Solid-state equipment has operational
characteristics differing from those of
electromechanical equipment. Safety Guidelines
for the Application, Installation, and
Maintenance of Solid-state Controllers
(Publication SGI-1.1) describes some important
differences between solid-state equipment and
hard-wired electromechanical devices. Because
of this difference, and also because of the wide
variety of uses for solid-state equipment, all
persons responsible for applying this equipment
must satisfy themselves that each intended
application of this equipment is acceptable.
In no event will Rockwell Automation be
responsible for indirect or consequential
damages resulting from the use or application of
this equipment.
The examples and diagrams in this manual are
included soely for illustrative purposes. Because
of the many variables and requirements
associated with any particular installation, the
Rockwell Automation cannot assume
responsibility or liability for actual use based on
the examples and diagrams.
No patent liability is assumed by the Rockwell
Automation with respect to use o f information,
circuits, equipment, or software descr ibe d i n t his
manual. Reproduction of the contants of this
manual, in whole or in part, without written
permission of Rockwell Automation, is
prohibited.
Throughout this manual we use notes to make
you aware of safety considerations:
ATTENTION: Identifies
information about practices or
!
Attention statements help you to:
• identify a hazard
• avoid the hazard
• recognize the consequences.
Important:Identifies information that is critical
circumstances that can lead ot
personal injury or death, prop er ty
damage or economic loss.
for successful application and
understanding of the product.
Review the table below to familiarize yourself with
the topics contained in this instruction sheet.
For information about:Refer to
chapter:
Product Features and System
Applications
Installing the Master Module
Installing the Display Module
Wiring and Transformer
Selection
Maintenance
Modes of Operation
Display Module
Configuration Information
Configuration Information
Catalog Number Explanation
Mechanical Dimensions
Technical Specifications
Glossary
Index
1
2
2
2
3
4
Appendix A
Appendix B
Appendix C
Appendix D
Index
For More Information on Additional
Power Quality Products
Association
PLCProgrammable Logic Controller
PTPotential Transformer
(Also known as VT in some
countries)
RAMRandom Access Memory
RFIRadio Frequency Interference
R I/ORemote Input/Output
RMSRoot-mean-square
ROMRead-onl y Mem ory
SLCSmall Logic Controller
SPDTSingle Pole Double Throw
ULUnderwriters Laboratories
VAVolt-ampere
VARVolt-ampere Reactive
Battery: In this manual, the term battery refers to the
lithium cell contained in the Master Module.
1403-IN001A-US-P
Chapter
1
Product Description
Chapter Objectives
After completing this chapter, you should be able to
identify the prod uct features and system applications.
Introduction
The Bulletin 1403, Powermonitor II, is uniquely
designed and developed to meet the needs of
producers and consumers of electric power. The
Powermonitor II is a microprocessor based
monitoring and control device well suited for a
variety of applicat ions. Use of voltage, curr ent, status
inputs, and relay connections allows the
Powermonitor II to provide monitoring and control
information . This data is u seful in substation and
distribution centers, electrical control panels, and
many utility, commercial, and industrial applications
including mo tor control centers. The Powermonitor
II is a sophisticated modern alternative to traditional
electro-mechanical metering devices. One
Powermonitor II can replace many individual
transducers and meters within a single package. The
Powermonitor II is operato r friendly and provides the
user with easy to understand, accurate information in
a compact economical package.
A second op tional feature allows for remote
communications through the use of a Smart
Communications Card co-located with the Master
Module. Both the Display Module and the Smart
Communications Card are microprocessor based
providing better resolution, accuracy, and speed to
the Bulletin 1403 Master Module. The bulletin 1403
Powermonitor II and the Communication Cards are
Year 2000 compliant.
Performance Features
The Powermonitor II performance features include:
Vo ltage , cur rent, p ower me asure ments and dis pla y
measurements and events
Harmonic Analysis (1403-MM only)
•
Simultaneou s multi-channel oscillogr aph
•
recordings (1403-MM only)
General Description
The Bulletin 1403 Display Module, an optional
input/ output device, can be used to set up and
configure the Bulletin 1403 Master Module for
operation. This is accomplished through the Display
Module’s front panel which includes four tactile
operator buttons and a liquid crystal display. All
communications between the Display Module and
Master Module are conducte d over a serial fiber optic
link. (The Display Module is easily mounted into a
typical instrument panel analog meter cutout.)
