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PowerLogic selection guide and technical overview
PowerLogic:
Metering and monitoring for each level of your power system
As a leading supplier of electrical distribution and power monitoring equipment
Merlin Gerin has the portfolio of products required for each level on your electrical network.
Comprehensive PowerLogic metering can provide real-time and event information to help mitigate and diagnose problems effectively and efficiently. PowerLogic metering can also help you improve system reliability, reduce utility costs and increase equipment utilisation.
With a fully instrumented PowerLogic system it is possible to achieve savings that result in an almost instantaneous return on investment.
Merlin Gerin can help you achieve this by providing you:
Specific metering for each area of the system
PowerLogic metering and monitoring devices adhere to the highest revenue class accuracy and the quality standards set by IEEE1159, EN50160 and IEC61036. For critical circuit monitoring, PowerLogic meters can simultaneously time stamp and capture events with multiple waveforms while collecting interval logging for cost allocation. Other PowerLogic meters can provide the facility to meter and monitor other utilities and perform control functions.
Increased savings
With a PowerLogic system we encourage you to think below the surface for additional savings. By installing a PowerLogic system and managing the resource you can realise a 5% reduction in utility costs – but this is just the tip of the iceberg.
Looking beyond the utility bill – or below the surface can derive major savings using a PowerLogic system. Typically, an additional 5% can be saved through improved equipment utilisation, avoiding unnecessary capital purchases. As much as 10% further savings can be gained by improving power system reliability.
Government recognised technology
The PowerLogic range of circuit monitors and meters are recognised by the Government led Enhanced
Capital Allowance (ECA) scheme and appear on the
Energy Technology List (ETL) for automatic
Monitoring and Targeting (aM&T).
Open and high speed communications
PowerLogic Systems are built on open industry Modbus and Ethernet TCP/IP standards.
Information via a web browser
PowerLogic meters allow you to view instantaneous reading directly connected to devices using your standard web browser. Optional modules allow you to collect historical data and display graphical images displaying full system perspective.
The PowerLogic system forms an integral part of the
Schneider Electric Transparent Ready solution.
PowerLogic:
Metering and monitoring devices
Enterprise level
Ethernet TCP/IP Modbus
Critical circuits
G G
33kV
11kV
M
M
Mains feeders
Sepam
11kV
415V
M
M
CM3000
CM4000
11kV
415V
M
M
Micrologic
Secondary feeders
M
UPS
M
PM800
M
11kV
415V
M
M
33kV
11kV
M
M
M M
Distributed circuits
M
PM700
Key: G = Generator M = Meter UPS = Uninterruptible Power Supply
M
PM700
M
Branch power meter
3
4
PowerLogic:
Metering and monitoring devices
At Schneider Electric, we have the most complete and the most advanced line of power monitoring products for each level of your power system.
Products like the award winning PowerLogic CM4000T circuit monitor and the
unparalleled PowerLogic Power Server help keep you at the forefront of metering and monitoring technology.
Multi-circuit metering
■ Basic single phase metering of up to 24 individual circuits
■ Highly accurate industrial grade fixed or splitcore CT’s
■ Precision microprocessor based metering electronics
■ Exceptional metering accuracy and reduced installed cost
■ Industry standard Modbus communications
Power meters
■ Basic metering functions allow metering of current, volts, power, energy and demand readings
■ Power quality readings include total harmonic
■ Distortion for current and voltage readings
■ Minimum/maximum values
■ Alarm/relay functions
■ Event and data logging on pre-configured values
■ Industry standard Modbus communications
Series 3000 circuit monitors
■ Advanced metering functions allow all the basic, as well as phase rotation, demand voltage and ground current readings
■ Data logging with 8MB of memory standard
■ Sag/swell monitoring
■ Trending and forecasting functions
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Optional web-enabled access directly to meter
■ Waveform capture with disturbance monitoring (available on the CM3350)
Series 4000 circuit monitors
■ Features all basic and advanced metering functions while providing a 0.04% typical accuracy rate
■ 14 data logs and up to 32MB of memory available
■ Three types of waveform capture: steady state, disturbance and adaptive
■ Sag/swell detection to less than 1/2 cycle
■ Trending and forecasting functions
■
Optional web-enabled access directly to meter
■ 15MHz sampling rate that allows detection of transients lasting only one microsecond (available with CM4000T)
PowerLogic:
Network solutions
Schneider Electric are at the forefront of the integration of web technologies into electrical distribution equipment through the deployment of Transparent Ready TM .
Transparent Ready utilises Ethernet TCP/IP to bring all the benefits of web based
technology and open networking systems to the the PowerLogic system.
Ethernet gateway
This Web-enabled ethernet gateway simplifies power monitoring and features:
■ Fast 10 or 100 MB/sec communications
■ Communications to as many as 64 devices
■
Two RS-485 Modbus ports
■ Fibre optic port (available on EGX400)
■ 8 MB of memory (available on EGX400)
■ Web access to any Modbus serial device (available with EGX400)
Power Server
Heavy duty server improves energy data collection and features:
■ Display for up to 64 PowerLogic and Modbus devices
■ 10 GB hard drive, 128 MB RAM
■ Access to alarms, trends, reports, waveforms and diagrams through standard web browser using PWRSRV750
■ Energy and data consolidation including water, air, gas, steam and electric values, to a web accessed interface
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PowerLogic:
Accessories to expand your system
Extend the functionality of your PowerLogic system with input/output modules or our range of easy to add accessories including Ethernet connection cards, current and voltage modules and input/output extensions.
Ethernet communication card
The ECC is an optional ethernet communication card and can be installed in either the CM3000 or CM4000.
It has two main functions:
■ Equip the circuit monitor with a fast ethernet connection over a 10/100 Mbits/s copper link or a 100 Mbits/s Fibre-optic link
■ Serve as an ethernet gateway for devices daisy chained to its RS485 Modbus port
The ECC card also includes a server for six HTML pages that may be consulted by a standard web browser. The pages may be customised and will display information from the host circuit monitor and/or devices connected to its Modbus port.
Input/output blocks
The optional input and output blocks can be installed in either CM3000 or CM4000
■ IOC44 Card
This is an input/output card equipped with:
■ 4 digital inputs 20-138 V AC/DC
■ 4 digital outputs including 3 relay outputs and a static output that may be programmed as a pulse output. It may be installed in the option-card slots of the circuit monitor
There are three possible configurations: (1) IOC44 card, (2) IOC44 cards, or (1) IOC44 card and (1) ethernet ECC21 card.
■ IOX I/O Extender (CM4000 only)
The IOX input/output extender may be equipped with up to eight plug-in input or output modules. The entire unit connects to the side of the circuit monitor.
The input/out modules may be digital or analogue.
Three pre-equipped versions may be ordered directly, the IOX08, IOX0404 and
IOX2411. Other versions may be user prepared by ordering an empty IOX extender and separate I/O modules. In this case, the IOX extender may be equipped with up to a maximum of four analogue modules
Current/voltage modules
■
CVM
This is the CM4000 acquisition module for currents and voltages supplied already installed on the CM4000. If the circuit monitor must be recalibrated, this is the only module requiring calibration. It may be installed and removed in the field. This module may also be replaced in the field by a CVMT module
(below) to transform a CM4000 into a CM4000T.
■ CVMT
This is the CM4000T acquisition module for currents and voltages suitable for the detection of transient phenomena with a 5 MHz voltage-sampling rate. The
CVM may also be installed and removed in the field. Supplied already installed on the CM4000T.
■ CVMXR
The extended range current/voltage (CVMXR) has the same metering capability as the CVM, with the additional ability to detect and capture up to 100 amperes on directly connected loads for one second, or 20 amperes on directly connected loads continuously. The CVMXR is a class 0.5 module.
Some applications for the CVMXR include motor starts or other events with large inrush current characteristics.
PowerLogic
Metering device selection
Selection of the correct devices for your PowerLogic system is essential to maximise the benefits available.
The table on the following pages displays all the features available on PowerLogic metering devices.
Further information can be found in the technical pages that follow.
8
PowerLogic:
Metering device selection
Basic instrumentation
Current, per phase
Current, neutral
Current, 3 phase average
Current demand, max., per phase
Current demand, max., neutral
Voltage, per phase (L-L, L-N)
Voltage, 3 phase average
Real power, 3 phase total (kW)
Reactive power, 3 phase total (kVAR & kVA)
Power factor, 3 phase total
Real power demand, present
Real power demand, peak
Real energy (kWh)
Reactive energy (kVARh)
Apparent energy (kVAh)
Frequency
Reactive power demand, present
Reactive power demand, peak
Apparent power demand, present
Apparent power demand, peak
Predicted real/reactive/apparent power demand 3 phase total
Real energy, in and out (kWh)
Reactive energy, in and out (KVARh)
Min/max readings I, V, F, PF, THD, TOTAL KW KVAR
Real, reactive, apparent power, per phase
Power factor, per phase
THD, voltage and current per phase
Advanced instrumentation
Voltage N-G
Current, ground
Fund. volt/current magnitudes and ang, per phase
Fundamental real and reactive power, 3 phase, per phase
Incremental real/reactive/apparent energy in and out, 3 phase total
Harmonic power flows
Trending and forecasting
Flicker IEC61000-4-15
ITIC/SEMI F47/NEMA MG-1-1998
EN50160 pass/fail summary
Branch power meter**
PM700
PM710
Power meters
PM810 PM820
Circuit monitors
PM850 CM3250 CM3350 CM4000
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Logging
Memory (std/optional)
Interval min/max/avg log
Alarm/event log
Maintenance log
Min/max log
Time synchronisation
Block interval demand
Clock synchronised demand
Comms. clock synchronisation
Command synchronised demand
Input synchronised demand
GPS clock synchronisation capability
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Opt
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80K
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800K
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8MB
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Alarming
Setpoint-driven alarms V,KW,KVA,I,PF,KVAR
Boolean
Digital inputs/outputs
High speed (100ms)
Disturbance (10msec)
Transient (1microsec)
Communications
RS-485
RS-232
Onboard ethernet
Infrared port
I/O
KYZ/KY output
Digital inputs/outputs, (maximum)
Analogue inputs/outputs, (maximum)
Time stamping accuracy
Event recording
Steady state waveform capture
Disturbance WFC
Adaptive waveform capture
100ms event recordings
Metering characteristics
Sampling rate, samples/cycle on 50Hz
Voltage input range VAC
Accuracy of voltage/current reading
Control power (voltage range)
VAC
VDC
Standards compliance
Accuracy IEC class
Accuracy ANSI 12.20
Emissions FCC part 15 class A/CE
CE marking
Other
Onboard HTML web page server
Programmable logic
Register based event log
Downloadable firmware
Math and logic functions
Panel mounting
DIN rail mounting
* CM4000T has a sampling rate of 83,333 samples/cycle
** Provides individual readings per circuit for I, kW, kVA, kVAR and kWHR with common readings per unit for V and F
Branch power meter**
Power meters
PM700
PM710
PM810 PM820 PM850
Circuit monitors
CM3250 CM3350 CM4000
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PM710 ■
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PM700P ■
(9)
(4)
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1 sec
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1 ms
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10-480
0.5%
64
35-600
0.1%
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0.075%
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512*
35-600
0.04%
110-415
125-250
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PowerLogic
Multi-circuit metering
The metering of multiple circuits is more and more common place in various applications, increased since the introduction of the building regulations part
L2 as part of the climate change program introduced as UK legislation.
