This symbol indicates the presence of dangerous voltage within and outside the
product enclosure that may constitute a risk of electric shock, serious injury or death
to persons if proper precautions are not followed.
CAUTION
This symbol alerts the user to the presence of hazards that may cause minor or
moderate injury to persons, damage to property or damage to the device itself, if
proper precautions are not followed.
NOTE
This symbol directs the user’s attention to important installation, operating and
maintenance instructions.
LIMITED WARRANTY
The manufacturer offers the customer a 24-month functional warranty on the instrument for
faulty workmanship or parts from date of dispatch from the distributor. In all cases, this
warranty is valid for 36 months from the date of production. This warranty is on a return to
factory basis.
The manufacturer does not accept liability for any damage caused by instrument malfunction.
The manufacturer accepts no responsibility for the suitability of the instrument to the
application for which it was purchased.
Failure to install, set up or operate the instrument according to the instructions herein will void
the warranty.
Only a duly authorized representative of the manufacturer may open your instrument. The unit
should only be opened in a fully anti-static environment. Failure to do so may damage the
electronic components and will void the warranty.
NOTE
The greatest care has been taken to manufacture and calibrate your instrument. However,
these instructions do not cover all possible contingencies that may arise during installation,
operation or maintenance, and all details and variations of this equipment are not covered by
these instructions.
For additional information regarding installation, operation or maintenance of this instrument,
contact the manufacturer or your local representative or distributor.
ii
DANGER
Failure to observe the following instructions may result in severe injury or death.
Read the instructions in this manual before performing installation, and take note of
the following precautions:
1. Ensure that all incoming AC power and other power sources are turned OFF before
performing any work on the instrument. Failure to do so may result in serious or even fatal
injury and/or equipment damage.
2. Before connecting the instrument to the power source, check the labels on the front of
the instrument to ensure that your instrument is equipped with the appropriate power supply
voltage, input voltages and currents for your application.
3. Do not connect the ins trument to a power source if it is damaged.
4. Do not expose the instrument to rain or moisture.
5. The secondary of an external current transformer must never be allowed tobeopen
circuit when the primary is energized. An open circuit can cause high voltages, possibly
resulting in equipment damage, fire and even serious or fatal injury. Ensure that the current
transformer wiring is made through shorting switches and is secured using an external strain
relief to reduce mechanical strain on the screw terminals, if necessary.
6. Only qualified personnel familiar with the instrument and its associated electrical
equipment must perform setup procedures.
7. DO NOT open the instrument under any circumstances.
Read this manual thoroughly before connecting the meter to the current carrying
circuits. During operation of the meter, hazardous voltages are present on input
terminals. Failure to observe precautions can result in serious or even fatal injury
or damage to equipment.
This manual is intended to assist the user in the installation of the PowerSmart Power
Quality Meter unit. The term ‘PowerSmart Socket PQM’’ is used herein to refer to all models in
the series.
This chapter gives an overview of this manual and an introduction to the PowerSmart Socket PQM.
Chapter 2, Installation, provides instructions for mechanical and electrical installation.
Chapter 3, Communications, provides drawings for communications connections and
instructions for printing electrical parameter readings.
Technical Specifications for the PowerSmart Socket PQM are found in the Appendix.
About The PowerSmart Socket PQM
The PowerSmart Socket PQM series is a of state-of-art multi-microprocessor-based digital
instrument, socket meter base, that incorporate the capabilities of a power quality analyzer,
energy meter, fault and data recorder and programmable controller, oriented for substation,
industrial and commercial areas. These instruments provide three-phase measurements of
electrical quantities in power distribution systems, monitoring external events, operating
external equipment via relay contacts, fast and long-term on-board recording of measured
quantities, transient voltages measurements up to 2KV, fault recording of currents up to 50A,
harmonic analysis and disturbance recording. The PowerSmart Socket PQM has current classes of 10 A and 20 A and offers precise active and reactive energy metering in 4 quadrants, Power
Quality Analyzer according to EN50160 Standard, all the basic metering, control, and fault and
event recording capabilities
The PowerSmart Socket PQM socket meter is designed to fit into S-Base meter sockets
and A-to-S Base adapters. The meter supports form factors 9S/9A.
