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Publication 2364F-5.05 - March 1999

Testing Components

4-17

Figure 4.12
Check Points on AC Line and DC Bus (J, K, and L-code RGUs)

Figure 4.13
Check Points on AC Line and DC Bus (M and N-code RGUs)

DC Bus +

DC Bus -

L1

L2

L3

DC Bus -

DC Bus +

L1

L2

L3

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Summary of Contents for Bulletin 2364F

Page 1: ...Troubleshooting Guide Regenerative DC Bus Supply Unit RGU Bulletin 2364F Allen Bradley ...

Page 2: ...elines for the Application Installation and Maintenance of Solid State Control available from your local Allen Bradley office describes some important differences between solid state equipment and electromechanical devices that should be taken into consideration when applying products such as those described in this publication Reproduction of the contents of this copyrighted publication in whole ...

Page 3: ...ng This Manual 1 1 1336 FORCE Service Manuals 1 1 Basic Troubleshooting Techniques 1 2 Data Nameplates 1 2 Starting and Operating the RGU 1 4 Chapter 2 Troubleshooting The RGU RGU Conditions 2 1 Handling Unresolved Conditions 2 1 Unit Will Not Start 2 2 Unit Will Not Enable 2 3 Unit Overvoltage Overcurrent Trips 2 4 Chapter 3 Troubleshooting Faults and Warnings Contents 3 1 Faults and Warnings 3 1...

Page 4: ... Memory on the Main Control Board 4 6 Testing the Gate Driver Board 4 7 Testing the Isolation Board 4 10 Testing the Control Power Filter 4 12 Testing the Line RC Suppressor 4 13 Testing the DC Bus Suppressor 4 14 Testing MOVs 4 15 Testing Precharge Resistors 4 15 Testing IGBTs 4 16 Terminal Blocks 4 18 Appendix A Reference Information Contents A 1 Specifications A 1 Printed Circuit Boards A 4 Tes...

Page 5: ...ns contents of this manual related documentation Rockwell Automation support Who Should Use This Manual This manual is intended for qualified personnel who are responsible for servicing the Bulletin 2364F Regenerative DC Bus Supply Unit RGU If you do not have a basic understanding of this unit please refer to the applicable documentation and system schematics or contact your local Rockwell Automat...

Page 6: ...e repair or remove a drive system or its components You should only attempt the procedures in this manual if you are qualified to do so and are familiar with solid state control equipment and the safety procedures in publication NFPA 70E ATTENTION An incorrectly applied or installed drive system can result in component damage and or a reduction in product life Wiring or application errors such as ...

Page 7: ... and configuring the DeviceNet Communications Module Bulletin 1203 DeviceNet Communications Module User Manual 1203 5 3 Information for installing and configuring the Serial Communications Module Bulletin 1203 Serial Communications Module User Manual 1203 5 5 Information for installing configuring programming and troubleshooting the 1336 FORCE adjustable frequency AC drive 1336 FORCE Adjustable Fr...

Page 8: ...ery major country in the world Local Product Support Please contact your local Rockwell Automation representative for sales and order support product technical training warranty support support service agreements Technical Product Assistance If you need to contact us for technical assistance please review the appropriate product manuals and the troubleshooting information in this manual first For ...

Page 9: ...s installation instructions specifications and a parameter list 1336 FORCE Service Manuals In addition to RGU publications the 1336 FORCE service manuals shown in Figure 1 1 provide information for testing and replacing components within the RGU power structure See chapter 4 for more information Figure 1 1 1336 FORCE Service Manuals Note Most of the construction and components of the N code power ...

Page 10: ...recurring problems contact your local Rockwell Automation office for support Rockwell Automation support personnel can provide technical assistance and can offer information about hardware and software updates as they are made available Data Nameplates The data nameplate provides the electrical ratings for the RGU signifies the type of RGU and identifies the options that have been included in the ...

