Modbus registers are written directly in response to receiving an MQTT message. They should instead be written to a queue in the modbus_interface and written to the device in a controlled way rather than letting MQTT set the pace. Modbus isn't very fast.
Modbus registers are written directly in response to receiving an MQTT message. They should instead be written to a queue in the modbus_interface and written to the device in a controlled way rather than letting MQTT set the pace. Modbus isn't very fast.