The branch power meter provides a cost effective solution for single phase electrical load management making it ideally suited for applications where load capacity requirements are dynamic such as growing data centre and telecommunications industries.
12
PowerLogic:
Branch power meter
The branch current monitoring system provides a cost effective solution for electrical load management, making it ideally suited for applications where load capacity requirements are dynamic, such as power distribution units (PDU’s) for the data centre industry.
The branch power meter reports the current level and power of each outgoing circuit from a panelboard or PDU providing preventative maintenance and consumption information on the users desktop PC. As a circuit approaches capacity, an alarm is generated, allowing additional capacity to be added to the system preventing down time resulting from overloaded circuits.
The branch power meter is available in two formats
■ Solid core CT ‘strips’ for new build applications
Two current sensing strips, each containing twelve current sensors, mount adjacent to the outgoing ways of the panel board. The two strips are connected to a data acquisition board equipped with a RS-485 Modbus communications port for remote access
■ Split core individual CT’s for retro-fit applications
The same acquisition board is used but with split core CT’s allowing convenient location for each unique application. Each split core CT is connected to the data acquisition board via a flying lead supplied
Applications
■ Energy and load management
■ Energy cost allocation
■ Overload monitoring
Characteristics
■ DIN rail mounting current transformers (CT’s) installing quickly and easily
■ Fewer components reducing installation time
■
Field selectable address, baud rate and parity
■ Daisy chain upto 63 units
■ +/- 1% system accuracy
Description
Branch power meter c/w 2 solid core CT strips
Branch power meter c/w split core CT’s
Part number
BPM
BPMSC
PowerLogic:
Branch power meter
Specifications
Operating temperature range
Storage temperature range
Power source
Measured current inputs
Number of channels
Frequency
Sample frequency
Update rate
Accuracy
Network communications
Type
Connection
Address
Baud rate
Parity
Communication format
Termination
Defaults
Warning alarm register
Critical alarm register
Current settings
Dimensions (mm)
Circuit boards
Strips
Mainboard
Sensor spacing
Hole opening
0 to 60 0 C (<95%RH non-condensing)
-40 0 C to 70 0 C
240 VAC (+10V-10%) line to neutral 50Hz
24
50Hz
1280Hz
1.2 sec
+/- 1% of reading 2A to 32A
Modbus RTU
DIP switch selectable 2 wire or 4 wire
DIP switch selectable address 1 to 247
DIP switch selectable 2400, 4800, 9600, 19200
DIP switch selectable none, odd, even
8 data bits, 1 start bit, 1 stop bit
9 pin sub D connector
TX+TX-shield TX+/RX+TX-/RX-
60% of current setting (configurable)
30% of current setting (configurable)
20A (configurable from 10 - 50A)
BPM
502 x 34 x 49
408 x 262 x 95
36 on centre
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14
PowerLogic:
Branch power meter
Branch power meter connection details
■ Monitor up to 24 circuits on 1 phase
RS 485
Control Power
Metering Input
B A N
Protection
A
N
■ Monitor up to 12 circuits on 2 phases
RS 485
Control Power
Metering Input
B A N
Protection
A
B
N
Branch power meter connection dimensions (mm)
■ Data acquisition board ■ Solid core CT strip
408
502
Overall height = 49
(DIN rail mounted)
Overall height = 95
PowerLogic
Power metering
The PowerLogic range features an extensive range of panel mounting power meters offering a number of advantages over traditional analogue meters.
All power meters within the PowerLogic range are cost effective, high performance metering devices that can operate as stand alone devices or as part of an overall PowerLogic system.
16
PowerLogic:
Power meter series PM700
The PowerLogic power meter series 700 is an inexpensive and compact 96 x 96 mm unit that offers all the basic measurement capabilities required to monitor an electrical installation. With its large easy-to-read display, the meter can display all three phases and neutral at the same time. The anti-glare and scratch resistant display features an intuitive interface with self-guiding menus. A unique green back light and large numbers make it easy to read even in extreme lighting conditions and viewing angles.
The PM700 product offering consists of three models, each with an integrated display and providing metering measurements including THD and min/max values. The unit models include a basic metering unit, a unit with an RS 485 Modbus communication port, or a unit with 2 pulse outputs.
Applications
■ Panel instrumentation
■ Submetering and cost allocation
■ Remote monitoring of an electrical installation
■
Harmonic monitoring (THD)
■ Contract optimisation and load profiling
Characteristics
Large, easy-to-read display
■ Multiple values displayed at the same time on an anti-glare display featuring a green back-light
Easy to operate
■ Intuitive navigation with context-sensitive menus for easy use
Only 50mm deep
■ Measures 96 x 96 x 50 mm including connectors and Modbus communications
Energy class 1 as defined by IEC 61036
■ Sufficient accuracy for submetering and cost allocation
Power, current demand, THD, min/max
■ Expanded metering data for the cost of analog metering
Description
PM700/700P/710
Power Meter with THD, min/max
Power Meter with THD, min/max,
2 pulse outputs
Power Meter with THD, min/max,
RS 485 communications
Part number
PM700MG
PM700PMG
PM710MG
PM700 series back view
PowerLogic:
Power meter series PM700
Electrical characteristics
Type of measurement
Measurement accuracy
Data update rate
Input-voltage characteristics
Input-current characteristics
True rms up to the 15th harmonic
On three-phase AC system (3P 3P + N)
32 samples per cycle
0.5 % Current and voltage
Frequency
Real Energy
Reactive Energy
Measured voltage
± 0.01 Hz from 45 to 65 Hz
IEC 61036 Class 1
IEC 61036 Class 2
1 s
10 to 480 V AC (direct L-L)
10 to 277 V AC (direct L-N)
0 to 3.2 MV AC (with external VT)
1.2 Un Metering over-range
Frequency range
CT ratings Primary
Secondary 5 A starting at 10 mA
Measurement input range 0 to 6 A
Permissible overload
45 to 65 Hz
Adjustable from 5A to 65534 A
15 A continuous
50 A for 10 seconds per hour
120 A for 1 second per hour
Control Power
Output
Load
AC
DC
Ride-through time
Pulse output
< 0.15 VA
110 to 415 ±10 % V AC, 5 VA
125 to 250 ±20 % V DC, 3 W
100 ms at 120 V AC
PM700P Static output (240 ±10 % V AC or 300 ±
10% V DC, 100 mA max. @ 25 °C, derate 0.56 mA per °C above 25°C) 2.41 kV rms isolation
Mechanical characteristics
IP degree of protection (IEC 60529)
Dimensions
Environmental conditions
Operating temperature
Storage temp.
Humidity rating
Pollution degree
Metering category
Meter
Display
Meter + display
IP52 front display, IP30 meter body
96 x 96 x 88 mm (meter with display)
96 x 96 x 50 mm (behind mounting surface)
-0 °C to +60 °C
-10 °C to +50 °C
-40 °C to +85 °C
5 to 95 % RH at 50 °C (non-condensing)
2
III, for distribution systems up to 277 V L-N /
480 V AC L-L
As per EN61010, UL508 Dielectric withstand
Electromagnetic compatibility
Electrostatic discharge
Immunity to radiated fields
Immunity to fast transients
Immunity to impulse waves
Conducted immunity
Immunity to magnetic fields
Immunity to voltage dips
Conducted and radiated emissions
Harmonics emissions
Flicker emissions
Safety
Europe
U.S. and Canada
Communication
RS 485 port 2-wire, up to 19200 bauds, Modbus RTU
Firmware characteristics
Min./max.
Firmware update
Display characteristics
Dimensions 73 x 69mm
Level III (IEC 61000-4-2)
Level III (IEC 61000-4-3)
Level III (IEC 61000-4-4)
Level III (IEC 61000-4-5)
Level III (IEC 61000-4-6)
Level III (IEC 61000-4-8)
Level III (IEC 61000-4-11)
CE commercial environment/FCC part 15 class B
EN55011
IEC 61000-3-2
IEC 61000-3-3
CE, as per IEC 61010-1
UL508
Worst min. and max. with phase indication for voltages, currents, voltage unbalance, and THD. Min. and max. values for power factor (True and
Displacement), power (P, Q, S) and frequency
Update via the communication ports
Back-lit green LCD (6 lines total, 4 concurrent values)
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1
2
3
4
5
6
Mounting slots
RS485 communications (450C) or 2 pulse outputs (450P)
Heartbeat LED
Control power
Voltage inputs
Current inputs
PowerLogic:
Power meter series PM700
Selection guide
General
Use on LV and HV systems
Current and voltage accuracy
Energy and power accuracy
Instantaneous rms values
Current, voltage, frequency
Active, reactive, apparent power
Power factor
Total and per phase
Total
PM700
■
0.5%
1.0%
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■
Energy values
Active, reactive, apparent energy
Demand values
Current
Active, reactive,
Present and max.
