Siemens SmartGear IE User manual
USER MANUAL
Sm@rtGear™IE
Version .
usa.siemens.com/smartgear
. Siemens Sm@rtGear IE
. Components and Features
.. Remote Enclosure
... S CPU
... Comfort Panel Display
... Network Switch
.. Switchgear
... VL Circuit Breaker
... VA Circuit Breaker
... Network Switch
.. Optional
... Power Meter
... Centralized IO Cards
. Specifications
. Environmental
. Industry Standards
.. UL Listing
.. Arc Resistance
.. Seismic Qualification
. Quick Start Guide
. Sm@rtGear IE System Schematic Review
. Visual Inspection
.. Locate the remote HMI display enclosure
. Equipment Installation
.. Ensure the Sm@rtGear IE has been installed
.. Perform inspections and tests
.. Mount remote HMI enclosure
. Customer Connections
.. Using the Sm@rtGear IE system schematic
... Running the # SIS control wire
. Customer Configuration
.. Security
.. Breaker Protective Parameters
. Quick Start Checklist
. System Screens
. System Selections Bar
. Elevation
.. Gear Diagram
. One Line
.. Transformer Symbol
.. Breaker Icons
.. Mimic Bus
.. Meter Icons
. Group Maintenance Mode
. Breaker Trending
. Documents
. CPU Health
. Log Off
. Settings
.. Transfer Settings
.. Source Settings
.. WL Breaker
.. VL Breaker
.. Power Meter
.. SEM
.. SEMT
.. Input Cards
. Historical Logs
. About
. WL Monitoring Screens
. Breaker Dashboard
. Metering
. Metering Trend
. Event/Trip Log
. Statistics/Identification
. Min/Max
. Protection
. Threshold Warnings
. Metering Settings
. Active Alarms
.. Self-Reset Alarms
.. Latching Alarms
. VL Monitoring Screens
. Breaker Dashboard
. Metering
. Metering Trend
. Trip Log
. Statistics/Identification
. Diagnostic
. Protection
. Active Alarms
.. Self-Reset Alarms
.. Latching Alarms
. Power Meter Screens
. Dashboard
. Real Time Metering
. Breaker Configuration
. Metering Settings
.. Primary Transformer
.. Primary Voltage
.. Secondary V.T. Voltage
.. Incoming Direction
.. Phase Rotation
. Protective Parameters
.. L-Trip (IR)
.. Time Lag Class (TR)
Table of Contents
i
Sm@rtGear™ IE User Manual
.. It-Curve for L
.. Phase Loss Sensitivity
.. Thermal Memory
.. S-Trip (ISD)
.. Delay Time (tsd)
.. It-Curve for S
.. I-Trip (Ii)
.. N-Protection (IN)
.. Ground Fault (Ig)
.. Delay Time (tg)
.. It-Curve for G
.. Ground Fault Alarm (Ig)
.. Load Management
. Protection Function Limits
. Threshold Alarms
.. Threshold Alarms
. Optional Devices
. Source Metering
.. Trending
. Surge Protective Devices (SPD)
. Door Monitoring
. Trip Coil Monitoring
. GPS Time Sync
. HRG
. Temperature Monitoring
. Autothrowover
. Autothrowover Definition
. Configurations
. System Control
.. Standard Control Features
.. Optional Control Features
. Autothrowover Components and Features
.. Standard Components and Features
.. Optional Components and Features
. Setpoints/Controls Screen
.. Timer Setpoints
.. Selector Switches
.. Protective Relays
.. Load Test
. Sequence of Operation
.. Automatic Mode
... Loss of Primary
... Return to Primary – Standard Open Transition
... Return to Primary – Optional Closed Transition
.. Manual Mode
... Standard Open Transition
... Optional Closed Transition
. Optional System Capabilities
.. Load Shedding and Load Prioritization
.. Peak Shaving
. Test Sequences
.. Main-Tie-Main or Main-Main Configuration
... Standard Main-Tie-Main or Main-Main Configuration
... Optional Main-Tie-Main or Main-Main Configuration
.. Main-Generator Configuration
... Standard Main-Generator Configuration
... Optional Main-Generator Configuration
. Upper Level System Tie-In
. Service & Support
. Appendix
ii
Sm@rtGear™ IE User Manual
1. Overview
Siemens Sm@rtGear IE
Siemens Sm@rtGear IE is preconfigured, preprogrammed and factory tested electrical distribution equipment that provides out-of-
the-box remote monitoring, configuration and control of embedded intelligent devices.
