Marathon Electric DVR 2000E+ Installation, Operation And Maintenance Manual
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Marathon Electric DVR 2000E+ Installation, Operation And Maintenance Manual

Digital voltage regulator
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DVR
2000E+
®
DIGITAL VOLTAGE REGULATOR
INSTALLATION, OPERATION AND
MAINTENANCE MANUAL

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  • Page 1 2000E+ ® DIGITAL VOLTAGE REGULATOR INSTALLATION, OPERATION AND MAINTENANCE MANUAL...

  • Page 3: Table Of Contents

    Generator Voltage Imbalance Shutdown ..............18 Loss of Generator Sensing Shutdown ..............18 Field Current Limiting Shutdown ................19 Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...
  • Page 4 Fault Codes ......................... 74 APPENDIX B Connector Pin-out Figures and Tables................75 APPENDIX C Quick Start Programming Guide ..................78 Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...

  • Page 5: Section 1 - Overview

    • T hree regulation modes: single phase automatic voltage regulation (AVR1), three phase automatic voltage regulation (AVR3) and field current regulation (FCR) • Preset stability settings • Adjustable soft start in AVR1 or AVR3 regulation modes • Under frequency (volts/hertz) regulation • Three-phase or single-phase generator voltage (RMS) sensing • Three-phase or single-phase generator current (RMS) sensing • True three-phase power metering • Field current sensing • Field voltage monitoring • Contact inputs for system interface capability Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...

  • Page 6: Protections

    Marathon’s written specifications for a period of 12 months from date of shipment. Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...

  • Page 7: Section 2 - Specifications

    10 Second Forcing Rating 200 Vac Power Input: 150 Vdc, 7.5 Adc Field Resistance: 18 to 35 * Terminals: F+, F- Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...

  • Page 8: Avr1 And 3 Operating Modes

    Field Current Limit Protection Threshold: 0.500 to 7.500 Adc Timer: 1.0 to 10.0 seconds Field Instantaneous Over Current Protection Threshold: 11 Adc Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...

  • Page 9: Generator Over Voltage Protection

    Auxiliary – Meter (Current input) Current Range: 4 mA to 20 mA Scale Factor: User-defined Burden: 250 * Terminal: J1-1 (+), J1-12 (-) Jumper: J1-5 to J1-8 Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...

  • Page 10: Metering

    Accuracy: 0.5 % Power (Apparent, Real and Reactive) Range: 0 to 10 MVA and MW 0 to 8 MVAR leading/lagging Accuracy: 3.0 % Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...

  • Page 11: Environmental

    J2: Mating Plug Housing: Deutsch DT06-12SA-P012 Mating Plug Wedge Lock: W12S-P012 Mating Plug Terminals: 0462-201-16141 J3: Mating Plug Housing: Amp/Tyco 172166-1 Mating Plug Terminals: 170366-3 Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...

  • Page 12: Section 3 - Features And Protection

    0.1% increments and allows an input range of 0.0% to 15.0%. The effect the UP and DOWN contacts are having on the set point is displayed in the Windows software. ® Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...
  • Page 13 Windows® communication software. Connection is made to the female RS-232 (DB-9) connector with a user- supplied, standard 9-pin cable. A Null modem cable is unacceptable. Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...
  • Page 14 ENTER. Section 5 – Human-Machine Interface provides more information about the front panel switches. Fault Output Contact A fault output contact is provided through terminals J1-6 and J1-7. This normally-open, form-A contact closes in the event of a protective shutdown. Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...

  • Page 15: Dvr ® 2000E+ Operating Features

    In the FCR regulation mode, the application of a 0-3 Vdc signal corresponds to a 0-3 Adc field current set point. For example, the application of a 1.25 Vdc signal will result in a field current of 1.25 Adc. Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...

  • Page 16: Load Sharing

    HMI. The Generator Under Frequency feature is also active during Generator Soft Start and takes priority in control of the generator voltage. Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...

  • Page 17: Dvr ® 2000E+ Protection Features

    .0.1.3. will flash for 15 seconds on the HMI and the fault will be indicated in the Windows code communication ® software on the History tab of the Faults and Alarms section of the monitor screen. Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...

  • Page 18: Generator Under Voltage Shutdown

    Note: In AVR1 and AVR3 regulation modes, Loss of Sensing is not enabled until a speed of 850 RPM is detected. Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice.

