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AFE Controller User`s Manual

1. 19 3 1 2 3 Error aeta ERR d ee D napa Ea 19 3 1 2 4 DCLink Voltage Sensing 19 3 1 2 5 DC Link Hardware Over Voltage 19 3 1 2 6 Hardware Over Current and Desaturation 19 3 1 2 7 Current Sense 19 3 1 2 8 Temperature Sense 5 20 3 13 3J8 Relay Driver Interface 20 3 1 4 J9 Contactor Status 20 3 15 123 Voltage Feedback roro 21 3 16 25 Bi s Power 1 21 3 1 7 J4 External Temperature 22 3 1 8 P2 Isolated CAN Bus 22 3 1 8 1 118 19 CAN Termination 5 entren 22 3 2 Electrical IM erna ES serosa 24 3 3 Mechanical Interface iiiter conta AN 46 25 4 Parameter Register Interface cc
2. 28 4 2 1 9 Isolated Digital Output Control 29 4 2 2 Instrumentation REGISTELS ccccccccecccecececececeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeess 29 4 2 201 DC DC Operating State sse enne 30 4 2 2 2 DC DC Control MOGe 2 1 te tera 30 4 2 2 3 Input Voltage 30 4 2 2 4 Input Voltage Externnal ccccccccccccssssssssececececsssesseaeeeeecssseseaeaeeeescesseseaaeseeeessessesenaeess 30 42 2 5 Output Voltage 30 4226 Current Phase A ssec iiti tie apad sanat 31 4 2 2 7 Output C nrent sess isesi 31 4 2 2 8 IGBT Ternperatute euo Ree aae ao e eamus ua 31 4 2 2 9 Auxiliary 31 242 210 Contactor Status ese er tree eio erat 31 42211 WANING Status css r eae nena brass ek envase typus 31 42 212 Status E REN Ra eat ele ON RENE RAS 32 4 2 2 13 Register Operation Status ccccccccccccccececececeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeseeeseeeeeeeess 33 Interleaved Buck Boost DC DC Controller User s Manual Table of Contents i 4 2 2 14 DSP Software Revision Major Minor esee 33 4 2 2 15 FPGA Fir
3. 12 PEE 12 2 4 Fault and Warning Conditions nnn 12 2 4 1 cud ecuieetonacbuctuescameccedebeesedecuiveneteeduetsencue 12 2 4 1 1 High Phase Cu rternt etate octo eea deese eoe eter eae toon 13 2 4 1 2 High Output Current 13 2 4 1 3 IGBT High 13 2 4 1 4 Auxiliary 13 2 4 1 5 High Input 13 2 4 16 X High Output 13 2 4 1 7 Local Bias Supply Tolerance Warnings sess enne 13 2 4 1 8 Low input Voge scenene HM 14 Urge 14 2 4 2 1 IPM Hardware Over Temperature 14 2 4 2 2 IPM IGBT ENOT ai ine c 14 2 4 2 3 IPM Software 14 2 4 2 4 Software Phase 14 2 4 2 5 Software Output 14 2 4 2 6 Software Vin
4. 4 3 3 1 A Neutral Voltage Measurement Full Scale This parameter defines the full scale value of the voltage sensed using the Phase A to Neutral connections of the Isolated High Voltage Sense interface on J23 When the converter is configured for the Boost topology via the Default Control Topology configuration parameter PID 0x8033 this interface is used to measure the input voltage When configured for the Buck topology the interface is used to measure output voltage This full scale value is relative to the signal at the DSP s ADC input that would cause a full scale ADC reading i e ADC reading of OxFFF 4 3 3 2 B Neutral Voltage Measurement Full Scale This parameter defines the full scale value of the voltage sensed using the Phase B to Neutral connections of the Isolated High Voltage Sense interface on J23 When the precharge feature is enabled via the Precharge Enable configuration parameter PID 0x8098 this interface is used to measure the input source voltage that is the voltage input to the precharge circuitry This full scale value is relative to the signal at the DSP s ADC input that would cause a full scale ADC reading i e ADC reading of OxFFF Publication UM 0048 40 Parameter Register Interface 4 3 3 3 IPM Voltage Measurement Full Scale This parameter defines the full scale value of the IPM high voltage measurement signal on J11 When the converter is configured for the Boost topol
5. 47 4 3 8 Auxiliary Temperature Monitor 48 4 3 8 1 Auxiliary Temperature Sensor 48 4 3 8 2 IPM Temp Coefficients A B C Bias Resistor Bias 48 4 3 9 Voltage Regulator 48 4 3 9 1 Voltage Command Slew 49 4 3 9 2 Voltage Controller Gain Constants 49 4 3 9 3 Current Limit 49 4 3 10 Current Regulator Parameters cccccccccccsssssssscecececessessaeseceescesseaseeeeeessesseseaaeeeeeeseeesesenaees 50 4 3 10 1 Current Command Slew 50 4 3 10 2 Current Controller Gain Constants 50 4 3 10 3 Nominal Feed Forward 51 4 3 11 Pre charge 2 2 51 4311 1 Pre charge Enable te erue rao esit vec caves oe d e 51 4 3 11 2 Contactor Enables 4 rris iiie tette reas eere ese apa ener ne e tage nena eee aM de aeneis 52 4 3 11 3 Contactor Monitor 52 4 3 11 4 Connect Voltage Threshold ccccccccsecssssscecececsssesseaecececesseseaeaeeececessesesaeseeeeseesseseaaeess 52 4 3 11 5 Contactor Debounce
6. reticere eerie cente bes ene eene ne nea 52 4 3 11 6 Contactor Close ciere ee sedeo etant ee AAN Mana eee rade na 52 4 3 11 7 Pre charge Timeout 52 4 3 12 Instrumentation 53 4 3 12 1 Low Pass Cutoff Freq Input Voltage sessi nns 53 4 3 12 2 Low Pass Cutoff Freq Output Current esssssssssseeeee ener nnne niin 53 Interleaved Buck Boost DC DC Controller User s Manual Table of Contents 4 3 12 3 Low Pass Cutoff Freq Output Voltage 53 4 3 12 4 Low Pass Cutoff Freq 53 5 Maintenance and Upgrade eesssssssssosssscesssesesssssscssesscossssosssssescssesseessssossssscosssesesseese 53 Warranty and Product eene eene nennen nennen nennen nennen nnno nennen 54 Return Material Authorization Policy e lecce ee ee eene ee eene eene eene nnn nennen nennen nenne 56 Publication UM 0048 Table of Contents Table of Figures Figure 1 Interleaved Buck Boost System Schematic essen eene 8 Figure 2 Pre Charge
7. 15 2 4 2 7 Software Vin 15 2 4 2 8 Software Output Over Voltage ccccessccccccecsssessnseseceeecessesesaeeeeeescesseseeaeeeeeessessessaaees 15 2 4 2 9 Software Auxiliary Over Temperature 15 2 4 2 10 Calibration Error Ea ORAETES 15 2 4 2 11 Precharge Timeout cccccccccccssssssssececeeecessesssaeseceescesseseaeeeceescessesaeseeeeeesssssessaaeess 15 2 4 2 12 Precharge Contactor ErrOr ccccccccccssssssscecececessessaececeeecessesesaececeescesseaeaeeeesesssssessaaeees 15 2 4 2 43 ENOT 15 2 4 2 14 Relay Driver Hardware Error 16 2 4 2 15 Communications 16 2 4 2 16 Configuration Memory 16 3 OZDSP3000 Hardware Interfacing 16 3 1 Application Interfaces ar essi tenia assa 17 3 1 1 J11 SKiiP Power Module Interface 17 3 1 2 Custom Driver Interface Considerations enne enne nnns 18 Publication UM 0048 SS Table of Contents 3 1 2 1 Joc E 18 3 1 2 2 Switch
8. PID Description Units in Min Max n Ox80A0 U16 Low Pass Cutoff Freq Input Voltage 1Hz 5 1 5000 RW Ox80A1 U16 Low Pass Cutoff Freq Output Current 1Hz 5 1 5000 RW Ox80A2 U16 Low Pass Cutoff Freq Output Voltage 1Hz 5 1 5000 RW Ox80A3 U16 Low Pass Cutoff Freq Temperatures 1Hz 2 1 5000 RW 4 3 12 1 Low Pass Cutoff Freq Input Voltage This parameter defines the cutoff frequency for the digital low pass filter used to calculate the input voltage 4 3 12 2 Low Pass Cutoff Freq Output Current This parameter defines the cutoff frequency for the digital low pass filter used to calculate the output current 4 3 12 3 Low Pass Cutoff Freq Output Voltage This parameter defines the cutoff frequency for the digital low pass filter used to calculate the output voltage 4 3 12 4 Low Pass Cutoff Freq Temperatures This parameter defines the cutoff frequency for the digital low pass filter used to calculate the inverter and auxiliary temperatures 5 Maintenance and Upgrade The firmware image on the OZDSP3000 can be upgraded in system using the resident CAN bootloader For detailed information on how to upgrade the firmware or directly interface with the bootloader please reference UM 0015 Oztek TMS28x CAN Bootloader User s Manual Publication UM 0048 Warranty and Return Warranty and Product Information Limited Warranty What does this warranty cover and how long
9. Reg Dutymax Optional Interleaved Phase Control PWMc Vout measured Ic measured Figure 4 Interleaved Voltage Controller Interleaved Buck Boost DC DC Controller User s Manual Functional Description 2 3 State Sequencing A state machine is used to provide deterministic control and sequencing of the DC DC converter hardware If a fault is detected in any of the operating states the hardware is placed into a safe condition and the state machine is latched into the Fault state Figure 5 illustrates the operating states as well as the transition logic employed in the system state machine Fault Detected Initialization Complete Fault Detected Calibrate DC Input Voltage out of Spec Fault Reset amp Cal Not Complete Fault Reset amp Cal Complete Fault Detected Detected Enabled Detected Charge Complete Fault On Command Detected Vin out of Spec Off Command Figure 5 System State Machine 2 3 1 Initialize The state machine resets to the nitialize state following a power on reset POR event While in this state the power hardware is not operable the firmware is initializing hardware peripherals configuring variables and performing self health tests Upon successful initialization the state machine will auto transition to the Calibrate state Publication
10. Publication UM 0048 OZDSP3000 Hardware Interfacing e Current 4 5A maximum Inrush current while powering three SKiiP modules 3 1 7 J4 External Temperature Input Connector J4 may optionally be used by the user to connect an external temperature sensor for monitoring purposes such as a cabinet s internal ambient temperature This interface provides connections for a typical 10kO thermistor Table 7 Pin Assignment Pin Description 1 Temperature input pulled up to 3 through 2 2 Ground 24V Return e OZDSP3000 Connector Part Number Molex Micro Fit 2 Position Header 43650 0215 e Mating Connector Part Number Molex Micro Fit 2 Position Receptacle 43645 0200 3 1 8 P2 Isolated CAN Bus Interface Connector P2 provides an isolated CAN Bus communications interface The interface is a shielded female DB9 style connector Table 8 P2 CAN Bus Pin Assignment Pin Description 2 CAN Low 3 CAN Ground Isolated 7 CAN High e OZDSP3000 Connector Part Number AMP 747844 5 e Mating Connector Part Number Industry Standard DB9 Male 3 1 8 1 18 19 CAN Termination Jumpers Jumper blocks J18 and J19 provide a means to terminate the CAN bus lines CAN high CANH and CAN low CANL Note that termination should only be placed at the end terminals of the CAN communication network reference Figure 7 Interleaved Buck Boost DC DC Controller User s Manual OZDS
11. 4 3 11 2 Contactor Enables This parameter is used to determine which contactors are present and should be controlled by the converter The enumerated values for this parameter are as follows 0 No Contactor Control e 1 Control Pre charge Contactor only 2 Control Input Contactor only 3 Control Both Contactors 4 3 11 3 Contactor Monitor Enables This parameter is used to determine if contactor feedback monitors are enabled If enabled the converter will monitor the state of the contactors If the contactor state does not match the commanded state at any point in time the converter will go to the FAULT state The enumerated values for this parameter are as follows 0 monitoring i e no contactor feedback is provided or checked e 1 Monitor Pre charge Contactor only e 2 Monitor Input Contactor only e 3 Monitor Both Contactors 4 3 11 4 Connect Voltage Threshold This parameter defines the voltage threshold to charge to as a percentage of the voltage source input measurement prior to closing the main input contactor if enabled 4 3 11 5 Contactor Debounce Time This parameter is used to specify the debounce time for both the main input contactor and the pre charge contactor This field is used to delay reporting a change of state in the contactor prior to considering the change valid 4 3 11 6 Contactor Close Time This parameter is used to specify the actuation time for both the main input contactor and the
12. Interleaved Buck Boost DC DC Controller User s Manual UM 0048 11 Continental Blvd Merrimack NH 03054 v 603 546 0090 f 603 386 6366 oztekcorp com Jo pue About Oztek Oztek Corp is proven innovator of power control and instrumentation solutions for the most demanding industrial applications Oztek products include variable motor drives grid tie inverters frequency converters standalone inverters DC DC converters and DSP based control boards for power control applications Trademarks OZDSP3000 is a trademark of Oztek Corp Other trademarks registered trademarks and product names are the property of their respective owners and are used herein for identification purposes only Notice of Copyright Oztek Interleaved Buck Boost DC DC User s Manual October 2014 Oztek Corp rights reserved Exclusion for Documentation UNLESS SPECIFICALLY AGREED TO IN WRITING Oztek Corp Oztek A MAKES NO WARRANTY AS TO THE ACCURACY SUFFICIENCY OR SUITABILITY OF ANY TECHNICAL OR OTHER INFORMATION PROVIDED IN ITS MANUALS OR OTHER DOCUMENTATION B ASSUMES NO RESPONSIBILITY OR LIABILITY FOR LOSSES DAMAGES COSTS OR EXPENSES WHETHER SPECIAL DIRECT INDIRECT CONSEQUENTIAL OR INCIDENTAL WHICH MIGHT ARISE OUT OF THE USE OF SUCH INFORMATION THE USE OF ANY SUCH INFORMATION WILL BE ENTIRELY AT THE USER S RISK THIS MANUAL IS IN ANY LANGUAGE OTHER THAN ENGLISH
13. 4344 Control Topology etre sete ioc cock 41 4 3 5 Fault and Warning Parameters sess eene nnne enne eene 41 4 3 5 1 Input Under Voltage Fault 4 41 4 3 5 2 Input Under Voltage Warning Threshold 42 4 3 5 3 Input Under Voltage Recover 42 4354 Input Over Voltage Fault 9 42 4 3 5 5 Input Over Voltage Warning Threshold 42 4 3 5 6 Input Over Voltage Recover 42 4 3 5 7 Output Over Voltage Fault 4 42 4 3 5 8 Output Over Voltage Warning Threshold esses nnne 42 4 3 5 9 Output Over Voltage Recover Threshold eese enne 42 4 3 5 10 Output Over Current Fault 4 42 4 3 5 11 Output Over Current Fault 43 Publication UM 0048 Table of Contents 4 3 5 12 Output Over Current Warning 9 43 4 3 5 13 Output Over Current Recover Threshold eese enne 43 4 3 5 14 Phase Over Current Fault Threshold 43 4 3 5 15 Phase Over Current Fault 43 4 3 5 16 Phase Over Current Warning 9 43 4 3 5 17 Phase Over Current Recover Threshold esee 43 4 3 5 18 IPM Temperature Fault 9 44 4 3 5 19 IPM Temperature Warning 14 44 4 3
