Allen-Bradley PowerFlex 70 User Manual
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Allen-Bradley PowerFlex 70 User Manual

Adjustable frequency ac drives
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User Manual
Original Instructions
PowerFlex 70 Adjustable Frequency AC Drives
Standard Control Firmware, Revision 2.xxx
Enhanced Control Firmware, Revision 2.xxx...5.xxx
Bulletin Number 20A

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Summary of Contents for Allen-Bradley PowerFlex 70

  • Page 1 User Manual Original Instructions PowerFlex 70 Adjustable Frequency AC Drives Standard Control Firmware, Revision 2.xxx Enhanced Control Firmware, Revision 2.xxx…5.xxx Bulletin Number 20A...
  • Page 2 Important User Information Read this document and the documents listed in the additional resources section about installation, configuration, and operation of this equipment before you install, configure, operate, or maintain this product. Users are required to familiarize themselves with installation and wiring instructions in addition to requirements of all applicable codes, laws, and standards.

  • Page 3: Table Of Contents

    Table of Contents Preface About This Publication..........5 What Is Not in This Publication .
  • Page 4 Table of Contents Testpoint Codes and Functions ........85 Common Symptoms and Corrective Actions .

  • Page 5: Preface

    Preface The purpose of this manual is to provide you with the basic information that is needed to program and troubleshoot the PowerFlex 70 Adjustable Frequency AC Drive. Topic Page About This Publication What Is Not in This Publication Additional Resources...

  • Page 6: Additional Resources

    PowerFlex 70 Adjustable Frequency AC Drive Installation Provides the five basic steps that are needed to install Instructions, publication 20A-IN009 and perform a basic startup of the PowerFlex 70 drive. PowerFlex 70 and 700 Reference Manual - Vol. 1, Provides detailed information for specifications and publication...

  • Page 7: Manual Conventions

    Preface Manual Conventions In this manual we refer to the PowerFlex 70 Adjustable Frequency AC Drive as; drive, PowerFlex 70, or PowerFlex 70 Drive. To help differentiate parameter names and Liquid Crystal Display (LCD) text from other text, the following conventions are used: •...

  • Page 8: General Precautions

    Measure the DC bus voltage at the +DC terminal of the Power Terminal Block and the -DC test point (refer to PowerFlex 70 Adjustable Frequency AC Drive Installation Instructions, publication 20A-IN009 for locations).

  • Page 9: Output Contactor Precaution

    Preface ATTENTION: Nuisance tripping can occur in Standard Control firmware revision 1.011 and earlier due to unstable currents. When using a motor that is connected for a voltage that differs from the drive (for example, by using a 230V connected motor with a 460V drive) the following adjustment must be made to “Stability Gain”...

  • Page 10: Catalog Number Explanation

    Preface Catalog Number Explanation 1…3 5…7 2P2 A Drive PowerFlex 70 ND Rating PowerFlex 70 ND Rating Code Type 400V, 50 Hz Input 600V, 60 Hz Input 20 A PowerFlex 70 Code Amps Frame Code Amps Frame 0.37 0.37 0.75 0.75...

  • Page 11: Programming And Parameters

    Chapter Programming and Parameters This chapter provides a complete list and descriptions of the PowerFlex® 70 drive parameters. The parameters are programmed (viewed/edited) by using a Light-emitting Diode (LED) or LCD Human Interface Module (HIM). You can also use DriveExplorer™ or DriveExecutive™ software and a personal computer to program the drive.
  • Page 12 Chapter 1 Programming and Parameters Parameter Name and Description Values [Load Frm Usr Set] Default: “Ready” Loads a previously saved set of parameter values Options: “Ready” from a selected user set location in drive “User Set 1” nonvolatile memory to active drive memory. “User Set 2”...

  • Page 13: How Parameters Are Organized

    The LED HIM displays parameters in numbered list order. Access parameters by first selecting the file letter, then a parameter number. IMPORTANT The PowerFlex 70 Enhanced Control drive does not support the LED HIM. File Letter Designations The LED HIM identifies each parameter by file letter and parameter number.

  • Page 14: Lcd Him (Human Interface Module)

    Lvl], you have the option to display all parameters, commonly used parameters, or diagnostic parameters. Control Options Two different control options are available for the PowerFlex 70, standard and enhanced. • Standard control drives provide volts per hertz and sensorless vector operation.

  • Page 15: Basic Parameter View - Standard Control

    Programming and Parameters Chapter 1 Basic Parameter View – Standard Control Parameter 196 [Param Access Lvl] set to option 0 “Basic.” File Group Parameters Monitor Metering Output Freq Commanded Freq M o n it Output Current DC Bus Voltage F il e A Motor Control Motor Data Motor NP Volts...

