EM-1000/-2000/-3000/-4000 Series Multifunction Power and Energy Meters
EM-1000 Series Meter Description
The EM-1000 Series monitor is an affordable multifunction power
meter designed to be used in electrical substations, panel boards
and as a power meter for OEM equipment. The unit provides
multifunction measurement of all electrical parameters. It is easy to
use and install and is perfect both for new metering applications and
as a simple replacement of existing analog meters.
The EM-1000 Series meter is designed with advanced measurement
capabilities, allowing it to achieve high performance accuracy. The
EM-1000 Series meter is specified as a 0.5% class energy meter,
meeting ANSI C12.20 (0.5%) and IEC 62053-22 (0.5%) accuracy
classes.
The EM-1000 Series meter supplies multifunction measurement
including voltage, current, power, frequency, energy, etc. For serial
communication, the EM-1000 Series meter has a combination
RS485/Pulse Com port.
The EM-1000 Series meter has an LED with 3 .56”, bright red lines
of display for easy readability.It features an anti-dither algorithm to
improve reading stability, benefitting operators. The unit utilizes high
speed DSP technology with high resolution A/D conversion to
provide stable and reliable measurements.
EM-1000 Series Meter Features
• 0.5% Class Accuracy
• Measurements Including Voltage, Current, Power, Frequency,
Energy, Etc.
• Standard RS485 with Modbus
• Large Bright Red LED Display
• % of Load Bar for Analog Meter Perception
• Fits Both ANSI and DIN Cut-outs
• Great For Retrofit and New Applications
• Uses Minimal Panel Space and Depth
• Easy-to-Use Faceplate Programming
• Phasor Diagram Showing Wiring Status
• Display Auto-Scroll Feature
• Color Coordinated Voltage and Current Inputs
®
Protocol*
Applications
• Commercial Metering
• Industrial Metering
• Power Generation
• Campus Metering
• Sub-metering
• Indication Meter Replacement
Available Models
The EM-1000 Series meter can be ordered in any of the following
models:
The EM-1000 Series meter is ruggedly designed for harsh electrical
applications in both high voltage and low voltage power systems. This
is especially important in Power Generation, Utility Substation and
Critical User applications. The structural and electrical design of this
meter was developed based on the recommendations and approval of
many of our utility customers.
High Isolation Universal Voltage Inputs
Voltage inputs allow measurement of up to 416 Volts Line to Neutral
and 721 Volts Line to Line. This insures proper meter safety when
wiring directly to high voltage systems. One unit will perform to
specification on 69 Volt, 120 Volt, 230 Volt, 277 Volt and 347 Volt power
systems.
Short Circuit Safe Current Inputs
Current inputs use a unique dual input method:
• Method One – CT Lead Pass Through. The CT Lead passes directly
through the meter without any physical termination on the meter. This
insures that the meter cannot be a point of failure on the CT circuit.
This is preferable to utility users when sharing relay class CTs. No
Burden is added to the secondary CT circuit.
• Method Two – Current “Gills.” This unit additionally provides ultra rugged termination pass-through bars, allowing the CT leads to be
terminated on the meter. The EM-1000 Series meter’s stud-based
design insures that your CTs will not open in a fault condition.
ANSI and DIN Installation
The unit mounts directly in an ANSI C39.1 (4" round form) or an IEC 92
mm DIN square form. This is perfect for new installations and for
existing panels. In new installations, simply use DIN or ANSI punches.
For existing panels, pull out old analog meters and replace them with
the EM-1000 Series meter. The meter uses standard voltage and
current inputs so that CT and PT wiring does not need to be replaced.
• Perfect for switchgear panel direct retrofit
• Uses minimal panel space
• Mounts in only 4.25" panel depth
®
* Modbus® is a registered trademark of Schneider Electric, licensed to the
Modbus Organization, Inc.
