GE Multilin UR8LH电源模块
标准功能1.2.1测量I a、I b、I c、I n、Van、Vbn、Vcn、Vab、Vbc、Vca、电压/电流不平衡、功率因数、线路频率、瓦特、vars、VA、Wh、varh、VAh以及a、W、vars和VA的需求读数的真RMS监测。记录测量量的最大值和最小值，并标记日期和时间。40个字符的液晶显示器用于编程设定点、监控值和状态。a） 报警可为所有测量量设置报警条件。这些包括过电流、欠电流、中性电流、电流不平衡、电压不平衡、相位反转、过频、欠频、功率因数、开关输入等。报警信息以简单易懂的英文格式显示。b） 通信PQM配备一个标准RS485端口，使用Modbus或DNP 3.0协议。通过将PQM仪表连接到DCS或SCADA系统，这可用于集成工厂自动化系统中的工艺、仪表和电气要求。Standard Features 1.2.1 Metering True RMS monitoring of I a, I b, I c, I n, Van, Vbn, Vcn, Vab, Vbc, Vca, voltage/current unbalance, power factor, line frequency, watts, vars, VA, Wh, varh, VAh, and demand readings for A, W, vars, and VA. Maximum and minimum values of measured quantities are recorded and are date and time stamped. A 40-character liquid crystal display is used for programming setpoints and monitoring values and status. a) Alarms Alarm conditions can be set up for all measured quantities. These include overcurrent, undercurrent, neutral current, current unbalance, voltage unbalance, phase reversal, overfrequency, underfrequency, power factor, switch inputs, etc. The alarm messages are displayed in a simple and easy to understand English format. b) Communication The PQM is equipped with one standard RS485 port utilizing the Modbus or DNP 3.0 protocols. This can be used to integrate process, instrumentation, and electrical requirements in a plant automation system by connecting PQM meters together to a DCS or SCADA system.
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