说明：  矿用变频开关技术方案，1000KW大功率变频器
(This list holds information about the transactions between the Modbus network and the module, from the perspective of the module. It is a list available from the module, which is possible to be retrieved acyclically (using parameter access) by the PROFIBUS DP-V1 network. It contains a byte array with 64 elements, where each byte contains a transaction status code as in the table below. The indexes in the transaction status list correspond completely to the indexes in the transaction live list.)