  • Page 16: Basic Parameter View - Enhanced Control

    Chapter 1 Programming and Parameters Basic Parameter View – Enhanced Control Parameter 196 [Param Access Lvl] set to option 0 “Basic.” File Group Parameters Monitor Metering Output Freq Commanded Freq M o n it Output Current Torque Current F il e A DC Bus Voltage Commanded Torque**024 Motor Control...

  • Page 17: Advanced Parameter View - Standard Control

    Programming and Parameters Chapter 1 Advanced Parameter View – Standard Control Parameter 196 [Param Access Lvl] set to option 1 “Advanced.” File Group Parameters Monitor Metering Output Freq Output Voltage MOP Frequency Commanded Freq Output Power DC Bus Voltage M o n it Output Current Output Powr Fctr DC Bus Memory...
  • Page 18 Chapter 1 Programming and Parameters File Group Parameters Utility Direction Config Direction Mode U ti li ty HIM Ref Config Save HIM Ref Man Ref Preload MOP Config Save MOP Ref F il e E MOP Rate Drive Memory Param Access Lvl Save To User Set Voltage Class Reset To Defalts...

  • Page 19: Advanced Parameter View - Enhanced Control

    Programming and Parameters Chapter 1 Advanced Parameter View – Enhanced Control Parameter 196 [Param Access Lvl] set to option 1 “Advanced.” File Group Parameters Monitor Metering Output Freq Output Powr Fctr Torque Estimate Commanded Freq Elapsed MWh Analog In1 Value M o n it Output Current Elapsed Run Time...
  • Page 20 Chapter 1 Programming and Parameters File Group Parameters Dynamic Control Restart Modes Powerup Delay Auto Rstrt Tries Wake Level Start At Powerup Auto Rstrt Delay Wake Time D y n a m ic C o n tr o l Flying Start En Sleep Wake Mode Sleep Level Flying StartGain...

  • Page 21: Monitor File (File A)

    Programming and Parameters Chapter 1 File Group Parameters Inputs and Outputs Analog Inputs Anlg In Config Analog In 1 Lo Analog In 2 Lo Anlg In Sqr Root Analog In 1 Loss Analog In 2 Loss In p u ts &...
  • Page 22 Chapter 1 Programming and Parameters Parameter Name and Description Values [Elapsed Run Time] Default: Read Only Accumulated time drive is outputting power. Min/Max: 0.0/429496729.5 Hrs Units: 0.1 Hrs [MOP Frequency] Default: Read Only Value of the signal at MOP (Motor Operated Min/Max: ±[Maximum Frequency] Potentiometer).

  • Page 23: Motor Control File (File B)

    Programming and Parameters Chapter 1 Motor Control File (File B) Parameter Name and Description Values [Motor Type] Default: “Induction” Set to match the type of motor connected. Options: “Induction” “Synchr Reluc” Important: Selecting option 1 or 2 also “Synchr PM” requires selection of “Custom V/Hz,”...
  • Page 24 Chapter 1 Programming and Parameters Parameter Name and Description Values [Motor OL Mode] E C v3 If “0” [Motor OL Count], P220 is reset to zero by a drive reset or a power cycle. If “1” the value is maintained. A “1” to “0” transition resets [Motor OL Count], P220 to zero. 1 =Enabled 0 =Disabled x =Reserved...
  • Page 25 Programming and Parameters Chapter 1 Parameter Name and Description Values [Compensation] 140… Enables/disables correction options. 1 =Enabled 0 =Disabled x =Reserved Nibble 4 Nibble 3 Nibble 2 Nibble 1 Bit # Factory Default Bit Values Enhanced firmware 1.001 & later. Enhanced firmware 2.001 &...
  • Page 26 Chapter 1 Programming and Parameters Parameter Name and Description Values [Autotune] Default: “Calculate” Provides a manual or automatic method for Options: “Ready” setting P62 [IR Voltage Drop] and P63 [Flux “Static Tune” Current Ref] to affect sensorless vector “Rotate Tune” performance.
  • Page 27 Programming and Parameters Chapter 1 Parameter Name and Description Values [IXo Voltage Drop] Default: Based on Drive Rating E C v2 Value of voltage drop across the leakage Min/Max: 0.0/Motor NP Volts inductance of the motor at rated motor current. Units: 0.1V AC Used only when parameter 53 is set to “FVC...
  • Page 28 Chapter 1 Programming and Parameters Parameter Name and Description Values [Pos Torque Limit] Default: 200.0% E C v2 Defines the torque limit for the positive torque Min/Max: 0.0/800.0% reference value. The reference cannot exceed Units: 0.1% this value. [Neg Torque Limit] Default: –200.0% E C v2...
  • Page 29 Programming and Parameters Chapter 1 Parameter Name and Description Values [Motor NP Hertz]  0.25 [Break Frequency] Default: Sets the [Break Voltage] output frequency of Min/Max: 0.0/[Maximum Freq] the drive. Units: 0.1 Hz Refer to parameter 083 [Overspeed Limit]. [Motor Fdbk Type] Default: “Quadrature”...

