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EM3500 Project Overview
Version 1.4 (GKR)
Schneider Electric
Sept 2011
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EM3500 Family of Energy Meters
● Compact meter with ANSI 12.20 0.5% accuracy
● Reactive energy class 2%
● DIN-rail or wall mounting
● Built in backlit LCD display
● Simplifies set-up
● Allows you to easily verify installation and troubleshoot problems
● Provides easy access to all measurement data
● All models support a wide range of measurement applications
● 90-600V CATIII directly, up to 32,000V w/PTs
● 5-32,000 Amps
● Single phase, split-phase, 3—phase (delta or wye)
● All Models provide a full range of data measurements
● Models with the output configurations & protocol to meet your needs
● Modbus, BACnet & LON (coming soon)
● Uses low-voltage CTs (1V or 1/3V)
● Eliminates safety hazard of current-output CTs
● Do not require shorting bars
● Separate 90-600V control power for maximum flexibility
● Use any measurement voltage or separate source, UPS, etc.
● Operating Temperature -30°C to 70°C
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Standard Measurements – all Models
● Energy Consumption
● Accumulated totals of all phases for real, reactive and apparent energy
● Real Energy totals for each phase
● Average Power Demand
● Real, reactive and apparent
● Selectable interval length or sync interval to external controller
● Single interval or rolling block average
● Records maximum real, reactive and apparent demand – can be reset when desired
● Instantaneous measurements
● Power
●Real, reactive and apparent
●Sum of phases and by phase
● Voltage - Average of phases and by phase
● Current - Sum of all phases and by phase
● Power factor - Average of all phases and by phase
● Frequency
● Alarms to simply installation and provide problem notification
● Phase loss
● Voltage, current or frequency out of range
● Low power factor
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Output/Protocol Configurations
● Pulse output (EM3502)
● Pulse outputs of real and reactive energy consumption
● Real-time alarm output
● All other measurements are available on the built-in display
● Modbus output (EM355x)
● 2-wire RS-485 serial communication with Modbus RTU protocol
● 1200 baud to 38,400 baud
● Also has Pulse Outputs for real energy consumption and real-time alarms
● BACnet output (EM3560)
● 2-wire RS-485 serial comm with BACnet MS/TP protocol
● 9600 baud to 115,200 baud
● Also has two Pulse Inputs to accommodate sensors measuring other forms of energy
● LON (EM3570 – coming soon)
● Bi-direction model with on board data logging
● 2-wire LON FT10 serial communication with LONworks protocol
● Supports the new LONmark SmartEnergy2 utility meter profile
● Includes Lonworks Plug-in for remote configuration, measurement overview & logging
data access
● Also has two Pulse Inputs to accommodate sensors measuring other forms of energy
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Native Data Logging Functionality Available
●Built-in data logging (EM3555, EM3560)
● For jobs that specify log data be stored locally on product
● Retrieve data lost when network or controllers are down
● Log up to 3 32-bit measurement variables with full timestamp
● Log up to 10 16-bit measurement variables (EM3555 Modbus model only)
● Select the measurement variables you want to log
● Select the timing intervals you want
● Log up to 5760 records (up to 45 days at 15-minute intervals)
● Wrap or stop when memory fills
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EM3500SERIES ACCESSORIES
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EM3500 Series Accessories
● Low-Voltage (0-1/3 V) Split-Core CTs
Part Number Current
LVCT00102 100 A
LVCT00202 200 A
LVCT00302 300 A
LVCT00403 400 A
LVCT00603 600 A
LVCT00803 800 A
LVCT00804 800 A
LVCT01004 1000 A
LVCT01204 1200 A
LVCT01604 1600 A
LVCT02004 2000 A
LVCT02404 2400 A
Frequency
50 / 60 Hz
50 / 60 Hz
50 / 60 Hz
50 / 60 Hz
50 / 60 Hz
50 / 60 Hz
50 / 60 Hz
50 / 60 Hz
50 / 60 Hz
50 / 60 Hz
50 / 60 Hz
50 / 60 Hz
0.34 kg
0.34 kg
0.34 kg
0.58 kg
0.58 kg
0.58 kg
0.87 kg
0.87 kg
0.87 kg
0.87 kg
0.87 kg
0.87 kg
Weight
Solid-Core LVCTs Coming in 2012
• 50A
• 100A
• 200A
• 400A
• 800A
● 1V CTs are supported as well, but default setting is 1/3V
● Fuse Packs – EMFP1, EMFP2, EMFP3
● NEMA 4 housing
● Lock & Keys for NEMA 4 housing (requires user installation)
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EM3555 BI-DIRECTIONAL
ENERGY METER
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EM3555 Bi-directional Energy Meter
● All the benefits of EM3500 family
● All EM3500 family common measurements
● Additionally measures both energy delivered and energy
received
● Full four-quadrant measurement of Reactive Energy
● Modbus models additionally support Sun-Spec-compliant
register blocks
● Common Sun-Spec 1.0 register block
● Meter model Sun-Spec 1.1 register block
● CSI approved
● Great for applications with solar, wind, local generation
sources
● Also used for applications utilizing re-generative braking
(elevators, etc.)
