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CET Inc.
Chapter 1 Introduction
This manual explains how to use the PMC-512-D DC Multi-Circuit Power Monitor.
This chapter provides an overview of the PMC-512-D and summarizes many of its key features.
1.1 Overview
The PMC-512-D Multi-Circuit Power Monitor is CET’s latest offer for Data Center, Telecom Base Station,
Renewable Energy, Commercial Building and Industrial Automation applications that require Direct
Current (DC) multi-circuit monitoring. Housed in compact DIN Rail Mountable enclosure, the PMC-512-
D is perfectly suited for applications that have high density metering requirements. The PMC-512-D
features quality construction with multifunction and high-accuracy measurements, one Mains Input and
up to 12 Branch Circuit Inputs. The PMC-512-D comes standard with 13 Digital Inputs for status
monitoring, one Relay Output for control or alarming as well as one Analogue Input for temperature
measurement or other analogue input applications. The standard SOE Log records all setup changes,
alarms and DI/DO operations in 1ms resolution. With dual RS-485 as standard feature supporting
Modbus RTU, the PMC-512-D can easily be deployed in a centralized monitoring and control system such
as CET’s PecStar® iEMS, for a DC Power Distribution Network.
Typical Applications
Data Center DC Power Monitoring
Photovoltaic DC Distribution Boards
Telecom Base Station DC PDUs
Other DC Power Distribution Applications
The above are just a few of the many applications. Contact CET Technical Support should you require
further assistance with your application.
1.2 Features
Ease of use
Status LEDs - Run, Pulse and Comm. Activities
Self-Diagnostic function
Password-protected setup via the Front Panel (Future)
Compact, DIN Rail Mount for easy installation
Measurements
Mains Measurements
Option
A (Mains Current Type = Incomer Current):
•
Voltage
•
Current, %Loading, Power and Energy
•
Present Demand, Peak Demand for This Month and Last Month,
Option B (Mains Current Type = Residual Current):
•
Voltage
•
Residual Current