DPMS XPQ User manual
POWER INSTRUMENTS
DPMS XPQ Multi-Function Power Meter
User Manual 1087-332
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POWER INSTRUMENTS
Copyright 2008© V1.0
This manual may not be reproduced in whole or in part by any means,
without the expressed written consent of AMETEK.
The information contained in this document is believed to be accurate at
the time of publication, however, AMETEK assumes no responsibility for any
errors which may appear here and reserves the right to make changes without
notice. Please ask your local representative for the latest product specications
before ordering.
II
DPMS XPQ User Manual
Please read this manual carefully before installation, operation and
maintenance of the DPMS XPQ meter.
The following symbols are used in this user’s manual and on the DPMS
XPQ meter to alert the danger or to prompt in the operating or setting process.
Danger symbol, Failure to observe the information may result in
injury or death.
Alert symbol, Alert to potential danger. Observe the information
after the symbol to avoid possible injury or death.
Installation and maintenance of the DPMS XPQ meter should only be
performed by qualied, competent personnel that have appropriate training and
experience with high voltage and current devices.
AMETEK is not liable for any problems that occur under proper operation.
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POWER INSTRUMENTS
content
Chapter 1 Introduction……………………………………………………………………………6
Purpose..................................………………………………………………………7
Application Area..............................………………………………………………………9
Function......................................………………………..……………………………9
Comparison......................................………………………………………….………10
Chapter 2 Installation……………………………………………………………………………12
Appearance and Dimensions……………………..……………………………………13
Installation Method…………………………………………………….……….….……14
Wiring.......................………………………………………………...……………………17
Chapter 3 Meter Operation and Parameter Setting…………….…………………………36
Display Panel and Key………………………………….………………………………37
Metering Data Reading…………………………………...……………….……………39
Statistics Display……………………...…………………………………………………43
Meter Parameter Setting…………….………………….…....…………………………44
Energy Parameter Setting……………………………….………………………..……51
Voltage Eligibility Parameter Setting…………….……….……………………………53
Chapter 4 Function and Software…………………………….………………………..……56
Basic Analog Measurements……………………………....…………………….………57
Event Alarming…………………………………………………………..………………74
Chapter 5 Communication……………………………………………………..…….…………86
Introducing Modbus Protocol…………………….….….………………..………………87
Format of the communication………………………………….….……………………..90
Data Address Table and Application Details........................…..………………………96
Appendix……………………………………………………..……………………..……………122
Appendix A Technical Data and Specication………………………………………123
Appendix B Ordering Information………………………………………………..……127
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DPMS XPQ User Manual
Getting Started!
Congratulations!
You have received an advanced, versatile, multifunction power meter, also
known as a Remote terminal unit (RTU), which will greatly benet your power
system.
When you open the package, you will nd the following items.
1. DPMS XPQ meter 1
2. 14-Pin terminal 2
3. Installation clips 4
4. User’s operation manual 1
5. Maintenance guarantee card 1
Please read this manual carefully before operating or setting the meter to
avoid unnecessary results. You can read only part of this manual depending on
how you use the meter.
Chapter 1 helps you to understand the fundamental function, specication
and application area.
Chapter 2 describes detailed installation and wiring.
Chapter 3 describes the data display and parameter setting method.
Chapter 4 outlines the functions of the meter and the way to use them.
Chapter 5 gives the address table.
Appendix lists the technical data and specifications and ordering
information.
Chapter 1 Introduction
Purpose
Application Area
Functions
DPMS XPQ Series
5
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DPMS XPQ User Manual
Purpose
Powerful Multifunction Power Meter
The DPMS XPQ series multifunction power meter is the new generation of
the very popular DPMS. It has more functions and higher accuracy. It not only
integrates three-phase energy measuring and displaying, energy accumulating,
harmonic measuring, malfunction alarm, statistics and records, digital input /
output and network communication, but also contains the following functions:
four quadrant energy measuring, time-of-use (TOU), auto-freezing, waveform
and over range waveform capture, programmable over range alarming,
schedule of events, trending records etc. Graceful and high-lighted back light
makes it easy to check the measuring data. Simple HMI interface makes it easy
to master. The multi-row display lets you observe various data without touching
any keys.