Device Configuration
The Powermonitor II comes from the factory with
default settings but can be configured for local sitespecific requirements. This is accomplished using the
Display Module or one of the Communications Cards
which allow operation and configuration parameters
to be sent to the Master Module.
In conjunction with the Communications Cards, a
personal computer running RSPower™ or
RSEnergy™ software can be sent to the Master
Module.
1403-IN001A-US-P
1-2Product Description
Quick Start - Minimum Device Configuration
At a minimum, the following steps MUST be
followed for proper operation of your Powermonitor
II. Any other device configuration options are only
required fo r operation of additional functions of the
Powermonitor II.
1. Configure the PT and CT ratios to match your
system. Remember, for systems with greater than
120 volts applied to the voltage inputs, the PT
secondary must be configured to greater than 137
volts to switch to high voltage mode. For
example: a 600 V
L-L
(347 V
) direct-connect
L-N
system is configured with a PT ratio of 347:347.
2. Configure the Voltage Mode to match your syste m
wiring. Use the wiring diagrams in Chapter 2,
Figure 2.2 through Figure 2.13 to select the
appropriate mode.
Measurements
Table 1.1 Real Time Metering Measurements
Distortion PF (total, and per phase on 4-wire systems)
Power Consumption in kW Hours (forward, reverse, and net)
Reactive Po wer Consumption in kVAR Hours (forward, rev erse ,
and net)
Demand (Amps, Watts, VAR, and VA)
Instantaneous Demand (Amps, Watts, VAR, and VA)
First Order Projected Demand (Amps, Watts, VAR, and VA)
Second Order Projected Demand (Amps, Watts, VAR, and VA)
Table 1.2 Real Time Harmonic Analysis (V1, V2, V3, I1, I2, I3,
and neutral)
Percent Distortion up to 41st Harmonic (1403-MM only)
IEEE Percent Total Harmonic Distortion
IEC Percent Total Harmonic Distortion (Distortion Index)
The Powermonitor II provides numerous display
measurements and programming charact er is ti cs.
Table 1.1 Real Time Metering Measurements
Current in Amps (per phase and neutral)
Average Current in Amps
Positive Sequence Current in Amps
Negative Sequence Current in Amps
Percent Current Unbalance
Voltage in Volts (per phase L-L, and L-N on 4-wire systems)
Average Voltage in Volts (per phase L-L, and L-N on 4-wire
systems)
VAUX (auxiliary voltage input)
Positive Sequence Volts in Volts
Negative Sequence Volts in Volts
Percent Voltage Unbalance
Frequency in Hz
Phase Rotation (ABC, ACB)
Watts (total, and per phase on 4-wire systems)
VAR (total, and per phase on 4-wire systems)
VA (total, and per phase on 4-wire systems)
True PF (total, and per phase on 4-wire systems)
Displacement PF (total, and per phase on 4-wire systems)
Displays
The Powermonitor II Master Module communicates
to the Display Module over a fiber optic serial
communications link. Up to three Display Modules
can connect to one Master Module.
Figure 1.1 Display Module
1403-IN001A-US-P
Product Description1-3
Communications
Both versions of the Powermonitor II can use the
1403-NSC Smart Communications Card for
communications via Allen-Bradley Remote I/O, RS232 or RS-485, the 1403-NENET card for
communications via Ethernet, or the 1403-NDNET
card for communications via DeviceNet. Refer to
Publication 1403-5.1 Smart Communications Card
Instruction Sheet, Publication 1403-5.3 Ethernet
Communications Card Instruction Sheet, or Publication 1403-5.4 DeviceNet Communication
Card Instruction Sheet for additional information.