  • Page 19: Field Current Limiting Shutdown

    Windows® communication software on the History tab of the Faults and Alarms section of the monitor screen. Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...

  • Page 20: Generator Under Frequency Alarm

    Vpu = 1.0 at regulator voltage set point. The base slope is modified by the Slope Multiplier to achieve a desired voltage roll-off characteristic. See Figure 3-3 for examples. Figure 3-2 Volts/Hertz Slopes vs. Knee Frequency Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...

  • Page 21: Generator Reverse Power Flow Alarm

    This feature is disabled if the timeout is set to 0.0 seconds. Refer to Section 8 – CAN Bus Interface for details. Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...

  • Page 22: Section 4 - Installation

    This cover prevents exposure and unintentional contact. This cover must be installed whenever the voltage regulator is energized. Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...
  • Page 23 Figure 4-1. DVR 2000E+ Dimensions with and without cover ® Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...
  • Page 24 Figure 4-1. DVR 2000E+ Dimensions with and without cover ® Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...

  • Page 25: Connections

    Figure 4-3 shows the quick disconnect terminal connections located on the rear panel of the 2000E+. ® Figure 4-3. DVR 2000E+ Rear Panel Connectors ® Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...
  • Page 26 Figure 4-6. See Figure 4-4 and Table 4-2 for terminal assignments. Note: All transform- ers should have the same CT ratio. Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...
  • Page 27 Droop disable contact input (active low) EXCITATION_OFF Excitation disable contact input (active low) AUX IN (-) Auxiliary input negative Table 4-3. Connector J1 System Connections Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...
  • Page 28 Figure 4-5. MODBUS Communication Port Terminal Positions Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...
  • Page 29 Table 4-4. MODBUS Communication Port Pin Functions Pin Number Function Name CAN High CAN_H CAN Low CAN_L CAN Ground CAN_GND Table 4-5. Connector J3 CAN Port Pin Functions Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...
  • Page 30 7. Sensing potential transformer is required if generator output voltage exceeds 600 Volts. Figure 4-7. Typical Connections with ABC Rotation, Three-Phase Voltage Sensing and Three-Phase Current Sensing Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...
  • Page 31 7. Sensing potential transformer is required if generator output voltage exceeds 600 Volts. Figure 4-8. Typical Connections with ABC Rotation, Three-Phase Voltage Sensing and Single-Phase Current Sensing Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...
  • Page 32 7. Sensing potential transformer is required if generator output voltage exceeds 600 Volts Figure 4-9. Typical Connections with ABC Rotation, Single-Phase Voltage Sensing and Single-Phase Current Sensing Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...
  • Page 33 7. Sensing potential transformer is required if generator output voltage exceeds 600 Volts. Figure 4-10. Typical Connections to a Single-Phase Generator Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...
  • Page 34 Figure 4-11. Cross-Current (Reactive Differential) Connections for Two Generators Figure 4-12. Cross-Current (Reactive Differential) Connections for Three or More Generators Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...

  • Page 35: Preliminary Set-Up On Generator

    6. A fter the initial adjustments are made, shut down the generator and reconnect the regulator leads removed in Step 3. The generator may be started and final adjustments may be performed on the regulator. Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...

  • Page 36: Preliminary Set-Up On Bench

    3. A t this time, initial adjustments can be made. If adjusting via the HMI, see “MAKING SETTINGS CHANGES” in Section 5. If adjusting via the Windows communication software, see Section 6. ® After the initial adjustments are made, disconnect the 120 Vac source and install the regulator onto the generator. The generator may be started and final adjustments may be performed on the regulator. Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...

  • Page 37: Section 5 - Human-Machine Interface

    This pushbutton stores the current value of the parameter being ENTER adjusted and returns the user to the main menu list. Table 5-1. DVR 2000E+ HMI Button Function Descriptions ® Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...

  • Page 38: Front Panel Display

    (See Appendix for description of Fault Codes) alarm code) Table 5-2. DVR 2000E+HMI STATUS Mode Display Descriptions ® Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...

  • Page 39: Making Settings Changes

    NOTE: While in STATUS mode, pressing either the UP or DOWN button places the regulator directly into EDIT mode. This feature allows a shortcut to set point adjustment. Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...