Ideal Choice for Electric Automation SCADA System
The DPMS XPQ can be used to replace all traditional electric meters.
It also can be used as a Remote Terminal Unit (RTU) for monitoring and
controlling in a SCADA system. All the measured data is available via digital
RS485 communication ports running the ModbusTM protocol.
Energy Management
The DPMS XPQ can measure double direction four quadrant kWh and
kVARh with accuracy up to class 0.5S of IEC60253-22. It can provide maximum/
minimum energy data and energy demand data. With the help of software, you
can easily know how the load and energy are running. It also gives you all kinds
of measurement tables.
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POWER INSTRUMENTS
Remote Power Control
The main function of the DPMS XPQ is measurement, but it also has some
exible I/O functions. This makes the meter very useful as a distributed RTU
(metering, monitoring, remote controlling in one unit).
Power Quality Analysis
With the powerful digital signal processing ability, the DPMS XPQ intelligent
power meter can be used as an online power quality analysis instrument. It can
simultaneously and continuously give out the analysis results such as THD of
voltage and current, harmonics up to the 31st order and an unbalance factor of
voltage and current, etc. Main functions of the DPMS XPQ are listed in table 1.1.
Metering Energy
VLN, VLN average, VLL, VLL average.
I, I average, IN.
Power, Reactive Power, Apparent Power and Power
factor of each phase and total.
Frequency.
Bidirectional, four quadrants and system Energy,
Reactive Energy, Apparent Energy
Programmable energy freezing.
Period Energy, Reactive Energy, Apparent Energy
Four time zone schedules.
Statistics and Records Energy and Demand
Max/Min value of statistics with time stamp
Maximum of Demand
SOE, Waveform capture and records
kWh, kVARh of 4 quadrants:
Import, Export, Total, Net
Demand of Power and Reactive Power
Power Quality Analysis Over range Alarming
THD, Even THD and Odd THD of Voltage, Current
Harmonics and Crest factor of Voltage
Telephone Harmonic waveform Factor (THFF).
Harmonics and K Factor.
Unbalance Factor of Voltage and Current.
Statistics of Voltage Eligibility.
Monitor up to 240 parameters.
Programmable parameter limitations.
Programmable alarming logic.
Alarming outputs combined with DO or Relays.
Auto-recording of alarming events.
Alarming-trigger waveform recording.
Communication I/O port and Control
RS485 Communication port.
Modbus RTU Protocol
4 Digital Input (DI) (Wet or Dry)
2 Relay Output and 2 Digital Output (DO)
Table 1.1 Main functions of the DPMS XPQ series
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DPMS XPQ User Manual
Application Area
Power Distribution Automation Intelligent Electric Switch Gear
Industry Automation Building Automation
Energy Management System Large UPS System
Function
Multifunction, High Accuracy
The DPMS XPQ sSeries multifunction Intelligent power meter is powerful
in data collecting and processing. Electric power parameters; metering,
energy accumulating ,harmonic measuring, malfunction alarming, statistics
and records, digital input /output and network communication, four quadrant
energy measuring, time-of-use(TOU), auto-freezing, waveform and over range
waveform capture, programmable over range alarming, schedule of events,
trending records etc.
Accuracy of Voltage and Current is 0.2%, True-RMS
Accuracy of Power and Energy is 0.5%, four quadrants metering.
Small Size and Easy Installation
With the size of DIN96 ×96 and 55mm depth after mounting, the DPMS
XPQ can be installed in a small cabin. The fixing clips are used for easy
installation and removal.
Easy to Use
With a large high density LCD screen, the display of the DPMS XPQ is
easy to read and use. All the setting parameters can be accessed by using
panel keys or a communication port. The setting parameters are protected in
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