JPAC-C346

JPAC-C346

JPAC-C346

JPAC-C346

间隔设备层主要为：多功能网络电力仪表。这些装置分别对应相应的一次设备安装在电气柜内，这些装置均采用RS485通讯接口，通过现场M《联系人；欧先生》
《座机：0592-5709825》
《传真：0592-5917519》
《24小时热线：18030229053微信同步》
《QQ  ：2479261344》
《QQ邮箱：2479261344@qq》
OD总线组网通讯，实现数据现场采集。

网络通讯层主要为：串口服务器及光纤收发器，其主要功能为把分散在现场采集装置集中采集，同时远传至站控层，完成现场层和站控层之间的数据交互。

站控管理层：设有高性能工业计算机、显示器、UPS电源、打印机等设备。监控系统安装在计算机上，集中采集显示现场设备运行状况，以人机交互的形式显示给用户。

以上网络仪表均采用RS485接口和MOD-RTU通讯协议，RS485采用屏蔽线传输，一般都采用二根连线，接线简单方便；通讯接口是半双工通信即通信的双方都可以接收、发送数据但是在同一时刻只能发送或接收数据，数据 传输速率为10Mbps。

RS485接口是采用平衡驱动器和差分接收器的组合，抗噪声干扰能力增强，总线上允许连接多达30个设备， 大传输距离为1km。

2  电能管理系统主要功能

2.1  数据采集与处理

数据采集是配电监控的基础，数据采集主要由底层多功能网络仪表采集完成，实现远程数据的本地实时显示。需要完成采集的信号包括：三相电压U、三相电流I、频率Hz、功率P、功率因数COSφ、电度Epi、远程设备运行状态等数据。

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