Present and max. apparent power
Setting of calculation mode Block, sliding block, rolling block
Data recording
Min/max of instantaneous values
Display and I/O
Backlit LCD Display
Pulse output
Communication
RS 485 port
Modbus protocol
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PM710 PM700P
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0.5%
1.0%
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0.5%
1.0%
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18
PowerLogic:
Power meter series PM700
4 wire connection with 3 CT’s and no VT
PM700
3 wire connection with 2 CT’s and 2 VT’s
PM700
19
PowerLogic:
Power meter series PM700
Series PM700 dimensions
20
Dimension in mm
PowerLogic:
Power meter series PM700
Front panel mounting
Dimension in mm
21
22
PowerLogic:
Power meter series PM800
The PowerLogic PM800 series is a high performance power monitoring unit, providing all the measurement capabilities required to monitor an electrical installation in a single 96 x 96 mm unit. With its large, easy-to-read display, you can monitor all three phases and neutral at the same time. In addition, the anti-glare and scratch resistant display features an intuitive interface with self guiding menus.
Even in extreme lighting conditions or viewing angles, the display is easy to read due to a unique, white back light and large digits. The PM800 series features as standard an
RS485 communication port, 1 digital input, 1 digital output, THD, and alarming in the base unit. In addition to these capabilities, the PM820 and PM850 offer custom onboard logging and individual harmonic values for current and voltage. The PM850 is the first meter in this range to offer waveform captures.
Applications
■ Panel instrumentation
■ Sub-billing/cost allocation/bill checking
■ Remote monitoring of an electrical installation
■ Basic power quality monitoring
■ Contract optimisation and load curves
Characteristics
Large, easy-to-read back lit display
■ Multiple values displayed at the same time on an anti-glare and white back light display
Easy to operate
■ Intuitive navigation with self-guided menus makes it easy to use
High functionality in a compact size
■ Integrates Modbus communications and I/O in a reduced case (96x96x70mm)
Harmonics analysis
■ Monitor individual harmonic magnitudes and angles to troubleshoot your system
On-board memory
■
Store in non-volatile memory critical information for billing and troubleshooting
IEC60687 class 0.5S or IEC61036 class 1 for energy
■
Sub-metering and cost allocation in 4 quadrants
Modular and upgradeable
■
Downloadable firmware and optional modules enable to grow the meter capability
Trend curves and short-term forecasting
■ Rapid trending and forecasting of upcoming values for better decision making
Description
PM810 power meter with THD, alarming
PM820 power meter with harmonics, alarming, 80 kb logging
PM850 power meter with harmonics, alarming, 800 kb logging, waveform capture
Options and accessories
2 relay outputs, 2 digital inputs
2 relay outputs, 6 digital inputs
2 relay outputs, 2 digital inputs, 2 analogue outputs,
2 analogue inputs
PM810 logging, non volatile clock and harmonics module
Part number
PM810MG
PM820MG
PM850MG
PM8M22
PM8M26
PM8M2222
PM810MLOG
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5
4
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6
4
5
6
1
2
3
Control power supply connector
Voltage inputs
Digital input/output
RS485 port
Option module connector
Current inputs
PowerLogic:
Power meter series PM800
Selection guide
General
Use on LV and HV systems
Current and voltage accuracy
Energy and power accuracy
Number of samples per cycle
Instantaneous rms values
Current, voltage, frequency
Active, reactive, apparent power
Power factor
Energy values
Active, reactive, apparent energy
Settable accumulation mode
Total and per phase
Total and per phase
PM810
■
0.1%
1%
128
■
■
■
■
■
Demand values
Current
Active, reactive, apparent power
Present and min./ max. values
Present and min./ max. values
Predicted active, reactive, apparent power
Synchronisation of the measurement window
Setting of calculation mode Block, sliding
Power quality measurements
Harmonic distortion
Individual harmonics
Waveform capture
Current and voltage
■
With option
PM810MLOG
■
■
■
■
■
Data recording
Min/max of instantaneous values
Data logs
Event logs
Trending/forecasting
Alarms
Time stamping
■
With option
PM810MLOG
■
With option
PM810MLOG
PM820
■
0.1%
0.5%
128
■
■
■
■
■
■
31
■
■
■
■
■
■
2
■
■
■
Display and I/O
White backlit LCD Display
Multilingual: English, French, Spanish
Digital input
Digital output or pulse output
Communication
RS485 port
Modbus protocol
■
■
1
1
2 wire
■
■
■
1
1
2 wire
■
PM850
■
0.1%
0.5%
128
■
■
■
■
■
■
63
■
■
1
1
2 wire
■
■
4
■
■
■
■
■
■
■
■
■
23
PM800 series back view
PowerLogic:
Power meter series PM800
Electrical characteristics
Type of measurement
Measurement accuracy
Data update rate
Input-voltage characteristics
Input-current characteristics
Control Power
Current and voltage
Power
Frequency
True rms up to the 63rd harmonic
On three-phase AC system (3PH, 3PH+N)
128 samples per cycle
±0.075% of reading + ±0.025% of full scale
±0.015% of reading + ±0.025% of full scale
±0.01 Hz from 45 to 67 Hz
Measured voltage
Metering over-range
Impedance
Impedance
Load
AC
DC
Ride-through time
Status Input
PM820 and
PM850
Frequency measurement range
CT ratings
Secondary
Measurement input range
Permissible overload
Primary
IEC 61036 Class 1
IEC 60687 & ANSI C12.20 Class 0.5S
1s
0 to 600 V AC (direct L-L)
0 to 347 V AC (direct L-N)
0 to 3.2 MV AC (with external VT)
1.5 Un
2 MΩ L-L / 1 MΩ L-N
45 to 67 Hz and 350 to 450 Hz
Adjustable from 5A to 327 kA
1A or 5 A
0 to 10 A
15 A continuous
50 A for 10 seconds per hour
500 A for 1 second per hour
< 0.1 Ω
< 0.15 VA
100 to 415 ±10 % V AC, 11 VA
125 to 250 ±20 %V DC, 6 W
45 ms at 120 V AC
Static output (6 to 220 ±10% V AC or 3 to 250
±10 % V DC, 100 mA max. @ 25 °C)
1350 V rms isolation
1 digital input (24 to125 ±10 % V AC/DC),
5 mA max. burden
Mechanical characteristics
Weight
IP degree of protection (IEC 60529)
Dimensions (mm)
0.6 kg
IP52 front display, IP30 meter body
96x96x88 (meter with display)
96x96x70 (behind mounting surface)
Environmental conditions
Operating temperature
Meter
Display
Storage temperature
Humidity rating
Pollution degree
Metering category
Meter +
Display
Dielectric withstand
Electromagnetic compatibility
Electrostatic discharge
Immunity to radiated fields
Immunity to fast transients
Immunity to impulse waves
Conducted immunity
Immunity to magnetic fields
Immunity to voltage dips
Conducted and radiated emissions
Harmonics emissions
Flicker emissions
(1) 65 °C if control power is above 305 V AC
-25 °C to +70 °C
-10 °C to +50 °C
-40 °C to +85 °C
5 to 95 % RH at 40 °C (non-condensing)
2
III, for distribution systems up to 347 V L-N /
600 V AC L-L
As per EN61010, UL508
Level III (IEC 61000-4-2)
Level III (IEC 61000-4-3)
Level III (IEC 61000-4-4)
Level III (IEC 61000-4-5)
Level III (IEC 61000-4-6)
Level III (IEC 61000-4-8)
Level III (IEC 61000-4-11)
CE industrial environment/FCC part 15 class A
EN55011
IEC 61000-3-2
IEC 61000-3-3
(1)
24
PM800 series with I/O module
PowerLogic:
Power meter series PM800
Safety
Europe
U.S. and Canada
Communication
RS 485 port
Firmware characteristics
Data logs
Min./max.
One event log
Trend curves (PM850 only)
Forecasting (PM850 only)
Waveform capture
Alarms
Memory available for logging and waveform capture
Firmware update
Display characteristics
73 x 69 mm
Languages
CE, as per IEC 61010
UL508
2- wire, up to 38400 bauds, Modbus
PM820 and PM850 (Optional in PM810)
1 Billing log
1 Customisable log
PM850 only
2 additional custom logs
Worst minimum and maximum with phase indication for voltages, currents, voltage unbalance, and THD.
Minimum and maximum values for power factor (true and displacement), power
(P, Q, S) and frequency
Time stamping to 1 second
Four trend curves: 1 minute, 1 hour,
1 day and 1 month
■ every second for one minute for the
1-minute curve
■ every minute for one hour for the
1-hour curve
■ every hour for one day for the
1-day curve
■ every day for one month for the
1-month curve
Forecasting of the values for the trended parameters for the next four hours and next four days
Triggered manually or by alarm, 3-cycle,
128 samples/cycle on 6 user configurable channels
■ adjustable pickup and dropout setpoints and time delays, numerous activation levels possible for a given type of alarm
■ four priority levels
■ response time: 1 second
■ Boolean combination of four alarms is possible using the operators NAND,
OR, NOR and XOR on PM850
■
Digital alarms, e.g. status change of digital inputs
80 kbytes in PM820 and PM810MLOG
800 kbytes in PM850
Update via the communication ports
Back-lit white LCD
(6 lines total, 4 concurrent values)
English, French, Spanish
25
PowerLogic:
Power meter series PM800
Power meter PM800
26
Front panel mounting
Clearances for multiple power meters
Dimensions in mm
PowerLogic:
Power meter series PM800
3 phase 4 wire direct voltage input connection 3 CT’s
3 phase 3 wire 2 CT’s 2 PT
27
28
PowerLogic:
Current transformers
Current transformers for use with PowerLogic range of Power Meters and circuit monitors.
Technical data
■ Secondary current: 5A
■ Maximum voltage rating Ue: 720V
■ Frequency: 50 - 60Hz
■ Permanent permissible overload: 1.2 In
■ Safety factor
■ 40 to 4000A primary: Fs<5
■ 5000, 6000A primary: Fs<10
■ IP20
■ Ambient installation temperature
■
Standard range: -50 0 C to +55 0 C
■ Tropicalised range: -25 0 C to +60 0 C
■ Relative humidity
■ Standard range: <95%
■ Tropicalised range: >95%
■
Standards
■ Current transformers: BS7626, IEC44-1
PowerLogic:
Current transformers
Ordering details
Ratio
40/5
50/5
75/5
100/5
125/5
150/5
200/5
250/5
300/5
400/5
500/5
600/5
800/5
1000/5
1250/5
Cat no.
standard
16512
16519
16528
16513
16520
16529
16514
16521
16523
16530
16515
16524
16531
16532
16533
16501
16502
16503
16504
16505
16509
16506
16510
16526
16511
16518
16527
1500/5
2000/5
2500/5
3000/5
4000/5
5000/5
6000/5
16465
16474
16481
16482
16483
16534
16537
16540
16535
16538
16541
16462
16469
16478
16463
16470
16479
16464
16471
16473
16480
16542
16543
16545
16544
16547
16548
16549
Cat no.
