PTA9B01: cheap Modbus temperature sensor, when you need one more temperature of cover long distance
Do you need a cheap temperature sensor for your automation project. This is a single temperature Modbus sensor you can place far away from your PLC and use the cheaper PT100 resistive sensor element as the sensor is close to the device and the short sensor wire resistance has less impact on the measurement. RS485 Modbus RTU offers long communication distance without any issues.
Search for pta9b01 on Aliepxress, there are dozens of sellers. This guy has but more sales than everyone else: https://www.aliexpress.com/item/10050...
ebay UK: https://www.ebay.co.uk/itm/385384203745
Documentation: https://drive.google.com/file/d/172bN...
Chapters:
0:00 Intro
0:13 Why is it useful?
1:27 The device
2:31 Getting data
4:47 Changing address
5:47 Compensation
7:11 Outro