Ensure the NTC sensor used is 10K B3950. A 1% sensor is recommended for accuracy.
: The board can be configured for automatic data reporting at intervals between 1 to 10 seconds . Sending the frame 01 06 00 FD 00 00 18 3A disables this function. Read the Docs Key Features Digital Storage & Export
The is a 7-channel RS485 NTC Thermistor Temperature Sensor Module designed by eletechsup for industrial and consumer data acquisition . It functions as a Modbus RTU slave device, allowing multiple modules to be cascaded over a long-distance RS485 bus. Technical Specifications nt18b07 manual
The NT18B07 is a powerful and flexible tool for adding multi-channel temperature monitoring to any system that speaks Modbus RS485. By adhering to the specifications outlined in this manual—using the correct B3950 10K 1% NTC thermistors, properly configuring the RS485 network and unique module IDs, and correctly interpreting the scaled Modbus data—you can leverage this module for reliable and precise temperature acquisition across a vast range of applications.
Before diving into the manual, it is crucial to identify exactly which device you have. The code "NT18B07" typically breaks down as follows: Ensure the NTC sensor used is 10K B3950
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Connect your NTC sensors to the terminal blocks. Connect the RS485 interface to your controller (PLC, Arduino, or PC via a USB-to-RS485 converter). Sending the frame 01 06 00 FD 00
The NT18B07 can also be integrated directly into Home Assistant using the built-in MODBUS integration. A community user shared a configuration that worked for their setup:
Supports up to 247 modules via A0-A5 modification (default address depends on model).
If your model supports scheduling, you must set the time first.