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1.开始能正常通讯，配置好参数后一直触发SS保护，COV,SS,SDV置1，后面就无法正常通讯。
您好我们已收到您的问题并升级到英文论坛，如有答复将尽快回复您。谢谢！
您好，请问您能具体描述下您的问题吗？是什么通讯问题？
您可以先用通信线路的逻辑分析仪检查下通讯是否正常。
