命令名称：read_echo_data

命令ID：4455

命令号：145

命令操作：cmdOpRead

命令中事务个数：1

事务列表

    事务号：0

    事务中请求数据列表

条目类型	标识	掩码	整数	浮点	变量ID
cmdDataReference	cmdDataItemFlg_None	0	0	0	curveType
cmdDataReference	cmdDataItemFlg_None	0	0	0	startIndex

    事务中响应数据列表

条目类型	标识	掩码	整数	浮点	变量ID
cmdDataReference	cmdDataItemFlg_None	0	0	0	response_code
cmdDataReference	cmdDataItemFlg_None	0	0	0	device_status
cmdDataReference	cmdDataItemFlg_None	0	0	0	echoYval1
cmdDataReference	cmdDataItemFlg_None	0	0	0	echoYval2
cmdDataReference	cmdDataItemFlg_None	0	0	0	echoYval3
cmdDataReference	cmdDataItemFlg_None	0	0	0	echoYval4
cmdDataReference	cmdDataItemFlg_None	0	0	0	echoYval5
cmdDataReference	cmdDataItemFlg_None	0	0	0	echoYval6
cmdDataReference	cmdDataItemFlg_None	0	0	0	echoYval7
cmdDataReference	cmdDataItemFlg_None	0	0	0	echoYval8
cmdDataReference	cmdDataItemFlg_None	0	0	0	echoYval9
cmdDataReference	cmdDataItemFlg_None	0	0	0	echoYval10
cmdDataReference	cmdDataItemFlg_None	0	0	0	echoYval11
cmdDataReference	cmdDataItemFlg_None	0	0	0	echoYval12
cmdDataReference	cmdDataItemFlg_None	0	0	0	echoYval13
cmdDataReference	cmdDataItemFlg_None	0	0	0	echoYval14
cmdDataReference	cmdDataItemFlg_None	0	0	0	echoYval15
cmdDataReference	cmdDataItemFlg_None	0	0	0	echoYval16
cmdDataReference	cmdDataItemFlg_None	0	0	0	echoYval17
cmdDataReference	cmdDataItemFlg_None	0	0	0	echoYval18
cmdDataReference	cmdDataItemFlg_None	0	0	0	echoYval19
cmdDataReference	cmdDataItemFlg_None	0	0	0	echoYval20
cmdDataReference	cmdDataItemFlg_None	0	0	0	echoYval21
cmdDataReference	cmdDataItemFlg_None	0	0	0	echoYval22
cmdDataReference	cmdDataItemFlg_None	0	0	0	echoYval23
cmdDataReference	cmdDataItemFlg_None	0	0	0	echoYval24