EM-1000 Series Meter
www.johnsoncontrols.com
1
EM-1000/-2000/-3000/-4000 Series Multifunction Power and Energy Meters (Continued)
Technical Specifications
EM-1000 Series Meter
Voltage Inputs20-416 Volts Line to Neutral, 20-721 Volts Line to Line
Current InputsClass 10: (0 to 10)A, 5 Amp Nominal, 10 Amp Maximum
IsolationAll Inputs and Outputs are Galvanically Isolated to 2500 Volts AC
Environmental RatingStorage: (-20 to +70)° C
Sensing MethodRMS
Update RateAll Parameters up to Every 60 Cycles
Power Supply(90 to 265) Volts AC
Communication FormatRS485 Port (Through Backplate)
KYZ PulseTyp e F or m A
Dimensions and Shipping Weight: 2 lbs/0.907 kg
ComplianceIEC62053-22 (0.5% Accuracy)
Universal Voltage Input
Input Withstand Capability – Meets IEEE C37.90.1 (Surge Withstand Capability)
Programmable Voltage Range to Any PT Ratio
Supports: 3 Element WYE, 2.5 Element WYE, 2 Element Delta, 4 Wire Delta Systems
Burden: 0.014VA/Phase at 120 Volts
Input Wire Gauge Max (AWG 12 / 2.5mm2)
Fault Current Withstand (For 23° C, 3 Phase Balanced WYE or Delta load): 100 Amps for 10
Seconds, 300 Amps for 3 Seconds, 500 Amps for 1 Second
Programmable Current to any CT Ratio
Burden 0.005VA Per Phase Max at 11 Amps
Pickup Current 0.1% of Nominal
Pass Through Wire Gauge Dimension: 0.177" / 4.5mm
Continuous Current Withstand: 20 Amps for Screw Terminated or Pass Through Current
Connections
Operating: (-20 to +70)° C
Humidity: to 95% RH Non-Condensing
Faceplate Rating: NEMA12 (Water Resistant)
Sampling at 400+ Samples per Cycle on All Channels Measured Readings Simultaneously
Com Port Baud Rate: (9,600 to 57,600)
Com Port Address: 0-247
8 Bit, No Parity
RTU, ASCII
Modbus
On Resistance: 23-35 Ohm
Peak Voltage: 350 VDC
Continuous Load Current: 120mA
Peak Load Current: 350mA (10ms)
Off State Leakage Current @ 350VDC: 1mA
Basic Unit: (H4.85 x W4.85 x L4.25) in/(H12.32 x W12.32 x D10.54) cm
Mounts in Either 92mm Square DIN or ANSI C39.1 4" Round Cut-outs
Shipping Container Dimensions: 6" Cube
ANSI C12.20 (0.5% Accuracy)
ANSI (IEEE) C37.90.1 Surge Withstand
ANSI C62.41 (Burst)
EN61000-6-2 - Immunity for Industrial Environments: 2005
EN61000-6-4 - Emission Standards for Industrial Environments: 2007
EN61326-1 - EMC Requirements: 2006
UL File #E363785
UL Spec: 61010-1
EM-1000/-2000/-3000/-4000 Series Multifunction Power and Energy Meters (Continued)
EM-1000 Series Meter Accuracy - For 23o C, 3 Phase Balanced Wye or Delta Load
ParameterAccuracyAccuracy Input Range
Voltage L-N [V] 0.2% of reading
Voltage L-L [V] 0.4% of reading(120 to 600)V
Current Phase
[A]
Current Neutral
(calculated) [A]
Active Power
Tot al [ W]
Active Energy
Tot al [ Wh ]
Reactive Power
Total [VAR]
Reactive Energy
Total [VARh
Apparent Power
Tot al [ VA]
Apparent
Energy Total
[VAh]
Power Factor1.0% of reading
Frequency+/- 0.01Hz(45 to 65)Hz
Load Bar+/- 1 segment
0.2% of reading
2.0% of Full Scale
0.5% of reading
0.5% of reading
1.0% of reading
1.0% of reading
]
1.0% of reading
1.0% of reading
2
1
1
1,2
1,2
1,2
1,2
1,2
1,2
1,2
1
(69 to 480)V
(0.15 to 5)A
(0.15 to 5)A @ (45 to 65)Hz
(0.15 to 5)A @ (69 to 480)V @ +/- (0.5 to 1)
lag/lead PF
(0.15 to 5)A @ (69 to 480)V @ +/- (0.5 to 1)
lag/lead PF
(0.15 to 5)A @ (69 to 480)V @ +/- (0 to 0.8)
lag/lead PF
(0.15 to 5)A @ (69 to 480)V @ +/- (0 to 0.8)
lag/lead PF
(0.15 to 5)A @ (69 to 480)V @ +/- (0.5 to 1)
lag/lead PF
(0.15 to 5)A @ (69 to 480)V @ +/- (0.5 to 1)
lag/lead PF
(0.15 to 5)A @ (69 to 480)V @ +/- (0.5 to 1)
lag/lead PF
(0.005 to 6)A
1
For 2.5 element programmed units,
degrade accuracy by an additional 0.5%
of reading.
2
For unbalanced voltage inputs where at
least one crosses the 150V auto-scale
threshold (for example, 120V/120V/208V
system), degrade accuracy by additional
0.4%.