The Sm@rtGear IE Central Processing Unit (CPU) communicates with the integrated and autonomous intelligent devices embed-
ded in the electrical distribution equipment via a Human Machine Interface (HMI) touch screen panel. The embedded intelligent
devices include:
• WL breakers
• VL breakers
• VA breaker
• Digital meters
• Protective relays
• Surge protection devices
• Environmental sensors
• Uninterruptible Power Supply (UPS)
The touch screen panel is mounted outside the arc flash boundary, greatly reducing the risk of arc flash injury for normal breaker
operations, including open/close, racking, maintenance mode activation and configuration.
Field installation requires one communication cable and one control power cable that connect the Sm@rtGear IE to the remote
HMI. The time and cost to connect multiple devices in a typical switchgear to a hardwired remote-control panel is eliminated.
The remote HMI communicates with the entire System Architecture to monitor, configure and control the Sm@rtGear IE from a
safe distance outside of the arc flash boundary in the electrical room or in a control room. Just a few of the preconfigured and
built-in features available with the Sm@rtGear IE include:
• Remote configuration, monitoring and control
• Self-diagnostic data
• Preventative/predictive maintenance data
• Environmental data
• Product documentation
• Maintenance/status reports that summarize data for all installed devices
The Sm@rtGear IE eliminates the need for upstream PMCS, PCS, DCS or SCADA systems. However, it is well equipped to support
upstream supervisory systems using any communication protocol, including MODBUS, MODBUS TCP/IP, PROFIBUS, PROFINET and
ETHERNET.
Service, parts and repairs are available seven days a week, 24 hours a day, 365 days a year. For assistance, call Siemens Industry
Care Center (ICCC) at 800-333-7421.
Sm@rtGear™ IE User Manual
Sm@rtGear™ IE User Manual
1.1 Components and Features
1.1.1 Remote Enclosure
1.1.1.1 S71500 CPU
The S71500 CPU is pre-programmed to support remote configuration, monitoring,
and control of the intelligent devices embedded in the Sm@rtGear IE.
1.1.1.2 Comfort Panel Display
The 22” touch panel HMI is pre-configured and programmed with an application specific graphical user interface (application
specific elevation and one-line drawings). Energy saving LED background lighting can be dimmed up to 100 percent. The touch
panel is long-lasting and luminous in brightly lit working environments.
1.1.1.3 Network Switch
The Scalance X-200 and S615 network switches offer a wide variety of functions,
including PROFINET diagnostics and redundancy functions for seamless networks.
The network switches consolidate all of the Ethernet-based devices into one
communication connection that runs between the electrical distribution equipment
and the remote HMI enclosure. It also supports SNMP network monitoring.
Sm@rtGear™ IE User Manual
1.1.2 Switchgear
1.1.2.1 WL Circuit Breaker
Siemens WL circuit breakers offer an Extended Instantaneous Protection (patent pending) function delivering 100% of the full
withstand rating of the frame and the breaker’s maximum Interrupting Rating. ETU 776 trip units are installed in all breakers with
Dynamic Arc Flash Sentry (DAS) to reduce arc flash incident energy. Additionally, integrated racking handles and front-mounted
terminal blocks reduce installation time and errors. Safety-related features include a visible ready-to-close indicator, customizable
interlocking and mechanical trip indication.
WL breakers may vary depending on the switchgear design. See the As-Built drawings within the Documentation screen for exact
WL breakers installed.
1.1.2.2 VL Circuit Breaker
1.1.2.3 VA Circuit Breaker
Sm@rtGear™ IE User Manual
1.1.2.4 Network Switch
The Scalance X-200 switch offers a wide variety of functions, including PROFINET
diagnostics or redundancy functions for seamless networks. The network switch
consolidates all of the Ethernet based-devices into one communication connection
that runs between the electrical distribution equipment and the remote HMI enclosure.
It also supports SNMP network monitoring.
1.1.3 Optional
1.1.3.1 Power Meter
The SENTRON PAC3200, SENTRON PAC4200, ACCESS 9510, ACCESS 9610, SIEMENS 9410 and SIEMENS 9810 power metering
devices store, monitor and display all relevant low voltage power distribution parameters in single-, two- and three-phase
measurements. A comprehensive, parameterizable signaling system monitors application-specific events, including limit violations
and operator interventions.
1.1.3.2 Centralized IO Cards
Centralized IO Cards can be supplied into the switchgear to receive customer specific I/Os.