  • Page 40: Section 6 - Graphical User Interface

    To enable excitation, go to the Operating Modes sub panel of the Configure tab and click the “Excitation ON” button. Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...

  • Page 41: Save Config

    Note: The historical fault data will clear 15 seconds after regulator power-up or until another alarm or fault is detected. Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...

  • Page 42: Configuration Tab

    Selecting the appropriate frame size chooses proportional, integral and derivative gain values. These gain values are not editable. For editable custom gains, Generator Frame Size “CUST” should be selected. Choosing “CUST” will copy the gains from the previous frame size. The grayed gains will then become active for editing. Saving to EEPROM will store the edited gains to the user settings. Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...

  • Page 43: Set Points Sub Panel

    Example: A CT with an 800 A primary rating and a 5 A secondary rating would have a CT ratio of 160. Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice.

  • Page 44: Protection Settings Sub Panel

    Field Current Limit fault. Refer to Section 3 – Features and Protection for a detailed description of the Field Current Limiting protection feature. Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...

  • Page 45: Can Bus Configuration Sub Panel

    Customer Tag 2 is a 15-character string that can be stored to the regulator’s non-volatile memory when the Save to EEPROM button is pressed. Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...

  • Page 46: Section 7 - Maintenance And Troubelshooting

    PYN, the regulator is functioning properly. If the generator voltage still does not build, proceed to Step 6. Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...
  • Page 47 Refer to Section 3 – Features and Protection for more information about the Auxiliary Input function. If the low voltage condition is not caused by the auxiliary input, proceed to Step 9. Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...
  • Page 48 If the PMG leads are grounded, isolate them from ground. If the PMG leads are not grounded, proceed to Step 5. Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...
  • Page 49 Repeat Step 4 until all alarm conditions have been resolved. When the display shows a status of RUN, the regulator is functioning properly. If the generator voltage regulator is still poor, proceed to Step 5. Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...
  • Page 50 Further system troubleshooting may be required. If it is determined that the rest of the system is not the source of the problem, the DVR 2000E+ may need to be replaced. ® Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...
  • Page 51 If the generator is operating at the rated speed, proceed to Step 2. Step 2. Verify that the under frequency set point is correct. If the under frequency set point is incorrect, adjust it to the correct value. Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...
  • Page 52 Further system troubleshooting may be required. If it is determined that the rest of the system is not the source of the problem, the DVR 2000E+ may need to be replaced. ® Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...

  • Page 53: Section 8 - Can Bus Interface

    Priority has a default value of 0 but can be in the range of 0-5. Message transmission rates are editable as follows: • Metering Group (0.05 – 2.0 sec, default 0.3) • Control Group (0.025 – 1.0 sec, default 0.3) • Generator Status Group (0.5 – 15.0 sec, default 5.0) • Regulator Status Group (0.1 – 5.0 sec, default 1.0) Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...
  • Page 54 0xFF01 None CAN Heartbeat Command 0xFFA1 None Voltage or Current Set Point Adjustment Command 0xFFA2 None Excitation Enable/Disable Command Table 8-1. Summary of Message Identifiers and Data Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...