The EM-1000 Series meter’s accuracy
meets the IEC62053-22 Accuracy
Standards for 0.5% Class meters.
EM-1000/-2000/-3000/-4000 Series Multifunction Power and Energy Meters (Continued)
EM-2000 Series Meter Description
The EM-2000 Series monitor is a revenue grade power meter with
native BACnet/IP protocol. This meter is designed to integrate
seamlessly into existing and new building management systems
using the popular BACnet
data on voltage, current, power and energy usage throughout a
facility.
The EM-2000 Series meter’s metrology is industry recognized as
superior, providing revenue testable 0.2% Energy accuracy with
compliance to modern ANSI and IEC standards (ANSI C12.20
(0.2%) and IEC 62053-22 (0.2%) accuracy classes). The unit utilizes
advanced DSP technology, high sampling rates and 24-bit analog to
digital conversion to measure and analyze power accurately and
reliably.
The EM-2000 Series meter was designed to be the perfect device for
“Green” initiatives, LEED certified projects, smart buildings and all
kinds of smart energy projects. It has embedded RJ45 10/100BaseT
Ethernet communication that supplies an embedded Web server,
that lets you view energy usage through any standard browser. By
letting you track energy use and power quality from wherever you
are, the meter gives you the information you need to accurately
identify cost-saving measures and respond to power quality
problems when they arise.
EM-2000 Series Meter Features
• Multifunction Measurements of AC Voltage, Current, Frequency,
Power and Energy
• Industry Recognized Superior 0.2% Energy Class Accuracy
• BACnet/IP 100BaseT Ethernet Protocol
• Highly Reliable Industrial Rated Design
• Utility Block and Rolling Average Demand
• Adjustable Demand Profiles
• Max and Min Available on Most Other Parameters
• Voltage Provides Instantaneous Max and Min for Surge and Sag
Limits
Applications
• LEED Projects
• Smart Buildings
• Commercial Energy Management
• HVAC Efficiency Monitoring
• Building Management Systems
EM-2000 Series Meter’s BACnet/IP Through the
Web
The EM-2000 Series meter’s BACnet/IP comes standard with a Web
interface. Use the BACnet/IP
BACnet/IP
with any standard Web browser. You do not need to be on-site - you
can check on your buildings from anywhere in the world! There is
also a Modbus
Modbus
configuration and track energy usage through the Internet
TCP Socket that can be used to simultaneously poll
TCP through the same device.
Traceable Watt-Hour Test Pulse for Accuracy
Verification
The EM-2000 Series meter is a traceable revenue meter. It contains
a utility grade test pulse allowing power providers to verify and
confirm that the meter is performing to its rated accuracy. This is an
essential feature required of all billing grade meters.
The EM-2000 Series meter is ruggedly designed for harsh electrical
applications in both high voltage and low voltage power systems. This
is especially important in Power Generation, Utility Substation and
Critical User applications. The structural and electrical design of this
meter was developed based on the recommendations and approval of
many of our utility customers.
High Isolation Universal Voltage Inputs
Voltage inputs allow measurement of up to 416 Volts Line to Neutral
and 721 Volts Line to Line. This insures proper meter safety when
wiring directly to high voltage systems. One unit will perform to
specification on 69 Volt, 120 Volt, 230 Volt, 277 Volt and 347 Volt power
systems.
Short Circuit Safe Current Inputs
Current inputs use a unique dual input method:
• Method One – CT Lead Pass Through. The CT Lead passes directly
through the meter without any physical termination on the meter. This
insures that the meter cannot be a point of failure on the CT circuit.
This is preferable to utility users when sharing relay class CTs. No
Burden is added to the secondary CT circuit.
• Method Two – Current “Gills.” This unit additionally provides ultra rugged termination pass-through bars, allowing the CT leads to be
terminated on the meter. The EM-2000 Series meter’s stud-based
design insures that your CTs will not open in a fault condition.
IrDA Port
The EM-2000 Series meter has an IrDA port on its faceplate, for remote
interrogation by an IrDA-equipped laptop PC.
ANSI and DIN Installation
The unit mounts directly in an ANSI C39.1 (4" round form) or an IEC 92
mm DIN square form. This is perfect for new installations and for
existing panels. In new installations, simply use DIN or ANSI punches.
For existing panels, pull out old analog meters and replace them with
the EM-2000 Series meter. The meter uses standard voltage and
current inputs so that CT and PT wiring does not need to be replaced.
• Perfect for switchgear panel direct retrofit
• Uses minimal panel space
• Mounts in only 4.25" panel depth
www.johnsoncontrols.com
4
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