Software and System Integration
An IBM PC, or compatible, host computer may
communicate with the Powermonit or II via RS-232C,
RS-485, R I/O, DeviceNet, or Ethernet using:
RSPower
•
RSView
•
RSEnergy
•
RSLinx
•
User generated software (using open protocol -
•
see Publication 1403-5.1, Smart Communications
Card Instruction Sheet)
User generated software (using open protocol -
•
see Publication 1403-5.3, Ethernet
Communications Card Instruction Sheet)
RS-232C/RS-485 may be used to support up to 124
Powermonitor IIs per sub net, 250 per network.
PLC Configuration
Setup/Monitoring Software
The Windows-based RSPower and RSEnergy
software packages are currently available from
Rockwell Software for configuring, monitoring, and
control of the Powermonitor II units. This software
package is designed t o b e i nte gr ate d wi th RSVi ew or
function as a stand alone package. It is capable of
graphically displaying a system and its components
and providing real time data and graphics on the
same screen. Real time data can be displayed in
digital or analog presentation using preconfigured
gauges. Spectral analysis, oscillograph recordings,
logging, and trending are also easily configured.
When either software is used in conjunction with
RSView, data can be ente red into the tag database
editor. Configuration and real time data can be
downloaded and retrieved from any Bulletin 1400/
1403 Powermonitor on the system.
Note:Spectral analysis and oscillog raph recordings
are only available through the 1403-MM
only.
Control Relays
The Powermonitor II provi de s t wo hi gh s peed SPDT
control relays which may function as:
Alarm relays
•
Setpoint relays
•
Remote control relays operated by command via
•
the communications port or Display Module.
Relays controlled by user-defined conditions
•
• kWH or kVARH pulse outputs
• Relay operations may be logged to a PC printer
output using a software package.
Certain circumstances may require a number of
Powermonitor IIs to provide feedback while
monitoring and control li ng a fa cility. To manage this
effectively, Allen-Bradley PLC processor
communication ports can be integrated to
communicate and respond to the gathered
information.
Status Inputs
The Powermonitor II has four self-powered status
inputs. These inputs c an b e used to sense and control
the state of an external contact. Each of the status
inputs has a counter associated with it. The status of
these inputs can be viewe d from the Powe rmonit or II
Display Module. They may also be viewed and
logged from RSPower or RSEnergy software or user
generated software.
1403-IN001A-US-P
1-4Product Description
Data Logging
The Powermonitor II provides three data logs: the
Event log, the Min/Max log, and the Snapshot log.
Each record of the three logs is date and time
stamped to the nearest hundredth of a second.
Event Log
The Event log consists of the 100 most recent events
that occurred in the Powermonitor II. Such events
consist of power up/ power d own, set point acti vation ,
new configuration data, etc.
Min/Max Log
The Min/Max log records the minimum and
maximum values for 84 parameters for the 1403-MM
and 63 parameters for the 1403-LM. These items
consist of voltage, current, power, total harmonic
distortion, etc. This log can be disabled to increase
real time metering update rate performance.
Both types of oscillography can be triggered
manually or as the result of a setpoint. All channels
are continuously sampled at a 10.8 kHz sample rate.
Operational Characteristics
1403-MM
The Powermonitor II MM module has selectable
accuracy (+/- 0.05% no minal) an d update r ates (28 to
90 ms) by changing various configuration
parameters. If update rates are critical, then a user
can select a modest filtering mode or disable
unnecessary features. However, if maximum
accuracy is a ne cessity fo r a specif ic applicat ion, then
the user can select an additional filtering mode. The
Powermonitor II allows a user to trade update speed
for accuracy.
1403-LM
Snapshot Log
The Snapshot log consis ts of 5 0 r ecords . Each re cord
consists of 46 parameters. These parameters include
voltage, current, power, power factor, etc. This log
can be updated on a periodic basis set by the
configuration data, and/or it can be updated
asynchronously as a result of a setpoint action.
