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 specications
before ordering.

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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 qualied, 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 Specication………………………………………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 benet 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, specication
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
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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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POWER INSTRUMENTS
EEprom, which will maintain its content after the meter is powered off. With the
backlight of the LCD, the display can be easily read in a dim environment. The
back light “on” time is selectable.
Multiple Wiring Modes
The DPMS XPQ can easily be used in either: high voltage, low voltage,
three phase three wires, three phase four wires or a single phase system.
High safety, high stability, the DPMS XPQ was designed according to industrial
standards. It can run stably under high power disturbance conditions as it has
passed IEC and CE.
Comparison
To meet different demands of customers, the DPMS XPQ series consists
of four types: DPMS XPQ-D (time-of-use pattern), DPMS XPQ-E (power quality
pattern), DPMS XPQ-F (waveform and alarming pattern) and DPMS XPQ-G
(general function pattern). In order to introduce them all, this manual is based
on the DPMS XPQ-G. Other patterns may not contain some functions so please
refer to the following table carefully.
Table 1.2 Comparison of the DPMS XPQ series
Function D E F G
Basic parameters ● ● ● ●
Digital I/O ● ● ● ●
Demand ● ● ● ●
Basic settings ● ● ● ●
Device property ● ● ● ●

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DPMS XPQ User Manual
Harmonics THD Phases and all ● ● ●
phase ● ●
Voltage harmonic analysis ● ●
current harmonic analysis ● ●
Function D E F G
Sequence ● ● ●
phase angle ● ● ●
Energy Real time ● ● ● ●
Current month TOU ● ●
Previous month TOU ● ●
Accumulative TOU ● ●
Frozen Real time ● ●
Current month TOU ● ●
Accumulative TOU ● ●
MAX/MIN Current ● ●
Previous ● ●
Voltage eligibility Daily, Monthly, Yearly, Frozen,
Accumulative ● ●
SOE log ● ●
Alarm log ● ● ●
Waveform log ● ●
Trending log ● ●
System status Alarming record ● ● ●
SOE, waveform, trending ● ●
Schedule of TOU ● ●
Run time ● ● ● ●
Alarm Alarming ● ● ●
Waveform triggering ● ●
Others Max and Min recording mode ● ● ●
Trending settings ● ●

Chapter 2 Installation
Appearance and Dimensions
Installation Method
Wiring
11

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DPMS XPQ User Manual
Note: Before trying to operate the meter, note the functions according to its
pattern. The installation method is introduced in this chapter. Please read this
chapter carefully before beginning installation work.
Appearance and Dimensions
Fig 2.1 Appearance of the DPMS XPQ
PART NAME DESCRIPTION
1. Enclosure The DPMS XPQ enclosures are made of high strength anti-
combustible engineered plastic
2. Front Casing After the installation, this part is before the panel. The color of
the front casing is optional
3. LCD Display Large bright blue backlight LCD Display
4. Key Four keys are used to select display and to set parameters of the
meter
5. Input Wiring Terminals Used for Voltage and Current input
6. Auxiliary Wiring Terminals Used for auxiliary power, communication and DI
7. Extend Wiring Terminals Auxiliary I/O wiring terminals
8. Installation Clip The clips are used for xing the meter to the panel
Table2.1 Part Names of the DPMS XPQ
3
1
2
4
8
5
7
6

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POWER INSTRUMENTS
Dimensions
Fig 2.2 Dimensions
Installation Method
Environmental
Before installation, please check the environment temperature and humidity
to ensure the DPMS XPQ meter is being placed where optimum performance
will occur.
Temperature
Operation: -25 - 70 deg.
Storage: -40 - 85 deg.
Humidity
5% - 95% non-condensing
96.00
96 .00 55 .00
96.00
43 .00
38 .50
Front Side

