Functions:<br> Experience precise temperature control with our 8-channel DS18B20 RS485 Modbus RTU temperature control sensor remote digital module.<br> Our module supports MODBUS RTU commands 03 and 06, allowing you to easily adjust temperature settings.<br> By changing the 485 address, up to 247 modules can be cascaded for use (if more than 16 modules are used, use R485-repeaters).<br> Using DS18B20 temperature and humidity sensors, up to 8 DS18B20 temperature sensors can be connected simultaneously.<br> Ideal for industrial systems, consumer products, and temperature-sensitive systems for both engineers and DIY enthusiasts.<br> Specifications:<br> Power: 6-24V<br> Working current: 8-13mA (depending on the number of external DS18B20)<br> MODBUS RTU command supports function code 03 06<br> Measurable temperature range: -55 ℃ to +125 ℃ (-67 ℉ to +257 ℉)<br> Size: approx. 70x46x18MM/2.75x1.81x0.71in<br> Weight: 40 g<br> Note:<br> Due to lighting effects and camera angles, there may be some variations in the product; please understand.<br> Allow 0-1 cm tolerance due to manual measurement.<br> Packaging includes:<br> 1st RS485 DS18B20 sensor module