Slave Func. Reg.HighReg.LowNumberHighNumberLowCRCLowCRCHigh1 0x10In the event of an error, the AD-MM 400 will respond with an error message:Slave Error Code Exception CRC Low CRC High1 0x90 see 7.6 ... ...7.6 Exception CodesIn the event of an error, the AD-MM 400 will respond with a Error telegram and oneof the following exception codes. As The function code is returned with 0x80.1 (0x01) The Modbus function is not supported.2 (0x02) The register address does not exist.3 (0x03) The data is invalid.26