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Additional Bi-directional Data Measurements
●Accumulated Energy measurements
● Real Energy
●Net Real Energy (Import – Export)
●Real Energy Imported – by phase and total
●Real Energy Exported – by phase and total
● Reactive Energy
●Net Reactive Energy (Import – Export)
●Quadrant 1 Reactive Energy (Lagging Imported - Inductive) – by phase and total
●Quadrant 2 Reactive Energy (Leading Exported - Capacitive) – by phase and total
●Quadrant 3 Reactive Energy (Lagging Exported - Capacitive) – by phase and total
●Quadrant 4 Reactive Energy (Leading Imported - Inductive) – by phase and total
● Apparent Energy
●Net Apparent Energy (Import – Export)
●Apparent Energy Imported – by phase and total
●Apparent Energy Exported – by phase and total
●Maximum Demand (average power over Demand interval)
●Total Imported Real Power Maximum Demand
●Total Imported Reactive Power Maximum Demand
●Total Imported Apparent Power Maximum Demand
●Total Exported Reactive Power Maximum Demand
●Total Exported Real Power Maximum Demand
●Total Exported Apparent Power Maximum Demand
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EM3560 BACNET ENERGY METER
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EM3560 – Native BACnet MS/TP
Has measurement capability comparable to
EM3550 (with logging added)
Key Differentiators from other BACnet meters:
● Native BACnet MS/TP protocol
● 115.2 kbaud serial communications
● Pulse Inputs for other Energy sensors
● Native Trend_Log objects (data logging)
● Local LCD Display & User Interface
What customer benefits do these provide?
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Native BACnet MS/TP protocol
• Native - built into the meter – does not require a separate
gateway and power supply
• BACnet MS/TP – as compared to BACnet IP – most
meters that support BACnet only support BACnet IP
● Most customers WANT BACnet MS/TP rather than BACnet IP
– Adding a device with BACnet IP requires a separate network drop
on a particular subnet and a dedicated IP address – the installer
must request these from the customer’s IT group
– Adding a device with BACnet MS/TP can be done easily by the
installer using a shielded twisted pair that they can run themselves
● To get BACnet IP support, simply add a BACnet router to one or
more EM3560 Meters
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115.2 kbaud Serial Comm
● A commonly requested feature on other BACnet
products is faster baud rate support
● A serial (MS/TP) link with multiple devices can only
operate as fast as the slowest device
● Many BACnet system builders prefer to operate
their serial links at 76.8 kbaud
● The EM3560 supports this and also adds 115.2
kbaud
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Pulse Inputs for other Energy
sensors
● The Modbus protocol is heavily used by Energy Management systems.
● Pulse outputs on Modbus EM355x models let BAS/BMS systems access
Energy Consumption while the Energy Management system utilizes the
full data set of a meter.
● Since BACnet is primarily used by BAS/BMS systems, the need for
additional output is not common.
● BAS/BMS systems that monitor energy consumption want to see all
forms energy consumption
● Electrical
● Natural Gas
● Hot Water
● Chilled Water
● Steam
● The EM3560 provides 2 pulse inputs with accumulators (energy
counters) that can be connected to simple flow sensors with pulse
outputs, and make their accumulated energy readings available via
BACnet.
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Native Data Logging
●Some system designs specify local storage of measurement history
on device
●Can be recovered later if local controller or communication link fails
●Customers can always set up external Trend Logs on local
controllers, but they only store when the local controllers and
communication link are operating
●EM3560 has three native Trend log objects
● Each stores up to 5760 time-stamped records (60 days at 15 min intervals)
● Log interval is tied internally to demand interval
● Each object can be pointed to any of the 52 Data values
● Timestamps do rely on our real-time clock, which does not have a battery
backup
●Software must generate a BACnet Time_Synchronization event when EM3560 power is
restored
●An alarm bit (Binary_Object) is provided to indicate if this is needed
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LCD Display & User Interface
●Simplifies setup & commissioning
●Enter or view the Device ID directly
●Set up Comm parameters
●Many MS/TP products require a PC, special cables,
custom software, etc.
