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What is Mini RS485 Temperature Collector Module about?

The document describes a mini RS485 temperature collector module that uses an NTC thermistor resistor to measure temperature between -20 and 125 degrees Celsius with 1% accuracy. It uses MODBUS RTU protocol over RS232 or RS485 and can be cascaded to monitor up to 247 sensors. The module measures 30x15x6mm and weighs 2g.

Author

Mirosław Walasik

Language

EN