14. The product if its original identification trade mark serial number markings have been defaced altered or removed f The product if it is located outside of the country where it was purchased g Any consequential losses that are attributable to the product losing power whether by product malfunction installation error or misuse Disclaimer Product THIS LIMITED WARRANTY IS THE SOLE AND EXCLUSIVE WARRANTY PROVIDED BY OZTEK IN CONNECTION WITH YOUR OZTEK PRODUCT AND IS WHERE PERMITTED BY LAW IN LIEU OF ALL OTHER WARRANTIES CONDITIONS GUARANTEES REPRESENTATIONS OBLIGATIONS AND LIABILITIES EXPRESS OR IMPLIED STATUTORY OR OTHERWISE IN CONNECTION WITH THE PRODUCT HOWEVER ARISING WHETHER BY CONTRACT TORT NEGLIGENCE PRINCIPLES OF MANUFACTURER S LIABILITY OPERATION OF LAW CONDUCT STATEMENT OR OTHERWISE INCLUDING WITHOUT RESTRICTION ANY IMPLIED WARRANTY OR CONDITION OF QUALITY MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE TO THE EXTENT REQUIRED UNDER APPLICABLE LAW TO APPLY TO THE PRODUCT SHALL BE LIMITED IN DURATION TO THE PERIOD STIPULATED UNDER THIS LIMITED WARRANTY IN NO EVENT WILL OZTEK BE LIABLE FOR a ANY SPECIAL INDIRECT INCIDENTAL OR CONSEQUENTIAL DAMAGES INCLUDING LOST PROFITS LOST REVENUES FAILURE TO REALIZE EXPECTED SAVINGS OR OTHER COMMERCIAL OR ECONOMIC LOSSES OF ANY KIND EVEN IF OZTEK HAS BEEN ADVISED OR HAD REASON TO KNOW OF THE
15. calibration There is likely an issue with the control board hardware if this error occurs in which case the board should be sent back to the factory for diagnosing and repairing of any defects see the RMA process described at the end of this document 2 4 2 11 Precharge Timeout Error The firmware monitors the amount of time spent in the CHARGE State A fault will be asserted if the Precharge Enable configuration parameter PID Ox8098 is set to TRUE i e the DC DC is controlling the precharge function and the elapsed time exceeds the Precharge Timeout Threshold configuration parameter PID Ox809E 2 4 2 12 Precharge Contactor Error The controller monitors the status of the precharge contactor feedback signal if the precharge contactor monitor is enabled in the Contactor Monitor Enables configuration parameter PID 0 809 If after the time specified in the Contactor Debounce Time configuration parameter PID Ox809C has passed the precharge contactor is not in the state commanded by the controller a fault will be asserted 2 4 2 13 Input Contactor Error The controller monitors the status of the DC input contactor feedback signal if the input contactor monitor is enabled in the Contactor Monitor Enables configuration parameter PID 809 If after the time specified in the Contactor Debounce Time configuration parameter PID Ox809C has passed this contactor is not in the state commanded by the controller a fault will be asser
16. 5 20 IPM Temperature Recover Threshold 44 4 3 5 21 Auxiliary Temperature Fault 4 44 4 3 5 22 Auxiliary Temperature Warning 4 44 4 3 5 23 Auxiliary Temperature Recover Threshold esee 44 4 3 5 24 IPM Error Pin Active 44 4 3 5 25 IPM Over Temp Pin Active 44 4 3 6 Converter Control Parameters esses eene enne enne ener ennt ener 45 4 3 6 1 Pulse Width Modulation 45 4 3 6 2 Pulse Width Modulation Deadband 45 4 3 6 3 Pulse Width Modulation Deadband 45 4 3 6 4 Pulse Width Modulation Max Min Duty 45 4 3 6 5 Interleaved Phase COUR rented ra n een Ron banda eo en eee REY RN ERR ana 45 4 3 6 6 X Voltage Control ISR 46 4 3 6 7 Instrumentation ISR Period esses eene nnne nnns 46 4 3 7 Temperature Monitor 46 4 3 7 1 IPM Temp Sensor TY PGs cesi 46 4 3 7 2 IPM Temp Coefficients CO through 46 4 3 7 3 IPM Temp Coefficients A B C Bias Resistor Bias
17. Circuit Boost Configuration ccccccccccsssssssssseceeecessesesneseceescesseseaaeseeeescessesseaeaeeeesens 9 Figure 3 Pre Charge Circuit Buck Configuration esses esee eene enne 10 Figure 4 Interleaved Voltage Controller sessi 10 Figure 5 System State Machine cccccccscssssscecccecessessaeeeeececesseseeaeeeeeessceseaaaeeesecsseeseaaeaeeeeeceseesesaeaeeeeeens 11 Figure 6 OZDSP3000 Interleaved Buck Boost DC DC Application Electrical Connections 17 Figure 7 Multi Node CAN Network Configuration cesses eene ennemi nnns nnns 23 Figure 8 CAN Interface CirCuit c ccccccccsscssssececeeecessessnaecececscessesaaaeceeeessessesaeaesesecsesesesaeaeeeeseesseseaeaeeeesens 23 Figure 9 Approximate Connector Jumper LED and Test Hook 24 Figure 10 OZDSP3000 Mechanical Dimensions esee eene eene nnn enne 25 Figure 11 Thermistor Interface Circuit esses senem 47 Figure 12 Voltage Controller Block ennemi nnn nnn 49 Figure 13 Current Controller Block enne nnne nnne 50 Table of Tables Table 1 J1
18. Measurement Scaling Parameter Summary essen enne 39 Table 14 Default Operating Parameter Summary 40 Table 15 Fault and Warning Parameter Summary 41 Table 16 Converter Control Parameter Summary 45 Table 17 IPM Temperature Parameter 46 Table 18 Auxiliary Temperature Parameter 48 Table 19 Voltage Regulator Parameter Summary 48 Table 20 Current Regulator Parameter Summary 50 Table 21 Pre charge Parameter Summary esses nennen enne ne nnn 51 Table 22 Instrumentation Parameter 53 Interleaved Buck Boost DC DC Controller User s Manual Introduction 1 Introduction This document is intended to provide instruction on how to employ the Oztek Buck DC DC firmware application on a standard Oztek OZDSP3000 controller in an actual hardware system It describes the electrical connections as well as the scaling of the various signals required by the control firmware 1 1 Referenced Documents emm 1 UM 0018 ZDSP3000 User s Manual FS 0046 zCan Protocol Function Specification 3 FS 0067 zCan DC DC Device Profile
19. RW 4 3 5 1 Input Under Voltage Fault Threshold This parameter defines the DC input under voltage fault threshold If the DC input voltage falls below this value when the converter is ON or if the user attempts to turn the converter on when the input is below this value the application will automatically transition to the FAULT Publication UM 0048 Parameter Register Interface state and operation of the inverter will be disabled and forced OFF This fault is not generated when the converter is OFF or when this parameter is set to a value of zero 4 3 5 2 Input Under Voltage Warning Threshold This parameter defines the DC input voltage threshold below which the firmware will report a low voltage warning Once below this warning threshold the voltage must rise above the corresponding recover threshold before the firmware will clear the low voltage warning 4 3 5 3 Input Under Voltage Recover Threshold See warning threshold description above 4 3 5 4 Input Over Voltage Fault Threshold This parameter defines the DC input over voltage fault threshold If the DC input voltage rises above this value the application will automatically transition to the FAULT state and operation of the inverter will be disabled and forced OFF 4 3 5 5 Input Over Voltage Warning Threshold This parameter defines the DC input voltage threshold above which the firmware will report a high voltage warning Once above this warning t
20. The protocol for numbering and maintaining custom configurations is left up to the user 4 3 1 7 Configuration Password This parameter defines the configuration password stored in the configuration memory To access any parameter that is marked as password protected the user must provide a password that matches the value stored in this parameter See the Parameter Read Write messages described in 5 0067 OzCan DC DC Device Profile for further details on providing this password value Note that this parameter is password protected as well The firmware has its own unpublished master password that can be used to override the password stored in this register In the event that the password is changed from the factory default listed then subsequently lost contact Oztek for the master password or for other alternatives to reset the value in the configuration memory Interleaved Buck Boost DC DC Controller User s Manual Parameter Register Interface 4 3 2 CAN Interface Parameters The following set of parameters are provided to allow for customizing the CAN interface for the end user s application Table 12 CAN Interface Parameter Summary PID Description Units m Min Max 9 0 8010 016 CAN Automatic Alarm Transmit Enable Boolean TRUE FALSE TRUE RW 0 8011 U16 CAN Timeout 1ms 0 0 65535 RW 0x8012 U16 CAN Group ID Integer 4 1 15 RW 0x8013 U16 CAN Module I
21. at your expense if they are unauthorized returned without an RMA number clearly marked on the outside of the shipping box if they are shipped collect or if they are shipped to the wrong location When you contact Oztek to obtain service please have your instruction manual ready for reference and be prepared to supply The serial number of your product Information about the installation and use of the unit Information about the failure and or reason for the return A copy of your dated proof of purchase Return Procedure Package the unit safely preferably using the original box and packing materials Please ensure that your product is shipped fully insured in the original packaging or equivalent This warranty will not apply where the product is damaged due to improper packaging Include the following The RMA number supplied by Oztek clearly marked on the outside of the box A return address where the unit can be shipped Post office boxes are not acceptable A contact telephone number where you can be reached during work hours A brief description of the problem Ship the unit prepaid to the address provided by your Oztek customer service representative If you are returning a product from outside of the USA or Canada In addition to the above you MUST include return freight funds and you are fully responsible for all documents duties tariffs and deposits Out of Warranty Service If the warranty period for yo
22. be a to 10V signal see section 3 1 2 8 The temperature transfer function can be derived using a common tool like Microsoft Excel in which the temperature vs voltage data from the device s datasheet are entered any scaling performed based on the analog signal conditioning prior to the control board connection and then normalizing the resulting voltage by diving by the 10V input range The resulting ADC to temperature curve can be plotted and a 3 order polynomial trend line can be generated to match the curve 4 3 7 3 IPM Temp Coefficients A B C Bias Resistor Bias Voltage These parameters are used by the NTC thermistor style temperature calculation algorithm The Bias Resistor and Bias Voltage refer to the component values of the typical interface circuit illustrated below in Figure 11 Veias Reias e ToA D EE emi Figure 11 Thermistor Interface Circuit The coefficients A B and C are the Stein Hart coefficients used to define the thermistor characteristics in the Steinhart Hart equation A BIn R where e Tisthe temperature in Kelvin 15 resistance at T in Ohms Publication UM 0048 Parameter Register Interface 4 3 8 Auxiliary Temperature Monitor Parameters Table 18 Auxiliary Temperature Parameter Summary PID n Description Units Min Max e 0x807A 532 Aux Temperature Enable Bool False False True RW 0 8078 532 IPM Temp
23. does it last This Limited Warranty is provided by Oztek Corp Oztek and covers defects in workmanship and materials in your OZDSP3000 controller This Warranty Period lasts for 18 months from the date of purchase at the point of sale to you the original end user customer unless otherwise agreed in writing You will be required to demonstrate proof of purchase to make warranty claims This Limited Warranty is transferable to subsequent owners but only for the unexpired portion of the Warranty Period Subsequent owners also require original proof of purchase as described in What proof of purchase is required What will Oztek do During the Warranty Period Oztek will at its option repair the product if economically feasible or replace the defective product free of charge provided that you notify Oztek of the product defect within the Warranty Period and provided that through inspection Oztek establishes the existence of such a defect and that it is covered by this Limited Warranty Oztek will at its option use new and or reconditioned parts in performing warranty repair and building replacement products Oztek reserves the right to use parts or products of original or improved design in the repair or replacement If Oztek repairs or replaces a product its warranty continues for the remaining portion of the original Warranty Period or 90 days from the date of the return shipment to the customer whichever is greater All replaced products and
24. from the configuration space register is auto cleared to 2 to 255 Not Supported Parameter Register Interface Successful execution of this command requires the following conditions be met e The system must be in a non operation state i e the converter must be OFF CAUTION Either execution of this command or a Power On Reset POR is required before changes to the configuration space are used for operation 4 2 1 9 Isolated Digital Output Control This register is used to set the output state for the 4 general purpose open collector digital outputs located on connector J10 The four output pins are controlled using the 4 lower bits in this register as shown in the table below Writing a 0 to a particular bit will result in a high impedance output i e open collector output is off Writing a 1 to a particular bit will result in the open collector output being asserted i e OV from collector to emitter J10 Pin J10 Pin 4 Collector Emitter 0 5 1 L 1 6 2 3 pours 4 4 2 2 Instrumentation Registers Table 10 Instrumentation Register Set PID Data Description Units Access Type Level 0x4000 U16 DC DC Operating State ENUM R 0 4001 016 DC DC Control Mode ENUM R 0x4002 S16 Input Voltage Internal 0 1V R 0x4003 516 Input Voltage External 0 1V R 0 4004 516 Output Voltage 0 1V R 0x4005 516 Curr
