reliable company...caterpillar

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2 The markets most reliable technology... from the industryʼs most reliable company...caterpillar Caterpillar switchgear with PowerLynx technology has been designed to integrate hand-inglove with Caterpillar on-package microprocessor-based engine control. Exclusively from your Caterpillar dealer, you can now get one-of-a-kind effi ciency, reliability and dependability all in one package, something no other manufacturer can provide. PowerLynx technology is innovative, reliable and cost-effective for power generation in both lowand medium-voltage emergency system applications. PowerLynx technology is an advanced, multifaceted microprocessor-based engine generator set control found exclusively in Caterpillar switchgear. PowerLynx Technology Features Fault Tolerance PowerLynx technology provides maximum effi ciency and reliability. With other switchgear, if a single component shuts down, the entire system may not operate. With PowerLynx technology, this won t happen because four levels of fault tolerance are built into the system: 1.) True distributed control processors for each power source ensure the system continues to operate even if a single PLC fails. 2.) In the event that the main automation processor fails, PowerLynx technology enables the moving master feature for semi-automatic operation. A redundant main processor is optionally available. 3.) If the touchscreen fails, an Instant Auto switch is provided to place all PowerLynx controls in the Auto position, protecting your facility from power outages. 4.) Distributed manual control in case the automation feature fails. Touchscreen Interface The PowerLynx technology 2000/3000 color touchscreen display is the key to the system s powerful and simple operator interface. PowerLynx 1000 technology uses similar graphical display techniques in a smaller scale monochrome touchscreen format. The screen gives the operator an instantaneous, easily understandable view of the entire system status. This feature is unique to Caterpillar and not found in conventional, hardware-based switchgear. To access system controls, all you have to do is touch the corresponding portion of the screen and you are there immediately. The entire engine generator set can be controlled from one touchscreen. The easy-to-use touchscreen interface makes it possible to view, monitor and perform multiple functions including: Metering Engine gauging Protective relay settings Annunciators Adjust load shed controls and generator demand priority Synchronize and parallel Set modes of operations Voltage and frequency adjustments Display With PowerLynx technology, it s simple. All the critical information you need is displayed in a manner that is familiar to you. Graphics look exactly like the meters and gauges on conventional switchgear. At a glance, you can easily see how the system is performing and based on real-time information, you can instantly do what s necessary to correct or optimize system performance. All products are available in three PowerLynx technology versions. Each product family is equipped with features and capabilities suitable for your electrical system s needs. You choose the feature set that is right for your application. Advanced Communications Capabilities PowerLynx technology is equipped with exceptional remote communications technologies, enabling you to control and monitor your engine generator sets from anywhere at anytime. Whether at home, in the offi ce or on the road, you can access controls and information on a real-time basis and respond immediately even control multiple facilities from a single centralized site.

3 Product Description Load Management (LM) Switchgear with PowerLynx utilizes a single diesel or natural gas generator set to operate in parallel with the utility company for load management peak shaving. Standardized, simple, cost effective control switchgear for local or remotely initiated starting, stopping, synchronizing, utility paralleling, load management, and distributed generation Available as: - Base loading export - Utility set-point import peak shaving PowerLynx technology brings the power and reliability of microprocessor technology to your generator power application. Through the use of the PowerLynx operator interface touchscreen display with easy to follow graphical presentations, the PowerLynx technology product merges the features of: Power Monitoring Switchgear Automation Generator Set Control Remote Communications High-Speed Integrated Control System PowerLynx technology uses a highspeed industrially hardened network for system control. The network is daisy-chained connected, ensuring that the loss of one or more processors will not affect the integrity of the network. This essential feature ensures proper system performance under any condition. Best-in-Class Footprint PowerLynx technology uses fewer than 1/3 of the components of conventional switchgear. This translates to less wiring, a smaller footprint, higher mean time between failures and lower mean time to repair. Integrated Digital Technology Integrated with on-package engine control, PowerLynx has built-in governor, synchronizer, power factor controller and load sharing functions. Caterpillar switchgear products do not require additional discrete components. Advanced Generator Protection Caterpillar switchgear products perform generator protective functions internal to the PowerLynx processor. With PowerLynx technology, you can monitor, process, compare, display and transmit data with a high degree of precision and control and that control translates into high reliability and functionality. Caterpillar power systems protect your power every second of everyday...and seconds can be important where power is concerned. It is crucial to keep a power generation or electrical distribution system operating around-the-clock especially in applications that rely heavily on emergency/standby systems. Hospitals/medical centers Electrical, water and gas utilities Government institutions Data centers Critical industrial/chemical processes LM Switchgear Order Publication No. SA E for detailed information on PowerLynx technology.

