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名称 ID 标签 描述 类型 访问 分类
RelayThresholdHigh 4037 Relay Thres High (%) When PV is above this threshold, relay output will go high 读/写 浮点 2
RelayOnDelay 4038 Relay On Delay (sec) PV must remain above the high threshold for this long before the relay output will go high 读/写 无符号 2
RelayOffDelay 4039 Relay Off Delay (sec) PV must remain below the low threshold for this long before the relay output will go low 读/写 无符号 2
RelayLowValue 403A Relay Low Value (%) Low relay output value. Used to limit valve travel 读/写 浮点 2
RelayHighValue 403B Relay High Value (%) High relay output value. Used to limit valve travel 读/写 浮点 2
percentValue 400E % water Field Device Variable Value- Digital value that changes magnitude with respect to time with no user intervention. Percent- Percent of water in process fluid. 读 浮点 10
percentUnits 400F % water units % water units- Engineering units to be displayed with percent of water in process fluid. 读 枚举 0
percentFamily 4010 Percent Dev fmly 设备类别——表示设备变量所属的类别（即压力、温度、流量等）。 读 枚举 2048
percentClassification 4011 Percent Class 分类——表示用于特殊动态或设备变量的单位代码扩展表。 读 枚举 0
percentPDQ 4012 Percent PDQ 过程数据质量——表示设备变量值的整体过程数据质量。 读 枚举 10
名称 ID 标签 描述 类型 访问 分类