TDM2511-Assembly & HW testing

PCA Assembly Instruction

Source file: Link

Placement File & iBOM: iBOM_2511.html

Important Note:
TDM25211-1 is Modbus RS485 to WIFI MQTT(Isolated RS485). 
TDM25211-2 is Modbus RS485 to WIFI MQTT (Non Isolate RS485). 

TDM2512 is Modbus RS485 to 4G MQTT
TDM25212-1 is Modbus RS485 to WIFI MQTT(Isolated RS485). 
TDM25212-2 is Modbus RS485 to WIFI MQTT (Non Isolate RS485). 

3D View: 

Test Instruction

TD

• • Firmware programing

Flash the firmware modified based on gmasse/esp-modbus-mqtt: A Modbus RTU (RS-485) to MQTT Gateway (based on ESP32)

Config MQTT sever

Using Mobus simulation tool to send