  • Page 30: Speed Command File (File C)

    Chapter 1 Programming and Parameters Speed Command File (File C) Parameter Name and Description Values [Speed Mode] Default: “Open Loop” 121… Standard Sets the method of speed regulation. Options: “Open Loop” “Slip Comp” “Process PI” [Feedback Select] Default: “Open Loop” Selects the source for motor speed feedback.
  • Page 31 Programming and Parameters Chapter 1 Parameter Name and Description Values [Skip Frequency 1] Default: 0.0 Hz [Skip Frequency 2] Default: 0.0 Hz [Skip Frequency 3] Default: 0.0 Hz Sets a frequency where the drive does not Min/Max: ±500.0 Hz operate. Units: 0.1 Hz [Skip Freq Band]...
  • Page 32 Chapter 1 Programming and Parameters Parameter Name and Description Values [Speed Ref A Sel] Default: “Analog In 2” 091… Selects the source of the speed reference to the Options: “Analog In 1” drive unless [Speed Ref B Sel] or [Preset Speed “Analog In 2”...
  • Page 33 Programming and Parameters Chapter 1 Parameter Name and Description Values [TB Man Ref Sel] Default: “Analog In 1” Sets the manual speed reference source when a Options: “Analog In 1” digital input (parameter 361…366) is “Analog In 2” configured for “Auto/Manual.” 3…8 “Reserved”...
  • Page 34 Chapter 1 Programming and Parameters Parameter Name and Description Values [Jog Speed] Default: 10.0 Hz 361… Standard Sets the output frequency when a jog Min/Max: ±[Maximum Speed] command is issued. Units: 0.1 Hz [Jog Speed 1] Default: 10.0 Hz Sets the output frequency when Jog Speed 1 is Min/Max: ±[Maximum Speed] selected.
  • Page 35 Programming and Parameters Chapter 1 Parameter Name and Description Values [Trim Out Select] Specifies the speed references to be trimmed. To apply negative trim, P190 [Direction Mode] must be set to 1 “Bipolar.” 1 =Trimmed 0 =Not Trimmed x =Reserved Nibble 4 Nibble 3 Nibble 2...
  • Page 36 Chapter 1 Programming and Parameters Parameter Name and Description Values [PI Control] 361… Controls the PI regulator. 1 =Enabled 0 =Disabled x =Reserved Nibble 4 Nibble 3 Nibble 2 Nibble 1 Bit # Factory Default Bit Values [PI Reference Sel] Default: “PI Setpoint”...
  • Page 37 Programming and Parameters Chapter 1 Parameter Name and Description Values [PI Upper Limit] Default: +[Maximum Freq] 124… 100% Sets the upper limit of the PI output. Min/Max: ±400.0 Hz ±800.0% Units: 0.1 Hz 0.1% [PI Preload] 124… Default: 0.0 Hz 100.0% Sets the value that is used to preload the integral component on start or enable.
  • Page 38 Chapter 1 Programming and Parameters Parameter Name and Description Values [PI Reference Hi] Default: 100.0% Scales the upper value of [PI Reference Sel] of Min/Max: ±100.0% the source. Units: 0.1% [PI Reference Lo] Default: –100.0% Scales the lower value of [PI Reference Sel] Min/Max: ±100.0% of the source.
  • Page 39 Programming and Parameters Chapter 1 Parameter Name and Description Values [Speed Desired BW] Default: 0.0 Radians/Sec E C v2 Sets the speed loop bandwidth and determines Min/Max: 0.0/250.0 Radians/Sec the dynamic behavior of the speed loop. As Units: 0.1 Radians/Sec bandwidth increases, the speed loop becomes more responsive and can track a faster changing speed reference.