Feat u r es
The PowerSmart Socket PQM combines in a single enclosure:
• Precise Class 0.2 Active Energy and Power Demand Meter and better, Multiple Tariffs &
Time-Of-Use (TOU, 16 Summary energy and demand registers for substation energy
management, accumulation of energy pulses from external watt-meters, block and sliding
demands), transformer and line losses, unique anti-tampering and self-test functions
• State of the art Power Quality Recorder (onboard PQ analyzer according to EN50160;
programmable thresholds with hysteresis; ready-for-use reports; sags/swells,
interruptions, frequency variations; flicker, temporary overvoltages, transient overvoltages,
voltage unbalance, harmonic and interharmonics voltages)
• Digital Fault Recorder (onboard fault detector - programmable fault, up to 50 Amps fault
currents, zero-sequence currents and volts, current and volt unbalance; under-voltage,
neutral current;
• Event Recorder for logging internal diagnostics events, control events and I/O operations
• Four fast Waveform Recorders; selectable AC sampling rate of 32 - 1024 samples per
cycle; 20 pre-fault cycles, 1-ms resolution for digital inputs monitoring; up to 3 min of
continuous recording with an 8 M-byte onboard memory at a rate of 32 samples per cycle,
expandable up to 16 M-byte at meter shop
• Sixteen fast Data Recorders (from ½ cycle RMS to 2-hour RMS envelopes; up to 20 pre-
fault cycles; programmable data logs on a periodic basis and on any internal and external
trigger)
• Programmable Controller (32 control setpoints, OR/AND logic, extensive triggers,
programmable thresholds and delays, relay control, event-driven data recording)
• High-Class 3-phase Power meter (true RMS of volts and amps, powers, power factors,
neutral current)
• Demand Meter (amps, volts, harmonic demands)
• Harmonic Analyzer (to 128’Th harmonic volts and amps, power harmonics and power
factor, phasor, symmetrical components)
• 16 programmable timers from ½ cycle to 24 hours for periodic recording and triggering
operations on a time basis
• Isolated Three-Phase Power Supply unit from the measured voltage inputs, according to
the voltage measurement input range:
Chapter 1 Introduction
1
− Low Range measurement input nominal rating – "U" Model: 57.7V AC to 120V AC (L-
N)
− High Range measurement input nominal rating – standard Model: 120V AC to 277V AC
(L-N)
• On board 2 Digital optically isolated Fast Inputs and 1 KYZ relay output.
• Auxiliary power supply option – AC/DC and Low DC options are available in "U" model only
• High resolution 4’ Graphic LCD display
• Four slots for option modules
AC / D C I n p ut s
• Three AC voltage inputs - up to 480VAC direct line-to-line input voltage, for feeding and
measurement; high impedance input (>10MΩ)
• Four AC voltage inputs - up to 2KV peak direct line-to-ground and neutral-to-ground input
voltage
• Three standard isolated AC current inputs (FORM 9) and optional fourth current input, 5A
nominal input currents and up to 50 A fault overload current
• Optional isolated AC/DC power supply input – up to 4KV AC insulation withstanding
• Optional isolated low DC power supply input – up to 4KV AC insulation withstanding
In p u t /O u t pu t s
The PowerSmart Socket PQM is equipped with two fast digital inputs (DI), in the basic
instrument, eight digital inputs (8DI module) and six digital outputs (6RO module) optional
modules
• DI (basic) – 2 Digital inputs – optically isolated input; dry contact, programmable de-
bounce time from 1 ms to 1 sec; free linkage to Sequence-of-Events Recorder, Fault
Recorder, control setpoints, pulse counters for Energy/TOU subsystem)
• 8DI (optional module)– 8 Digital inputs – optically isolated input; dry contact,
programmable sampling rate from ½ cycle to 1 sec; control setpoints, pulse counters for
Energy/TOU subsystem)
• KYZ relay output (basic)
