CET PMC-340 User Manual

CET Inc.
8
Chapter 1 Introduction
This manual explains how to use the PMC-340 Series Digital Three-Phase Energy Meter. Throughout
the manual the term “meter” generally refers to all models.
This chapter provides an overview of the PMC-340 meter and summarizes many of its key features.
1.1 Overview
The PMC-340 Series Digital Three-Phase Energy Meter is CET’s latest offer for the low voltage
power/energy metering market featuring DIN rail mount, high accuracy, multifunction measurements
and a large, easy to read LCD display. The PMC-340 complies with the IEC 62053-21 Class 1 and IEC
62053-22 Class 0.5S kWh Accuracy Standards for 100A Direct Input and 5A CT Input, respectively. The
PMC-340 comes standard with a LED as well as a Solid State Pulse Output for energy pulsing. The
PMC-340 optionally provides 2MB memory for Data Recording and 3 Digital Inputs for status
monitoring, Tariff switching or pulse counting for collecting WAGES (Water, Air, Gas, Electric and Steam)
information. The standard RS-485 port and Modbus protocol support allows the PMC-340 to become
a vital component of an intelligent, multifunction monitoring solution for any Power and Energy
Management Systems.
You can setup the meter via our free PMC Setup software. The meter is also supported by our
PecStar® Integrated Energy Management System.
The PMC-340 is available in two models: PMC-340A and PMC-340B. Following is a list of typical
applications for the PMC-340:
 DIN rail mount energy metering
 Industrial and commercial metering
 Substation, building and factory automation
 Sub-metering
 Power quality monitoring
1.2 Features
Ease of use
 Easy to read LCD
 Two LED indicators for energy pulsing and communications activities
 Password-protected setup via front panel or free PMC Setup software
 Easy installation with DIN rail mounting, no tools required
 3-phase power supply, no external control power required
Basic Measurements
 Multifunction measurements
o Voltage, Current, kW, kvar, kVA, PF, Phase Angle and Frequency
o Per phase kWh and kvarh Imp/Exp/Tot/Net and kVAh
o 4-Quadrant kvarh
o Device Operating Time (Running Hour)
o Voltage/Current THD, THOD, THED, Individual harmonics up to 31
st
and Unbalance
o Current TDD, TDD Odd, TDD Even, K-factor and Crest Factor
o kW/kvar/kVA Total Demands. Max. Demands and Max Demands per Tariff

CET PMC-340 Specifications

General

Brand	CET
Model	PMC-340
Category	Measuring Instruments
Language	English