25. indefinitely transitioning either on a fault or a turn off command When a turn off command is received the state machine will immediately go to the dle state 2 4 Fault and Warning Conditions The controller provides warning indicators and fault protection in the event of conditions that may cause damage to the equipment or injure personnel The various conditions that are monitored are listed and described in the following sections 2 4 1 Warnings The controller provides the warning indicators listed below These warning conditions do not prohibit operation of the converter they are merely reported for informational purposes only Each warning condition described below is reported in the Warning Status instrumentation register PID 0x4014 and also reported on the CAN bus in the Alarm Status CAN message Interleaved Buck Boost DC DC Controller User s Manual Functional Description 2 4 1 1 High Phase Current In the case of an interleaved topology the firmware monitors the current in each of the interleaved phases and will set a flag one per phase if the current exceeds the Over Current Warning Threshold configuration parameter PID Ox804F These flags remain set until the respective current falls below the phase Over Current Recover Threshold configuration parameter PID 8050 2 4 1 2 High Output Current The firmware monitors the converter output current and will set a flag if the current exceeds the lout Ove
26. minor changes that do not change the layout and format of the data in the configuration memory i e a simple change to a default value for a particular parameter or its legal data range The major revision number is required to change any time new parameters are added or parameter locations or formats are changed The user must take care when updating the firmware to understand whether or not the configuration memory will be reset so as not to lose any custom settings previously stored The present factory revision of the configuration memory is stored in the Factory Configuration Revision registers PIDs 0 8001 0x8002 4 3 1 Configuration Control Parameters Table 11 Configuration Control Parameter Summary PID n Description Units iri Min Max bn 0 8000 U16 EEPROM Header Integer 0 OxFFFF R 0 8001 U16 Factory Configuration Revision Major Integer 1 0 OxFFFF R 0 8002 U16 Factory Configuration Revision Minor Integer 0 0 OxFFFF R 0x8003 U16 Application Configuration Data Revision Integer 0 0 OxFFFF RWP 0 8004 U16 Hardware Configuration ENUM 0 0 OxFFFF R 0 8005 016 User Configuration Revision Integer 0 0 OxFFFF RW 0 8006 U16 Configuration Password Integer Ox1111 0 OxFFFF RWP 4 3 1 1 EEPROM Header This is a read only header word that is used to indicate whether or not the configuration memory contains valid configuration data This head
27. the input voltage source if precharge is enabled as well as the Va voltage Input for Buck output for Boost on J23 The standard hardware variant is designed to accept 380VDC voltages directly Interfacing to other voltages may require a modification to the gain of the sense amplifier consult Oztek for more information Table 5 23 High Voltage Sense Pin Assignment Pin Description 1 Va Voltage 4 Input voltage source required for precharge 7 No connect 10 Ground e OZDSP3000 Connector Part Number Waldom Molex 26 60 4100 e Mating Connector Part Number Tyco 4 644465 0 3 1 6 J25 Bias Power Input The OZDSP3000 requires 24VDC power input on terminal block J25 Note that there are two redundant connections for both 24V and 24V Return only one of each needs to be connected for the controller to operate Note that Pin 3 is used for SPI boot enable it should be left floating or connected to ground for normal Flash Boot operation Alternatively this pin can be tied to 24V to enable the on board SPI boot loader which facilitates in system firmware updates over the CAN interface at power up Table 6 J12 RS 485 Pin Assignment Pin Description 1 24 VDC 2 24 VDC 3 SPI Boot Enable 4 24V Return 5 24V Return e OZDSP3000 Connector Part Number Phoenix Contact 1733606 e Mating Connector Part Number n a terminal block style e Voltage 24V nominal 18V min 28V max
28. threshold If the temperature rises above this value the converter will automatically transition to the FAULT state and operation of the application will be disabled and forced OFF 4 3 5 19 IPM Temperature Warning Threshold This parameter defines the IPM temperature threshold above which the firmware will report a high temperature warning Once above this warning threshold the temperature must fall below the corresponding recover threshold before the firmware will clear the high temperature warning 4 3 5 20 IPM Temperature Recover Threshold See warning threshold description above 4 3 5 21 Auxiliary Temperature Fault Threshold This parameter defines the auxiliary temperature fault threshold If the Auxiliary Temperature Sensor Enable configuration parameter PID 0x8074A is set to TRUE and the temperature rises above this value the converter will automatically transition to the FAULT state and operation of the application will be disabled and forced OFF 4 3 5 22 Auxiliary Temperature Warning Threshold This parameter defines the auxiliary temperature threshold above which the firmware will report a high temperature warning if the Auxiliary Temperature Sensor Enable configuration parameter is set to TRUE Once above this warning threshold the temperature must fall below the corresponding recover threshold before the firmware will clear the high temperature warning 4 3 5 23 Auxiliary Temperature Recover Threshold See warning thresh
29. 1 SKiiP Power Module Pin Assignment 17 Table 2 J11 Current Sense Pin nennen niin nnns 20 Table 3 8 Relay Drive Pin ASSISNMENL cccccccccssssssssscecccecessesesaeeeeeceseeseaeseceeecesseseaaeaeeeesesseeseaeaeeeesens 20 Table 4 J9 Contactor Status Pin 20 Table 5 23 High Voltage Sense Pin 21 Table 6 J12 RS 485 Pin ASSIENMENL cccessscccececessessaececeescesseseeaeeeeecsceesesasaeseeecsseeaasaeeeeeeesseseaeaeeeesens 21 7 4 Pin Assignmelt 2 cote dae ne 22 Table 8 P2 CAN Bus Pin senes nens 22 Table 9 Command Register Set ccccccssssssssececeesessenneeseceesesesncansesecessesenuseesececessesesaeansececeesesssasanseceeeess 27 Table 10 Instrumentation Register Set ccccccccccscssssssssececececessesesaeeesecscseseeeseseeecsseesesasaeeeeeeeseeseaeaeesesens 29 Table 11 Configuration Control Parameter Summary eene eene 35 Table 12 CAN Interface Parameter Summary esses nnns 37 Table 13 System
30. 11 Output Over Current Fault Time This parameter defines the output over current fault timer period If this parameter is set to zero the over current fault will trip immediately in the event that the current rises above the programmed fault threshold Any non zero value programmed in this parameter is interpreted as the duration of the over current event before the over current fault is tripped Note that the timer that monitors the over current condition is an up down counter and hence acts like a simple integrator it does not clear when the over current condition is removed it instead counts down until it reaches zero In an interleaved topology the output current is the sum of all interleaved phases 4 3 5 12 Output Over Current Warning Threshold This parameter defines the output current threshold above which the firmware will report a high output current warning Once above this warning threshold the output current must fall below the corresponding recover threshold before the firmware will clear the high output current warning In an interleaved topology the output current is the sum of all interleaved phases 4 3 5 13 Output Over Current Recover Threshold See warning threshold description above 4 3 5 14 Phase Over Current Fault Threshold In an interleaved topology this parameter defines the output over current fault threshold for each interleaved phase If the current rises above this value for the duration specified in the corr
31. 4 UM 0015 ztek TMS28x CAN Bootloader User s Manual 1 2 Definitions CAN Controller Area Network DSP Digital Signal Processor EEPROM Electrically Erasable Programmable Read Only Memory EMC Electro magnetic Compatibility EMI Electro magnetic Interference GND Ground low side of input power supply GUI Graphical User Interface HMI Human Machine Interface IGBT Insulated Gate Bipolar Transistor IPM Intelligent Power Module NC Not Connected PCB Printed Circuit Board PCC Power Control Center PI Proportional and Integral Compensator PLC Programmable Logic Controller POR Power On Reset PWM Pulse width modulation Publication UM 0048 3 Functional Description 2 Functional Description The Interleaved Buck Boost converter is a bi directional DC to DC converter that can be used to convert either a low DC voltage to a higher DC voltage or vice a versa Basic operation of a single phase is relatively simple requiring an inductor two switches usually a transistor and a diode and a capacitor The controller alternately connects the inductor to an input voltage source to store energy and the load to discharge the energy This basic structure can be extended to a multi phase interleaved topology by adding multiple sets or phases of switches and inductors In this case the phases of the switching commands at each inductor are offset uniformly i e 180 for two
32. 4 3 6 5 Interleaved Phase Count This parameter is used to specify the number of phases implemented in an interleaved converter topology Publication UM 0048 _______46 Parameter Register Interface 4 3 6 6 Voltage Control ISR Period This parameter is used to specify the rate at which to execute the outer voltage control loop as a number of fundamental PWM periods 4 3 6 7 Instrumentation ISR Period This parameter is used to specify the rate at which to execute instrumentation updates as a number of fundamental PWM periods 4 3 7 Temperature Monitor Parameters Table 17 IPM Temperature Parameter Summary PID Description Units du 0x8070 U16 IPM Temp Sensor Type ENUM 1 0 1 RW 0x8071 S32 IPM Temperature Coefficient CO Q16 18 515 32768 32767 RW 0x8072 S32 IPM Temperature Coefficient C1 Q16 119 94 32768 32767 RW 0x8073 S32 IPM Temperature Coefficient C2 Q16 27 232 32768 32767 RW 0x8074 S32 IPM Temperature Coefficient C3 Q16 5 9997 32768 32767 RW 0x8075 S32 IPM Temperature Coefficient A Q30 8 7304 4 2 1 99999 RW 0x8076 S32 IPM Temperature Coefficient B Q30 2 9129 4 2 1 99999 RW 0x8077 S32 IPM Temperature Coefficient C Q30 0 2 1 99999 RW 0x8078 U32 IPM Temperature Bias Resistor Ohms 2490 1 65535 RW 0x8079 U32 IPM Temperature Bias Voltage mV 15000 1 65536 RW 4 3 7 1 IPM Temp Sensor This parameter
33. ALTHOUGH STEPS HAVE BEEN TAKEN TO MAINTAIN THE ACCURACY OF THE TRANSLATION THE ACCURACY CANNOT BE GUARANTEED APPROVED OZTEK CONTENT IS CONTAINED WITH THE ENGLISH LANGUAGE VERSION WHICH IS POSTED AT WWW OZTEKCORP COM Date and Revision January 2014 Rev B Part Number UM 0048 Contact Information USA Telephone 603 546 0090 Fax 603 386 6366 Email techsupport Qoztekcorp com Table of Contents Table of Contents MU enun r 7 1 1 Referenced DOCUMENTS enar n reta es n PEE SAAREN ev 7 1 2 e t T EI 7 2 Functional Description ais Hide 8 2 1 Symmetric Output Hardware Implementation 8 2 11 EE M 8 2 1 2 Control Board 9 2 1 3 Optional Pre Charge 9 2 2 Description of Operation 10 2 3 State TEE 11 2 3 1 11 2 3 2 E E 12 2 3 3 MIN 12 2 34 Charge 12 2 3 5
34. Alarm Status Message This parameter specifies the rate at which Alarm Status CAN messages will be automatically transmitted by the firmware This value specifies the period between message transmissions in terms of milliseconds Setting this parameter to zero disables automatic periodic transmission of this message All other values 1ms 65 535ms are valid 4 3 2 12 CAN Broadcast Message Receive Enable This parameter determines whether or not the DC DC controller will accept broadcast messages from the host controller See reference document FS 0046 OzCan Protocol Function Specification for more details on the use of broadcast messages The legal values for this parameter are encoded as follows 0 Do Not Accept Broadcast Messages 1 Accept Group wide Broadcast Messages Module ID 0 2 Accept System wide Broadcast Messages Group ID 0 3 Accept both Group wide and System Wide Broadcast Messages 4 3 3 System Measurement Scaling Parameters Table 13 System Measurement Scaling Parameter Summary PID si Description Units oe Min Max 0x8020 016 A Neutral Voltage Measurement Full Scale 5003 0 65535 RW 0x8021 U16 B Neutral Voltage Measurement Full Scale 0 1V 5003 0 65535 RW 0x8022 U16 IPM Voltage Measurement Full Scale 0 1V 6012 0 65535 RW 0x8023 n a Reserved n a n a n a n a n a 0x8024 16 Phase Current Measurement Full Scale 0 1A 1504 0 65535 RW
35. D Integer 1 1 31 RW 0 8014 U16 CAN Baud Rate ENUM 250kbps 50kbps 1Mbps RW 0 8015 U16 CAN Status Destination Group ID Integer 1 0 15 RW 0 8016 U16 CAN Status Destination Module ID Integer 1 0 31 RW 0x8017 U16 CAN Update Rate Voltage Status 1ms 100 0 65535 RW 0 8018 U16 CAN Update Rate Current Status 1ms 100 0 65535 RW 0 8019 U16 CAN Update Rate System Status 1ms 100 0 65535 RW Ox801A 016 CAN Update Rate Alarm Status 1ms 100 0 65 535 RW Ox801B U16 CAN Broadcast Message Receive Enable ENUM 0 0 3 RW 4 3 2 1 CAN Automatic Alarm Transmit Enable This is a Boolean parameter that is used to enable automatic transmission of the Alarm Status message upon a change of value of any warning or fault bit Note that when enabled parameter is set to true the checks for whether or not an automatic transmission should be sent occur on 1ms boundaries so there may be up to 1ms of latency between when the offending event occurs and when the Alarm message is sent When disabled parameter is set to false a change in any warning or fault bit does not cause an automatic transmission of the Alarm Status message 4 3 2 2 CAN Timeout This parameter specifies the timeout period to use when checking for CAN communications errors This value specifies the timeout period in terms of milliseconds Setting this parameter to zero disables checking for CAN communications timeouts When CAN timeout check