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DPMS XPQ User Manual
The meter should be installed in a dry and dust free environment and avoid
heat, radiation and high electrical noise sources.
Maximum Altitude: 2,000m
Site Requirement: Indoor Use
Installation Steps
Normally, meters are installed on the panel of switch gear.
1. First, cut a square hole on the panel of the switch gear. The cutting size
is in g 2.3 Unit (mm)
Fig 2.3 Panel Cutting
2. Second, remove the clips from the meter and insert the meter into the
square hole from the front side.
Fig 2.4 Put the meter into the square hole
Cut
panel 90±
0.5
0.0
90±
0.5
0.0

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POWER INSTRUMENTS
3. Finally, install clips back on the meter from the backside and push the
clip tightly so that the meter is afxed on the panel.
Fig 2.5 Use the clips to afx the meter on the panel
Space required for Installation
The space around the meter should be large enough so that the meter
removal, terminal strip wiring and wire arrangement could be done easily. The
recommended minimum space around the meter is shown in Table 2.2 and Fig
2.6.
Fig 2.6 Space around the meter
panel
Paneld
c
e
b
a
fg
panel

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DPMS XPQ User Manual
Environment Temperature Minimum Distance(mm)
a b c d e f g
＜50＜25 25 38 38 64 25 25
≥50＜38 38 51 51 76 38 38
Table 2.2 Minimum Space
Wiring
Terminal Strips
There are three terminal strips on the back: Voltage & Current input,
Auxiliary and Extend. Only the DPMS XPQ with the PRIO option has the Extend
Terminal Strip. The 1, 2 and 3 are used to represent each phase of a three
phase system. They have the same meaning with A, B and C or R, S and T in a
three phase system.
Voltage & Current Input Terminal Strip
Auxiliary Terminal Strip
Note: NC means No Connection

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POWER INSTRUMENTS
Extend Terminal Strip
Fig 2.7 Terminal Strips
Safety Earth Connection
Before doing the meter wiring connection, please
make sure that the switch gear has a safety Earth
system. Connect the meter safety earth terminal to the
switch gear safety earth system. The following safety
earth symbol is used in this user’s manual.
Auxiliary Power
The auxiliary power supply of the meter is 100-
240Vac (50/60Hz) or 100-300Vdc. The meter’s typical
power consumption is less than 2W. A regulator or a
UPS should be used when the power supply undulates
too much. The terminals for the auxiliary power supply
are 20, 22 and 24 (L, N, G). A switch or circuit-breaker should be included in the
building installation, and it should be in close proximity to the equipment and
within easy reach of the operator, and it should be marked as the disconnecting
device for the equipment.
DANEROUS
Only qualied personnel
should do the wire
connection work. Make
sure the power supply
is off and all the wires
are powerless. Failure to
observe this may result
in severe injury or death.
Note
Make sure the auxiliary
power terminal of the
meter, G, is connected
to the safety Earth of
switchgear.

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DPMS XPQ User Manual
Fig 2.8 Wiring of Power Supply
A fuse (typical 1A/250Vac) should be used in the auxiliary power supply
loop. No.24 terminal must be connected to the safety earth system of
switchgear. An isolated transformer or EMI lter should be used in the auxiliary
power supply loop if there is a power quality problem in the power supply.
Fig 2.9 Wiring of Aux. Power Supply with power line lter
Choice of wire should be AWG22~16 or 0.6~1.3mm2.
Note: A lter should be used if there is an EMI problem.
Voltage Input
Meter input voltage should be 40~230Vac L-N,
60~400Vac. L-L. The voltage input could be directly
connected to the meter terminal without the use of PT if
the voltage system is less than 400Vac (L-L). If the input
Voltage is higher than 400Vac, a PT or VT should be
Note
The secondary of PT
can not be shorted,
otherwise it may cause
the severe damage of
the instrument.
Note
Make sure the power
supply voltage is the
same as what the meter
needs for its auxiliary
power.
L
N Acuvim-X
G
20
22
24
Power Supply
1A FUSE
Ground
L
N Acuvim-X
G
20
22
24
L L
N N
G G
Power Supply
1A FUSE
Ground
Power
lter