  • Page 55: Outbound Messages From Dvr®2000E

    LSB and MSB given by bytes 4 and 5 and the exponent is given by byte 6. See Message 0xFF39 For a similar representation of the CT Ratio Byte 7 Unused Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...
  • Page 56 LSB and MSB given by bytes 4 and 5 and the exponent is given by byte 6. See Message 0xFF19 For a similar representation of the PT Ratio Byte 7 Unused Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...
  • Page 57 Average Phase-C AC RMS Current (MSB) – this is the Most Significant Byte of the average phase-C root-mean-square current. (1 bit = 1 Arms) Byte 6-7 Unused Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...
  • Page 58 Average Phase-C AC RMS Current (MSB) – this is the Most Significant Byte of the average phase-C root-mean-square current. (1 bit = 0.001 Arms) Byte 6-7 Unused Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...
  • Page 59 0x01 – scaling for all voltages are 1 bit = 0.1 kVrms Note: this scaling also applies to output voltages in messages 0xFF19 Byte 7 Unused Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...
  • Page 60 Average Line-to-Line AC RMS Voltage Vca (MSB) – this is the Most Significant Byte of the average line-to-line AC root-mean-square voltage, Vbc. (1 bit = 0.1 Vrms) Byte 6-7 Unused Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...
  • Page 61 0x00 – scaling for all voltages are 1 bit = 0.1 Vrms 0x01 – scaling for all voltages are 1 bit = 0.1 kVrms Byte 7 Unused Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...
  • Page 62 Average Line-to-Neutral AC RMS Voltage Vc (MSB) – this is the Most Significant Byte of the average line-to-neutral root-mean-square voltage, Vc. (1 bit = 0.1 Vrms) Byte 6-7 Unused Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...
  • Page 63 LSB and MSB given by bytes 3 and 4 and the exponent is given by byte 5. This scale factor is multiplied by the quantity 0.001 V/bit to obtain the scaled value represented in bytes 1-2. Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...
  • Page 64 Generator Reactive 3-phase Power (MSB) – this is the Most Significant Byte of the generator total real power. (1 bit = 0.1kVAR) Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...
  • Page 65 Generator Reactive 3-phase Power (MSB) – this is the Most Significant Byte of the generator total real power. (1 bit = 1 VAR) Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...
  • Page 66 Regulator Temperature (MSB) – this is the Most Significant Byte of the regulator tem- perature in degrees C. (1 bit = 1 deg C, signed) Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...
  • Page 67 Tertiary Revision – the tertiary revision number of the regulator firmware. For Revi- sion 12.34.56, this byte is 56d. Byte 7 Unused; except for diagnostic and testing modes Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...
  • Page 68 0x06 – diagnostics and testing 0x07 – DEVICE_HIST (regulator is displaying historical fault data) 0x0E – diagnostics and testing Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...
  • Page 69 Bits 5, 4 - Generator Regulator Over Temperature Bits 3, 2 - Generator Loss of CAN Communication Bits 1, 0 - Unused Byte 7 Unused Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...

  • Page 70: Inbound Messages From Ecu1 Or Ecu2 Or Ecu3

    This is a fixed constant. If these bytes are not loaded with the given fixed constants, the reset will not take place. Byte 6-7 Unused Unused Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...
  • Page 71 Unused Unused Unused Unused Unused Unused Unused Unused 0xFF 0xFF 0xFF 0xFF 0xFF 0xFF 0xFF 0xFF Byte 0-7 Unused Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...
  • Page 72 Byte 7 Voltage Adjust (MSB) – If Regulation Mode is Automatic Voltage Regulation (3 or 1), this value represents the Most Significant Byte of a voltage adjustment as a signed quantity (1 bit = 0.1 V). If this voltage adjustment exceeds a threshold (+/-30% of the voltage regulation set point), it will be saturated. Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...
  • Page 73 0x01 – enables excitation, changing regulator to the Run state Any other value – no change Byte 1-7 Unused Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...

  • Page 74: Alarm Codes

    Instantaneous Field Over Current f008 Field Over Excitation f007 Regulator Over Temperature f006 Regulator Over Communication Table A-2. Fault Codes Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...

  • Page 75: Connector Pin-Out Figures And Tables

    Figure B-3. MODBUS Communication Port The following table should be used when making connections via quick disconnect terminals to the regulator. Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...
  • Page 76 Phase X1 Terminal X2 Terminal J2-1 J2-12 3-Phase J2-2 J2-11 J2-3 J2-10 1-Phase Table B-2. Current Transformer Connection Terminals Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...
  • Page 77 The following table should be used when making CAN communication connections to the regulator. Pin Number Function Name CAN High CAN_H CAN Low CAN_L CAN Ground CAN_GND Table B-5. Connector J3 System Connections Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...

  • Page 78: Quick Start Programming Guide

    9. Remove power form the regulator. 10. Completely reconnect the regulator to the generator. The regulator is now ready to be placed in service Marathon Electric (a division of RBC Manufacturing Corp.) reserves the right to change specifications and this manual without notice. Revised 06/2011...
  • Page 80 RBC Manufacturing Corporation 100 East Randolph Street (54401) P.O. Box 8003 • Wausau, WI 54402-8003 Ph: (715) 675-3311 • Fax: (715) 675-8026 Printed in U.S.A. GPN046 7038J - SK - 2K - 06/11 - FS A Regal Beloit Company...

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