36. If a fault occurs the corresponding bit is set to a 1 and remains set until a 1 is written to the Fault Reset command register PID 0x0004 When a fault occurs the controller will go to the FAULT state and the converter will stop operating The controller will stay in the FAULT state until the Fault Reset command is received See section 2 4 for details on each fault condition The fault bits are mapped as follows Bit 0 IPM Hardware Over Temperature 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 Interleaved Buck Boost Controller User s Manual Parameter Register Interface 4 2 2 13 Register Operation Status This register is updated after every parameter read or write operation and indicates whether the operation was completed successfully The status is enumerated as follows Value State o O Error Configuration Memory Hardware Error Error Configuration Memory CRC Mismatch 7 Error Invalid password provided for operation Error Operation not allowed when the DC DC Converter is ON 9 255 Unknown Reserved for future use 4 2 2 14 DSP Software Revision Major Minor These values represent the major and minor revisions of the DSP Software stored in FLASH and actively running 4 2 2 15 FPGA Firmware Revision Major Minor These values represent the major and minor revisions of the FPGA on the DSP control board 4 2 2 16 Board Hardware Revision This value rep
37. P3000 Hardware Interfacing Figure 7 Multi Node CAN Network Configuration Standard 0 1 jumpers should be installed on both J18 and J19 to enable the termination With no jumpers installed the lines remain un terminated Refer to Figure 8 for the applicable interface circuit J19 J18 1 A 1 2 60 4 60 4 4700 pF Nu 1501 gt 2 2 CANH gt 3 4 gt gt CANL 51 uH 100 pF 100 pF l jJ Ar 1501 Figure 8 CAN Interface Circuit Publication UM 0048 OZDSP3000 Hardware Interfacing 3 2 Electrical Interfaces The approximate location of the connectors jumper blocks LEDs and test hooks are illustrated in Figure 9 OR L CIC 10741 REV C www OUTEXCORP Figure 9 Approximate Connector Jumper LED and Test Hook Locations Interleaved Buck Boost DC DC Controller User s Manual OZDSP3000 Hardware Interfacing 3 3 Mechanical Interface ea 330 OUTER PAD 189 DRILL HOLE 5 PLACES 700 1 000 6 2 PLACES T 5 300 2 PLACES 5 665 8 700 2 PLACES 300 2 PLACES 9 000 a Figure 10 OZDSP3000 Mechanical Dimensions Publication UM 0048 Parameter Register Interface 4 Parameter Register Interface The DC DC is controlled monitored and configured via a parameter register set This register set can be a
38. POSSIBILITY OF SUCH DAMAGE b ANY LIABILITY ARISING IN TORT WHETHER OR NOT ARISING OUT OF OZTEK S NEGLIGENCE AND ALL LOSSES OR DAMAGES TO ANY PROPERTY OR FOR ANY PERSONAL INJURY OR ECONOMIC LOSS OR DAMAGE CAUSED BY THE CONNECTION OF A PRODUCT TO ANY OTHER DEVICE OR SYSTEM AND c ANY DAMAGE OR INJURY ARISING FROM OR AS A RESULT OF MISUSE OR ABUSE OR THE INCORRECT INSTALLATION INTEGRATION OR OPERATION OF THE PRODUCT IF YOU ARE A CONSUMER RATHER THAN A PURCHASER OF THE PRODUCT IN THE COURSE OF A BUSINESS AND PURCHASED THE PRODUCT IN A MEMBER STATE OF THE EUROPEAN UNION THIS LIMITED WARRANTY SHALL BE SUBJECT TO YOUR STATUTORY RIGHTS AS A CONSUMER UNDER THE EUROPEAN UNION PRODUCT WARRANTY DIRECTIVE 1999 44 EC AND AS SUCH DIRECTIVE HAS BEEN IMPLEMENTED IN THE EUROPEAN UNION MEMBER STATE WHERE YOU PURCHASED THE PRODUCT FURTHER WHILE THIS LIMITED WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS YOU MAY HAVE OTHER RIGHTS WHICH MAY VARY FROM EU MEMBER STATE TO EU MEMBER STATE OR IF YOU DID NOT PURCHASE THE PRODUCT IN AN EU MEMBER STATE IN THE COUNTRY YOU PURCHASED THE PRODUCT WHICH MAY VARY FROM COUNTRY TO COUNTRY AND JURISDICTION TO JURISDICTION Publication UM 0048 Warranty and Return Return Material Authorization Policy Before returning a product directly to Oztek you must obtain a Return Material Authorization RMA number and the correct factory Ship To address Products must also be shipped prepaid Product shipments will be refused and returned
39. U V W and INV_OVT Please refer to the Semikron datasheet for the particular module being used for more information Table 1 J11 SKiiP Power Module Pin Assignment Pin Description 1 Ground 2 INV BOT U Phase A 3 INV ERR U Phase A 4 INV TOP U Phase A Publication UM 0048 OZDSP3000 Hardware Interfacing Pin Description 5 INV BOT V Phase B 6 INV ERR V Phase B 7 INV TOP V Phase B 8 INV BOT W Phase C 9 INV ERR W Phase C 10 INV TOP W Phase C 11 INV OVR TEMP 12 n c 13 INV UDC 14 24V 15 24V 16 n c 17 n c 18 Ground 19 Ground 20 INV TEMP 21 INV IOUT U RTN Phase A 22 INV IOUT U Phase A 23 INV IOUT V RTN Phase B 24 INV IOUT V Phase B 25 INV IOUT W RTN Phase C 26 INV IOUT W Phase C e OZDSP3000 Connector Part Number AMP 499922 6 e Mating Connector Part Number AMP 1658621 6 e Power 24V 0 1 5A 3 1 2 Custom Driver Interface Considerations When attempting to use the OZDSP3000 Interleaved Buck Boost DC DC controller with a custom designed power stage the hardware must be designed to provide the appropriate signals expected at the J11 interface Generally some sort of custom printed circuit board will be required to interface the J11 signals to the gate drivers current sensors etc 3 1 2 1 Power The OZDSP3000 supplies 24V on J11 pins 14 amp 15 This 24Vmay be used to power the electro
40. UM 0048 Functional Description 2 3 2 Calibrate The Calibrate state is used to calibrate system hardware as applicable Power hardware is not operable while in the Calibrate state Following successful calibration the state machine will auto transition to the Vin Wait state 2 3 3 Vin Wait The Vin Wait state is used to wait for a valid DC input voltage before attempting to begin the DC link charging process The state machine will remain in the Vin Wait state indefinitely transitioning either on a fault or upon detecting a valid input voltage as specified in the Vin Under Voltage Fault Threshold parameter PID 0 8040 Power hardware is not operable while in the Vin Wait state 2 3 4 Charge If precharge control is enabled via the Precharge Enable parameter PID Ox8098 the Charge state is used to charge the capacitance in a controlled manner before directly connecting to the DC input source Once the capacitance is charged the state machine will sequence to the dle state Power hardware is not operable while in the Charge state 2 3 5 Idle Once in the dle state the converter is ready for use The state machine will remain in the dle state indefinitely transitioning either on a fault a turn on command or if the input voltage falls out of specification 2 3 6 On While in the On state the converter is processing power and controlling output voltage depending on the configuration The state machine will remain in the On state
41. ace The DC DC firmware can automatically control a 24VDC pre charge contactor as well as a 24VDC input interface contactor Table 3 J8 Relay Drive Pin Assignment Pin Description Input interface relay 24V DC drive Input interface relay drive return Pre charge relay 24V DC drive 5 Pre charge relay drive return e OZDSP3000 Connector Part Number Molex Micro Fit 2x4 Header 43045 0824 e Mating Connector Part Number Molex Micro Fit 2x4 Receptacle 43025 0800 e Output Range 24V continuous 5A inrush 3 1 4 19 Contactor Status Feedback The DC DC firmware provides the optional ability to monitor switch closure feedback from both the pre charge as well as the input interface contactors These switch closure status feedback signals should be wired to the opto coupler inputs on J9 as illustrated in Figure 6 Table 4 J9 Contactor Status Pin Assignment Pin Description 1 Pre charge contactor status switched 24V 5 24V Return 2 Input contactor status switched 24V 6 24V Return Interleaved Buck Boost DC DC Controller User s Manual OZDSP3000 Hardware Interfacing e OZDSP3000 Connector Part Number Molex Micro Fit 2x4 Header 43045 0824 e Mating Connector Part Number Molex Micro Fit 2x4 Receptacle 43025 0800 Input Range Logic high or floating Logic low 25V 3 1 5 23 Voltage Feedback The DC DC firmware expects to sense
42. all parts removed from repaired products become the property of Oztek Oztek covers both parts and labor necessary to repair the product and return shipment to the customer via an Oztek selected non expedited surface freight within the contiguous United States and Canada Alaska Hawaii and locations outside of the United States and Canada are excluded Contact Oztek Customer Service for details on freight policy for return shipments from excluded areas How do you get service If your product requires troubleshooting or warranty service contact your merchant If you are unable to contact your merchant or the merchant is unable to provide service contact Oztek directly at USA Telephone 603 546 0090 Fax 603 386 6366 Email techsupport oztekcorp com Direct returns may be performed according to the Oztek Return Material Authorization Policy described in your product manual What proof of purchase is required In any warranty claim dated proof of purchase must accompany the product and the product must not have been disassembled or modified without prior written authorization by Oztek Proof of purchase may be in any one of the following forms The dated purchase receipt from the original purchase of the product at point of sale to the end user The dated dealer invoice or purchase receipt showing original equipment manufacturer OEM status The dated invoice or purchase receipt showing the product exchanged under warranty Interle
43. alog gain The firmware handles converting this to the discretized gain by automatically dividing this by the sample frequency which is fixed at twice the PWM frequency As Figure 13 above illustrates the PI topology used by the DC DC application sums the proportional and integral correction terms and then clamps the output to the specified PWM Interleaved Buck Boost DC DC Controller User s Manual Parameter Register Interface duty cycle limits based on the PWM Max Min Duty Cycle configuration parameters PIDs 0x8063 0 8064 It is important to note that the current controller uses real word engineering units The floating point application software scales the digitized feedback current using the full scale measureable current constant specified by the Phase Current Measurement Full Scale configuration parameter 0x8024 4 3 10 3 Nominal Feed Forward Voltage The controller incorporates a voltage feed forward term within the digital controller When operating in the Boost configuration output voltage is fed forward while in the Buck configuration input voltage is used This parameter defines the nominal voltage for which the current control PID was designed The feed forward algorithm then corrects the system gain for any variations in actual measured voltage from the nominal The feed forward gain adjust feature can be disabled by setting this parameter to zero 4 3 11 Pre charge Parameters Table 21 Pre charge Parameter Summar
44. ance at T in Ohms 4 3 9 Voltage Regulator Parameters Table 19 Voltage Regulator Parameter Summary PID zs Description Units Min Max pium 0 8080 U16 Voltage Command Slew Limit 1 V s 100 1 65535 RW 0 8081 S32 Kp Proportional Gain Q16 60 0 32767 99 RW 0x8082 S32 Integral Gain Q16 3770 0 32767 99 RW 0x8083 S16 Current Limit Max 0 1A 3300 100 100 RW Interleaved Buck Boost DC DC Controller User s Manual Parameter Register Interface 9 Data m f Access PID Description Units Default Min Max Level 0 8084 S16 Current Limit Min 0 1A 3300 100 100 RW 4 3 9 1 gt Voltage Command Slew Limit This parameter defines the slew rate to use when operating in voltage control mode and the commanded output voltage is changed This slew rate is used both at initial turn on when the output voltage is changed from the present value to the programmed set point or when the programmed set point is changed after the converter has already been turned on 4 3 9 2 Voltage Controller Gain Constants Kp Ki Slew Limit 0x8080 0 8083 Vout 0 0002 0 8082 Vout measured lim min 0x8084 Figure 12 Voltage Controller Block Diagram These parameters define the gain constants for the PI controller that regulates the output voltage when the converter is operating in vo
45. aved Buck Boost DC DC Controller User s Manual Warranty and Return What does this warranty not cover Claims are limited to repair and replacement or if in Oztek s discretion that is not possible reimbursement up to the purchase price paid for the product Oztek will be liable to you only for direct damages suffered by you and only up to a maximum amount equal to the purchase price of the product This Limited Warranty does not warrant uninterrupted or error free operation of the product or cover normal wear and tear of the product or costs related to the removal installation or troubleshooting of the customer s electrical systems This warranty does not apply to and Oztek will not be responsible for any defect in or damage to a The product if it has been misused neglected improperly installed physically damaged or altered either internally or externally or damaged from improper use or use in an unsuitable environment b The product if it has been subjected to fire water generalized corrosion biological infestations or input voltage that creates operating conditions beyond the maximum or minimum limits listed in the Oztek product specifications including high input voltage from generators and lightning strikes The product if repairs have been done to it other than by Oztek or its authorized service centers hereafter ASCs d The product if it is used as a component part of a product expressly warranted by another manufacturer e