Current transformer aperture mm circular tropicalised diameter
Maximum busbar size
16500
16451
21
21
20 x 5
20 x 5
16452
16453
16454
16455
16459
21
21
21
21
22
20 x 5
20 x 5
20 x 5
20 x 5
30 x 10
16456
16460
16476
16461
16468
16477
21
22
22
33
20 x 5
30 x 10
65 x 32
30 x 10
40 x 10
65 x 32
22
33
22
33
22
33
22
30 x 10
40 x 10
65 x 32
30 x 10
40 x 10
65 x 32
30 x 10
40 x 10
51 x 31 or 64 x 11
65 x 32
30 x 10
51 x 31 or 64 x 11
65 x 32
65 x 32
65 x 32
65 x 32
84 x 34
127 x 38
65 x 32
84 x 34
127 x 38
127 x 38
127 x 38
127 x 52
127 x 38
127 x 52
165 x 55
165 x 55
5
12
10
2
8
14.5
4
8
12.5
15
20
12
8
22.5
15
10
6
2.5
1
7.5
4
1.5
10.5
8
15
20
40
25
60
60
70
4
4
2
2.5
3
1.5
CT output VA
Class 0.5
Class 1 Class 3
26
8
12
20
25
30
20
10
22
15
6
12
13.5
12
7
18
15
1
1.5
3
4
5
6.5
6.5
8
6
7
8.5
5
11
35
25
25
15
12
30
20
15
21.5
6
10
15
20
7.5
18
12
4
10
11
8
6
15
12
20
25
50
30
80
120
120
1.25
4
4
1.5
2.5
5.5
2
9
6
7
5
4
60
100
Weight kg
0.27
0.50
0.60
0.60
0.60
0.60
0.70
1.50
0.60
0.70
1.50
0.27
0.43
0.60
0.27
0.43
0.60
0.27
0.43
0.50
0.60
1.50
1.50
1.50
1.50
1.50
5.00
5.00
0.20
0.20
0.20
0.20
0.20
0.20
0.27
0.20
0.27
0.60
0.27
0.43
0.60
29
21
PowerLogic:
Current transformers
Part numbers 16500 to 16506 and 16451 to 16456
44 30
Part numbers 16509 to 16515 and 16459 to 16465
56
30 42
27
65
22 10
84 88.5
60
Part numbers 16518 to 16521 and 16468 to 16471
77
40 46
42.5
10
33
107
64
111.5
Part numbers 16523 to 16524 and 16473 to 16474
64
51 66
17
31 11 113
90 48
Part numbers 16526 to 16535 and 16476 to 16483
32 40
65 48 90
90 87
Part numbers
16537 to 16538 s
34
84 116
96
87
58
Part numbers
16540 to 16544
38
127 160
87
99 58
Part numbers
16545 to 16547
52
127 160
40
125 87
Part numbers
16548 to 16549
55
8 23.5
165 242
177 110
Dimensions in mm
30
PowerLogic
Circuit monitoring
The PowerLogic range of circuit monitors offers multifunctional, digital instrumentation, data acquisition and control capable of replacing a variety of meters, relays, transducers and other components.
The PowerLogic circuit monitor products install onto a three phase circuit like a conventional watt hour meter, but delivering far more information. The circuit monitors offer comprehensive metering with 0.04% typical accuracy on current and voltage.
32
PowerLogic:
Circuit monitor series 3000
Circuit monitor CM3250 and CM3350 are high performance acquisition and control devices offering numerous measurement functions. They integrate easily in power monitoring and control systems due to their optional ethernet connections and embedded web server.
Whether installed at the point of common coupling, at the head of a switchboard or on sensitive equipment feeders, circuit monitor units record the electrical parameters of the installation. They provide the information required to control costs, improve power quality and reduce equipment downtime.
The CM3350 detects and captures voltage sags and swells that may cause halts in production.
Applications
■ Panel instrumentation
■ Sub-billing/cost allocation
■ Remote monitoring of an electrical installation
■ Power quality monitoring
■ Contract optimisation
■ Bill checking
Description
Series 3000
CM3250
CM3350
Characteristics
■ IEC 60687 and ANSI C12.20 Class 0.5S for energy
■ Trend curves and short term forecasting
■ Detection and capture of voltage sags and swells (CM3350 only)
■ Acquisition of rms values every 100 ms (CM3350 only)
■ Ethernet 10/100 Mbits/s card (optional)
■ Server for custom HTML pages (optional)
■ Up to nine input/outputs to monitor the electrical installation (optional)
■ 8 MB of memory
Part number
CM3250MG
CM3350MG
PowerLogic:
Circuit monitor series 3000
Selection guide
Current and voltage accuracy
Energy and power accuracy
Number of samples per cycle
Instantaneous rms values
Current, voltage, frequency
Active, reactive, apparent power
Power factor
Energy values
Active, reactive, apparent energy
Total and per phase
Total and per phase
Demand values
Current
Active, reactive, apparent power
Predicted active, reactive, apparent power
Synchronisation of the measurement window
Present and max. values
Present and max. values
Power quality measurements
Harmonic distortion
Individual harmonics
Waveform capture
Detection of voltage sags and swells
Fast acquisition of 100 ms data
Current and voltage
Data recording
Min/max of instantaneous values
Data and event logs
Trending/forecasting
Alarms and SER (sequence of event recording)
GPS synchronisation (1 ms)
8 MB memory
Display and I/O
Multilingual display
Pulse output
Maximum number of I/Os
Direct voltage connection
Communication
RS485 Modbus port
Infrared Modbus port
Ethernet card + HTML page web server
Ethernet gateway for third party products
CM3250 CM3350
0.1 %
0.5 %
128 128
■
■
■
■
■
■
■
■
■
63 63
■ ■
-
-
■
■
■
■
■
IOC44 option
0.1 %
0.5 %
■
■
■
■
■
■
■
■
■
■
■
■
■
■
■
■
CMDLC or CMDVF option
■
600 V
■
9 9
600 V
2/4 wires 2/4 wires
CMDVF option
ECC21 option
ECC21 option
33
PowerLogic:
Circuit monitor series 3000
The CM3000 has two optional display units, an LCD display and a vacuum fluorescent display (VFD). They may be used for local circuit-monitor setup and operation.
5
6
7
8
1
2
3
4
Display screen
Infrared port (VFD display only)
Alarm LED
Arrow buttons
Menu button
Proximity sensor (VFD display only)
Enter button
Contrast button
CMDLC display
CMDVF display
OC/VF optical communication interface
CMDLC display
Back lit LCD display with four lines and 20 characters per line. The display unit has four navigation buttons, a contrast button and a red alarm LED. It connects to the
CM3000 via a CAB12 cable, 4.2 meters long, supplied with the display.
Description
LCD display supplied with the CAB12 cable
Connection cables CM3000/CM3000T
<-> display
1.3 m
4.2 m
9.0 m
Part number
CMDLCMG CMDLC
CAB4 CAB4
CAB12 CAB12
CAB30 CAB30
CMDVF display
Vacuum fluorescent display (VFD) with four lines and 20 characters per line. The display unit comprises four navigation buttons, a contrast button, a red alarm LED and an infrared port. The infrared port is used with the OCIVF accessory and may serve to set up or operate the circuit monitor from a computer. It connects to the
CM3000 via a CAB12 cable, 4.2 meters long, supplied with the display.
Description
VFD display supplied with the CAB12 cable
Connection cable CM3000/CM3000T
<-> display
1.3 m
4.2 m
9.0 m
Part number
CMDVFMG CMDVF
CAB4 CAB4
CAB12 CAB12
CAB30 CAB30
OCIVF optical communication interface
Accessory for transmission between the infrared port on the CMDVF display and a
PC computer (with SMS software).
Description
Optical communication interface
Part number
OCIVF
34
PowerLogic:
Circuit monitor series 3000
Ethernet ECC21 communication card
Ethernet ECC21 communication card
This optional card has two main functions:
■ It provides the circuit monitor with a fast ethernet connection over a 10/100
Mbits/s copper link or a 100 Mbits/s Fibre optic link
■
It serves as an ethernet gateway for devices daisy chained to its RS485
Modbus port
The card also includes a server for six HTML pages that may be consulted by a standard web browser. These pages may be customised and display information from the host circuit monitor and/or devices connected to its Modbus port.
The ECC21 card may be installed in the Circuit Monitor option-card slot.
Description
Ethernet communication card
Part number
ECC21
IOC44 card
IOC44 input/output card
Input/output blocks may be added to the circuit monitor to:
■ Monitor the electrical installation, notably the status of the circuit breakers, and check discrimination between protection devices
■ Measure the consumption of other commodities by counting the pulses sent by water or gas meters
■ Measure the temperature of the transformers
■ Transmit parameters over analogue channels to other systems
This optional card provides:
■ 4 digital inputs (20 - 138 VAC/DC)
■
4 digital outputs, including 3 relay outputs and a static output that may be programmed as a pulse output
Status changes on the digital inputs are time-stamped to within 1 ms.
The IOC44 card may be installed in the Circuit Monitor option-card slot to:
■ Monitor the electrical installation, notably the status of the circuit breakers, and check discrimination between protection devices
■ Measure the consumption of other commodities by counting the pulses sent by water or gas meters
Description
IOC44 card
Part number
IOC44
35
PowerLogic:
Circuit monitor series 3000
Electrical characteristics
Type of measurement
Measurement accuracy
Data update rate
Input voltage characteristics
Input current characteristics
Supply
Input/outputs
Current and voltage ±0.075 % of reading + ±0.025 % of full scale
Power ±0.075 % of reading + ±0.025 % of full scale
Frequency ±0.01 Hz from 45 to 67 Hz
±0.01 Hz from 350 to 450 Hz
Energy
True rms up to the 63rd harmonic
On three-phase AC system (3P, 3P+N)
128 samples per cycle
Measured voltage
IEC 60687 and ANSI C12.20 Class 0.5S
1 s in normal mode and 100 ms in 100 ms mode
0 to 600 V AC (direct)
0 to 1200 kV AC (with external VT)
Measurement range 0 to 1.5 Un
Impedance > 2 MΩ
Frequency
Measurement range 45 to 67 Hz and 350 to 450 Hz
CT ratings Adjustable from 5 A to 30 000 A
Measurement range 0 to 2 In
Permissible overload 15 A continuous
50 A for 10 seconds per hour
500 A for 1 second per hour
Load
AC
DC
Ride through time
Pulse output
IOC44 card
(optional)
< 0.15 VA
90 to 305 V AC, 27 VA
100 to 300 V DC, 16 W
99 ms at 120 V AC/75 ms at 125 V DC
Static output (240 V AC max., 100 mA max.)