Page 11: ...Bus Supply Unit Current Code M 460V AC Input Basic Catalog String 1387 287387 CAT 2364FA MNB SER B 5HIHU WR XVHU PDQXDO IRU LQVWDOODWLRQ LQVWUXFWLRQV 2167 17 72548 541 460 678 3 50 60 524 683 749 DC 92 76 9 3 2364FA JNN 2364FA JNB 2364FA JNC 2364FA KNN 2364FA KNB 2364FA KNC J code RGU 380V AC J code RGU 460V AC J code RGU 575V AC K code RGU 380V AC K code RGU 460V AC K code RGU 575V AC 2364FA MNN ...

Page 12: ... the unit with a HIM GPT or other connected SCANport device ì Verify that all tools and debris are out of the unit ì With disconnect off check the line to ground and line to line AC voltage in the unit should be zero ì Check the line to ground resistance before and after the main contactor should be high ì Check the bus to ground resistance for each DC bus should be high ì Check the line to line A...

Page 13: ...he topic that most closely represents the condition of your unit Handling Unresolved Conditions If a condition cannot be resolved by the troubleshooting instructions in this manual contact your local Rockwell Automation office for additional support Conditions Handled in This Chapter Unit Will Not Start Unit Will Not Enable Unit Overvoltage Overcurrent Trips Damaged Components ...

Page 14: ...e the precharge fuses F2 F4 in good condition F9 F10 for J code RGU Replace both of the precharge fuses Test the precharge resistors as instructed in Chapter 4 Are the precharge resistors at their rated resistance Replace the damaged precharge resistors Test the IGBTs as instructed in Chapter 4 Are any of the IGBTs damaged Replace the damaged IGBTs Test and replace the gate driver board and snubbe...

Page 15: ...esolve the fault condition clear the fault and reset the RGU as necessary Do you want to enable the RGU with a HIM GPT or other SCANport device Check the HIM GPT and the cable Test the main control board Replace as necessary No Yes Yes Yes No Yes Set the Local Remote Selector to Local Only P8 0 Verify the En at Pwr Up fault is disabled P180 bit 3 0 and reset the RGU Did the unit pass the precharge...

Page 16: ... of overload application for the RGU Are the burden resistors on the isolation board at their rated resistance Test the main control board gate driver board and isolation board as instructed in Chapter 4 Replace as necessary No Yes No Yes No Yes Yes No Yes Push the disconnect lever to off and verify zero volts across the DC bus before testing the following items ATTENTION Are drives on the DC bus ...

Page 17: ... in Chapter 4 Are any IGBTs damaged Replace the damaged IGBTs Test and replace the gate driver board and snubber boards as necessary Are the DC bus fuse s in good condition Replace the damaged fuses No Yes Yes No No Yes Check the RGU for melted wiring Test the isolation board and gate driver board as instructed in Chapter 4 Replace as necessary Push the disconnect lever to off and verify zero volt...

Page 18: ...ocess shown in flowchart below See chapter 3 for details on handling specific faults and warnings Send an enable command by HIM GPT SCANport device Reset or restart the unit Troubleshoot hardware and firmware conditions Not OK Not OK Not OK Reinstall upgrade firmware and replace parts Clear the fault Resume normal operation OK Not OK OK OK OK OK ...

Page 19: ...ill continue normal operation with regard to the condition The RGU will indicate a situation as either a fault or warning according to the configuration of the fault warning select parameters When the RGU faults the HIM or GPT will immediately report the fault on screen Figure 3 1 Fault Announcement HIM Figure 3 2 Fault Announcement GPT Topics in this chapter Faults and Warnings How to Check the W...

Page 20: ...the Fault Queue HIM Typically the fault or fault queue will need to be cleared before the RGU can be enabled again To clear the fault queue choose Control Status then choose Fault Queue then choose Clear Queue as shown in Figure 3 4 The fault queue will clear and the unit can be enabled again a reset may be required to rectify any hardware or software conditions Figure 3 4 Clearing the Fault Queue...