46. ccessed through a CAN bus serial communication link 4 1 Register Properties 4 1 1 Parameter ID The Parameter ID PID listed in the tables below represents a numerical identifier for each parameter 4 1 2 Data Types The actual parameters are stored internally as either 16 bit or 32 bit quantities and are treated as either signed or unsigned entities The tables below indicate this information using the following abbreviations for the Data Type e 016 Parameter is an unsigned 16 bit entity e U32 Parameter is an unsigned 32 bit entity 516 Parameter is a signed 16 bit entity 532 Parameter is signed 32 bit entity Parameters that are specified as Boolean are stored as 16 bit entities a value of all zeros indicates FALSE and any non zero value indicates TRUE Unless otherwise specified in the parameter description the parameters are stored and treated as 16 bit unsigned values 4 1 2 1 Specifying Fixed Point Parameters Some parameters listed in the following sections are specified as 32 bit signed numbers with the units specified as Q16 fixed point numbers Using this data format the lower 16 bits LSW represents the fractional portion of the parameter and the upper 16 bits MSW represent the integer portion of the parameter For example the number 10 25 would be entered as 0x000A4000 where the MSW 0x000A hex 10 decimal and the LSW 0x4000 hex 0 25 0x4000 0xFFFF Similarly for numbers specif
47. configuration parameter PID 0x8047 This flag will remain set until the voltage falls below the Vout Over Voltage Recover Threshold configuration parameter PID Ox8048 2 4 1 7 Local Bias Supply Tolerance Warnings The DC DC controller monitors the local bias supplies 24V 15V 5V 3 3V and 15V on the control board and will set a warning flag if the corresponding supply voltage is not within the range required by the on board hardware The various warning flags will remain set while the supply voltages are out of tolerance and will be cleared when the supply is found to be within the required limits Publication UM 0048 Functional Description 2 4 1 8 Low Input Voltage The firmware monitors the input voltage and will set a warning flag if it is lower than the Vin Under Voltage Warning Threshold configuration parameter PID 0x8041 This flag will remain set until the voltage rises above the Vin Under Voltage Recover Threshold configuration parameter PID 0x8042 2 4 2 Faults The DC DC controller provides the fault protection listed below Whenever a fault occurs the controller will automatically turn the converter OFF open the main input contactor and transition to the FAULT state Each fault condition is latched and reported in the Fault Status instrumentation register PID 0x4015 and also reported on the CAN bus in the Alarm Status CAN message The controller remains in the FAULT state and the latched fault flags remain set unti
48. csssccsssecccsscccnsscesssscccseeccaseeccesecccsseesenssecensceseeseeeees 26 4 1 Register 2 26 AVA Parameter Dis E EEE OREA 26 4 1 2 Data lype Serre m diim EE E EN 26 4 1 2 1 Specifying Fixed Point 26 4 L3 ACCBSS WOVE PROFERRE TRU Vn Ix ITI EE CH ce Ra oru DET IE AERE 26 4 2 Volatile GITE 27 421 ER URN 27 211 27 42 1 2 Control MOGe 27 4 2 1 3 Output Voltage 27 4 2 1 4 Output Current 5 28 4 2 1 5 xg 28 4 2 1 6 Configuration 28 4 2 1 7 Configuration 28 4 2 1 8 Configuration
49. d when the pre charge function has been enabled 4 2 2 5 Output Voltage This register reports the measured output voltage Interleaved Buck Boost DC DC Controller User s Manual Parameter Register Interface 4 2 2 6 Current Phase B C These registers report the three individual average phase currents as reported by each IPM interface 4 2 2 7 Output Current This register reports the total output current for the converter i e the sum of all phases 4 2 2 8 IGBT Temperature This register reports the measured temperature reported by the IGBT power module 4 2 2 9 Auxiliary Temperature This register reports the measured auxiliary temperature input if enabled see section 4 3 8 This register will return zero when an external temperature sensor is not used 4 2 2 10 Contactor Status The Pre charge and DC Input contactors open closed status bits are mapped as follows DC Input Contactor 0 Open 1 Closed Pre Charge Contactor Open 1 Closed Reserved for future use 4 2 2 11 Warning Status Warning bits are active when set to 1 and not present when set to 0 See section 2 4 for details on each warning The warning bits are mapped into the register as follows Warnins i O Publication UM 0048 Parameter Register Interface 15V Supply Out of Tolerance Vin Low Voltage 2331 4 2 2 12 Fault Status Fault bits are active when set to a 1 and not present when set to 0
50. defines the type of temp sensor used in the power module interface The software can interface to either a positive temperature coefficient style sensor as used in Semikron SKiiPs or a standard negative temperature coefficient thermistor 0 SKiiP e 1 NTC Thermistor All other values are reserved for future use 4 3 7 2 IPM Temp Coefficients CO through C3 These parameters are used by the PTC Semikron style temperature calculation algorithm They define the coefficients used by the 3 order polynomial fitting routine within the firmware to convert raw ADC readings to degrees C The temperature is calculated using the normalized ADC measurements values in the range of 0 to 1 corresponding to the 12 bit ADC input range of 0x000 to OxFFF and the coefficient parameters as follows Temperature C320 C2 X C1 X CO Where X is the normalized ADC reading in the range of 0 1 are the coefficient parameters Interleaved Buck Boost DC DC Controller User s Manual Parameter Register Interface The factory default values for these coefficients are based on the temperature sensors contained within a typical Semikron SKiiP power module When non SKiiP based temperature sensing is employed it is left up to the user to generate these coefficients for the specific sensor s temperature to voltage transfer function As was previously mentioned the inverter temperature input to the control board is expected to
51. e Fault Threshold O 1V 650 0 65535 RW 0x8044 016 Vin Over Voltage Warning Threshold O 1V 600 0 65535 RW 0 8045 016 Vin Over Voltage Recover Threshold O 1V 550 0 65535 RW 0 8046 U16 Vout Over Voltage Fault Threshold O 1V 4250 0 65535 RW 0x8047 U16 Vout Over Voltage Warning Threshold 0 1 4200 0 65535 RW 0 8048 U16 Vout Over Voltage Recover Threshold O 1V 4150 0 65535 RW 0x8049 U16 lout Over Current Fault Threshold 0 1A 3750 0 65535 RW Ox804A U16 lout Over Current Fault Time 0 1 ms 0 0 65535 RW Ox804B U16 lout Over Current Warning Threshold 0 1A 3500 0 65535 RW 0x804C U16 lout Over Current Recover Threshold 0 1A 3250 0 65535 RW 0 8040 016 Over Current Fault Threshold 1250 0 65535 RW Ox804E 016 Iphase Over Current Fault Time 0 1 ms 0 0 65535 RW Ox804F U16 Iphase Over Current Warning Threshold 0 1A 1150 0 65535 RW 0 8050 016 Iphase Over Current Recover Threshold 0 1A 1050 0 65535 RW 0 8051 016 IPM Temperature Fault Threshold 85 20 150 RW 0x8052 U16 IPM Temperature Warning Threshold C 75 20 150 RW 0 8053 016 IPM Temperature Recover Threshold C 70 20 150 RW 0 8054 016 Auxiliary Temperature Fault Threshold C 85 20 150 RW 0 8055 016 Auxiliary Temperature Warning Threshold C 75 20 150 RW 0 8056 016 Auxiliary Temperature Recover Threshold C 70 20 150 RW 0x8057 U16 IPM Error Pin Active High Boolean TRUE FALSE TRUE RW 0x8058 U16 IPM Over Temp Pin Active High Boolean TRUE FALSE TRUE
52. e IDLE state if no further faults exist 0 NOP No reset action requested 1 RESET Request to attempt a fault reset register is auto cleared to 0 2 to 255 Not Supported 4 2 1 6 Configuration Password This register is used to supply a password for those configuration operations that are password protected The password is cleared to zero at the end of the next parameter read or write operation 4 2 1 7 Configuration Reset This register causes the system to restore its non volatile configuration memory to the factory default configuration 0 NOP No reset action requested 1 RESET Request to reset the configuration register is auto cleared to 0 2 to 255 Not Supported Successful execution of this command requires the following conditions be met The Configuration Password register PID 0x0005 must have been previously loaded with the correct password e The system must be in a state i e the converter must be OFF CAUTION Upon execution all currently stored configuration data will be permanently destroyed and over written with the factory default configuration data 4 2 1 8 Configuration Reload This register causes any modifications to the configuration register space to be loaded from the non volatile configuration space Interleaved Buck Boost DC DC Controller User s Manual 0 No reload action requested 1 RELOAD Reload the operational parameters
53. eeeeeeeeeeeneeness 38 4 3 2 7 Status Destination Module 0 38 4 3 2 8 Update Rate Voltage Status 55 65 38 4 3 2 9 CAN Update Rate Current Status 38 4 3 2 10 CAN Update Rate System Status 38 4 3 2 11 CAN Update Rate Alarm Status 39 4 3 2 12 CAN Broadcast Message Receive 39 433 System Measurement Scaling Parameters enne enne nnns 39 4331 A Neutral Voltage Measurement Full 39 4 3 3 2 B Neutral Voltage Measurement Full Scale sees 39 4 3 3 3 IPM Voltage Measurement Full 40 4 3 3 4 Phase Current Measurement Full 40 4 3 4 Default Operating 40 4 3 4 1 Default Control orsi ee ct era pda tessa sad ena a cea dodo oec iR Dead 00 40 4 3 4 2 Default Voltage Set point 2 40 4 3 4 3 Default Current Setpoint cte dece vto 40
54. ent Phase A 0 1A R 0 4006 516 Current Phase B 0 1A R 0x4007 S16 Current Phase B 0 1A R 0 4008 516 Output Current 0 1A R 0 4009 016 IGBT Temperature 1 DegC R Ox400A U16 Aux Temp 1 DegC R Ox400B U16 Contactor Status ENUM R Publication UM 0048 Parameter Register Interface PID Data Description Units Access Type Level 0x400C U32 Warning Status n a R 0x400D U32 Fault Status n a R Ox400E U16 Register Operation Status ENUM R Ox400F U16 DSP Software Revision Major Integer R 0 4010 016 DSP Software Revision Minor Integer R 0 4011 016 FPGA Revision Major Integer R 0x4012 U16 FPGA Revision Minor Integer R 0x4013 U16 PCB Hardware Revision Integer R 0 4014 016 Isolated Digital Input Status ENUM R 4 2 2 1 DC DC Operating State The present DC DC operating state is enumerated as shown in the table below See section 2 3 for details on each of these operating states Calibrating Pre Charge 4 2 2 2 DC DC Control Mode The configured control mode is enumerated as follows Voltage Control Mode Current Control Mode Unknown Reserved for future use 4 2 2 3 Input Voltage Internal This register reports the measured voltage at the input to the DC DC 4 2 2 4 Input Voltage External This register reports the measured input voltage sensed on the source s external side of the input contactor This measurement is optional and is generally only use
55. er word is a fixed constant and is not expected to change for any revision of the converter firmware At startup the firmware attempts to read this value and if it does not match the expected value the firmware assumes the configuration memory does not contain valid configuration data i e not previously programmed If this is the case the firmware will automatically reset the contents of the configuration memory to the factory defaults 4 3 1 2 Factory Configuration Revision Major This is a read only value that represents the major revision of the factory configuration stored in the configuration memory Major revision changes to the default factory configuration are those that are not compatible with previous configurations such as when new parameters are added to the memory that are required for proper converter operation or if existing parameters change locations or formats At startup the firmware will read this value from the memory and compare it against the factory default for the present build of the firmware If the two values do not match the firmware will automatically reset the memory to the factory Publication UM 0048 Parameter Register Interface default values Updates to the major factory revision value are expected to increment the previous value by 1 4 3 1 3 Factory Configuration Revision Minor This is a read only value that represents the minor revision of the factory configuration stored in the configuration me
56. erature Coefficient A Q30 10 324E 4 2 1 99999 RW 0x807C 532 IPM Temperature Coefficient B Q30 2 3856E 4 2 1 99999 RW 0x807D 532 IPM Temperature Coefficient C Q30 1 5914E 7 2 1 99999 RW Ox807E U32 IPM Temperature Bias Resistor Ohms 2000 1 65535 RW 0 807 032 IPM Temperature Bias Voltage mV 15000 1 65535 RW 4 3 8 1 Auxiliary Temperature Sensor Enable This Boolean parameter is used to determine if the controller should monitor an external NTC thermistor style temperature sensor provided by the user see section 3 1 7 for connection details This parameter should be set to FALSE if an external temperature sensor is not used When set to TRUE the temperature is calculated according to the user provided temperature coefficients see next section and is also monitored for possible over temperature conditions according to the Auxiliary Temperature Fault Warning Threshold configuration parameters PIDs 8054 0 8056 4 3 8 2 IPM Temp Coefficients A B C Bias Resistor Bias Voltage These parameters are used by the NTC thermistor temperature calculation algorithm The Bias Resistor and Bias Voltage refer to the component values of the typical interface circuit illustrated in Figure 11 The coefficients A B and C are the Stein Hart coefficients used to define the thermistor characteristics in the Steinhart Hart equation A BIn R C In R where e Tisthe temperature in Kelvin Risthe resist