NOTE: For additional information on optional devices refer to section 8. For additional information on the components featured in
the Sm@rtGear IE refer to Siemens Download Center
Sm@rtGear™ IE User Manual
2. Specifications
2.1 Environmental
Storage Environment
• 40 to 110 degrees F
• 5 to 80% humidity (non-condensing)
Operating Environment
• 0 to 104 degrees F
• 5 to 90% humidity (non-condensing)
2.2 Industry Standards
Type WL switchgear with power circuit breakers are designed, tested and constructed in accordance with the following industry
standards:
• UL 1558 – Metal-Enclosed Low Voltage Power Circuit Breaker Switchgear
• ANSI C37.20.1 – Metal-Enclosed Low Voltage Power Circuit Breaker Switchgear
• ANSI C37.50 – Test Procedure for Low Voltage AC Power Circuit Breakers Used in Enclosures
• ANSI C37.51 – Conformance Testing of Metal-Enclosed Low Voltage AC Power Circuit Breaker Switchgear Assemblies
• NEMA SG5 – Power Switchgear Assemblies
• Applicable requirements of the National Electric Code (NEC)
• UL 1066 – Low Voltage AC and DC Power Circuit Breakers Used in Enclosures
• ANSI C37.13 – Low Voltage AC Power Circuit Breakers Used in Enclosures
• ANSI C37.16 – Preferred Ratings, Related Requirements, and
• Application for Low Voltage Power Circuit Breakers and AC Power Circuit Protectors
• ANSI C37.17 – Trip Devices for AC and General Purpose DC LowVoltage Power Circuit Breakers
• NEMA SG3 - Low Voltage Power Circuit Breakers
2.2.1 UL Listing
Underwriters’ Laboratories listing mark (UL) is supplied for each vertical section provided all devices within a vertical section are UL
Listed or UL Recognized and suitable for the intended use. All circuit breaker drawn-out elements are UL Listed.
Optional CSA compliance with UL labeling is available.
2.2.2 Arc Resistance
Optional Type WL arc-resistant low voltage switchgear is available and is UL-listed to ANSI/IEEE C37.20.7. Type 2B arc-resistant
accessibility rating with maximum internal arcing short-circuit current rating of 100kA @508V.
2.2.3 Seismic Qualification
Seismic qualification to all major seismic construction standards (IBC, UBC, CBC, SBC, BOCA and IEEE 693) is available.
Sm@rtGear™ IE User Manual
3. Quick Start Guide
This section contains instructions pertaining to the receipt, inspection, installation and testing of Siemens Sm@rtGear IE.
3.1 Sm@rtGear IE System Schematic Review
Every Sm@rtGear IE shipment includes a system schematic drawing that was created for that particular system configuration. A hard
copy of the Sm@rtGear IE system schematic is located in the As-Built drawings package found in the electrical distribution equip-
ment. An electronic copy is also located in the Documentation folder on the HMI. Attached below is a typical Sm@rtGear IE system
schematic.
3.2 Visual Inspection
..
Locate the remote HMI display enclosure. Open the enclosure and identify the customer connection components - network switch
and control power terminal blocks. A photo of each component is shown in Section 1.1 .
3.3 Equipment Installation
..
Ensure the Sm@rtGear IE has been installed per instruction and installation guide 11-C-9100-01 or 11-C-9887-01.
..
Perform inspections and tests necessary for the specific application to ensure the Sm@rtGear IE is safe and ready for CPU testing/
setup.
..
Mount remote HMI enclosure, per industry standards, outside of the arc flash zone. Mounting is preferable in a controlled
environment in view of the electrical room.
3.4 Customer Connections
..
Using the Sm@rtGear IE system schematic ensure that the following customer connections, highlighted in red circular dashes, are
made:
...
#14 SIS control wire must be run from the control power terminal blocks in the Sm@rtGear IE to the control power terminal blocks
in the remote HMI enclosure. This wire cannot occupy the same conduit as fiber optic or RJ-45 communication cables.
Sm@rtGear™ IE User Manual
3.5 Customer Configuration
.. Security
Users must be added and their security level access must be defined prior to logging into the system.
.. Breaker Protective Parameters
WL breaker Protective Parameter settings must be entered. The Protective Parameter settings are usually determined by a short
circuit and coordination study. An arc flash study should also be done to determine Arc Flash Maintenance Mode settings. Arc flash
maintenance mode settings equate to the Parameter B breaker settings in the Sm@rtGear IE.
3.6 Quick Start Checklist
Review the following steps when commissioning Siemens Sm@rtGear IE.
