Read Holding Registers (used for reading temperature data).

If you have searched for the you are likely the owner of a specific electronic device—most commonly a LED/LCD TV, a computer monitor, or a portable DVD player. The model number NT18B07 appears across various budget electronics manufactured in the mid-2010s, often sold under brand names like Sceptre , Westinghouse , or generic white-label distributors.

In many industrial applications, more than seven temperature sensors are needed. The NT18B07 supports cascading up to 247 modules. However, the process requires configuring a unique slave ID for each module to avoid Modbus address conflicts on the same RS485 bus.

modbus_controller:

The NT18B07 uses the MODBUS RTU protocol for data exchange. Understanding this is key to integrating it with any control system.