4 MDS-CXX TOUCHSCREEN DISABLE ENABLE HORN SILENCE HORN OPEN LOCK - OUT RELAY TRIP RESET CLOSED Drawing #1 LM1 (PowerLynx 1000/2000/3000) " [64] 22" [559] " [486] " [37] B MAXIMUM AVAILABLE SPACE FOR POWER CONDUIT THRU BOTTOM OF ENCLOSURE POWERLYNX TOUCH SCREEN LOAD LUGS C 52P1 A G R Structure Width " [89] " [21] A B C BOTTOM CONTROL CONDUIT ENTRY FRONT " [108] 52P PLAN VIEW (1 SECTION) 22" [559] LM Switchgear (480 volt) 500 mcm Operating Model Minimum Maximum Generator Main Load Lugs per Drawing Cabinet Voltage Number Gen kw Gen kw CB Size Bus Size Lugs Phase Number Depth 480 LM LM LM LM LM Notes 1- (>90) - Enclosure greater than 90 deep requires both Top and Bottom entry for adequate cable space

5 5.2812" F1 F3 F5 F2 F4 F " XXX DEL 7 ESC MENU 4 MOD 1 SHIFT ENTER +/ F7 F9 F11 MAGELIS F8 F10 F12 POWERLYNX FRAME RELAY HOST REQUIREMENTS: The Power of PowerLynx Technolog y Typical Application UTILITY TRANSMISSION LINE SUBSTATION #X DISTRIBUTED GENERATION UTILITY SUBSTATION APPLICATION SUBSTATION #4 REMOTE CONTROL * COMMON START/ STOP * ALARMS * REPORT SUBSTATION #3 * INDIVIDUAL CONTROL SUBSTATION #2 1. GENERATOR MUST BE EQUIPPED WITH ADJUSTABLE VOLTAGE REGULATOR. 2. ENGINE MUST BE EQUIPPED WITH ELECTRONIC GOVERNOR. 3. EXISTING EMERGENCY CB3 MAY NEED TO BE UPGRADED TO HIGHER FAULT INTERRUPTING RATING. 4. UTILITY PROTECTIVES VARY BASED ON SYSTEM FUNCTION IMPORT 32 R - REVERSE POWER RELAY EXPORT 81 O/U - UNDER/ OVER FREQUENCY RELAY UTILITY SUBSTATION UTILITY HIGH SIDE FUSE UTILITY STEP DOWN TRANSFORMER LOCAL CONTROL TRANSMISSION VOLTAGE DISTRIBUTION VOLTAGE SUBSTATION #1 2000kW CAT GEN 52DG 480V 27/59 - UNDER/ OVER VOLTAGE RELAY 81 O/U - UNDER/ OVER FREQUENCY RELAY 32 - REVERSE POWER RELAY 40 - LOSS OF EXCITATION (REVERSE VAR) RELAY 25 - SYNCH CHECK RELAY UTILITY UTILITY LOW SIDE CB PROTECTIVES * DISTRIBUTED GENERATION STEP UP TRANSFORMER DISTRIBUTION BUS 52F1 52F2 52F3 52F4 FEEDER #1 FEEDER #4 FEEDER #2 FEEDER #3 STANDARD EQUIPMENT Operator Interface Touchscreen - PowerLynx 3000, 15 Surface Acoustic Wave TFT Color Touchscreen - PowerLynx 2000, 12 Resistive TFT Color Touchscreen - PowerLynx 1000, 6 Resistive LCD Monochrome Touchscreen for EGP2, 10 Resistive Monochrome Touchscreen for EGP3 - EGP5 Direct Data Communication to Cat microprocessor based engine generator set control network PowerLynx 1000, 6 Resistive LCD Monochrome Touchscreen 0.25% Accuracy AC Metering for Utility: Average Voltage; kw 0.25% Accuracy Digital AC Metering for Generator: Voltage 1-2, 2-3, 3-1; Current 1, 2, 3; Frequency; Power Factor; kw; kvar; kva Synchronizing and Paralleling Controls for Automatic Synchronizing NFPA 110 Engine/Generator Status, Pre-Alarm and Shutdown Fault Readout with 85dbA alarm horn with silence button System Control Functions for Load Management System Status and Alarm Annunciation with display and 85dbA alarm horn with silence button Password secured Settings and Adjustments for Generator and System Setups and Protective Relaying UL 891 listed and labeled or UL 1558 listed and labeled NEMA 1, deadfront freestanding construction IEEE 1547 compliant UL or CSA Listed Copper Bus, braced for 100 ka 3-phase, 4-wire, 100% neutral, 1/4" x 2" copper ground bus Available in 600V or 480/277 V, 60 Hz UL1066 listed Power Circuit Breakers, 100 kaic, two-step stored energy drawout mounted electrically operated with long time and instantaneous trip, local LCD ammeter, and circuit breaker control switch with lights Continuous cross bus ratings up to 3000 amperes at 600 VAC Mechanical lugs for incoming and outgoing conductors Top or bottom conduit entry OPTIONAL EQUIPMENT Circuit Breaker Trip Functions Short Time, Long Time, Ground Fault trip and/or Ground Fault Alarm Also available in 150 ka or 200 ka bus bracing configurations Also available in medium voltage 120/208 Volts, 60 Hz Operation via remote contact closure, or manually initiated at unit Off-Site Frame Relay - Remote Main Bus Compartment Vertical barriers PowerLynx software for additional on-site monitoring and control work stations PowerLynx software for off-site monitoring control Building Automation Data Concentrator - Modbus or Ethernet Remote Notification Historical Data Trending Redundant Main Processor Extended Warranty