• 6RO (optional module) – 2 relay types: 2 x Electromechanic Relays – EMR FORM A and 4 x
Solid State Relays – SSR Form C, unlatched, latched and pulse operations, failsafe
operation for alarm notifications; programmable pulse width; direct remote relay control
through communications
• 4AO (optional module), 4 Analog Outputs with 5 basic current options (0-20mA, 4-20mA,
0-1mA and ± 1mA)
• TRM (optional module), analyzing transient voltage between phase and ground, up to 2 kV
and sampling rate up to 1024 samples per cycle
Co m m un i c at i on s
The PowerSmart Socket PQM has extensive communications capabilities:
• On-board Infrared port, isolated RS-485 port and USB Device port (MODBUS RTU/ASCII
and DNP3.0 protocols)
• ETH (optional module), including:
− Versatile RS-232/485 universal serial communications port (up to 115,200 bps,
MODBUS RTU/ASCII and DNP3.0 protocols)
− Ethernet 10/100 Base-T port (MODBUS/TCP or DNP3.0/TCP protocols, up to five non-
intrusive simultaneous connections, Telnet service port)
− 1-ms satellite-synchronized clock - IRIG-B format time-code input
• Cellular GPRS modem (MODBUS/TCP or DNP3.0/TCP protocols)
• Dial Up MODEM (optional module), including:
− Versatile RS-232/485 universal serial communications port (up to 115,200 bps,
MODBUS RTU/ASCII and DNP3.0 protocols)
− PSTN MODEM port (MODBUS/RTU, MODBUS/TCP or DNP3.0, DNP3.0/TCP protocols, up
to five non-intrusive simultaneous connections, Telnet service port)
− 1-ms satellite-synchronized clock - IRIG-B format time-code input
U p g r a de a b le Fi r m wa r e
The PowerSmart Socket PQM uses flash memory for storing device firmware that allows future
upgrading of the device without replacing any hardware component. The new features can be
easily added to your device by simply replacing the firmware through a local RS-232/RS-485,
USB port or Ethernet port.
2
Chapter 1 Introduction
Socket Meter Overview
Figure 1: Front view - Nameplate description
Chapter 1 Introduction
3
Chapter 2 Installation
The PowerSmart Socket PQM Socket meter is designed to mount into a standard
meter socket. Follow the Installation summary below, to ensure that the unit is
installed securely. The PowerSmart Socket PQM series can be mounted outside or in
an enclosed and protected environment, such as in a switchgear cabinet. You may
install a switch or circuit breaker nearby and label it clearly as the monitor’s
disconnecting mechanism.
Pr e l i m in a ry in s ta l l at i o n
Examine the labels to verify that the meter you are installing is the correct form factor
and service type. Make sure that the socket and meter current class ratings are
compatible.
• Make sure that all communication and auxiliary power wiring is accessible in case
disconnection is required for any reason.
• Before applying power to the meter, install batteries if not installed at the factory and
check the connections if they are installed. POWER MUST BE OFF TO INSTALL THE INTERNAL BATTERY!
See Replacing Battery paragraph to install the Internal Battery
• Before inserting or unplugging meter to/from socket POWER must be denergized.
• Insert the meter into the socket, making sure that the unit blades are firmly within the
jaws of the socket.
• The meter installation must be installed far enough (at least 3ft) from the high power
line busses
4
Chapter 2 Installation
Mechanical Installation
Mechanical Installation
Mechanical Installation Mechanical Installation
Refer to the figures provided in this section to properly perform the mechanical installation.
Figure 2: PowerSmart Socket PQM - FORM 9S Dimensions
Chapter 3 Communication 5
Physical Description
Device Str u ctu r e
Fig u r e 3 : P o w er S ma r t S o ck e t P Q M i n te r na l s t r u ct u re
Option a l M o d ul e s l o ca t i on
Fig u r e 4 : P o w er S ma r t S o ck e t P Q M i n te r na l s t r u ct u re
6
Chapter 2 Installation
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