Oscillography (1403-MM only)
The Powermonitor II provides two types of
oscillography:
(1)
• Simultaneous 7-channel 2-cycle
recording
• User configurable simultaneous 2-channel 12-
(2)
cycle
oscillograph rec ording wit h up to 8 cycles
of pretrigger data.
oscillograph
The Powermonitor II LM module has a fixed
accuracy (+/- 0.1 nominal) and a f ixe d upda te r at e of
90 ms.
(1) 2-cycle is specified at 50 Hz (2.4 cycles at 60 Hz). Therefore, more data will
be available at frequencies greater than 50 Hz, while less will be available at
frequencies less than 50 Hz.
1403-IN001A-US-P
(2) 12 cycles is specified at 50 Hz (14.4 cycles at 60 Hz). Therefore, more data
will be available at frequencies greater than 50 Hz, while less will be
available at frequencies less than 50 Hz.
Chapter
2
Installation
Prevent Electrostatic D ischarge
A TTENTION: Electrostatic
discharge can damage integrated
!
Mounting of Master Module
circuits or semicondu ctors i f you touch
backplane connector pins . Follow these
guidelines when you handle the
module.
•
Touch a grounded object to discharge static
potential.
•
Wear an approved wrist-strap grounding
device.
•
Do not touch the backplane connector or
connector pins.
•
Do not touch circuit components inside the
module.
•
If available, use a static-safe work station.
•
When not in use, keep the module in its
static-shield box.
free convection cooling of the Master Module’s
internal electronic components.
Important:Do not block ventilation holes of the
Master Module. All wiring and other
obstructions
The mounting hole pattern for the Master Module is
defined by the dimensional drawing in Figure B.2,
Appendix B. The Master Module can be mounted
with either four No. 10 or M5 bolts or screws with
flat washe rs and an internal lock washer or
equivalent.
Mounting of Display Module
Protective Enclos ure A suitable enclosure should be
used to protect the rear surfaces of the Display
Module from atmospheric contaminants such as oil,
moisture, dust and corrosive vapors plus other
harmful airborne substances. The Display Module’s
gasketed front panel interface to the protective
enclosure is rated as an IP65 degree of protection
[National Electrical Manufacturer’s Association
(NEMA)/Underwriters Laboratories (UL) 508, Type
4X (Indoor)] per International Standard IEC 529.
Protective Enclosur e A suitable enclosure should be
used to protect the Master Module from atmospheric
contaminan ts such as oil, mo isture, dust, and
corrosive vapors or other harmful airborne
substance s; if not, a reduced servi ce life can be
expected.
The enclosure should be mounted in a position that
allows the access doors to open fully. This will
provide easy access to the wiring of the Master
Module and related components. A suggested
method for spacing and wiring layout for the Master
Module is shown in Appendix B. Also, see Appendix
B for drilling template.
Installation and Orientation Normal installation
and orientation of the Master Module within its
protective enclosure is defined in Figure B.1,
Appendix B. This orientation will ensure adequate
Installation and Orientation The Display Module
can be oriented in any position. The most typical
orientation is shown in Figure B.1, Appendix B. The
Display Module is designed to fit into the protective
enclosure cutout with a minimum installation depth
of 50.8 mm (2.0 in.) behind the mounting panel as
shown in Figure B.2, Appendi x B. The recommended
Display Module mounting hole pattern and
dimensions are defined in Figure B.3, Appendix B.
Ensure that the gasket provided is not contaminated
with foreign matter and is installed in the Display
Module correctly. Install the Display Module into the
protective enclosure’s front panel using four M4 nut/
lockwasher assemblies as shown in Figure B.4,
Appendix B. Tighten the M4 nut/lockwasher
assemblies to 0.9 to 1.1 Nm (8 to 10 lb-in.)
Note:Eight flat washers are provided for retrofit
applications with larger hole sizes.
1403-IN001A-US-P
2-2Installation
ATTENTION: Failure to comply
with these mounting requirements
!
may cause damage to the Display
Module or compromise the IP65
[NEMA/UL 508, Type 4X (Indoor)]
degree of protection per International
Standard IEC 529.
Wiring of Master Module
Terminal Blocks Wire Sizes and Screw Torques
Observe all wire lug sizes and screw torques. Refer to
Appendix C, Specifications.