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EM3560
BACnet
Energy Meter
Programming
Model
Object_Identifier
x,xxx,xxx
Object_Type
Object_Name
Vendor_Name
Vendor_Identifier
Model_Name
Firmware_Revision
Application_Software_ Version
Location
Description
Protocol_Version
Protocol_Revsion
Local_Date
Local_Time
Segmentation_Supported
Max_Master
Max_Info_Frames
Max_APDU_Length_Accepted
APDU_Timeout
Number_of_APDU_Retries
System_Status
Protocol_Sevices_Supported
Protocol_Object_Types_ Supported
Device
Veris E50 Series Energy Meter - S/N: <serial number>
Veris Industries, LLC
133
EM3560 Energy Meter
“xyyy”.
“RS= xyyy, OS=xyyy, BACnet Gateway=xyyy”
<Location>
Veris EM3560 DIN-Rail Energy Meter S/N <serial number>
1
4
Date
Time
NO_SEGMENTATION (3)
1-127 (Factory Default is 127)
1
480
60000
0
Operational (0)
0b0000000000001011010000000000000011110000
0b1011000010000000000010000000000
Object_List
DE1,AI1,AI2,AI3,AI4,AI5,AI6,AI7,AI8,AI9,AI10,AI11,AI12,AI1
3,AI14,AI15,AI16,AI17,AI18,AI19,AI20,AI21,AI22,AI23,AI2
4,AI25,AI26,AI27,AI28,AI29,AI30,AI31,AI32,AI33,AI34,AI3
5,AI36,AI37,AI38,AI39,AI40,AI41,AI42,AI43,AI44,AI45,AI4
6,AI47,AI48,AI49,AI50,AI51,AI52,AV1,AV2,AV3,AV4,AV5,A
V6,AV7,AV8,AV9,AV10,AV11,BI1,BI2,BI3,BI4,BI5,BI6,BI7,B
I8,BI9,BI10,BI11,BI12,BI13,BI14,BI15,TR1,TR2,TR3
Device_Address_Binding
Database_Revsion
{}
0
(1) Device object:
(3) Trend_Log objects:
5760 Timestamped Log Records
TL3 - Total Real Power Present Demand
TL2 - Reactive Energy Consumption
TL1 - Real Energy Consumption
•
•
•
•
•
•
•
•
•
1-13-2011 1:00:00 - x.xxxxx kWh
1-13-2011 1:15:00 - x.xxxxx kWh
1-13-2011 1:30:00 - x.xxxxx kWh
1-13-2011 1:45:00 - x.xxxxx kWh
1-13-2011 2:00:00 - x.xxxxx kWh
1-13-2011 2:15:00- x.xxxxx kWh
…
…
2-22-2011 7:15:00 - x.xxxxx kWh
(11) Analog_Value objects:
(52) Analog_Input objects:
(15) Binary_Input objects:
Writable 32-bit Present_Value
Used for Configuring the meter
Read-only 32-bit Present_Value
Used for Accessing data values
Read-only 1-bit Present_Value
Used for Alarms
AV1
AV2
• Object ID
Config
• Object
Name
System_Type
CT_Ratio_Primary
• Description
CT_Ratio_Secondary
• Present_Value
PT_Ratio
• UnitsSystem_Voltage
Display_Units
Phase_Loss_Voltage_Threshold
• Reliability
AV11
BI1
BI2
AI1
AI2
Phase_Loss_Imbalance_Threshold
Subintervals
Subinterval_Length
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• Object
ID Volts_BC
Energy
Volts_AC
KW_Total
• Object
Name
KVAR_Total Volts_AN
Volts_BN
KVA_Total
• Description
Volts_CN
PF_Total
Volts_LL_Avg Current_A
• Present_Value
Volts_LN_Avg Current_B
Current_C
• UnitsCurrent_Avg
Reserved_
KW_A
AI24
KW_B
• Reliability
Frequency
KW_C
AI52
PF_A
PF_B
PF_C
Volts_AB
KVA_C
KVAR_A
KVAR_B
KVAR_C
KW_Present_Demand
KVAR_Present_Demand
KVA_Present_Demand
KW_Max_Demand
KVAR_Max_Demand
KVA_Max_Demand
• Object
ID
Volts_Error_A
Volts_Error_B
• Object
Name
Volts_Error_C
Current_Error_A
• Description
Current_Error_A
Current_Error_A
• Present_Value
Frequency_Error
Reserved_BI8
• Reliability
Phase_Loss_A
Phase_Loss_B
Phase_Loss_C
Power_Factor_A
Power_Factor_B
Power_Factor_C
RTC_Error
Pulse_Count_1
KVAh
kVARh
KVA_A
Pulse_Count_2
KVA_B
KWH_C
KWH_A
KWH_B
BI15
18
EM3500
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