57. esponding Fault Time parameter see next section the converter will automatically transition to the FAULT state and operation of the application will be disabled and forced OFF 4 3 5 15 Phase Over Current Fault Time This parameter defines the per phase over current fault timer period If this parameter is set to zero the over current fault will trip immediately in the event that any phase current rises above the programmed fault threshold Any non zero value programmed in this parameter is interpreted as the duration of the over current event before the over current fault is tripped Note that the timer that monitors the over current condition is an up down counter and hence acts like a simple integrator it does not clear when the over current condition is removed it instead counts down until it reaches zero 4 3 5 16 Phase Over Current Warning Threshold In an interleaved topology this parameter defines the output current threshold for each interleaved phase above which the firmware will report a high output current warning Once above this warning threshold the output current must fall below the corresponding recover threshold before the firmware will clear the high output current warning 4 3 5 17 Phase Over Current Recover Threshold See warning threshold description above Publication UM 0048 _______ Parameter Register Interface 4 3 5 18 IPM Temperature Fault Threshold This parameter defines the IPM temperature fault
58. firmware in a typical application Interleaved Buck Boost DC DC Controller User s Manual OZDSP3000 Hardware Interfacing 3 1 Application Interfaces SKiiP Power Module IPM Input Voltage Source 24VDC m 24VDC 1 24V RIN 5 4 2 CANH 7 8 H CANL 2 GND OZDSP3000 DC DC Input J9 1 5 Wire to DC DC J4 2 Input Source for emp 1 6 24V RTN Boost Topology 2 J23 1 4 Vin Source 1 G Ij 9 roun Wire to DC DC Output for Buck Topology Figure 6 OZDSP3000 Interleaved Buck Boost DC DC Application Electrical Connections 3 1 1 J11 SKiiP Power Module Interface IPM Connector J11 provides an interface to SKiiP style Semikron power modules This interface complies with Semikron s required specifications The OZDSP3000 supplies 24V power to the power module via pins 14 and 15 PWM commands 15V logic level are supplied to the top and bottom switches of each of the three half bridges via signals INV_TOP_U V W and INV_BOT_U V W respectively Feedback of phase currents temperature and DC link voltage are provided on INV_IOUT_U V W INV_TEMP INV_UDC signals respectively Error signals from the module are similarly provided via INV_ERR_
59. gulator Parameters Table 20 Current Regulator Parameter Summary PID Description Units Min Max Qu 0x8090 U16 Current Command Slew Limit 1 5 100 1 65535 RW 0 8091 S32 Kp Proportional Gain Q16 0 00096 0 32767 99 RW 0x8092 S32 Ki Integral Gain Q16 0 2961 0 32767 99 RW 0x8093 n a Reserved n a n a n a n a n a 0 8094 S16 Nominal Feed Forward Voltage V 400 1 65535 RW 4 3 10 1 Current Command Slew Limit This parameter defines the slew rate to use when operating in current control mode and the commanded output current is changed This slew rate is used both at initial turn on when the output current is changed from the present value to the programmed set point or when the programmed set point is changed after the converter has already been turned on 4 3 10 2 Current Controller Gain Constants Kp Ki Topology One Interleaved 0x8033 Phase Controller Slew Limit 3809 QpMode 0x8030 Dutymax 0x8063 PWMage c Duty min out measured 0x8064 Anti Windup 0 0003 0 8092 0 8065 Figure 13 Current Controller Block Diagram These parameters define the gain constants for the PI controller that regulates the output current when the converter is operating in current control mode The integral gain Ki parameter should be entered as the continuous gain or sometimes referred to as the an
60. hreshold the voltage must drop below the corresponding recover threshold before the firmware will clear the high voltage warning 4 3 5 6 gt Input Over Voltage Recover Threshold See warning threshold description above 4 3 5 7 Output Over Voltage Fault Threshold This parameter defines the DC output over voltage fault threshold If the DC output voltage rises above this value the application will automatically transition to the FAULT state and operation of the inverter will be disabled and forced OFF 4 3 5 8 Output Over Voltage Warning Threshold This parameter defines the DC output voltage threshold above which the firmware will report a high voltage warning Once above this warning threshold the voltage must drop below the corresponding recover threshold before the firmware will clear the high voltage warning 4 3 5 9 Output Over Voltage Recover Threshold See warning threshold description above 4 3 5 10 Output Over Current Fault Threshold This parameter defines the output over current fault threshold If the current rises above this value for the duration specified in the corresponding Fault Time parameter see next section the converter will automatically transition to the FAULT state and operation of the application will be disabled and forced OFF In an interleaved topology the output current is the sum of all interleaved phases Interleaved Buck Boost DC DC Controller User s Manual Parameter Register Interface 4 3 5
61. ied as Q24 fixed point numbers the lower 24 bits represent the fractional portion of the parameter and the upper 8 bits represent the integer portion For example the number 4 5 would entered as 0x04800000 where the upper 8 bits 0x04 hex and the lower 24 bits 0x800000 hex 0 5 0x800000 O0xFFFFFF 4 1 3 Access Level The access level for each register is defined as follows Interleaved Buck Boost DC DC Controller User s Manual Parameter Register Interface e W writeable the parameter is writable by the user e R readable the parameter is readable by the user P password protected the parameter may only be accessed by supplying a password 4 2 Volatile Registers 4 2 1 Command Registers Table 9 Command Register Set PID Data Description Units Min Max Access Type Level 0 0000 016 On Off Control ENUM 0 1 R W 0x0001 U16 Control Mode ENUM 0 0 R W 0x0002 S16 Output Voltage Setpoint 0 1V 0 32767 R W 0x0003 516 Output Current Setpoint 0 1A 32768 32767 R W 0 0004 016 Fault Reset ENUM 0 1 R W 0 0005 016 Configuration Password n a 0 65535 R W 0 0006 016 Configuration Reset ENUM 0 1 R W P 0x0007 U16 Configuration Reload ENUM 0 1 R W 0x0008 U16 Isolated Digital Output Control ENUM 0 15 R W 4 2 1 1 On Off Control This register is used to turn the converter ON or OFF as follows 0 OFF This turns the converter OFF 1 ON This turns the conver
62. ing is enabled parameter is set to a legal non zero value a timeout counter is used to time the period of inactivity on the CAN bus This timer is reset upon the receipt of any of the valid receive messages supported by this application 4 3 2 3 Group ID This parameter specifies the Group ID used by the firmware For more information see FS 0067 4 3 2 4 CAN Module ID This parameter specifies the Module ID used by the firmware For more information see FS 0067 Publication UM 0048 Parameter Register Interface 4 3 2 5 CAN Baud Rate This parameter is used to configure the serial baud rate for the CAN interface The legal values are as follows 0 1 Mbps 1 500 kbps 2 250 kbps 3 125 kbps 4 100 kbps 5 50 kbps 4 3 2 6 Status Destination Group ID This parameter specifies the Destination Group ID that this firmware will use when sending the Status messages Note that the Illegal CAN Message and Configuration Response messages use the Group Module information from the sending device as the Destination Group Module when responding so this parameter is not used for those messages For more information see FS 0067 4 3 2 7 CAN Status Destination Module ID This parameter specifies the Destination Module ID that this firmware will use when sending the Status messages Note that the Illegal CAN Message and Configuration Response messages use the Group Module information from the sending device as
63. l explicitly reset with a Fault Reset command PID 0x0004 This is true even if the source s of the fault s are no longer active Upon receiving the Fault Reset command the controller will attempt to clear all latched fault bits It then examines the sources of all fault conditions and if none are active the controller will transition to the Vin Wait state and attempt to reconnect to the DC input If upon re examination any sources of faults are still active their respective fault flags are latched again and the converter will remain in the FAULT state 2 4 2 1 IPM Hardware Over Temperature The firmware provides a means to recognize a hardware based over temperature error signal from the IPM interface as is present on a typical Semikron SKiiP interface 2 4 2 2 IPM IGBT Error The firmware provides a means to recognize a hardware based IGBT error signal from the IPM interface as is present on a typical Semikron SKiiP interface 2 4 2 3 IPM Software Over Temperature The controller monitors the IPM temperature and will assert a fault if it exceeds the IPM Temperature Fault Threshold configuration parameter PID 0x8051 2 4 2 4 Software Phase Over Current In an interleaved topology the firmware monitors the current for each of the interleaved phases and asserts a fault if any phase exceeds the phase Over Current Fault Threshold configuration parameter PID 0 8050 2 4 2 5 Software Output Over Current The firmware monitors the outp
64. le power to the control board Either of these actions will reset the CPU on the control board which then forces a re initialization of the application including reading the configuration parameters from the external configuration memory If this completes without error this implies the previous error occurred while the data was being read 2 If after executing step 1 above a configuration error is still present this may indicate bad data in the configuration memory In this case the memory will need to be reset to the factory defaults using the Configuration Reset command PID 0 0006 Once the memory contents have been reset and any values changed to their customized settings step 1 above should be executed to force a reload of the system variables 3 If neither of the above result in clearing the configuration error then there is likely an issue with the control board hardware At this point the board should be sent back to the factory for diagnosing and repairing of any defects see the RMA process described at the end of this document 3 OZDSP3000 Hardware Interfacing The OZDSP3000 is a highly integrated DSP control solution for power control applications Typical applications include DC DC converters voltage output inverters grid tie inverters AC induction motor controllers brushless DC motor controllers and Active Front End regulators This section describes how to utilize the OZDSP3000 along with the Buck Boost DC DC control
65. lse Width Modulation Frequency This parameter defines the fundamental PWM switching frequency for the power stage Note that the current control loops and PWM modulation value are updated at twice this frequency essentially at the peak and valley of the triangle PWM carrier waveform 4 3 6 2 Pulse Width Modulation Deadband Enable This parameter enables software deadband for the converter half bridges The deadband is implemented as a turn on delay when turning on a power device after having just turned off its complement 4 3 6 3 Pulse Width Modulation Deadband Time This parameter defines the amount of dead band time to use between switching the complementary top and bottom switches in the half bridges i e the time that both PWM outputs are OFF This parameter is only used if the Pulse Width Modulation Deadband Enable parameter PID 0x8061 is set to TRUE 4 3 6 4 Pulse Width Modulation Max Min Duty Cycle These parameters specify the minimum and maximum duty cycles allowed on the PWM outputs to the power switches The DC DC controller will clamp the PWM pulses to these values preventing any pulses narrower than the minimum specified value or greater than the maximum specified value These parameters can be used to guarantee minimum pulse widths if required by the power switches The dead band time either enforced by the power module hardware or by the DC DC software parameter should be taken into account when setting these parameters
66. ltage control mode The integral gain Ki parameter should be entered as the continuous gain or sometimes referred to as the analog gain The firmware handles converting this to the discretized gain by automatically dividing this by the sample frequency at which the controller is updated specified as a number of PWM periods by the Voltage Control ISR Period parameter PID Ox8066 As Figure 12 above illustrates the PI topology used by the DC DC application sums the proportional and integral correction terms and then clamps the output to the specified current limits based on the Current Limit Min Max configuration parameters PIDs 0x8083 0 8084 It is important to note that the voltage controller uses real word engineering units The floating point application software scales the digitized feedback voltage using the full scale measureable voltage constant specified by configuration parameters 0x8020 or 0x8021 depending on the selected Control Topology PID 0x8033 4 3 9 3 Current Limit Max Min These parameters specify the maximum and minimum current command In a multi loop control configuration in which an outer voltage control loop feeds an inner current control loop the output of the voltage loop serves as the current command or reference This parameter Publication UM 0048 Parameter Register Interface serves as a clamp on the output of the voltage controller thereby limiting the total output current 4 3 10 Current Re
