{"output":{"reason":{"value_type":"string","label":"报警原因","type":"input","value":"打滑，剃齿"},"error":{"value_type":"string","label":"报警内容","type":"input","value":"速度超差"}},"exp_flag":true,"datasource":{"value_type":"string","label":"数据来源","type":"data","value":"1"},"before_exec":"1","function":{"result":{"value_type":"double","param":{"limit_down":{"value_type":"double","label":"下限","type":"input","value":"-32768"},"limit_up":{"value_type":"double","label":"上限","type":"input","value":"5"},"hold_time":{"value_type":"double","label":"持续时间[ms]","type":"input","value":"20000"}},"label":"监控变量","type":"exp","value":"abs(tag1-tag2)"},"filter_exp":{"value_type":"bool","label":"数据筛选","type":"exp","value":"tag1>10"},"pre_result":{"value_type":"bool","label":"执行前置条件","type":"exp","value":"pv1_1==tag1"}},"trigger":{"value_type":"string","label":"执行周期ms","type":"interval","value":"50"},"self_learning":{"mode":0,"is_learning":true,"mode_descripiton":"0-手动设置的区间;1-在线更新的区间；2-离线分析的区间"},"tags":{"tag1":{"type":"data","label":"tag1","value":"BR2_1_V_set","value_type":"auto"},"tag2":{"type":"data","label":"tag2","value":"BR2_1_V_act","value_type":"auto"}}}