https://wiki.raudys.com/ 2026-11-02T09:59:10+00:00 https://wiki.raudys.com/ https://wiki.raudys.com/lib/exe/fetch.php?media=wiki:dokuwiki.svg text/html 2020-05-07T16:14:00+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.raudys.com/doku.php?id=modbus:ddm18sd&rev=1588868040&do=diff DDM18SD Energy Meter <https://www.aliexpress.com/item/33003316323.html> USE Example Troubleshooting Warning ♦ During maintenance, do not touch the wiring of the meter with your hands, metal, or bare wires to prevent electric shock. ♦ Always disconnect the power to the meter and disconnect the power to the meter installation device before performing maintenance. Danger ♦ Only qualified personnel who are familiar with the relevant operations and procedures can perform maintenance on this met… text/html 2021-11-08T22:22:52+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.raudys.com/doku.php?id=modbus:dds238&rev=1636410172&do=diff modbus power meter DDS238-2 ZN/S single phase Din rail KWH Watt hour energy meter with RS485 MODBUS-RTU <https://www.aliexpress.com/item/32812065998.html> import minimalmodbus import time import serial import datetime instrument = minimalmodbus.Instrument('com6', 0x01, debug=True) # port name, slave address (in decimal) instrument.serial.baudrate = 9600 instrument.serial.stopbits = 1 instrument.serial.parity = serial.PARITY_NONE instrument.serial.timeout = 1 print(instrument.serial) va…