Title: 32 Pumper modbuss teknisk data.pdf.pdf
If the holding register of address 00001 "SlaveMinimumReplyDelay" is set too high, the master may time out before receiving the response from the slave.Increase the time-out span in the master in order to communicate.2. The slave responds with exception response 0x01: "Invalid function".2. The slave responds with exception response 0x01: "Invalid function".a) The master is trying to use an unsupportedfunction in the module or unit.See section 8. Modbus function code overview for supported function codes. Note that reading and writing coils are not supported, so only register functions and diagnostics are valid.3. The slave responds with exception response 0x02: "Invalid data address".3. The slave responds with exception response 0x02: "Invalid data address".