4 digital inputs (20-138 V AC/DC),
3 relay outputs (5 A to 240 V AC)
1 static output (96 mA max. at 240 V AC)
36
Series 3000 + optional ECC21 or IOC44
PowerLogic:
Circuit monitor series 3000
Mechanical characteristics
IP degree of protection (IEC 60529)
Dimensions (mm)
Environmental conditions
Operating temperature
CM3250/CM3350
CMDLC display
CMDVF display
CM + displays Storage temperature
Humidity rating
Pollution degree
Installation category
Dielectric withstand
Electromagnetic compatibility
Electrostatic discharge
Immunity to radiated fields
Immunity to fast transients
Immunity to impulse waves
Conducted and radiated emissions
IP52
CM3250/3350 210 x 105 x 143
-25 °C to +70 °C
-20 °C to +60 °C
-20 °C to +70 °C
-40 °C to +85 °C
5 to 95% RH at 40 °C
2
III, for distribution systems up to 277/480 V (1)
As per EN61010, UL508
Level 3 (IEC 61000-4-2)
Level 3 (IEC 61000-4-3)
Level 3 (IEC 61000-4-4)
Level 3 (IEC 61000-4-5)
CE industrial environ./FCC part 15 class A EN55011
Safety
Europe
U.S. and Canada
Communication
RS485 port (2)
Infrared port (optional) (2)
CE, as per IEC 61010
UL508
2/4 wires, up to 38400 bauds, Modbus
IrDa, up to 38400 bauds, Modbus
Ethernet ECC21 card with HTML server (optional) (2)
Copper ethernet link
Fibre-optic ethernet link
10/100 BaseTX, RJ45 connector, 100-metre link
100 Base FX, LC duplex connector, 1300 nm,
FO multimode with gradient index 62.5/125 µm or 50/125 µm, 2000-metre link
Protocol Modbus/TCP/IP
Gateway function for products Master Modbus port, 31 daisy-chained slaves, 63 with repeater, connected to the ECC21 2/4 wires, 1200 to 38400 bauds, also compatible with the
PowerLogic protocol
HTML server 1 standard page, 5 customisable pages
(1) Category II for distribution systems higher than 277/480 V.
(2) All the communication ports may be used simultaneously.
Example of a CM3250 HTML page showing instantaneous values
37
38
PowerLogic:
Circuit monitor series 3000
Ethernet ECC21 card with HTML server (optional) (2)
Copper ethernet link 10/100 BaseTX, RJ45 connector, 100-metre link
Fibre-optic ethernet link 100 Base FX, LC duplex connector, 1300 nm,
FO multimode with gradient index 62.5/125 µm or 50/125 µm, 2000-metre link
Protocol Modbus/TCP/IP
Gateway function for products Master Modbus port, 31 daisy-chained slaves, 63 with repeater, connected to the ECC21
HTML server
2/4 wires, 1200 to 38400 bauds, also compatible with the
PowerLogic protocol
1 standard page, 5 customisable pages
Firmware characteristics
14 data logs
One 100 ms data log
One min./max. log
One min./max./avg. log
One event log
Trend curves
Forecasting
Waveform capture
Alarms
Memory
Firmware update
Up to 96 different parameters, factory-set logs ready to use
Parameters recorded every 100 ms for events (CM3350 only)
-
Min./max./avg. values recorded for 23 parameters at regular intervals from 1 to 1440 minutes
Time stamping to 1 ms, synchronisation 1 ms by GPS
Four trend curves: 1 minute, 1 hour, 1 day and 1 month.
Min./max./avg. values recorded for eight parameters:
■ Every second for one minute for the 1-minute curve
■ Every minute for one hour for the 1-hour curve
■ Every hour for one day for the 1-day curve
■ Every day for one month for the 1-month curve
Forecasting of the values for the eight parameters for the next four hours and next four days
Standard: manual launch, 1 cycle, 128 samples, 63rd harmonic
Disturbance: manual launch or by alarm, 128 samples per cycle, adjustable from 12 to 80 cycles, response time less than 0.5 cycle, number of cycles before alarm settable from 2 to 10
Adjustable pickup and dropout setpoints and time delays, numerous activation levels possible for a given type of alarm.
Four priority levels, three response times: standard 1 second, fast 100 ms, disturbance < 0.5 cycle (CM3350 only)
Boolean combination of four alarms is possible using the operators NAND, OR, NOR and XOR Digital alarms, e.g. status change of digital inputs
8 MB standard
Update via the communication ports
Display characteristics
CMDLC (optional)
CMDVF (optional)
Languages
Back-lit LCD
Vacuum fluorescent display (VFD) with IR port
French, English, Spanish
(1) Category II for distribution systems higher than 277/480 V.
(2) All the communication ports may be used simultaneously.
PowerLogic:
Circuit monitor series 3000
3 wire connection with 2 CT’s and no VT
4 wire connection with 4 CT’s and 3 VT’s
Ethernet ECC21 communication card IOC44 input/output card
39
PowerLogic:
Circuit monitor series 3000
CM3000 Mounting on symmetrical rail
40
Dimensions in mm
PowerLogic:
Circuit monitor series 3000
CMDLC/CMDVF Mounting on a back plate
Dimensions in mm
41
PowerLogic:
Circuit monitor series 4000
The CM4000 and CM4000T are high performance, digital instrumentation, data acquisition and control devices offering numerous measurement functions and easy integration due to their ethernet connections and embedded web server. They are designed for applications where power quality and availability are critical factors.
They are generally used at the service entrance and for sensitive equipment mains. Due to the very wide range of functions, including the detection of transients, it is possible to rapidly solve the problems arising from poor power quality. They are also extremely useful in handling the situations generated by the deregulation of markets. As metering class products, they can also be used to measure the consumption of other commodities such as water, gas or vapour.
CCM4000 + vacuum fluorescent display (VFD)
Applications
■ Panel instrumentation
■ Sub-billing/cost allocation
■ Real time monitoring
■ Extensive power quality monitoring
■ Contract optimisation
■ Bill checking
■ Preventive maintenance
Characteristics
IEC 60687 and ANSI C12.20 Class 0.2 for energy and power
■ Verification of consumption and load curves
Detection and capture of voltage sags and swells
■ Rapid identification of the underlying causes of problems
Detection and capture of short transients less tha 1 µs (optional)
■ Identification of problems due to short disturbances, e.g. switching of capacitors, etc
Adaptive waveform capture
■ Adjustable or self-adjusting recording times for the capture of long phenomena, e.g. motor starts, reconnection sequences, etc
Acquisition of rms values every 100 ms
■ Preventive maintenance, e.g. acquisition of a motor start-up curve, etc
Connections to fast ethernet networks 10/100 Mbits/s (optional)
■ Rapid data transfers over an intranet or the internet
Server for custom HTML pages (optional)
■ Access to the information without any special tools, simply a web browser
Up to 25 inputs/outputs to monitor the electrical installation
■ Status of circuit breakers, as well as metering of other commodities, e.g. gas, water, etc
Up to 32 MB of memory
■ For archiving of data and waveforms
Description
CM4000
CM4000T
Part number
CM4000MG
CM4000TMG
42
PowerLogic:
Circuit monitor series 4000
1
2
3
Current/voltage module
Control power-supply connector
Maintenance LED indicator
4
5
Power LED indicator
RS485 port with transmit and receive
LED indicators
Display communication port 6
7
8
Slots for optional cards
RS232 port with transmit and receive
LED indicators
9 KYZ pulse output
10 Sealable access door
Disturbance waveform capture: detection of a voltage sag
Selection guide
General
Use on LV and HV systems
Current and voltage accuracy
Energy and power accuracy
Nbr of samples/cycle or sample frequency
Instantaneous rms values
Current, voltage, frequency
Active, reactive, apparent power
Power factor
Energy values
Active, reactive, apparent energy
Settable accumulation mode
Total and per phase
Total and per phase
Demand values
Current
Active, reactive, apparent power
Predicted active, reactive, apparent power
Synchronisation of the measurement window
Setting of calculation mode:
Present and max. values
Present and max. values block, sliding
Power quality measurements
Harmonic distortion
Individual harmonics
Waveform capture
Detection of voltage swells and sags
Adaptive waveform capture (up to 64 s)
Detection and capture of transients (< 1 µs)
Fast acquisition of 100 ms data
Programmable (logic and math functions)
Current and voltage
Via meter
Via SMS
Data recording
Min/max of instantaneous values
Data logs
Event logs
Alarms
SER (Sequence of Event Recording)
Time stamping
GPS synchronisation (1 ms)
Memory expandable up to
Display and I/O
Display
Multilingual: English, French, Spanish
Wiring self-test
Pulse output
Maximum number of I/Os
Direct voltage connection
Communication
RS485 port
Infrared port
RS232 port
Modbus protocol
Ethernet card (Modbus/TCP/IP protocol)
HTML-page web server
Ethernet gateway for third-party products
■
■
■
■
■
CM4000 CM4000T
■
0.04%
0.2%
512
■
0.04%
0.2%
5 MHz
■
■
■
■
■
■
63
255
■
■
■
-
■
■
■
■
■
■
■
■
■
■
■
■
■
■
32MB
■
■
■
■
■
■
■
32MB
■
63
255
■
■
■
-
■
■
■
■
■
■
■
CMDLC or CMDVF option
■
■
■
■
■
25
■
25
600V 600V
2/4 wires 2/4 wires
CMDVF option
■
■
■
■
ECC21 option
ECC21 option
ECC21 option
43
44
PowerLogic:
Circuit monitor series 4000
The CM4000 has two optional display units, an LCD display and a vacuum fluorescent display (VFD). They may be used for local circuit monitor setup and operation.
