IEC62056 21...

Page 8: ...n 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 4 8 Top...

Page 9: ...Direct Cable and to Remote Server over TCP IP LKM Series Modbus RTU to IEC62056 21 Protocol Gateway can be connected to RS485 serial line of meter and can operate in fixed baud rate mode Other side o...

Page 10: ...to Data Acquisition Server via Cable connection as well and server can read data with Modbus RTU protocol 5 4 LKM Connected to Meter via Direct Cable and to Remote Server over Field Device LKM Series...

Page 11: ...AN 6 IEC62056 21 and MODBUS Definitions LKM Series Modbus RTU to IEC62056 21 Protocol Gateway s one side should be connected directly or via optical probe to read electricity meter with IEC62056 21 pr...

Page 12: ...Long UInt32 10 8 8 0 8 8 0 Total reactive capacitive energy export Rc Q4 19 0x13 Unsigned Long UInt32 11 1 6 0 1 6 0 Total maximal average import power P max 21 0x15 Unsigned Long UInt32 12 2 6 0 2 6...

Page 13: ...vent power down counter 47 0x2F Unsigned Long UInt32 The search strings are defined in firmware of device and can be customized based on customer s project LKM Series Modbus RTU to IEC62056 21 Protoco...

Page 14: ...ng UInt32 6 4 8 0 4 8 0 Total reactive energy R 11 0x0B Unsigned Long UInt32 7 5 8 0 5 8 0 Total reactive inductive energy import Ri Q1 13 0x0D Unsigned Long UInt32 8 6 8 0 6 8 0 Total reactive capaci...

Page 15: ...reads the read out table table number can be configured by user with Modbus command See relevant section to configure of IEC62056 21 meter and searches the strings and maps the values of first occurre...

Page 16: ...resse example for other meters 2nd meter 0105 3th meter 0205 10th meter 0905 All meters can be read by field Modbus RTU master device simultaneoulsy by different registers 0008 The total number of reg...

Page 17: ...of IEC62056 21 meter and following settings can be read or altered Register Number Definition Explanation Modbus Address Decimal Modbus Address Hexadecimal Data Type 1 Modbus Address LKM Series Modbu...

Page 18: ...KM Series Modbus RTU to IEC62056 21 Protocol Gateway reads the read out table and simultaneously checks each read line for the first occurrence of search strings If a new match occurs than the found v...

Page 19: ...Holding Register command Function Code 0x03 Values can be queried individually or as array as shown in Modbus Data Registers reading 6 7 Read Data Settings Table Altering with Modbus Commands LKM Seri...

Page 20: ...d parsed 1 Method 1 Read full table and check BCC and register data Hexadecimal 0x00 2 Method 2 Read each line of table and register data during reading Hexadecimal 0x01 WARNING Method 1 fails in long...

Page 21: ...31 0037 The value to write to register 40131 37 hex 7 as ASCII code 6834 The CRC cyclic redundancy check for error checking Response 01 06 0082 0037 6834 01 The Slave Address 01 hex address1 06 The Fu...

Page 22: ...means not used NOTE IEC Meter Address values for all meters in RS485 bus can be altered with Preset Multiple Registers Function Code 16 Command in this table 160 0xA0 Unsigned Long UInt32 2 IEC Read C...

Page 23: ...Original version if the device firmware changed in the field Includes version and build date 0x1437E302 0x12 DAY 20 0x3 MONTH 3 0x7E3 YEAR 2019 0x02 VERSION 2 168 0xA8 Unsigned Long UInt32 6 Initializ...

Page 24: ...same RS485 bus It must be different then 0 176 0xB0 Unsigned Long UInt32 10 IEC Device Address for Meter Number 5 IEC address of the 5th meter in same RS485 bus It must be different then 0 178 0xB2 Un...

Page 25: ...mmands LKM Series Modbus RTU to IEC62056 21 Protocol Gateway device monitoring parameters table has following paramaters that can be altered by user by Preset Multiple Registers Command Function Code...

Page 26: ...ware can be used to read all parameters of LKM devices alter parameters that are allowed to change and read all registers for all meters connected to LKM devices This is unoffical software for LKM ser...

Page 27: ...cking Select Path button the firmware can be loaded to device The device has protection time window 10 seconds after the powered up so the process must be started within 10 seconds after the device po...

Page 28: ...ay LKM614 Modbus RTU to IEC 62056 21 Protocol Meter gateway specially designed for EMH LZQJ XC Meter with RS485 on Modem Side 9 Product Selection Model 3 3 28V DC Power input Operating Mode Selections...

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