Sm@rtGear IE System Schematic Review (Section 3.1)
Visual Inspection (Section 3.2)
Equipment Installation (Section 3.3)
Customer Connections (Section 3.4)
Customer Configuration (Section 3.5)
Sm@rtGear™ IE User Manual
4. System Screens
4.1 System Selections Bar
The System Selections Bar is located on the left side of the screen on the Elevation screen. It contains the Current User, Elevation,
One Line, Group Maintenance Mode, Breaker Trending, Documents, CPU Health, System Status, Log Off, Settings, Historical Logs,
About and system date/time.
• System date/time is synced off of the HMI date/time unless a NTP time server is used. Any changes to the HMI date/time auto-
update the date/time on the PLC.
• CPU status reflects its current status.
• System Mode setting displays which system mode is currently selected (i.e. auto or manual).
• Retransfer Mode setting displays which retransfer setting option is currently selected (i.e. auto or manual).
• Transition Mode setting displays which transition mode option is currently selected (i.e. open or closed).
4.2 Elevation
The Elevation Screen shows real time status of the breakers and bus in the Sm@rtGear IE. Everything on the Elevation Screen is
interactive and precisely represents the Sm@rtGear IE in real time. The bus changes colors to indicate when it is inside or outside
of a parameter. Bus colors change to red when energized and healthy. Orange represents a bus if energized and unhealthy. Green
indicates the bus is dead. Purple shows there is a communications failure with unknown status. The closed, open and DAS lights on
the breakers also change color based on the states of the breaker and the DAS. The red light appears when the breaker is closed,
and the light changes to green when open. The same view of the Sm@rtGear IE is represented in a One Line screen made up of ANSI
standard symbols. The Elevation screen is a customized gear overview designed to match each individual Sm@rtGear IE. All sections,
compartments and devices are represented. Below are detailed descriptions of each item typically found on an elevation.
4.2.1 Gear Diagram
The largest part of the Elevation Screen is devoted to the Gear Diagram. Below is a list of important items and data found in most
diagrams.
• Each meter has a picture corresponding to the physical location within the Sm@rtGear IE. Touching the picture opens a detail
screen.
• Each breaker has an animated representation that corresponds to its location in the Sm@rtGear IE.
• Touching the breaker opens a detailed pull up screen.
• Open/close status and change are displayed based on the state of the breaker.
• Connect/test/disconnect/not available positions correspond with the state of the breaker.
• Each breaker has status lights that change based on the state (open/close) of the breaker.
Sm@rtGear™ IE User Manual
• Each breaker has a designated nameplate. Nameplate wording can be customized. See the Setttings section in this manual
for additional information.
• Each HRG unit has an icon corresponding to its physical location within the Sm@rtGear IE. Touching the icon opens the
detailed HRG unit screen.
• Mimic Bus is routed throughout the Sm@rtGear IE diagram. It represents the bus within the Sm@rtGear IE. As noted above,
the Mimic Bus changes color reflecting different bus states:
o Green – bus is dead (de-energized)
o Red – bus is healthy (energized)
o Orange – bus unhealthy (under voltage or other condition present)
o Purple – bus status unknown (loss of communication)
• Right click on a breaker displays the Breaker Metering pop-up window. Breaker Metering displays the Breaker Name, Voltage
Average, Current Average, THD Voltage and THD Current.
4.3 One Line
The One Line screen contains the same information as the Elevation Screen represented as ANSI standard symbols.
The ANSI standard symbols give a total system overview in a traditional format.
4.3.1 Transformer Symbol
The symbol changes color based on state of the component.
Color key:
• Green – bus is dead (de-energized)
• Red – bus is healthy (energized)
• Orange – bus unhealthy (under voltage or other condition present)
• Purple – bus status unknown (loss of communication)
4.3.2 Breaker Icons
Breaker icons show the breakers current states and nameplate information. Additional features include:
• Touching the breaker opens a detailed screen.
• Open/close status and change is displayed based on the state of the breaker.
• Connect/test/disconnect/not available positions correspond with the state of the breaker.
• Breakers can be blocked with a Bay Block feature. Reference Settings screen.
• Each breaker has a nameplate. Wording can be customized. Reference Settings screen.
Sm@rtGear™ IE User Manual
4.3.3 Mimic Bus
Mimic Bus is routed throughout the One Line diagram and represents the bus within the Sm@rtGear IE. The Mimic Bus changes
colors according to the state of the switchgear.