Chassis Grounding
Module to the wiring installation via a bonding
terminal. R efer to Technical Specifications,
Appendix C. This protective earthing terminal shall
have no other function per local codes (ground bond
largest measured co nductor size) . All grou nd wires
≥
should be kept as short as possible; 30cm (12 in.) or
less is sugg ested.
Electrically bond the Master
Figure 2.1 Bulletin 1403-XMXX
Cat. No. 1403-xMXXA
120/240 AC 50/60 HZ
125/250 DC
V1
V2
V3
N
Fiber
Rx
Fiber
Tx
I1+
I1-
I2+
Voltage
Inputs
Display
Module
Fiber
GRD
PM-II
Master
Module
Cat. No. 1403-xMXXB
24 AC 50/60 HZ
12/24 DC
S1
S2
Status
Inputs
S3
S4
Scom
L/+
Power
N/-
Ain
Analog
Input
Acom
L1
N/L2
Control Po we r
The power required by the Master Module is less
than 25VA to facilitate retrofit applications, but th e
terminal block connections accept up to #12 AWG
2
(4 mm
powered directly from a local branch circuit. It
should be fused per local code.
) wire with lugs. The Master Module can be
I2-
I3-
I3+
I4+
I4-
Current
Inputs
R14
R11
R12
R24
R21
R22
Relay
Outputs
Local Frame
Ground
Voltage and Current Inputs
Voltage Input and Potential Transformer (PT) Selection
All Bulletin 1403-xM Powermonitor II devices
handle direct connection for line to neutral voltages
of 120, 277, and 347 (line to line voltages of 208,
480, and 600V, respectively).
1403-IN001A-US-P
Installation2-3
Use instrument accura cy PTs when the vol tage level s
being measured exceed the vo ltage in put ratings . The
PT accuracy rating directly affects the system
accuracy. For maximum accuracy, the PT used must
provide linearity across the voltage range and must
introduce a minimal phase angle shift.
Note:Remember, for systes with greater than 120
volts applied to the voltage inputs, the PT
secondary must be confi gured to greate r than
137 volts to switch to high voltage mode.
Example: A 600 V
(347 V
L-L
) direct-
L-N
connect system would be configured with a
PT ratio of 347:347.
Current Inputs and Current Transformer (CT) Selection
The Powermonitor II is available in two models: a 5
Amp or 1 Amp model. Each current input to the
Powermonitor II is internally CT isolated to 5kV.
Each current input may b e connected di rectly into th e
power line as long as t he current s do not e xceed the 5
Amp or 1 Amp ratings.
Customer provided CTs are required where input is
higher than the device rating. The values for the
primary and secondary CT ratings must be
configured into the Powermonitor II in order to
properly scale the displayed readings.
The accuracy of the current input reading is
dependent on the CT class. An Instr ument Clas s 1 or
better is recommended. Ca re shou ld be take n that th e
combined load of wiring and the Powermonitor II
match closely to the VA rating of the CT for
maximum accuracy.
ATTENTION: A CT secondary
circuit must not be opened with
!
primary current applied. Wiring
between the CTs and the
Powermonitor II should include a
terminal block for shorting the CT
secondary circuit. Shorting the
secondary with primary current
present will allow other connections
to be removed if needed. An open CT
secondary with primary current
applied will produce a hazardous
voltage, which can lead to personal
injury, death, property damage or
economic loss.
1403-IN001A-US-P
2-4Installation
Figure 2.2 Single Phase Direct Connection Wiring Diagram
L1
L2N
Voltage mode = Single Phase
Fuse
Fuse
Customer Supplied CT
Shorting Switch or Test
Block
V1
V2
V3
N
Fiber
Rx
Fiber
Tx
I1+
Voltage
Inputs
Display
Module
Fiber
Powermonitor II
Master Module
Status
Inputs
Power
GRD
S1
S2
S3
S4
Scom
L/+
N/-
Load
Customer
Chassis
Ground
Note:
I1-
Analog
I2+
Input
I2-
Current
Inputs
I3+
I3-
Relay
Outputs
I4+
I4-
• Careful attention must be paid to correct
phasing and polarity for proper
operation.