Page 21: ...t e r e 3 1 9 0 0 L i n e V o d I n f o l 8 2 3 0 0 B u s F e e 0 6 0 I a c T o t d D i r R e v e r s e a S t s F a u l t e d F a u l t M 1 O p e n M a i n M e n u D S P _ M o d e 1 P a r a m e t e r M a i n M e n u H e l p 3 F a u l t Q u e u e 2 L i n k S u m m a r y i s a v a i l a b l e N o i n f o r m a t i 5 E E P R O M B R A M 4 W a r n i n g Q u e u e a t t h i s t i m e P r o c D s p y o ...

Page 22: ...To reset the RGU with a HIM choose Control Status then choose Reset Drive Figure 3 6 Resetting the RGU HIM To reset the RGU with a GPT press F3 while in the fault queue Figure 3 7 Resetting the RGU GPT To reset the RGU with other SCANport devices send a reset command through the Host Command Word P32 bit 7 C o n t r o l S t a t u s C h o o s e M o d e R e s e t D r i v e C o n t r o l S t a t u s ...

Page 23: ...ected Try restarting the RGU verify that all connections to the main control board are in place and check the main control board for any obvious damage or any debris which may be shorting circuitry If necessary try reinstalling the firmware or upgrade to the latest available firmware Replace the board and or send the board in for repair if the problem cannot be resolved 3 P174 bit 3 DSP Load Error...

Page 24: ...dback Calibration P144 and the DC Bus Low Setting P28 Check the bus for shorts to ground PE 12 P174 bit 12 Bus High W The DC bus voltage has exceeded the DC Bus High Setting P29 default 114 of nominal Verify the parameter setup Check the Frame Catalog Number P4 the Scaled Bus Feedback P143 the Bus Voltage Feedback Calibration P144 and the DC Bus High Setting P29 13 P174 bit 13 BRAM Chksum W The ch...

Page 25: ...f necessary replace the main control board and or send the board to Rockwell Automation for testing 21 P177 bit 5 Phase Lock L One or more phases from the AC line have lost power or have browned out The RGU can continue to operate until power is lost from two phases or until power becomes too low for the RGU to compensate to load If the phase s do not return verify that the circuit breaker is clos...

Page 26: ...mware or upgrade to the latest available firmware Replace the board and or send the board in for repair if the problem cannot be resolved 34 P180 bit 2 Watchdog W The host processor was reset due to a watchdog situation Try resetting restarting the RGU when possible Verify that all connections to the main control board are in place and check the main control board for any obvious damage or any deb...

Page 27: ...ce the board and or send the board in for repair if the problem cannot be resolved 44 P180 bit 12 Addr Bus Err An address bus error has been detected on the main control board Clear the fault and try resetting restarting the RGU verify that all connections to the main control board are in place and check the main control board for any obvious damage or any debris which may be shorting circuitry If...

Page 28: ...r an extended period of time 51 P183 bit 3 Reset Req d W The RGU recognizes that a reset is required Reset the RGU Either shut down the RGU and restart or reset the RGU through a HIM or GPT 52 P183 bit 4 NTC Open W The RGU has detected that the circuit for the NTC bridge thermal sensor is open Verify that the NTC wiring is in good condition Check the connection on the main control board J2 If nece...

Page 29: ... the Power Structure Testing the Main Control Board Testing the Gate Driver Board Testing the Isolation Board Testing the Control Power Filter Testing the Line RC Suppressor Testing the DC Bus Suppressor Testing MOVs Testing Precharge Resistors Testing IGBTs Terminal Blocks ATTENTION Do not attempt to alter or modify any printed circuit boards in the RGU Any attempt to alter or modify boards may r...

Page 30: ...re differs from the 1336 FORCE in the following regards The power structure has an isolation board in place of the 1336 FORCE precharge board The power structure has an RGU main control board in place of the 1336T main control board standard adapter board and HIM mounting bracket The power structure does not include SCRs SCR heatsinks SCR snubber boards or the SCR cooling fan The power structure d...