• Green – bus is dead (de-energized)
• Red – bus is healthy (energized)
• Orange – bus unhealthy (under voltage or other condition present)
• Purple – bus status unknown (loss of communication)
4.3.4 Meter Icons
Specific meter icons are located on the One Line screen. Touching the icon opens a detailed meter screen.
Sm@rtGear™ IE User Manual
4.4 Group Maintenance Mode
This screen allows the user to control the arc flash maintenance mode for one or multiple breakers using the virtual control switch.
In the gear diagram, one or more breakers can be selected by clicking the breaker, which will display a green check mark.
At the top of the screen, the maintenance mode activation switch can be used to turn on or off the maintenance mode associated
with all the breakers selected in the gear diagram.
4.5 Breaker Trending
The Breaker Trending displays a trend of all historical breaker metering values. Across the top of the Breaker Trending screen, there
are tabs for the WL Breaker, VL Breaker and VA Breaker.
The Current Trend section is located in the upper segment of the Breaker Trending screen. This section contains arrows which are
used to toggle between breakers from the system level. Once a breaker is set, a historical trend will be displayed for up to 30 days.
There is a button bar at the bottom of the Breaker Trending which contains buttons for the following actions:
• First record
• Previous record
• Start stop
• Next record
• Last record
• Ruler
• Zoom time axis +/-
• Zoom area
• Original view
• Select time range
• Select trends
• Export
Sm@rtGear™ IE User Manual
Clicking the “select trends” button calls a pop-up window which includes selections for the following values:
• Phase Unbalance Current
• Long Time Mean Current Average
• Long Time Mean Current L1
• Long Time Mean Current L2
• Long Time Mean Current L3
• Current L1
• Current L2
• Current L3
• Mean Current Average
• Neutral Current
• Ground Current
• Phase Unbalance Voltage
• L1-L2 Volts
• L2-L3 Volts
• L3-L1 Volts
• L1-N Volts
• L2-N Volts
• L3-N Volts
• L-L Volts
• L-N Volts
• Total Apparent Power
• Total Active Power
• Active Power L1
• Active Power L2
• Active Power L3
• Total Reactive Power
• Total Long Time Mean Active Power
• Long Time Mean Active Power L1
• Long Time Mean Active Power L2
• Long Time Mean Active Power L3
• Total Long Time Apparent Power
• Apparent Power L1
• Apparent Power L2
• Apparent Power L3
• Long Time Apparent Power L1
• Long Time Apparent Power L2
• Long Time Apparent Power L3
• Total Long Time Reactive Power
• Reactive Power L1
• Reactive Power L2
• Reactive Power L3
• Total Mean Value Power Factor
• Power Factor L1
• Power Factor L2
• Power Factor L3
• Frequency
• THD Current
• THD Voltage
• Cradle Temperature in Celsius
• Breaker Temperature in Celsius
Sm@rtGear™ IE User Manual
4.6 Documents
The Documentation screen includes all Siemens manuals and schematics for each Sm@rtGear IE lineup. The documentation is ac-
cessed directly on the HMI or from a designated folder on the CPU. Typical default location of files is C:/Siemens_Files/PDF. Pressing
any button on the Documentation screen opens a document.
4.7 CPU Health
The CPU Health pop-up window displays the utilization of the processor and the memory card and the cycle time of the three cycle
clusters which are running: device cycle, acyclic cycle and system cycle.
4.8 Log Off
Clicking the Log Off button calls a pop-up window which displays the question “Are you sure you want to log off?” Click Cancel to go
back or click Confirm to log off.
Sm@rtGear™ IE User Manual
4.9 Settings
4.9.1 Transfer Settings
The ATO Controls section is located on the left of the Transfer Settings screen. This section displays a green light for System Mode
Auto, System Mode Manual, System Mode DCS Active, Retransfer Mode Auto and Retransfer Mode Manual.
The Breaker Timers section is located on the right of the Transfer Settings screen. This section displays readings for Set Time and No
Countdown Active for both Fail to Open and Fail to Close.
4.9.2 Source Settings
The Incoming Utility Source section is located in the upper left of the Source Settings screen. The section contains arrows which are
used to toggle between Sources.
The Source Identification section is located in the mid left of the Source Settings screen. The section allows users to edit the Source
Name of the selected Source.