• All ground wires should be taken
individually to Customer Chassis
Ground for a single point of grounding.
Ain
Acom
R14
R11
R12
R24
R21
R22
1403-IN001A-US-P
Figure 2.3 Single Phase with PTs Wiring Diagram
Installation2-5
L1
L2
N
Voltage Mode = Single Phase
Fuse
Fuse
Customer Supplied CT Shortin g
Switch or Test Block
V1
V2
V3
N
Fiber
Rx
Fiber
Tx
I1+
Voltage
Inputs
Display
Module
Powermonitor II
Master Module
Status
Inputs
Power
GRD
S1
S2
S3
S4
Scom
L/+
N/-
Load
Customer
Chassis
Ground
Note:
I1-
Ain
Analog
I2+
I2-
Current
Input
Acom
R14
Inputs
I3+
I3-
R11
R12
Relay
I4+
I4-
Output
R24
R21
R22
• Careful attention must be paid to correct
phasing and polarity for proper operation.
• All ground wires should be taken individually
to Customer Chanssis Ground for a single
point of grounding.
1403-IN001A-US-P
2-6Installation
Figure 2.4 3-phase 4-wire Wye Direct Connect Wiring
Diagram
L1
L2
LINE
L3
N
Customer Supplied CT
Shorting Switch or Test
Block
Voltage Mode = Wye
Fuse
Fuse
Fuse
V1
V2
V3
N
Fiber
Rx
Fiber
Tx
I1+
Voltage
Inputs
Display
Module
Fiber
Powermonitor II
Master Module
Status
Inputs
Power
GRD
S1
S2
S3
S4
Scom
L/+
Load
Customer
Chassis
Ground
Note:
I1-
Ain
Analog
I2+
I2-
Current
Input
Acom
R14
Inputs
I3+
I3-
R11
R12
Relay
I4+
I4-
Outputs
R24
R21
R22
• Careful att ention must be paid to correct phasing
and polarity for proper operation.
• All ground wires should be taken individually to
Customer Chassis Ground for a single point of
grounding.
1403-IN001A-US-P
Figure 2.5 3-phase 4-wire with PTs Wiring Diagram
Installation2-7
L1
L2
LINE
L3
Voltage Mode = Wye
N
Fuse
Fuse
Fuse
Customer Supplied CT
Shorting Switch or Tes t
V1
V2
V3
N
Fiber
Rx
Fiber
Tx
I1+
Voltage
Inputs
Display
Module
Powermonitor II
Master Module
Status
Inputs
GRD
S1
S2
S3
S4
Scom
L/+
N/-
Load
Customer
Chassis
Ground
Note:
I1-
Analog
I2+
I2-
Input
Acom
R14
Current
Inputs
I3+
I3-
R11
R12
Relay
I4+
I4-
Output
R24
R21
R22
• Careful attention must be paid to correct phasing
and polarity for prope r operation.
• All ground wires should be taken individually to
Customer Chassis Ground for a single point of
grounding.
Ain
1403-IN001A-US-P
2-8Installation
Figure 2.6 3-phase 3-wire Grounded Wye Direct Connection
Wiring Diagram
Voltage Mode = WyeLINE
L1
L2
L3
S1
Fuse
Fuse
Fuse
Customer Supplied CT Shorting Switch or Test
Block
V1
V2
V3
N
Fiber
Rx
Fiber
Tx
I1+
I1-
I2+
I2-
I3+
Voltage
Inputs
Display
Module
Fiber
Current
Inputs
Powermonitor II
Master Module
Status
Inputs
Power
GRD
Analog
Input
S2
S3
S4
Scom
L/+
N/-
Ain
Acom
R14
R11
Load
1403-IN001A-US-P
Customer
Chassis
Ground
Note:
I3-
Relay
R12
Output
I4+
I4-
R24
R21
R22
• Careful attention must be paid to correct phasing and
polarity for proper operation.