Page 31: ... full listing of test points and a detailed drawing of the main control board can be found in Appendix A Important Always record or store parameters before replacing the main control board upgrading firmware or replacing the battery for the battery backed memory parameters can be stored in the internal memory of a GPT or Series B HIM or can be stored on a PC using DriveTools x x x x x x x Main Con...

Page 32: ... control board and isolation board 15V 15V Host Fault 5V Enable DSP Fault R2R OK SCANport OK 15V 15V Host Fault 5V Enable DSP Fault R2R OK SCANport OK 15V 15V Host Fault 5V Enable DSP Fault R2R OK SCANport OK The LEDs should be illuminated as shown when Normal Operation the unit is enabled Check the fault queue if either of the fault LEDs Fault LED s are Illuminated Reinstall firmware if the host ...

Page 33: ...r upgrading to the latest available firmware If the board has failed any of these tests or if the unit continually faults with the items shown in Table 4 D the board may be damaged Consider replacing the board and or sending the board to Rockwell Automation for repair Table 4 D AC Line Feedback Test Points Main Control Board Rated Line Voltage Typical Voltage at Test Points 380V AC 1 08 to 1 21V A...

Page 34: ...here is no voltage across the terminals and subcomponents of the main control board 4 Put on an electrostatic discharge ESD protective strap and connect the strap to one of the door latches 5 Grasp the battery from the top and bottom and gently pull the battery off of U11 as shown in Figure 4 3 note the orientation of the battery 6 Gently press the new battery into place the battery can only be in...

Page 35: ...esting Components 4 7 Testing the Gate Driver Board The gate driver board turns the IGBT gates on and off and supplies power to the main control board and isolation board Figure 4 4 Accessing the Gate Driver Board Remove screws and nuts ...

Page 36: ...the DC bus 2 Verify that there is no voltage across the DC bus see Figure 4 12 and Figure 4 13 for check points 3 Disconnect all wiring from the main control board J2 J3 J9 J10 J11 J12 and TB1 4 Remove the mounting panel for the main control board see Figure 4 4 5 Test fuses F1 and F3 on the gate driver board If a fuse is damaged replace the board the damaged board can be sent to Rockwell Automati...

Page 37: ...the readings do not comply with Table 4 E replace the gate driver board Note If the gate driver board is damaged IGBTs and snubber boards may also need to be tested If the board has failed any of these tests or if the unit continually faults with the items shown in Table 4 F the board may be damaged Consider replacing the board and or sending the board to Rockwell Automation for further testing an...

Page 38: ...illustration of the isolation board can be found in Appendix A 1 Push the disconnect lever to off and wait for all voltage to discharge from the unit Do not continue until all voltage has dissipated from the DC bus 2 Verify that there is no voltage across the DC bus see Figure 4 12 and Figure 4 13 for check points 3 Verify that there is no voltage across the terminals and subcomponents of the isol...

Page 39: ...ero after precharge If the board has failed any of these tests or if the unit continually faults with the items shown in Table 4 H the board may be damaged Consider replacing the board and or sending the board to Rockwell Automation for repair Table 4 H Typical Faults Possibly Involving Isolation Board Current Code Rated Input Voltage Rated Resistance Acceptable Readings J 380 460 8 87 ohm 8 84 9 ...

Page 40: ...he DC bus see Figure 4 12 and Figure 4 13 for check points Verify that there is no voltage across the subcomponents of the control power filter Set meter for resistance and check the resistor For 4 kHz filters the resistance should be 0 8 1 4 ohms 1 ohm rating For 2 kHz filters the resistance should be 1 3 1 9 ohms 1 5 ohm rating Check the continuity between C1 1 and the connection point for the c...

Page 41: ...points 3 Verify that there is no voltage across the subcomponents of the suppressor 4 Check the board fuses and any associated wiring for visible damage burn marks or damaged subcomponents 5 Remove fuses F14 F15 and F16 6 Set meter for resistance and test each resistor on the board Each resistor should read 670 700 k ohm 680 k ohm rating 7 Reinstall fuses F14 F15 and F16 Check the fuses with a met...