67. may automatically program the configuration memory at startup with the factory default values First when the drive boots following a reset it attempts to read a predefined read only header stored in the EEPROM If the header does not match the expected value the memory is considered uninitialized and the firmware will automatically write the default factory configuration values into the memory This would be the case if a control board were just being loaded with the firmware and operated for the first time in which case the configuration memory wouldn t contain valid data The second scenario in which the firmware will automatically update the configuration memory occurs when the firmware has been updated on the control board and its associated configuration memory map is not compatible with the previously programmed version of the firmware The configuration memory contains two factory revision values a major and a minor Interleaved Buck Boost DC DC Controller User s Manual Parameter Register Interface revision At startup the firmware will read the major revision value and compare it against the default major revision for that particular build of the firmware If the two do not match the firmware will automatically reset the configuration memory to the factory defaults Differences in the minor revision will not cause the memory to be reset Using this factory configuration revision scheme the minor revision number is expected to change for
68. mory Minor revisions are those that do not require reloading the memory to the factory default values This could be a result of a minor value change to the default value for a particular parameter or the addition of a new parameter that is not needed for proper converter operation Updates to the minor factory revision value are expected to increment the previous value by 1 4 3 1 4 Application Configuration Data Revision This value is used to represent the revision of the application specific configuration data as programmed by the factory This field is meant to store the revision of any custom configuration settings programmed at the factory for a specific end user application The factory default prior to customization for this field is zero indicating that no custom settings have been made to the configuration memory Application specific updates to the configuration data are expected to increment this parameter by 1 This parameter is password protected to prevent accidental modification by the end user 4 3 1 5 Hardware Configuration This read only register is provided for future use only It is presently not used by the DC DC converter application and will return a value of zero when read 4 3 1 6 User Configuration Revision This is a generic parameter that is provided to allow the user or a higher level controller to maintain revision information for custom settings to the configuration memory The firmware does not use this value
69. mware Revision Major Minor 33 4 2 2 16 Board Hardware Revision 33 4 2 2 17 Isolated Digital Input Status sese eene 33 4 3 Non Volatile Configuration Registers seste ennemis nenne neni nnns nnn 34 4 3 1 Configuration Control 35 4 3 L 1 EEPROM Header ie tete teet OREA 35 4 3 1 2 Factory Configuration Revision 35 4 3 1 3 Factory Configuration Revision Minor eeesseeeseeeeee ennemi 36 4314 Application Configuration Data 36 4 3 1 5 Hardware ott treten edt DN buste ental 36 4 3 1 6 User Configuration Revisions i tercer eee tete eed 36 4 3 1 7 Configuration Password eee Dn tee C e e pe tov etes 36 4 3 2 Interface Parameters 37 4 3 2 1 CAN Automatic Alarm Transmit 37 4 3 2 2 CAN NES 37 4 3 2 3 RE 37 43 24 CAN Module 37 43 25 CAN Baud Rate iode tier tete 38 4 3 2 6 Status Destination Group ID ccccecccccecececececeeeeeceeeceeeeeeeeeeeeeeeeeeeeeeeees
70. nics on the interface board The supply is capable of providing 1 5A Interleaved Buck Boost DC DC Controller User s Manual OZDSP3000 Hardware Interfacing 3 1 2 2 Switch Commands The six switching commands are provided on pins 2 4 5 7 8 and 10 These switch command signals are driven off of the OZDSP3000 at 15V logic level using MC14504B level shifting devices 3 1 2 3 Error Inputs The OZDSP3000 expects three logic level error inputs one associated with each phase on pins 3 6 and 9 When active these inputs cause the DC DC firmware to latch the system off into the Fault state Pull ups to 3 3V are provided on board and the signals are active high Depending on the features provided in the custom design these signals can be used to interface single error sources multiple protection circuits or none at all The custom interface board should drive the pin with an open collector style circuit In the case where no protection is provided the pins should be grounded to disable the faults 3 1 2 4 DC Link Voltage Sensing The OZDSP3000 expects a signal proportional to DC link voltage to be provided on J11 pin 13 with respect to pins 18 and 19 This signal should be scaled such that 0 10 V represents the measurable DC link voltage range 3 1 2 5 DC Link Hardware Over Voltage Protection When designing a custom interface it is highly recommended that hardware over voltage protection be implemented This can be implemented with a c
71. ogy via the Default Control Topology configuration parameter PID 0x8033 this interface is used to measure the output voltage When configured for the Buck topology the interface is used to measure input voltage This full scale value is relative to the signal at the isolated high voltage ADC input that would cause a full scale ADC reading i e ADC reading of OxFFF 4 3 3 4 Phase Current Measurement Full Scale This parameter defines the full scale value of the individual IPM phase current measurements This full scale value is relative to the signal at the DSP s ADC input that would cause a full scale ADC reading i e ADC reading of OxFFF 4 3 4 Default Operating Parameters Table 14 Default Operating Parameter Summary PID dei Description Units Pn 0x8030 U16 Default Control Mode ENUM 0 0 1 RW 0x8031 016 Default Voltage Setpoint 0 1 4000 0 65535 RW 0x8032 016 Default Current Setpoint 0 1A 0 0 65535 RW 0x8033 U16 Control Topology ENUM 0 0 1 RW 4 3 4 1 Default Control Mode This parameter defines the default power on control mode for the converter The legal values are as follows e 0 Voltage Control Mode e 1 Current Control mode e All other values are reserved for future use 4 3 4 2 Default Voltage Setpoint This parameter defines the default voltage set point to use when turning on in voltage control mode following a power on reset POR of the contr
72. ol board This value is used if the Output Voltage Setpoint command PID 0x0002 has not been issued following a power on reset of the control board Writing the Output Voltage Setpoint command register with a legal value will override the default value stored in this register 4 3 4 3 Default Current Setpoint This parameter defines the default current set point to use when turning on in current control mode following a power on reset POR of the control board This value is used if the Output Current Setpoint command PID 0x0003 has not been issued following a power on reset of the control board Writing the Output Current Setpoint command register with a legal value will override the default value stored in this register Interleaved Buck Boost DC DC Controller User s Manual Parameter Register Interface 4 3 4 4 Control Topology This parameter defines the control mode for the converter The legal values are as follows 0 Boost Topology e 1 Buck Topology e All other values are reserved for future use 4 3 5 Fault and Warning Parameters Table 15 Fault and Warning Parameter Summary PID Description Units i Min Max ps 0 8040 016 Vin Under Voltage Fault Threshold 01 100 0 65535 RW 0x8041 U16 Vin Under Voltage Warning Threshold 01 150 0 65535 RW 0x8042 U16 Vin Under Voltage Recover Threshold O 1V 200 0 65535 RW 0x8043 U16 Vin Over Voltag
73. old description above 4 3 5 24 IPM Error Pin Active High This parameter determines the polarity of the hardware error input pins from the power module interface ERR U V W listed in section 3 1 1 When this parameter is set to TRUE the input pins are treated as active high meaning a high input is considered a fault condition 4 3 5 25 IPM Over Temp Pin Active High This parameter determines the polarity of the hardware over temperature input pin from the power module interface OVR TEMP listed in section 3 1 1 When this parameter is set to TRUE the input pin is treated as active high meaning a high input is considered a fault condition Interleaved Buck Boost DC DC Controller User s Manual Parameter Register Interface 4 3 6 Converter Control Parameters Table 16 Converter Control Parameter Summary PID ak Description Units yas Min Max n 0x8060 016 Pulse Width Modulation Frequency 1Hz 10000 1000 25000 RW 0x8061 U16 Pulse Width Modulation Deadband Enable Boolean TRUE FALSE TRUE RW 0x8062 U16 Pulse Width Modulation Deadband Time 10 ns 65 25 1000 RW 0 8063 U16 Pulse Width Modulation Max Duty Cycle 96 95 0 100 RW 0x8064 U16 Pulse Width Modulation Min Duty Cycle 96 0 0 100 RW 0x8065 U16 Interleaved Phase Count U16 3 1 3 RW 0 8066 016 Voltage Control ISR Period Tpwm 5 1 500 RW 0x8067 U16 Instrumentation ISR Period Tpwm 10 1 500 RW 4 3 6 1 Pu
74. omparator using the DC link voltage sense output The output of this comparator can be used to gate off the switch commands as well as assert the Error inputs on each phase 3 1 2 6 Hardware Over Current and Desaturation Protection Semikron SKiiP power modules provide fast hardware over current and desaturation protection When designing a custom power solution these additional protection features should also be considered When including over current desaturation and over voltage protection into the design the fault flags must be logically OR d together and reported using the open collector Error signal inputs to the OZDSP3000 3 1 2 7 Current Sense Signals The OZDSP3000 expects to receive a current sense signal for each half bridge phase output This should be a bipolar signal where 10 corresponds to the full scale current range The current sense signals should be provided on the following pins Publication UM 0048 OZDSP3000 Hardware Interfacing Table 2 J11 Current Sense Pin Assignment J11 Pin Description 22 Current Phase A U 21 Gnd Reference for Current Phase A 24 Current Phase B V 23 Gnd Reference for Current Phase B 26 Current Phase C W 25 Gnd Reference for Current Phase C 3 1 2 8 Temperature Sense Signals The OZDSP3000 expects to receive a 0 10 temperature signal on pin 20 that corresponds to the hot spot temperature of the power devices 3 1 3 J8 Relay Driver Interf
75. on to the power devices these modules provide current sensing DC link voltage sensing temperature sensing and protection features including over voltage over current and desaturation protection 2 1 2 Control Board The control board is used to generate the gating signals to the power switches in order to control the DC DC output voltage The control board also provides instrumentation and user control functions 2 1 3 Optional Pre Charge Control The control software provides optional features for controlling a main input contactor and or a smaller pre charge contactor The pre charge contactor controller is used to limit the inrush current associated with charging the input and or output capacitance when applying input voltage to the converter Lack of a pre charge circuit can result in extremely high potentially damaging inrush currents The pre charge circuit is installed on the input to the converter Referring to the system schematic in Figure 1 this implies that for the Boost configuration the circuit is installed on the Va side of the converter as illustrated in Figure 2 In the Buck configuration the circuit is installed on the side of the converter as illustrated in Figure 3 Pre Charge Circuitry Li2s 3 Power Module e gt Ly Vsense Internal Vsense External Figure 2 Pre Charge Circuit Boos
76. phases 120 for three phases etc such that the ripple current and hence ripple voltage seen on the output is reduced due to the cancellation between the multiple phases 2 1 Symmetric Output Hardware Implementation Figure 1 illustrates the generic interleaved Buck Boost DC DC system topology While component values will vary from application to application depending on the input and output voltages and power level the overall system configuration will generally remain the same Boost Config Vg Output Buck Config Vg Input Optional Interleaved Phases V 2 00 zT lt 1 lt Boost Config Va Input f 4 Buck Config Va Output L4 23 Vat M YY _ Vary ae Sense Vg Sense T Control Board CAN gt Figure 1 Interleaved Buck Boost System Schematic 2 1 1 Power Stage The power stage consists of semiconductor switches typically IGBTs for high voltage applications as well as input and output capacitors and filter inductors The converter can be Interleaved Buck Boost DC DC Controller User s Manual Functional Description dg epus implemented with either one two or three phases requiring an additional set of switches and an inductor for each phase Oztek control boards are designed to interface directly with Semikron SKiiP power modules In additi
77. pre charge contactor This field should be set to the longest expected delay from when the contactor is driven open closed by the software to when the contactor has mechanically changed state including all expected debounce time 4 3 11 7 Pre charge Timeout Threshold This parameter specifies the maximum amount of time to wait before reporting a pre charge timeout fault If the DC link has not charged to the DC Link Pre charge Threshold see above within this amount of time the controller will transition to the FAULT state This parameter is only used if the DC Link Pre charge Enable parameter see above is set to TRUE i e the converter is controlling the pre charge function If the DC Link Pre charge Enable parameter is set to FALSE the controller will simply wait indefinitely for the DC link voltage to rise above the minimum acceptable DC link voltage specified in the Vin Under Voltage Fault Threshold Setting this parameter to zero will disable the pre charge timeout monitor Interleaved Buck Boost DC DC Controller User s Manual Maintenance and Upgrade 4 3 12 Instrumentation Parameters The table below summarizes the filter cutoff values for the various measurements reported to the user as well as the rate at which these measurements are updated by the DC DC controller Unless a clear need exists it is recommended that the user not change these values from the factory default values Table 22 Instrumentation Parameter Summary
