我用S7-300、S7-200和ET200M组成PROFIBUS_DP网络,但是,我把PROFIBUS硬件组态好后,往S7-300的CPU中下载时出现下列问题,请哪位老师帮我分析下:1、Attribute ID 84 is not available.
2、Attribute ID 76 is not available.
3、Attribute ID 78 is not available.
4、Online: Connection could not be established. The connection partner is not responding.