5
6
7
8
1
2
3
4
Display screen
Infrared port (VFD display only)
Alarm LED
Arrow buttons
Menu button
Proximity sensor (VFD display only)
Enter button
Contrast button
CMDLC display
Back lit LCD display with four lines and 20 characters per line. The display unit has four navigation buttons, a contrast button and a red alarm LED. It connects to the
CM4000 via a CAB12 cable, 4.2 meters long, supplied with the display.
Description
LCD display supplied with the CAB12 cable
Connection cables CM4000/CM4000T
<-> display
1.3 m
4.2 m
9.0 m
Part number
CMDLCMG
CAB4
CAB12
CAB30
CMDVF display
Vacuum fluorescent display (VFD) with four lines and 20 characters per line. The display unit comprises four navigation buttons, a contrast button, a red alarm LED and an infrared port. The infrared port is used with the OCIVF accessory and may serve to set up or operate the circuit monitor from a computer. It connects to the
CM4000 via a CAB12 cable, 4.2 meters long, supplied with the display.
Description
LCD display supplied with the CAB12 cable
Connection cables CM4000/CM4000T
<-> display
1.3 m
4.2 m
9.0 m
Part number
CMDVFMG
CAB4
CAB12
CAB30
OCIVF optical communication interface
Accessory for transmission between the infrared port on the CMDVF display and a
PC computer (with SMS software).
Description
Optical communication interface
Part number
OCIVF
PowerLogic:
Circuit monitor series 4000
Ethernet ECC21 communication card
The ECC21 is an optional ethernet communication card. It may be installed in one of the two slots in the circuit monitor intended for optional cards. It has two main functions:
■ Equip the circuit monitor with a fast ethernet connection over a 10/100 Mbits/s copper link or a 100 Mbits/s Fibre optic link
■ Serve as an ethernet gateway for devices daisy chained to its RS485 Modbus port. The ECC21 card also includes a server for six HTML pages that may be consulted by a standard web browser. The pages may be customised and display information from the host circuit monitor and/or devices connected to its Modbus port.
Description
Ethernet communication card
Part number
ECC21
CVM current/voltage module
This is the CM4000 acquisition module for currents and voltages. It is supplied already installed on the CM4000. If the circuit monitor must be recalibrated, this is the only module requiring recalibration. It may be installed and removed in the field. This module may also be replaced in the field by a CVMT module (see the next paragraph) to transform a CM4000 into a CM4000T.
Description
Current/voltage module for CM4000
Part number
CVM
CVMT current/voltage module
This is the CM4000T acquisition module for currents and voltages, i.e. it is suitable for the detection of transient phenomena with a 5 MHz voltage sampling rate.
Similar to the CVM, it may be installed and removed in the field. It is supplied already installed on the CM4000T.
Description
Current/voltage module for CM4000T
Part number
CVMT
45
46
PowerLogic:
Circuit monitor series 4000
Input/output blocks may be added to the circuit monitor to:
■ Monitor the electrical installation, notably the status of the circuit breakers, and check discrimination between protection devices
■ Measure the consumption of other commodities by counting the pulses sent by water or gas meters
■
Measure the temperature of the transformers
■ Transmit parameters over analogue channels to other systems
The circuit monitor may be equipped with a total of 25 optional digital or analogue input/outputs.
These input/outputs may be added in two different manners:
■ Either using an IOC44 card
■ Or the IOX input/output extender module and individual input/output modules that connect to the extender
All these options may be installed in the field. Status changes on the digital inputs are time-stamped to within the millisecond.
IOC44 card
This is an input/output card equipped with:
■ 4 digital inputs 20 - 138 V AC/DC
■
■
■ 4 digital outputs, including 3 relay outputs and a static output that may be programmed as a pulse output. It may be installed in the option card slots of the circuit monitor
There are three possible configurations for the circuit monitor series 4000:
■ 1 IOC44 card
2 IOC44 cards
1 IOC44 card and 1 ethernet ECC21 card
Description
IOC44 card
Part number
IOC44
PowerLogic:
Circuit monitor series 4000
IOX extender equipped with two input/output modules
IOX input/output extender
The IOX input/output extender may be equipped with up to eight plug-in input or output modules. The entire unit connects to the side of the circuit monitor. The input/output modules may be digital or analogue.
Three pre-equipped versions may be ordered directly, the IOX08, IOX0404 and
IOX2411. Other versions may be user prepared by ordering an empty IOX extender and separate I/O modules (see the section on I/O Modules for selection). In this case, the IOX extender may be equipped with up to a maximum of four analogue modules.
Description
IOX extender
IOX08 extender
IOX0404 extender
IOX2411 extender
IOX2411 pre-equipped extender module
Description
IOX extender
IOX08 extender
IOX0404 extender
IOX2411 extender
Empty extender with eight slots for separate input and/or output modules, digital or analogue, with however a maximum of four analogue modules.
IOX extender equipped with:
8 digital input modules 120 V AC
IOX extender equipped with:
4 digital input modules 120 V AC
4 analogue input modules 4-20 mA
IOX extender equipped with:
2 digital output modules 60 V DC
4 digital input modules 32 V DC
1 analogue output module 4-20 mA
1 analogue input module 0-5 V
Part number
IOX
IOX08
IOX0404
IOX2411
Input/output modules
The input/output modules are installed in the slots of the IOX extender. One module corresponds to either one input or one output. A number of versions are available, digital and analogue inputs and outputs, and different voltage levels.
Description
DI120AC module
DI240AC module
DI32DC module
DO120AC module
DO240AC module
DO200DC module
DO60DC module
AI05 module
AI420 module
AO420 module
One digital input 120 V AC
One digital input 240 V AC
One polarised digital input 32 V DC, switching time 0.2 ms
One digital output 120 V AC, 3.5 A max
One digital output 240 V AC, 3.5 A max
One digital output 200 V DC, 3.5 A max
One digital output 60 V DC, 3.5 A max
One analogue input 0-5 V DC
One analogue input 4-20 mA
One analogue output 4-20 mA, max. load 250 Ω
Description
DI120AC module
DI240AC module
DI32DC module
DO120AC module
DO240AC module
DO200DC module
DO60DC module
AI05 module
AI420 module
AO420 module
Part number
DI120AC
DI240AC
DI32DC
DO120AC
DO240AC
DO200DC
DO60DC
AI05
AI420
AO420
47
PowerLogic:
Circuit monitor series 4000
Electrical characteristics
Type of measurement
Measurement accuracy
Data update rate
Input-voltage characteristics
Input-current characteristics
Current and voltage
Power
Frequency
True rms up to the 255th harmonic
On three-phase AC system (3P, 3P+N)
Up to 512 samples per cycle
± 0.04% of reading + ± 0.025% of full scale
± 0.075% of reading + ± 0.025% of full scale
± 0.01 Hz from 45 to 67 Hz
± 0.1 Hz from 350 to 450 Hz
Power factor
Energy
Measured voltage
± 0.002 from 0.5 leading to 0.5 lagging
IEC 60687 and ANSI C12.20 Class 0.2
1 s in normal mode and 100 ms in 100 ms mode
0 to 600 V AC (direct)
Measurement range
Impedance
Frequency measurement range
0 to 1200 kV AC (with external VT)
0 to 1.5 Un
> 2 MΩ
45 to 67 Hz and 350 to 450 Hz
CT ratings
Measurement range
Permissible overload
Adjustable from 5 A to 30 000 A
0 to 2 In
15 A continuous
50 A for 10 seconds per hour
500 A for 1 second per hour
Power supply
Input/outputs
Load
AC
DC
Ride through time
Pulse output
IOC44 card (optional)
IOX extender (optional)
IOX08 (optional)
IOX0404 (optional)
IOX2411 (optional)
(1)
(1)
(1) Operating limits: 0° C to + 60° C. Storage limits: -25° C to +85° C.
< 0.15 VA
90 to 305 V AC (± 10%), 50 VA
100 to 300 V DC (± 10%), 30 W
100 ms at 120 V DC
Static output (240 V AC max, 96 mA max)
4 digital inputs (20-138 V AC/DC),
3 relay outputs (5 A to 240 V AC)
1 static output (96 mA max to 240 V AC)
Slots for 8 I/Os
8 digital inputs 120 V AC
4 digital inputs 120 V AC, 4 analogue outputs 4-20 mA
2 digital outputs 120 V AC, 4 dig. inputs 32 V DC,
1 analogue input 0-5 V, 1 analogue output 4-20 mA
48
CM4000 + options: ECC21, IOC44 and IOX2411
PowerLogic:
Circuit monitor series 4000
Mechanical characteristics
IP degree of protection (IEC 60529)
Dimensions (mm) Without accessories
CM4000
Dimensions
CM4000T
With accessories
Without accessories
With accessories
Environmental conditions
Operating CM4000/CM4000T temperature CMDLC display
CMDVF display
Storage temperature
Humidity rating
CM + displays
Pollution degree
Installation category
Dielectric withstand
Electromagnetic compatibility
Electrostatic discharge
Immunity to radiated fields
Immunity to fast transients
Immunity to impulse waves
Conducted and radiated emissions
IP52
231.4 x 152.2 x 133.1
231.4 x 202.9 x 133.1
231.4 x 165.6 x 133.1
231.4 x 216.3 x 133.1
-25°C to +70°C
-20°C to +60°C
-20°C to +70°C
-40°C to +85°C
5 to 95% RH at 40°C
2
II
As per EN61010, UL508, CSA C22.2-2-4-M1987
Level 3 (IEC 61000-4-2)
Level 3 (IEC 61000-4-3)
Level 3 (IEC 61000-4-4)
Level 4 (IEC 61000-4-5)
CE industrial environment/FCC part 15 class A
49
Adaptive waveform capture: transformer inrush current
Adaptive waveform capture: motor starter rms value
Example CM4000 HTML page showing instantaneous values
PowerLogic:
Circuit monitor series 4000
Safety
Europe
USA and Canada
Communication
RS485 port
RS232 port
(1)
(1) a PC or modem
Infrared port (optional) (1)
CE, as per IEC 61010
UL508 and CSA C22.2-2-4-M1987
2/4 wires, up to 38 400 bauds, Modbus
Up to 38 400 bauds, Modbus, direct connection to
IrDa, up to 38 400 bauds, Modbus
Ethernet ECC21 card with HTML server (optional) (1)
Copper ethernet link 10/100 BaseTX, RJ45 connector, 100 m link
Fibre optic ethernet link 100 Base FX, LC duplex connector, 1300 nm, FO multimode with gradient index 62.5/125 µm or 50/125 µm, 2000 m link
Protocol Modbus/TCP/IP
Gateway function for Master Modbus port, 31 daisy-chained slaves, products connected to the
ECC21
HTML server
63 with repeater, 2/4 wires, 1200 to 38 400 bauds, also compatible with the PowerLogic protocol
1 standard page, 5 customisable pages
Firmware characteristics
14 data logs
One 100 ms data log
One min/max log
One min/max/avg. log
One event log
Waveform captures
Alarms
Up to 96 different parameters, factory-set logs ready to use
Parameters recorded every 100 ms for events
-
Min/max/average values recorded for 23 parameters at regular intervals from 1 to 1440 minutes
Time stamping to 1 ms, synchro. 1 ms by GPS
Standard: manual launch, 1 cycle, 512 samples, 255th harmonic
Disturbance: manual launch or by alarm, adjustable from 512 samples/cycle over 28 cycles to 16 samples/cycle over 915 cycles, response time less than 0.5 cycle, number of cycles before alarm settable from 2 to 10
Adaptive: manual launch or by alarm, adjustable from 512 samples/cycle over 8 seconds to 16 samples/cycle over 264 seconds, capture takes place during a set duration or as long as an alarm is active (to save memory), number of cycles before alarm settable from 2 to 10
Transient: voltage sampling at 5 MHz (83 333 samples/cycle) over 2 ms to capture transient peaks < 2 µs
Adjustable pickup and dropout setpoints and time delays, numerous activation levels possible for a given type of alarm
4 priority levels
4 response times: standard 1 s, fast 100 ms, disturbance < 1/2 cycle, transient < 1µs
Boolean combination of four alarms is possible using the operators NAND, OR, NOR and XOR
Digital alarms, e.g. status change of digital inputs
8 MB standard, expandable up to 32 Mbytes
Update via the communication ports
Memory
Firmware update
Display characteristics
CMDLC (optional)
CMDVF (optional)
Back lit LCD
Vacuum fluorescent display (VFD) with IR port
(1) All the communication ports may be used simultaneously.