The Protection Settings section is located in the lower left of the Source Settings screen. This section allows users to edit the follow-
ing values:
• Undervoltage
• Overvoltage
• Phase Unbalance Voltage
• Underfrequency
• Overfrequency
The Protection Settings Limits section is located in the lower right of the Source Settings screen. The section displays limits for the
following values:
• Undervoltage Settings
• Overvoltage Settings
• Phase Unbalance Voltage Settings
• Underfrequency Settings
• Overfrequency Settings
Sm@rtGear™ IE User Manual
4.9.3 WL Breaker
The Device Type section is located in the upper left of the WL Breaker Settings screen. This section contains arrows which are used
to toggle between WL Breakers.
The Breaker Identification section is located in the upper left of the WL Breaker Settings screen. This section contains the Breaker
Name and Breaker Detail values. When edited, the nameplate changes are reflected on the Elevation, One Line and Network
Settings screens. Nameplate length is limited to eight characters.
The Breaker Bay Block section is located in the mid left of the WL Breaker Settings screen. This section contains the Bay Block on/
off switch. Bay Blocking turns off any breaker in the system. The node is no longer part of the system cycle scan and no information
from the node is available on the HMI The system does not waste time scanning a breaker until Bay Blocking is unlocked.
Note: If a Main, Tie or Generator breaker that is part of an Auto Throw Over scheme is placed into Bay Blocking, System Mode is
forced into Manual Mode and Auto Operations will be allowed. This prevents unwanted system paralleling of the bus through a
node with an unknown status.
The Breaker Restriction section is located in the lower left of the WL Breaker Settings screen. This section contains the Maintenance
Mode Restriction, Close Breaker Restriction and Open Breaker Restriction on/off switches. A pop-up box command restricts Open,
Close or DAS operations (Figure 30). If the Open box is checked for a specific breaker, the Open operation through the remote HMI
is restricted and that breaker will no longer remotely open. If Close is selected, that breaker can no longer be closed through the
remote HMI. Open and Close operations are still allowed when restricted from the breakers pushbuttons located on the breaker. If
DAS is selected, the breaker will be locked in the current parameter and will not change from the remote interface.
This remote electronic lockout function enhances mechanical lockout procedures and is an important extra step toward increasing
personnel safety.
The System Power Quality section is located in the lower left of the WL Breaker Settings screen. This section contains the System
Power Quality Warning/Alarm on/off switch.
The WL Power Quality section is located in the right of the WL Settings screen. This section contains on/off switches for the
following values:
• Overcurrent
• Ground Current
• Neutral Current
• Phase Unbalance Current
• Long Time Mean Current
• THD Current
• Undervoltage
• Overvoltage
Sm@rtGear™ IE User Manual
• Phase Unbalance Voltage
• THD Voltage
• Peak Factor
• Form Factor
• Active Power in Normal Direction
• Active Power in Reverse Direction
• Power Factor Capacitive
• Power Factor Inductive
• Long Time Mean Active Power
• Apparent Power
• Reactive Power in Normal Direction
• Reactive Power in Reverse Direction
• Long Time Mean Apparent Power
• Long Time Mean Reactive Power
• Overfrequency
• Underfrequency
4.9.4 VL Breaker
The Device Type section is located in the upper left of the VL Breaker Settings screen. This section contains arrows which are used to
toggle between VL Breakers.
The Breaker Identification section is located in the upper left of the VL Breaker Settings screen. This section contains the Breaker
Name and Breaker Detail values. When edited, the nameplate changes are reflected on the Elevation, One Line and Network Settings
screens. Nameplate length is limited to eight characters.
The Breaker Bay Block section is located in the mid left of the VL Breaker Settings screen. This section contains the Bay Block on/off
switch. Bay Blocking turns off any breaker in the system. The node is no longer part of the system cycle scan and no information
from the node is available on the HMI The system does not waste time scanning a breaker until Bay Blocking is unlocked.
Note: If a Main, Tie or Generator breaker that is part of an Auto Throw Over scheme is placed into Bay Blocking, System Mode is
forced into Manual Mode and Auto Operations will be allowed. This prevents unwanted system paralleling of the bus through a
node with an unknown status.
The Breaker Restriction section is located in the lower left of the VL Breaker Settings screen. This section contains the Maintenance
Mode Restriction, Close Breaker Restriction and Open Breaker Restriction on/off switches. A pop-up box command restricts Open,
Close or DAS operations (Figure 30). If the Open box is checked for a specific breaker, the Open operation through the remote HMI
is restricted and that breaker will no longer remotely open. If Close is selected, that breaker can no longer be closed through the re-
mote HMI. Open and Close operations are still allowed when restricted from the breakers pushbuttons located on the breaker. If DAS
is selected, the breaker will be locked in the current parameter and will not change from the remote interface.
Sm@rtGear™ IE User Manual
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