• All ground wires should be taken individually to
Customer Chassis Ground for a single point of
grounding.
Figure 2.7 3-phase 3-wire Grounded Wye with PTs Wiring
Diagram
Voltage Mode = Wye
LINE
L3
L2
L1
Fuse
Installation2-9
S1
Fuse
Fuse
Customer Supplied CT Shorting
Switch or Test Block
V1
V2
V3
N
Fiber
Rx
Fiber
Tx
I1+
I1±
I2+
I2±
I3+
Voltage
Inputs
Display
Module
Fiber
Current
Inputs
Powe rmonitor II
Master Module
Status
Inputs
Power
GRD
Analog
Input
S2
S3
S4
Scom
L/+
N/±
Ain
Acom
R14
R11
Load
Customer
Chassis
Ground
Note:
I3±
R12
Relay
I4+
I4±
Output
R24
R21
R22
• Careful attention must be paid to correct phasing and
polarity for proper operation.
• All ground wires should be taken individually to
Customer Chassis Ground for a single point of
grounding.
1403-IN001A-US-P
2-10Installation
Figure 2.8 3-phase 3-wire Delta with Three PTs and Three
CTs Wiring Diagram
L1
L2
LINE
L3
Fuse
Fuse
Fuse
Customer Supplied CT Shorting Switch or
Test Block
Voltage Mode = Delta
V1
V2
V3
N
Fiber
Rx
Fiber
Tx
I1+
Voltage
Inputs
Display
Module
Fiber
Powermonitor II
Master Module
Status
Inputs
Power
GRD
S1
S2
S3
S4
Scom
L/+
N/-
Load
Note:
I1-
Ain
Analog
I2+
I2-
Input
Acom
R14
Current
Inputs
I3+
I3-
R11
R12
Relay
I4+
I4-
Output
R24
R21
Customer
Chassis
R22
Ground
• Careful attention must be paid to correct phasing and polarity for
proper operation.
• All ground wires should be taken individually to Customer
Chassis Ground for a single point of grounding.
• The Two CT wiring diagrams in Figure 2.10 may be used for any
of the delta or open delta wiring or voltage modes shown.
Whether there are two or three CTs in a circuit does NOT affect
the voltage wiring or mode selection.
1403-IN001A-US-P
Figure 2.9 3-phase 3-wire Open Delta with Two PTs and
Three CTs Wiring Diagram
Installation2-11
L1
LINE
L2
L3
Fuse
Fuse
Customer Supplied CT Shorting
Switch or Test Block
Voltage Mode = Open Delta
V1
V2
V3
N
Fiber
Rx
Fiber
Tx
I1+
Voltage
Inputs
Display
Module
Fiber
Powermonitor II
Master Module
Status
Inputs
Power
GRD
S1
S2
S3
S4
Scom
L/+
N/-
Load
I1-
I2+
I2-
Current
Inputs
I3+
I3-
I4+
I4-
Customer
Chassis
Ground
• Careful attention must be paid to correct phasing and polarity for
Note:
proper opera t i o n .
• All ground wires shoul d be taken individually to Customer
Chassis Ground for a single point of grounding.
• The Two CT wiring diagrams in Figure 2.10 may be used for any
of the delta or open d elta wir ing or volta ge mode s shown . Whethe r
there are two or three CTs in a circuit does NOT affect the voltage
wiring or mode selection.
Analog
Input
Relay
Output
Ain
Acom
R14
R11
R12
R24
R21
R22
1403-IN001A-US-P
2-12Installation
Figure 2.10 3-phase 3-wire Open Delta with Two PTs and
Two CTs Wiring Diagram
LINE
L1
L2
L3
Voltage Mode = Open Delta
S1
Fuse
Fuse
Customer Supplied CT Shorting
Switch or Test Block
V1
V2
V3
N
Fiber
Rx
Fiber
Tx
I1+
I1-
I2+
I2-
Voltage
Inputs
Display
Module
Fiber
Current
Inputs
Powe rmonitor II
Master Module
Status
Inputs
Power
GRD
Analog
Input
S2
S3
S4
Scom
L/+
N/-
Ain
Acom
R14
Load
1403-IN001A-US-P
Note:
I3+
I3-
R11
R12
Relay
Output
R24
R21
Customer
I4+
I4-
Chassis
Ground
R22
• Careful attention must be paid to correct phasing and polarity for
proper operation.