50
PowerLogic:
Circuit monitor series 4000
3 wire connection with 2 CT’s and no VT
4 wire connection with 4 CT’s and 3 VT’s
51
52
PowerLogic:
Circuit monitor series 4000
Ethernet ECC21 communication card IOX input/output extender
IOC44 input/output card
PowerLogic:
Circuit monitor series 4000
CM4000
CM4000T
Dimensions in mm
53
PowerLogic:
Circuit monitor series 4000
Mounting on a back plate series 4000
54
Mounting possibilities
Vertical mounting
CMDLC/CMDVF
Horizontal mounting
Mounting on a back plate
Dimensions in mm
PowerLogic
Network solutions
Transparent Ready
TM
from Schneider Electric is an open network framework based upon internet technologies to provide seamless communications between operational plant and business systems.
The network solution from PowerLogic provides an essential building block to Transparent Ready along with Programmable Logic Controllers (PLC’s), Human
Machine Interfaces (HMI’s) and motor controllers, including Variable Speed Drives (VSD’s).
PowerLogic offers access to information via a
standard web browser transmitting information over
Ethernet TCP/IP.
56
PowerLogic:
EGX Ethernet gateways
The EGX 200 and EGX 400 make ethernet communications available to the devices
in the PowerLogic system. The EGX 400 gateway also includes HTML pages that may be accessed via a standard internet browser.
These HTML pages may be used to display information transmitted by the devices connected to the gateway. The internet browser may also be used to set the EGX gateway communication links and to update the imbedded software.
Applications
■ LAN/WAN connectivity of Modbus devices
■ Real time data display via standard browser
■ aM&T solution
Characteristics
■ Standard UTP/Fibre optical communications
■ 2 and 4 wire Modbus master ports
■
Downloadable custom web pages
■ Downloadable firmware upgrades
■ Data logging for up to 64 devices (EGX400)
Description
Ethernet gateway with 2 RS 485 ports and UTP Ethernet port
Ethernet gateway with 2 RS 485 ports, UTP Ethernet port
Fibre optic port and 8MB for web pages
Part number
EGX200MG
EGX400MG
PowerLogic:
EGX Ethernet gateways
Characteristics
Control power input specifications
Operating input range
Burden, maximum
Isolation
Environmental specifications
Ambient operating temperature
Storage temperature
Humidity rating
Pollution degree
Regulatory/standards compliance
Radiated emissions
Conducted emissions
Immunity for industrial environments
Electrostatic discharge (air discharge)
Immunity to surge (impulse wave)
Immunity to electrical fast transients
Power frequency magnetic field
Voltage dips
Voltage interruptions
Conducted immunity
Radiated immunity
Characteristics
Number of RS 485 ports (device side)
2 wire - 4 wire compatibility
Number of devices directly connected
Ethernet 10/100Base Tx port
Ethernet 10Base Fx (fibre optics) port
Modbus/TCP protocol
Ethernet port speed
Standard HTML pages
Custom HTML pages
Compatible with industrial environments
24Vdc (±10%)
8 watts
1.5kV
-30 0 C to +80 0 C
-40 0 C to +85 0 C
5 - 95% relative humidity (non-condensing) at +40 0 C
Class 2
EGX200
2
■
64
1
None
■
100MB
None
None
■
EN 55022/FCC Class A
EN 55022/FCC Class A
EN 61000-6-2
EN 61000-4-2
EN 61000-4-5
EN 61000-4-4
EN 61000-4-8
EN 61000-4-11
EN 61000-4-11
EN 61000-4-6
EN 61000-4-3
EGX400
2
■
64
1
1
■
100MB
None
8MB
■
57
58
PowerLogic:
EGX Ethernet gateways
Communications overview
PowerLogic system manager software
Standard web browser
Ethernet TCP/IP
EGX
RS 485 daisy chain connected to the EGX RS 485 port
CM4000
PM800 PM700
Micrologic
Connection details
Communications wiring (4 wire) with Belden 8723 cable
COM 1 (RS 485) COM 2 (RS 485)
10 9 8 7 6 5 4 3
TX
2
RX
1
RxRx+ TxTx+ RxRx+ TxTx+
Sepam
RS 485
TX
RX
Altivar 38/58 variable speed drive
Shield Black Red White Green Shield Black Red White Green
Communications wiring (2 wire) with Belden 9841 cable
COM 1 (RS 485)
10 9 8 7 6
COM 2 (RS 485)
5 4 3 2
TX
RX
1
RxRx+ TxTx+ RxRx+ TxTx+
RS 485
TX
RX
Shield White with blue stripe
L-
Blue with white stripe
L+
Shield White with blue stripe
L-
Blue with white stripe
L+
PowerLogic:
EGX Ethernet gateways
Wiring details
COM 2 (RS
485)
Power
Logic system s
LK
TX
RX
10-100 Base T
100 Base FX
COM 1 (RS
485)
24V - 8W
24V dc control power connector
Common
+24V dc
To ground earth
24V dc switching power supply
(included with EGX)
Dimensions (mm)
11
Top view
201
221
45
123
37
28 15
End view
201 45
78
11 28
50
Side view
201 15
59
PowerLogic:
Power Server
Designed for unattended operations in industrial or large commercial buildings.
The power server from PowerLogic is a self contained information server that can be a stand alone system providing local monitoring or part of a corporate enterprise. In either capacity, the power server functions as a power monitoring web server, data concentrator and a communications gateway connecting and displaying information for up to 64 monitoring devices in the PowerLogic system. By mounting the optional touchscreen display at your local station the power server provides local viewing of equipment status, real time information, maintenance documents, alarms, trends and more. In addition the information can be viewed over the network from any PC using a standard web browser.
With the powerful and unique intelligent data publishing feature, the collected information can also be automatically transferred to a central site - making it possible to analyse and monitor a large number of sites for strategic load aggregation and power quality decision making. The central site can be PowerLogic system manager on your intranet or hosted on the internet with the PowerLogic provided online enterprise web service - which ever suits your monitoring needs.
Applications
■ Energy and load management
■ Energy cost allocation
■ Overload protection
■ aM&T solution
PowerLogic power server can give you a view into your power distribution equipment
Characteristics
Viewing information without installing software
■ Provides real time Web pages for browser-based facility monitoring in the form of meters, bar charts, and tabular views and diagram displays
■ Provides historical trends, reports, waveform viewing
■ Provides active alarm and historical alarm log views
Monitor all utilities
■ Consolidates all energy and data - includes water, air, gas, electric, and steam values
Flexible system compatibility
■ Coexists on Ethernet network as Modbus/TCP device gateway allowing interface to PowerLogic and other monitoring systems
■ Supports Modbus compatible and PowerLogic system devices
Supports customisation
■ Automatic notification to pagers for report by exception alarms
■ Additional logging, trends, reports or diagrams tailored to your needs
Description
Power Server with realtime data display
Part number
PWRSRV710MG
Power Server with realtime data, graphics, history and alarms PWRSRV750MG
Power Server local display SD700MG
60
PowerLogic:
Power Server
Specifications
Control power input specification
Operating input range
Burden, maximum
24V DC (± 10%) (sourced by Class 2 rated supply)
28W
Environment
Ambient operating temperature
Ambient storage temperature
Sealing
Altitude (maximum)
0 to 50 0 C (<95% relative humidity, non-condensing)
-20 0 C to 70 0 C
IP30: sealed against particles >2.5mm
4.5km
Physical specifications
Housing dimensions (mm)
Weight
Isolation
Regulatory/standards compliance
EMC CE marked to the immunity to interference
(EN 50082-2) and emmissions directive
(EN 50081-2) for industrial environments
Safety
228 long x 143 high x 92 deep
Approximately 2kg for complete system
COM 3/COM 4: opto-galvanic, 500V AC
100Base TX: Galvanic, 500V AC rms
Fast transients - EN 50082-2 criteria B compliance
UL recognised, cUL recognised
CE
61
PowerLogic:
Power Server
Power Server data can be sent to a web system server to enable total energy consumption analysis per site as well as company wide peak contributions for all locations.
