CXOW Command — OneWire Module Configuration
Enables the OneWire module for temperature sensors and iButton coded keys.
What is it for?
| Use case | Description |
|---|---|
| 🌡️ Temperature monitoring | Enable DS18B20 sensors for cold chain |
| 🔑 Driver identification | Use iButton/Dallas keys for access control |
| 🆔 Sensors as keys | Register temperature sensors as ICL coded keys |
Syntax
Configure
SCXOWa,bQuery
QCXOWResponse
RCXOWa,bParameters
| Parameter | Description |
|---|---|
| a | Working mode: 0 = disabled, 1 = enabled (the firmware accepts values 0-30 without error, but only 0 and 1 have supported effect) |
| b | (Optional) Enable temperature sensors as coded keys for ICL: 0 = disabled, 1 = enabled |
Parameter b is available from firmware v1.09.04 onwards.
The firmware does not strictly validate that a is 0 or 1: it accepts any value between 0 and 30 without error, but only 0 and 1 have supported and documented behavior. Do not send other values.
Related Commands
| Command | Description |
|---|---|
| OW | OneWire devices query |
| DT | OneWire temperature reading |
| ICL | Driver identification by key |
Compatibility
💾Firmware:v1.02.03
💾Firmware v1.02.03
SP-IOT
SM-IOT
Parameter b from v1.09.04
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