Page 42: ...nents of the suppressor 4 Check the suppressor and any associated wiring for visible damage burn marks or damaged subcomponents 5 Check the resistance between the top of each capacitor with respect to the PE terminal The meter should show 8 10 ohms 6 Set meter for resistance and test each resistor The two middle resistors should read 8 5 9 5 k ohms 9 k ohm rating The two outer resistors should rea...

Page 43: ...to the internal capacitors during the precharge routine 1 Push the disconnect lever to off and wait for all voltage to discharge from the unit Do not continue until all voltage has dissipated from the DC bus 2 Verify that there is no voltage across the DC bus see Figure 4 12 and Figure 4 13 for check points 3 Check the precharge fuses 4 Set meter to check resistance Disconnect and check each of th...

Page 44: ...ith respect to DC Bus 4 Test the resistance of L1 L2 and L3 with respect to DC Bus Again J K and L code RGUs should read over 500 k ohms while M and N code RGUs should read 5 to 10 k ohms 5 Set meter to check diodes Take a reading of L1 to DC Bus with negative lead on the DC bus A reading of 0 2 to 0 4 volts should be seen Test the other two lines with respect to DC Bus 6 Take a reading of L1 to D...

Page 45: ... 5 05 March 1999 Testing Components 4 17 Figure 4 12 Check Points on AC Line and DC Bus J K and L code RGUs Figure 4 13 Check Points on AC Line and DC Bus M and N code RGUs DC Bus DC Bus L1 L2 L3 DC Bus DC Bus L1 L2 L3 ...

Page 46: ...I O can be found in publication 2364F 5 01 N code RGUs also include an additional terminal block TB3 This terminal block is dedicated for motor operated circuit breaker wiring Figure 4 14 Terminal Blocks TB1 and TB2 Customer Controls Fault Relay CR2 TB2 TB1 1 2 1 2 1 2 1 2 3 4 3 4 5 6 5 6 7 8 7 8 9 10 9 10 150Ω typ Power Transformer Grounded Wye Secondary 10 12 2 4 Ground Fault Detection Option VM...

Page 47: ...cy Tolerance 45 to 65 Hz AC Input Voltage Tolerance 10 Motoring Output Current Overload 150 of rated current for 60 seconds Regenerating Output Current Overload 150 of rated current for 60 seconds 150 of rated current for 30 seconds 380 460V AC N code RGUs at 40 C or 575V AC N code RGUs at 30 C Output Voltage Variation 10 maximum for a 100 DC output current step load change Resolution of Output Vo...

Page 48: ...380 330 217 564 363 211 2 0 5 0 M 380 678 447 564 746 433 5 0 5 0 N 380 906 596 564 997 578 5 0 10 0 J 460 77 61 683 85 59 2 0 5 0 K 460 182 145 683 201 141 2 0 5 0 L 460 330 263 683 364 255 2 0 5 0 M 460 678 541 683 749 524 5 0 5 0 N 460 906 722 683 1000 700 5 0 10 0 J 575 77 62 848 88 74 2 0 5 0 K 575 182 181 848 201 170 2 0 5 0 L 575 286 285 848 326 276 2 0 5 0 M 575 602 600 848 686 582 5 0 5 0...

Page 49: ... 80 100 M 460 24000 137 1526 4 55 820 3 75 4 02 80 110 N 460 24000 102 2039 4 55 820 3 75 3 01 80 110 J 575 2860 1853 140 4 55 1025 4 69 11 0 80 100 K 575 6000 832 409 4 55 1025 4 69 7 50 80 100 L 575 15000 404 644 4 55 1025 4 69 7 15 80 100 M 575 24000 191 1354 4 55 1025 4 69 4 53 80 110 N 575 24000 144 1805 4 55 1025 4 69 3 40 80 110 Frame Size Ø A B C D E F G H HP Ø 0 5 1 1 5 2 3 5 7 5 10 15 20...