Specifications
Part number
Optional local display
Historical data transfer
Real time tables
Bar charts
Meters
Setup
Alarms
Graphic diagrams
Historical reports
Instruction bulletins
Waveform viewer
Maintenance information
✓
✓
✓
✓
✓
PWRSRV
710MG
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
PWRSRV
750MG
✓
View real time tables, bar charts, and meters without installing any special software
62
PowerLogic:
Power Server
Communications overview
The Power Server used as a stand alone system monitoring device
Web browser
Initial set up via net meeting
Ethernet
Optical touch screen
Device set up for the PowerLogic system
EGX Mixed mode daisy chain
Power Server used as a component of the PowerLogic system
The Power Server used as a gateway device with SMS and a web server
Internet
View reports via web browser
PowerLogic enterprise system
Internet
Firewall
Firewall
Via internet
PUSH application sending data to enterprise
Web browser
PC with system manager software (SMS)
Optical touch screen
Device set up for the PowerLogic system
Mixed mode daisy chain
Via a modem
Power Server used as a gateway
63
64
PowerLogic:
Power Server
Connection details
1 2
5 6
3 4
7
5
6
7
1
2
3
4
COM 1 - RS 232 serial port set up connection
COM 2 - RS 232 touchscreen serial connection
UTP port
VGA output to touchscreen monitor
COM 3 - RS 485 port
COM 4 - RS 485 port
Control power
Typical 4 wire connection
(IN+)
(IN-)
(OUT+)
(OUT-)
(Shld)
4 wire typical standard
PowerLogic
Slave device
RX+
RX-
Green
White
Red
TX+
TX-
Black
Shield
DB9F2TB to
Power Server
1 TX-
2
3
4 RX+
5 Shield
6 TX+
7
8
9 RX-
2 wire typical
PowerLogic device
L-
L+
Shield
Typical 2 wire connection
DB9F2TB to
Power Server
6
7
4
5
8
9
1
2
3
TX-
RX+
Shield
TX+
RX-
PowerLogic:
Power Server
Dimensions (mm)
143
228
92
65
66
PowerLogic
Glossary of terms
68
PowerLogic:
Glossary of terms
Accumulated energy
Energy can accumulate in either signed or unsigned
(absolute) mode. In signed mode, the direction of power flow is considered and the accumulated energy magnitude may increase and decrease. In absolute mode, energy accumulates as a positive regardless of the power flow direction.
Active (or real or Resistive) current and power
Only the component of the current that is in-phase with the voltage can be used to supply real energy e.g. heat or mechanical work. This component is produced by the resistance of the load.
Active Power (W) = Voltage (V) x In-phase Current (A).
ANSI
American National Standards Institute.
Baud rate
Specifies how fast data is transmitted across a network point.
Billing point (Billing date)
A billing action can occur on a billing date. Billing dates can be hard coded or can be programmed by a tariff
(see below). The billing action occurs just after midnight on the billing date i.e. at the start of the day, not the end.
Block interval demand
Power demand calculation method for a block of time and includes three ways to apply calculating to that block of time using the sliding block, fixed block or rolling block method.
Circuit monitor
An advanced power metering and analysis instrument.
Conditional energy
Energy accumulates only when a certain condition occurs.
Crest factor (CF)
Crest factor of voltage or current is the ratio of peak values to rms values.
Cumulative maximum demand
In order to help detect any attempt at fraud, when an MD reset occurs the values in one or more MD registers are added into a cumulative MD register. The supplier should then be able to detect an unexpected (and possibly fraudulent) MD reset by an unexpected increase in the cumulative value.
Current transformer (CT)
A transformer used to convert a current in a circuit to a measureable value, usually 5A or 1A. Special precautions must be taken when connecting and disconnecting these devices.
Current unbalance
Percentage difference between each phase voltage with respect to the average of all phase currents.
Demand
Average value of a quantity, such as power, over a specified interval of time.
Device address
Defines where the circuit monitor (or other devices) reside in the power monitoring system.
Displacement power factor (dPF)
Cosine of the angle between the fundamental components of current and voltage, which represents the time lag between fundamental voltage and current.
Ethernet
Media for fast, cost effective open networking.
Ethernet address
A unique number that identifies the device in the
Ethernet network and is always written as a combination of eleven or twelve numbers such as 199.186.195.23.
Event
The occurrence of a condition such as an alarm.
Fundamental (a term used in harmonic analysis)
Value of voltage or current corresponding to the portion of the signal at the supply frequency (50, 60 or 400Hz).
Harmonic
An integer multiple of the fundamental frequency in an a.c. network.
Harmonic power
Difference between total power and fundamental power.
A negative value indicates harmonic power flow out of the load. A positive value indicates harmonic power flow into the load.
IEC
International Electrotechnical Commission.
Import, Export
Changing the phase angle of a current by 180 degrees is equivalent to negating its value. It is therefore possible to consider a current to be positive or negative depending on its phase angle. A positive current is said to be importing or consuming power and a negative current is exporting or generating power.
Incremental energy
Accumulates energy during a user-defined timed interval.
K-Factor
This relates the heating effect of a distorted current in a transformer to a sinusoidal current with the same r.m.s
magnitude.
Lag and lead
The current is "lagging" behind the voltage when the power factor is positive. i.e. when the phase angle is 0 degrees to 90 degrees or 180 degrees to 270 degrees. At other phase angles the power factor is negative and the current is "leading" the voltage.
Logging
Recording data at user-defined intervals in the meter’s nonvolatile memory.
Maximum demand
Electricity bills frequently have a component, which depends on the maximum demand over the billing period
(typically a month). A maximum demand register records the maximum value of demand over the billing period. A meter may have more than one maximum demand register: each register will be "active" at particular times of the day, or when a particular rate register is active.
Maximum demand reset
At the end of a billing period the maximum demand registers are reset to zero so that they can start recording another maximum in the new billing period.
Maximum value
Highest value recorded of an instantaneous quantity since the last reset of the minimum and maximum.
Minimum value
Lowest value recorded of an instantaneous quantity since the last reset of the minimum and maximum.
Modbus
Industrial standard serial communications protocol.
Overvoltage
Increase in effective voltage to greater than 100 percent for longer than one minute. See also voltage swell.
PowerLogic:
Glossary of terms
Partial interval demand
Calculation of energy thus far in a present interval. Equal to energy accumulated this far in the interval divided by the length of the complete interval.
Peak demand current
Highest demand current measured in amperes since the last reset of demand. See also peak value.
Peak demand real power
Highest demand real power measured since the last rest of demand.
Peak demand voltage
Highest demand voltage measured since the last reset of demand voltage. See also peak value.
Peak demand
Highest demand measured since the last reset of peak demand.
Peak value
Of voltage or current is the maximum or minimum crest value of a waveform.
Phase notation
Symbolic representation of the phases of a three phase supply A, B, C commonly used is USA. L1, L2, L3 used elsewhere R,Y,B currently used in the UK.
Phase rotation
Phase rotation refers to the order in which the instantaneous value of the voltages or currents of the system reach their maximum positive values. Two phase rotations are possible: A-BC or A-C-B.
Power and energy
Power is the rate at which energy is being used. The SI units of power are watts (W) and the units of energy are joules (J) Energy = Power x Time Power factor The power factor is the cosine of the phase angle between the current and the voltage.
Power Factor = Active Power
Apparent Power
Potential transformer (PT)
Also known as a voltage transformer.
Meter scaling
A meter is required to measure electricity, which is being supplied at a wide range of voltage and current. It is impractical to connect a meter directly to either high voltages or high currents, so the meter must be able to scale what it actually measures and indicate a time reading.
Predicted demand
A circuit monitor takes into account the energy consumption thus far in the present interval and the present rate of consumption to predict demand power at the end of the present interval.
Pulse input and output
A meter has the ability to produce output pulses and to sense input pulses. Both inputs and outputs are normally operated through relays. Outputs are often linked to one of the metered parameters, so that a pulse is produced for a given increase in the value in a register. Inputs are often used to synchronise the meter to some external timing device.
Reactive current and power
The out-of-phase component of the current supplies no useable energy. This component is produced by the reactance (inductance or capacitance) of the load. The power is the product of the voltage and the out-of-phase current Reactive power (VAr) = Voltage (V) x Out-ofphase current (A).
Real power
Useable power (kW).
R.M.S
This is the effective value or equivalent d.c. value of the voltage or current. Circuit monitors are true r.m.s.
sensing devices.
Synchronised demand
Demand intervals in a meter that can be synchronised with another device using an external pulse, a command sent over communications, or the meter’s internal realtime clock.
STOD
Many tariffs operate using Seasonal Time of Day (STOD).
This means that they operate according to the current time of day, which will change from one season to another with the operation of Daylight Saving Time (DST).
In the UK this means that the time will be GMT in the winter and BST in the summer. The alternative is that the meter operates to a fixed time reference, such as GMT, all the year round.
TCP/IP
Transmission control protocol/internet protocol.
Tariff
A tariff defines the way in which a customer will be charged. Most primary meters allow a tariff to be downloaded.
Total current and apparent power
The apparent power is the product of the voltage and the total current and has the units of volt-amperes. As the total current comprises an active and a reactive component so does the apparent power. The total current determines the size of the conductors needed to supply the electricity.
Apparent power (VA) = Voltage (V) x Total current (A).
Total harmonic distortion (THD or thd)
This is a quick measure of the total distortion present in a waveform. It provides a general indication of the quality of a waveform. IEEE519 & EN 50160 use the abbreviation THD and define the value as a function of the fundamental. An alternative method, found in use in
Europe, uses the abbreviation thd and defines the value as a function of the r.m.s. of the waveform.
Transient
Sudden change in the steady-state condition of voltage or current.
UL
Underwriters Laboratories, USA approvals authority.
Undervoltage
Decrease in effective voltage to less than 90% for longer than one minute. See also voltage sag.
Voltage interruption
Complete loss of power where no voltage remains in the circuit.(compare with undervoltage and sag).
Voltage sag
A brief decrease in effective voltage lasting less than one minute.
Voltage swell
Increase in effective voltage for up to one minute in duration. See also over voltage.
Voltage transformer (VT)
A transformer used to convert voltage in a circuit to a measureable value, usually 110V or 230V.
69
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DEC 2003 MGLV 5401
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