Simulator

IoT Protocol -- 电力 101,104 协议

2023-02-20. Category & Tags: IoT, 101, 104, TCP, Ethernet, Emulator, Simulator

理论 #

洪城小电工 on 简书 #

工具 #

经典、简约的 101 和 104 主站、从站模拟器 #

  1. PMA 使用方法 by forum.huaweibak
  2. 101_104_MASTER, bak

其他 #

看起来比较不错的一款收费软件 CNY55~70(没有试过)

IoT Protocol -- Modbus

2021-02-20. Category & Tags: IoT, Modbus, RS232, RS485, RS422, Serial, COM, CAN1939, MQTT, Emulator, Simulator

OSI vs. Modbus Layers:

Tip:

  • RS-485/RS485’s new name is EIA-485.
  • UART usually (99%) means TTL in shops, not 232/485.
  • DB9 physical port usually (90%) means 232 electrical signals level standards.

Modbus Protocol #

See Also:

Each Modbus Slave has 4 tables with 9999 values in each table.

...