78. r Current Warning Threshold configuration parameter PID Ox804B These flags remain set until the respective current falls below the lout Over Current Recover Threshold configuration parameter PID 0 804 2 4 1 3 IGBT High Temperature The firmware monitors the IGBT temperature and will set a warning flag if it exceeds the IPM Temperature Warning Threshold configuration parameter PID 0x8052 This flag will remain set until the temperature falls below the IPM Temperature Recover Threshold configuration parameter PID 0x8053 2 4 1 4 Auxiliary High Temperature If the Auxiliary Temperature Sensor Enable parameter PID 0x807A is set to TRUE the firmware will monitor the external temperature sensor and will set a warning flag if the temperature exceeds the Auxiliary Temperature Warning Threshold configuration parameter PID 0x8055 This flag will remain set until the temperature falls below the Auxiliary Temperature Recover Threshold configuration parameter PID 0 8056 2 4 1 5 High Input Voltage The firmware monitors the input voltage and will set a warning flag if it exceeds the Vin Over Voltage Warning Threshold configuration parameter PID Ox8044 This flag will remain set until the voltage falls below the Vin Over Voltage Recover Threshold configuration parameter PID 0 8045 2 4 1 6 High Output Voltage The firmware monitors the DC output voltage and will set a warning flag if it exceeds the Vout Over Voltage Warning Threshold
79. resents the hardware revision of the DSP control board running the application 4 2 2 17 Isolated Digital Input Status This register reports the state of the four isolated digital inputs located on connector J9 The input state for each pin is mapped to the lower 4 bits in this register according to the table below When a voltage is applied across the input pins the corresponding bit in this register will return a 1 When OV is applied across the input i e the optically isolated input is OFF the corresponding bit in this register will return a 0 Note two of the four isolated inputs INO and IN1 may be configured to monitor contactor state and may therefore be unavailable as general purpose inputs See the Contactor Monitor Enables configuration parameter PID 0x809A for further details J9 Pin J9 Pin 4 Input Return __ mo t1 5 1 2 6 3 m 4 8 Publication UM 0048 Parameter Register Interface 4 3 Non Volatile Configuration Registers Many operating parameters in this application have been made configurable so as to support the various DC DC Converter product variants as well as to support other similar products in the future As such the software contains provisions for storing these configuration parameters in an external non volatile EEPROM device CAUTION EEPROM devices have limited write cycle capability While they can handle 1 million write cycles care should be taken not to contin
80. t Configuration Publication UM 0048 Functional Description Pre Charge Circuitry K1 L V 1 2 3 V Bt d E AS Ce Power Module _ Va gt Vsense Internal Vsense External Figure 3 Pre Charge Circuit Buck Configuration 2 2 Description of Operation Figure 4 presents a block diagram of the control scheme employed in the firmware The output voltage controller consists of a digital proportional integral PI compensator The reference input to the controller sets the value of the desired DC output voltage to be maintained This reference is compared to the measured output voltage providing the voltage error input to the compensator The output of the compensator represents the output current command which is limited to a min max value before being attenuated by the interleaved phase count The attenuated and limited voltage regulator output serves as the current loop reference for each of the interleaved phases The current error is calculated as the difference between this reference and each of the measured phase currents A voltage feed forward compensated PI regulator is used to calculate the PWM duty cycle command for each phase la measured Optional Interleaved Phase Control E Plreg P PWM lim lg measured
81. ted Publication UM 0048 OZDSP3000 Hardware Interfacing 2 4 2 14 Relay Driver Hardware Error The controller monitors the status of the relay drive circuit on the control board that is used to drive the precharge and main line contactors This hardware circuit provides the ability to detect open load short circuit over voltage and over current conditions A fault is asserted if any of these conditions are reported 2 4 2 15 Communications Timeout If the CAN bus interface is used and the CAN Timeout configuration parameter PID 0x8011 is set to a non zero value the controller will monitor the amount of time elapsed between received CAN messages A fault will be asserted if the specified timeout threshold is exceeded 2 4 2 16 Configuration Memory Error This fault occurs any time a read from the configuration memory is performed and the CRC for the block being read does not match the CRC stored in the memory This may occur if the data was corrupted in transmission during the read or this may occur if the data stored in memory was corrupted Unlike all other fault sources this fault condition is not cleared with the Fault Reset command PID 0x0004 as the fault condition indicates the possibility that the control parameters are not as intended Instead this fault is considered a major system fault and needs to be addressed as follows 1 Attempt to reload the system configuration using the Configuration Reload command PID 0x0007 or cyc
82. ter ON 2 to 255 Not Supported 4 2 1 2 Control Mode This register is used to set the converter s Control mode Note that writes to this register are only allowed if the converter is in the Idle or Off state Control modes are enumerated as follows Value Mode Voltage Control Mode Current Control Mode 2 255 Unknown Reserved for future use 4 2 1 3 Output Voltage Setpoint This register is used to adjust the desired output voltage set point when the converter is operating in voltage control mode The default voltage following a power on reset is specified in the configuration memory see Section 4 3 3 4 for details The value sent in this command does not change the default voltage stored in the configuration memory rather it merely provides a dynamic and temporary override from the default value Publication UM 0048 Parameter Register Interface 4 2 1 4 Output Current Setpoint This register is used to adjust the desired output current set point when the converter is operating in current control mode The default current following a power on reset is specified in the configuration memory see Section 4 3 3 4 for details The value sent in this command does not change the default current stored in the configuration memory rather it merely provides a dynamic and temporary override from the default value 4 2 1 5 Fault Reset This register is used to reset any latched fault conditions and to return the controller to th
83. the Destination Group Module when responding so this parameter is not used for those messages For more information see FS 0067 4 3 2 8 Update Rate Voltage Status Messages This parameter specifies the rate at which Input and Output Voltage Status CAN messages will be automatically transmitted by the firmware This value specifies the period between message transmissions in terms of milliseconds Setting this parameter to zero disables automatic periodic transmission of this message All other values 1ms 65 535ms are valid 4 3 2 9 Update Rate Current Status Messages This parameter specifies the rate at which IMP A and IMP B Current Status CAN messages will be automatically transmitted by the firmware This value specifies the period between message transmissions in terms of milliseconds Setting this parameter to zero disables automatic periodic transmission of this message All other values 1ms 65 535ms are valid 4 3 2 10 CAN Update Rate System Status Message This parameter specifies the rate at which System Status CAN messages will be automatically transmitted by the firmware This value specifies the period between message transmissions in terms of milliseconds Setting this parameter to zero disables automatic periodic transmission of this message All other values 1ms 65 535ms are valid Interleaved Buck Boost DC DC Controller User s Manual Parameter Register Interface 4 3 2 11 CAN Update Rate
84. uously write to Configuration Registers Poorly designed HMI and master controller applications that needlessly update configuration registers in a continuous fashion serve no purpose and will result in premature EEPROM failure Once one or more configuration parameters have been updated by writing to the applicable configuration register the actual operating configuration variables remain unaffected until one of two events occur either the user cycles power on the control board or the Configuration Reload command register PID 0x0007 is written to In the second case the reload is only allowed if the converter is not enabled Attempts to reload the system configuration while the converter is in operation will result in the command being ignored and an error being reported in the Register Operation Status register PID 0x4016 The Configuration Reset command register PID Ox0006 is used to reset the EEPROM back to the original factory default values The user should take care when using this command as any custom configuration settings will be lost when the entire contents of the configuration memory is overwritten with the specified factory defaults This command is only allowed if the converter is not enabled Attempts to reset the EEPROM data while the converter is in operation will result in the command being ignored and an error being reported in the Register Operation Status register There are multiple scenarios in which the firmware
85. ur product has expired if the unit was damaged by misuse or incorrect installation if other conditions of the warranty have not been met or if no dated proof of purchase is available your unit may be serviced or replaced for a flat fee If a unit cannot be serviced due to damage beyond salvation or because the repair is not economically feasible a labor fee may still be incurred for the time spent making this determination To return your product for out of warranty service contact Oztek Customer Service for a Return Material Authorization RMA number and follow the other steps outlined in Return Procedure Payment options such as credit card or money order will be explained by the Customer Service Representative In cases where the minimum flat fee does not apply as with incomplete units or units with excessive damage an additional fee will be charged If applicable you will be contacted by Customer Service once your unit has been received Interleaved Buck Boost DC DC Controller User s Manual
86. ut current and asserts a fault if it exceeds the Jout Over Current Fault Threshold configuration parameter PID Ox804A In the case of an Interleaved topology the output current is the sum of the interleaved phase currents Interleaved Buck Boost DC DC Controller User s Manual Functional Description 2 4 2 6 Software Vin Over Voltage The firmware monitors the input voltage and will assert a fault if it exceeds the Input Over Voltage Fault Threshold configuration parameter PID 0x8043 2 4 2 7 Software Vin Under Voltage The firmware monitors the input voltage and will assert a fault if it falls below the Vin Under Voltage Fault Threshold configuration parameter PID 0x8040 while the converter is in the ON state 2 4 2 8 Software Output Over Voltage The firmware monitors the DC output voltage and will assert a fault if it exceeds the Vout Over Voltage Fault Threshold configuration parameter PID 0 8046 2 4 2 9 Software Auxiliary Over Temperature If the Auxiliary Temperature Sensor Enable configuration parameter PID 0x807A is set to TRUE the controller will monitor the external temperature sensor and assert a fault if the temperature exceeds the Auxiliary Temperature Fault Threshold configuration parameter PID 0x8054 2 4 2 10 Calibration Error When first powering up the control board the software attempts to calibrate the controller s internal ADC This error is asserted if the controller is unable to perform the required
87. y PID es Description Units 0 8098 U16 Pre charge Enable FALSE FALSE TRUE RW 0x8099 U16 Contactor Enables ENUM 0 0 3 RW U16 Contactor Monitor Enables ENUM 0 0 3 RW 0 809 016 Connect Voltage Threshold 0 1 950 0 1000 RW Ox809C U16 Contactor Debounce Time 1 ms 10 1 10000 RW Ox809D U16 Contactor Close Time 1 ms 500 1 10000 RW Ox809E U16 Pre charge Timeout Threshold 1 ms 20000 0 65535 RW 4 3 11 1 Pre charge Enable This Boolean parameter enables the use of the pre charge contactor control in the DC DC controller If this parameter is set to FALSE it is assumed that the pre charge function is performed by another piece of equipment In this case the controller will not attempt to close any contactors pre charge or main input when first starting up Instead it simply transitions to the IDLE state once above the minimum voltage specified in the Vin Under Voltage Fault Threshold parameter If this parameter is set to TRUE the DC DC controller will attempt to close the pre charge contactor if enabled prior to entering the CHARGE state Once in the CHARGE state the controller will wait for the voltage to rise to the specified Connect Voltage Threshold At this point the pre charge contactor will be opened and the main input contactor will be closed if enabled Publication UM 0048 Parameter Register Interface

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