Page 50: ...6 x TP7 x TP8 x TP9 x TP10 x TP11 x TP12 x TP13 x TP14 x TP15 x TP16 x TP17 x TP18 x TP19 x TP21 x TP22 x TP20 x TP23 x TP26 x TP27 x TP28 x TP29 x TP30 x TP31 x TP32 x TP33 x TP34 x TP35 x TP36 x TP37 x TP24 x TP25 x To Laptop PC Used Only for Upgrading Firmware To SCANport Device To SCANport Device To NTC Bridge Thermal Sensor Available for User Connections To Isolation Board J2 To TE To Gate Dr...

Page 51: ...1 J7 1 F3 J13 1 TB7 1 1 J2 1 To Main Control Board J3 To DC Bus Not Used Not Used Not Used Not Used Not Used To Power Module Snubber Boards To Power Module Snubber Boards To PE TB3 1 J7 1 J2 1 TB4 1 TB6 1 TB5 1 J1 1 P1 SW1 115V TB2 1 TB1 1 To AC Line DC Bus To Main Control Board J12 To Current Transducers LEMs To M1 M2 TR1 To Control Circuitry See note below To PE Note TB2 is only used in Series B...

Page 52: ...5 4V DC TP21 ISS Simulated S Phase Current 1 95V AC Rated Currnt 1 75 to 2 15V AC at full load TP22 IR Line Current R 1 95V AC Rated Currnt 1 75 to 2 15V AC at full load TP23 AGND Analog Ground TP24 IT Line Current T 1 95V AC Rated Currnt 1 75 to 2 15V AC at full load TP25 IS Line Current S 1 95V AC Rated Currnt 1 75 to 2 15V AC at full load TP26 15V 15V Power Supply 1 1 14 4 to 15 4V DC TP27 ANIN...

Page 53: ...C TP4 5V 5V Reference 1 1 4 8 to 5 4V DC TP5 15V 15V Reference 1 1 14 4 to 15 4V DC TP6 15V 15V Reference 1 1 14 4 to 15 4V DC TP7 DGND Digital Ground TP8 ISO12 Tachometer Encoder Not Used TP9 ISO12RTN Tachometer Encoder Not Used TP10 PS IN Power Supply In 1 1 rated DC bus voltage TP14 EXT External Resistor Discharge Not Used TP16 PS IN Power Supply In 1 1 rated DC bus voltage TP17 24V 24V Power S...

Page 54: ...D R2R RXD 2 1 6 5 3 4 8 7 1 2 6 3 4 5 7 8 J7 J1 1 2 6 4 3 5 7 8 J10 9 1 2 3 4 6 5 7 J9 9 8 SCAN PORT ID 2 SCAN PORT ID 1 15V 15V 15V EXT_ENABLE PHASE R VOLTAGE BUS CONTROL RELAY COM 5V EXT_MAIN SPARE BUS NEUTRAL MINUS BUS PLUS BUS AUX CONTROL RELAY AUX CONTROL RELAY BUS CONTROL RELAY PHASE T VOLTAGE PHASE S VOLTAGE PHASE VLOTAGE NEUTRAL EXT_CLR_FAULT LEM INTERLOCK 15V PHASE R 15V PHASE R PHASE R L...

Page 55: ...8 39 12 23 29 30 31 32 33 24 27 25 26 28 J3 19 18 20 21 22 14 13 16 15 17 1 10 7 9 8 11 4 3 2 5 6 OLD INTLOCK TO GATE INTERFACE BOARDS NOT USED NOT USED FROM HEATSINK NTC FROM HEATSINK NTC 1 2 J2 J11 TO TE GND NOT USED USER DCD USER RECEIVE DATA J13 2 1 4 3 USER TRANSMIT DATA USER DTE USER RTS USER CTS USER DSR SIGNAL GROUND 8 7 5 6 USER RING 9 J1 DSP BACKGROUND CONNECTOR J6 HOST BACKGROUND CONNEC...