6 LM Switchgear with PowerLynx Technology Specifications PowerLynx Technology Utility Metering Average Voltage; Power Factor; kw LM Switchgear Utility Protective Relaying 27/59 Under/Over Voltage Relay 81 O/U Under/Over Frequency Relay Multi-function, utility grade, drawout with: - 32 Reverse Direction Relay, utility grade, (Import Only) - 32/51 Reverse Direction Overcurrent Relay, utility grade, (Import Only) - 32/62 Reverse Direction Timing Relay, utility grade, (Import Only) 86 Reverse Power Lockout Relay, manual reset (Import Only) 25 Synch Check Relay (hardware redundant protective device) 47 Phase Sequence/Phase Failure Relay, utility grade PowerLynx Technology Generator Set Metering Voltage 1-2, 2-3, 3-1; Current 1, 2, 3; Frequency; Power Factor; kw; kvar; kva PowerLynx Technology Generator Protective Relaying 27/59 Under/Over Voltage Relay 81 O/U Under/Over Frequency Relay 32 Reverse Power Relay 40 Loss of Excitation (Reverse VAR) Relay 25 Synch Check Relay (hardware redundant protective device) Engine Protection Low Coolant Temperature Pre-Alarm High Coolant Temperature Pre-Alarm and Shutdown Low Oil Pressure Pre-Alarm and Shutdown Low Fuel Alarm Low Engine Battery Alarm Overcrank Shutdown Overspeed Shutdown PowerLynx Technology Engine/Generator Control Engine Start Function automatic, manual Adjustable Engine Cool down Timer 15 Automatic Synchronizer 65 Microprocessor Engine Governor Load Sharing and Soft Loading Control 90 VAR/PF and Cross Current Compensation Controller PowerLynx Technology System Control Load Management Mode (manually initiated) Emergency Stop PowerLynx Operator Interface Unit 6 monochrome graphical PowerLynx HMI (Human-Machine Interface) PowerLynx Power Supply Best DC Source Selector Power from 24VDC engine cranking batteries 24VDC Internal Station Battery, sealed jar, 4-hour, external 120VAC emergency power required for charging Processor power supplies 24VDC PowerLynx Technology Communications Automation Network high speed, high reliability, industrially hardened Optional Remote Communications Network Optional Communication to Building Automation Systems for general monitoring - Modbus RTU Circuit Breakers 100% Rated UL 1066 Power Circuit Breakers available A with twostep stored energy mechanism 100 kaic Drawout Mounted (Fixed optional) 5 cycle closing Electrically Operated Auxiliary and Bell Alarm Contacts Electronic Trip Unit with Long Time and Instantaneous trip functions (Short Time and Ground Fault optional) Local LCD Display Ammeter Enclosure and Bussing UL 891 Listed and Labeled or UL 1558 Listed and Labeled NEMA 1, Deadfront Freestanding Construction Copper Bus 100 ka Bus Bracing 3-phase, 4-wire, 100% neutral bus, 1/4 x 2 ground bus Seismic qualified to exceed the requirements of the Uniform Building Code (UBC) and the California Building Code (CBC) Also available in UL listed and labeled medium voltage Environment 0 C to 50 C 0 to 95% humidity, non-condensing 2004 Caterpillar Printed in U.S.A. August 2004 Supersedes LEH3092 (05-03) Eaton Publication No. SA E