UL certified photovoltaic system power instrument Ethernet communication

UL certified photovoltaic system power instrument Ethernet communication

1 Overview

APM521UL certified photovoltaic system power instrument Ethernet communicationThe instrument (hereinafter referred to as the instrument) is designed according to IEC international standards and has functions such as full power measurement, power statistics, power quality analysis event recording, and network communication. It is mainly used for comprehensive monitoring of power supply quality in the power grid. This series of instruments is equipped with feature rich DI/DO modules and AO modules, which can flexibly achieve full power measurement and switch status monitoring of electrical circuits.

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 Model Description

Note: K: switch quantity, DI: switch quantity input, DO: switch quantity output, C: RS485 communication, M: analog quantity output, CE: Ethernet communication, Log: timed recording, R: rail installation.

3 Function List

4 Technical parameters

5 External dimensions

5.1 Instrument dimensions (unit: mm; tolerance: ± 1mm)

Note: If instruments are installed side by side on a unified horizontal plane, it is recommended to have instrument openings spaced 30mm apart.

6 Qualification Certificates