UL 认证光伏系统电力仪表以太网通讯
1 概述
APM521 UL 认证光伏系统电力仪表以太网通讯（以下简称仪表）按IEC国际标准设计，具有全电量测量、电能统计、电能质量分析事件记录功能及网络通讯等功能，主要用于电网供电质量的综合监控。该系列仪表配有功能丰富的DI/DO模块、AO模块，可以灵活实现电气回路全电量测量及开关状态监控。
The APM521 network power meter (hereinafter referred to as the meter) is designed according to IEC international standards, featuring full electrical quantity measurement, energy statistics, power quality analysis, event logging functions, and network communication capabilities. It is primarily used for comprehensive monitoring of power supply quality in power grids. This series of meters is equipped with DI/DO modules and AO modules that offer a wealth of functions, allowing for flexible implementation of full electrical quantity measurement and monitoring of switch statuses in electrical circuits.
2 型号说明
注：K:开关量，DI:开关量输入，DO:开关量输出，C:RS485通讯，M:模拟量输出，CE:以太网通讯，Log:定时记录，R:导轨安装。
3 功能列表
4 技术参数
5 外形尺寸
5.1 仪表尺寸（单位：mm；公差：±1mm）
注：若统一水平面并排安装仪表，建议仪表开孔间距30mm。
6 资质证书
