``Modbus Register Map - Standard RS485 v1.3.xls`` — contains the lastest map for Modbus registers. Online version is also available [here](https://docs.google.com/spreadsheets/d/1Ok_58PskECSppqS1aFtJt0gJQCIue_p_/edit?usp=sharing&ouid=106773498671056688162&rtpof=true&sd=true).