• All ground wires should be taken individually to Customer
Chassis Ground for a single point of grounding.
• The Two CT wiring diagrams in Figure 2.10 may be used for any
of the delta or open delta wiring or voltage modes shown.
Whether there are two or three CTs in a circuit does NOT affect
the voltage wiring or mode selection.
Figure 2.11 3-phase 3-wire Grounded L2(B) Phase Open
Delta Direct Connect with Three CTs Wiring Diagram
Installation2-13
L1
Distribution
Ground
LINE
L3
Voltage Mode = Open Delta
Fuse
Fuse
Line-to-Line Voltage must not exceed 347V
(otherwise, step down transformers are
required).
Customer Supplied CT Shorting
Switch or Test Block
V1
V2
V3
N
Fiber
Rx
Fiber
Tx
I1+
Voltage
Inputs
Display
Module
Fiber
Powermonitor II
Master Module
Status
Inputs
Power
GRD
S1
S2
S3
S4
Scom
L/+
N/-
L1
L2
Load
L3
I1-
I2+
I2-
Current
Inputs
I3+
I3-
I4+
Customer
I4-
Chassis
Ground
• Careful attention must be paid to correct phasing and polarity for
Note:
proper operation.
• All ground wires should be taken individually to Customer
Chassis Ground for a single point of grounding.
• The Two CT wiring diagrams in Figure 2.10 may be used for any
of the delta or open delta wiring or voltage modes shown.
Whether there are two or three CTs in a circuit does NOT affect
the voltage wiring or mode selection.
Analog
Input
Relay
Output
Ain
Acom
R14
R11
R12
R24
R21
R22
1403-IN001A-US-P
2-14Installation
Figure 2.12 3-phase 3-wire Delta Direct Connect with Three
CTs Wiring Diagram
L1
LINE
L2
L3
600 V
Voltage Mode = Direct Connect Delta
Fuse
Fuse
Fuse
L-L
Customer Supplied CT Shorting
Switch or Test Block
V1
V2
V3
N
Fiber
Rx
Fiber
Tx
I1+
Voltage
Inputs
Display
Module
Fiber
Powermonitor II
Master Module
Status
Inputs
Power
GRD
S1
S2
S3
S4
Scom
L/+
N/-
Load
Customer
Chassis
Ground
Note:
I1-
Ain
Analog
I2+
I2-
Input
Acom
R14
Current
Inputs
I3+
I3-
R11
R12
Relay
I4+
I4-
Output
R24
R21
R22
• Careful attention must be paid to correct phasing and
polarity for proper operation.
• All ground wires should be taken individually to
Customer Chassis Ground for a single point of
grounding.
1403-IN001A-US-P
Figure 2.13 3-phase 3-wire Delta Direct Connect with Three
CTs Wiring Diagram
Installation2-15
L1
LINE
L2
L3
600 V
Voltage Mode = Direct Connect Delta
Fuse
Fuse
Fuse
L-L
Customer Supplied CT Shorting
Switch or Test Block
V1
V2
V3
N
Fiber
Rx
Fiber
Tx
I1+
Voltage
Inputs
Display
Module
Fiber
Powermonitor II
Master Module
Status
Inputs
Power
GRD
S1
S2
S3
S4
Scom
L/+
N/-
Load
Customer
Chassis
Ground
Note:
I1-
Ain
Analog
I2+
I2-
Input
Current
Acom
R14
Inputs
I3+
I3-
R11
R12
Relay
I4+
I4-
Output
R24
R21
R22
• Careful attention must b e paid to correct phasing and
polarity for proper operation.
• All ground wires shoul d be taken individually to
Customer Chassis Ground for a single point of
grounding.
1403-IN001A-US-P
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