An inverter system comprising: a first control unit in a control part of the inverter system , and a second control unit in a power part of the inverter system , wherein the first control unit and the second control unit are configured to perform a communication; characterized by : a first storing unit in the control part , wherein the first storing unit is configured to store at least one data information in form of a library, wherein each data information comprises a control data address, a control data name, and a control data type, wherein the first control unit is configured to transmit control data to the second control unit , wherein the first control unit is further configured to receive power data from the second control unit , wherein the first control unit is further configured to set a communication protocol in association with the second control unit , thereby transmitting the control data and receiving the power data according to the set communication protocol, wherein the first storing unit is further configured to store a list of power data addresses stored in a second storing unit of the power part , and wherein the setting of the communication protocol comprises that the first control unit transmits an address with respect to necessary power data, and receives data type information corresponding to the necessary power data from the second control unit . a first control unit in a control part of the inverter system , and a second control unit in a power part of the inverter system , wherein the first control unit and the second control unit are configured to perform a communication; characterized by : a first storing unit in the control part , wherein the first storing unit is configured to store at least one data information in form of a library, wherein each data information comprises a control data address, a control data name, and a control data type, wherein the first control unit is configured to transmit control data to the second control unit , wherein the first control unit is further configured to receive power data from the second control unit , wherein the first control unit is further configured to set a communication protocol in association with the second control unit , thereby transmitting the control data and receiving the power data according to the set communication protocol, wherein the first storing unit is further configured to store a list of power data addresses stored in a second storing unit of the power part , and wherein the setting of the communication protocol comprises that the first control unit transmits an address with respect to necessary power data, and receives data type information corresponding to the necessary power data from the second control unit . a first storing unit in the control part , wherein the first storing unit is configured to store at least one data information in form of a library, wherein each data information comprises a control data address, a control data name, and a control data type, wherein the first control unit is configured to transmit control data to the second control unit , wherein the first control unit is further configured to receive power data from the second control unit , wherein the first control unit is further configured to set a communication protocol in association with the second control unit , thereby transmitting the control data and receiving the power data according to the set communication protocol, wherein the first storing unit is further configured to store a list of power data addresses stored in a second storing unit of the power part , and wherein the setting of the communication protocol comprises that the first control unit transmits an address with respect to necessary power data, and receives data type information corresponding to the necessary power data from the second control unit . <EOS>