Page 56: ...erence 96 139 Bus Volt in Sel 14 Bit A D Chan2 38 DSP DC Bus 60 DSP avg DC Bus 61 138 Leadlag Gain kn 137 Leadlag Freq wn 130 AutoRef Tracking Base DC Bus Volt 16 Nom Line Voltage 10 Line Voltage 14 207 Bus Volt Cmd 123 Volt Mode Sel 122 Aux Volt Cmd Bus Ref Auto 129 124 Min Bus Ref 125 Max Bus Ref Bus Rate Ref 126 Ref Change Rate 127 Bus Reference 128 Bus Feedback 141 Bus Rate 4096 Base DC Bus Vo...

Page 57: ...Cur Lim 98 Neg Current Lim 92 Abs Junct Temp 86 Heatsink Temp 87 H S HighTemp 183 H S Overtemp 174 iq Foldback 174 85 JC Temp Rise 83 it Fldbk Cur Lim 35 Aux Limit 88 Aux iq Limit 35 Regen Only Pos Current Lim 91 Net Pos Cur Lim 97 Cur Limiter 100 ms LPF Max Min 1 1 Max Pos Max Pos 10 I2t 1 0 0 1 0 Linearizer bus_fb eac_line Intg gain ki 8 S Prop gain kp 8 Error Limiter 100 Rated AC Current 5120 1...

Page 58: ... Address Iq Mode Select RGU to RGU Transmit Indirect 1 RGU to RGU Transmit Indirect 2 Current Loop Bandwidth RGU to RGU Receive1 Indirect 2 0 1 0 0 0 96 20 1000 0 1 0 89 1 2 0 0 1000 20 2 0 0 0 0 0 0 1200 0 Master Slave Stand alone Notes Master set to transmit Slave set to receive to P89 Aux Iq Command Slave set to receive Slave set to Aux Iq Command Master set to transmit P96 Iq Reference Master ...

Page 59: ...are which indicate the hardware status to the control logic Gate Driver Board The RGU gate driver board is responsible for modulating the power modules and supplying power to the control boards The gate driver board is interfaced with the main control board Graphic Programming Terminal GPT A programming terminal with a graphical LED display and a pushbutton keyboard which is used to program contro...

Page 60: ... AC circuit Power Module A transistor used in the RGU and 1336 products to convert regulated power between AC and DC See also insulated gate bipolar transistor IGBT Power Structure A 3 phase power bridge built in the RGU which converts AC to DC motoring current and DC to PWM AC regenerative current The power structure includes control boards a precharge circuit a power bridge and a capacitor bank ...

Page 61: ...s 2 6 3 2 3 3 3 5 3 6 3 7 3 8 3 9 3 10 G Gate driver board 4 7 4 8 4 9 Graphic Programming Terminal GPT 2 3 3 1 3 3 3 4 H Human Interface Module HIM 2 3 3 1 3 2 3 4 I IGBTs power modules 2 5 4 16 Isolation board 4 10 4 11 L LED indicators 4 4 Line RC suppressor 4 13 Local mode 1 4 2 3 Loud discharge 2 5 M M1 Open 3 6 Main control board 4 3 4 4 4 5 MOVs 4 15 P Power modules 2 5 Power structure 4 2 ...

Page 62: ...nings 2 6 3 2 3 3 3 5 3 6 3 7 3 8 3 9 3 10 Gate driver board 4 7 4 8 4 9 IGBTs power modules 4 16 Isolation board 4 10 4 11 Line RC suppressor 4 13 Main control board 4 3 4 4 4 5 MOVs 4 15 Precharge resistors 4 15 Unit overvoltage overcurrent trips 2 4 Unit will not enable 2 3 Unit will not start 2 2 U Unit overvoltage overcurrent trips 2 4 Unit will not enable 2 3 Unit will not start 2 2 ...

Page 63: ...Publication 2364F 5 05 March 1999 Index I 3 ...

Page 64: ...Publication 2364F 5 05 March 1999 PN 192693 Supersedes Publication 2364F 5 05 January 1999 1999 Rockwell International Corporation Printed in the U S A ...

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