  • Page 40: Dynamic Control File (File D)

    Chapter 1 Programming and Parameters Dynamic Control File (File D) Parameter Name and Description Values [Accel Time 1] Default: 10.0 s [Accel Time 2] 10.0 s Sets the rate of accel for all speed increases. Min/Max: 0.0/3600.0 s Units: 0.1 s Max Speed 361…...
  • Page 41 Programming and Parameters Chapter 1 Parameter Name and Description Values [Droop RPM @ FLA] Default: 0.0 rpm E C v2 Selects amount of droop that the speed Min/Max: 0.0/200.0 rpm reference is reduced when at full load torque. Units: 0.1 rpm Zero disables the droop function.
  • Page 42 Units: function is created by a PWM algorithm and can fail to generate the smooth holding force that is needed for some applications. Refer to the PowerFlex 70 and 700 Adjustable Frequency AC Drive Reference Manual, publication PFLEX- RM001. Important: Frame E drives can be limited to less than 150% depending on the setting of parameter 151 [PWM Frequency].
  • Page 43 Programming and Parameters Chapter 1 Parameter Name and Description Values [Bus Reg Mode A] Default: “Adjust Freq” [Bus Reg Mode B] “Both-Frq 1st” Active bus regulation mode. Choices are Options: “Disabled” dynamic brake, frequency adjust or both. “Adjust Freq” Sequence is determined by programmed value “Dynamic Brak”...
  • Page 44 Chapter 1 Programming and Parameters Parameter Name and Description Values [Flux Braking] Default: “Disabled” E C v2 Set to use an increase in the motor flux current Options: “Disabled” to increase the motor losses, and enables a “Enabled” faster deceleration time when a chopper brake or regenerative capability is not available.
  • Page 45 Programming and Parameters Chapter 1 Parameter Name and Description Values [Flying Start En] Default: “Disabled” Enables/disables the function that reconnects to Options: “Disabled” a spinning motor at actual rpm when a start “Enabled” command is issued. [Flying StartGain] Default: 4000 Sets the response of the flying start function.
  • Page 46 Chapter 1 Programming and Parameters Parameter Name and Description Values [Sleep Wake Mode] Default: “Disabled” 179… E C v2 Enables/disables the Sleep/Wake function. Options: “Disabled” Important: When enabled, the following “Direct” (Enabled) conditions must be met: “Invert” (Enabled) · A proper value must be programmed for [Sleep Level] and [Wake Level].
  • Page 47 Programming and Parameters Chapter 1 Parameter Name and Description Values [Sleep Wake Ref] Default: “Analog In 2” E C v2 Selects the source of the input controlling the Options: “Analog In 1” Sleep-Wake function. “Analog In 2” 320… [Wake Level] Default: 6.000 mA, 6.000 Volts E C v2...

  • Page 48: Utility File (File E)

    Chapter 1 Programming and Parameters Utility File (File E) Parameter Name and Description Values [Direction Mode] Default: “Unipolar” 320… Selects the method for changing drive Options: “Unipolar” 361… direction. “Bipolar” “Reverse Dis” Mode Direction Change Unipolar Drive Logic Bipolar Sign of Reference Reverse Dis Not Changeable [Save HIM Ref]...
  • Page 49 Programming and Parameters Chapter 1 Parameter Name and Description Values [Save MOP Ref] Enables/disables the feature that saves the present MOP frequency reference at power down or at stop. 361… 1 =Save 0 =Do Not Save x =Reserved Nibble 4 Nibble 3 Nibble 2 Nibble 1...
  • Page 50 Chapter 1 Programming and Parameters Parameter Name and Description Values [Language] Default: “Not Selected” Options: “Not Selected” Selects the display language when you are “English” using an LCD HIM. This parameter is not “Français” functional with an LED HIM. “Español” “Italiano”...
  • Page 51 Programming and Parameters Chapter 1 Parameter Name and Description Values [Dyn UserSet Actv] Read Only E C v2 Indicates the active user set and if the operation is dynamic or normal. 361… 1 =Condition True 0 =Condition False x = Reserved Nibble 4 Nibble 3 Nibble 2...
  • Page 52 Chapter 1 Programming and Parameters Parameter Name and Description Values [Drive Alarm 1] Read Only Alarm conditions that currently exist in the drive. Chapter 2 for information on Type 1 alarms. 1 =Condition True 0 =Condition False x =Reserved Nibble 4 Nibble 3 Nibble 2 Nibble 1...
  • Page 53 Programming and Parameters Chapter 1 Parameter Name and Description Values [Speed Ref Source] Default: Read Only Displays the source of the speed reference to Options: “PI Output” the drive. “Analog In 1” “Analog In 2” Displays after Start is pressed. 3…7 “Reserved”...
  • Page 54 Chapter 1 Programming and Parameters Parameter Name and Description Values [Dig In Status] Read Only 361… Status of the digital inputs. 1 =Input Present 0 =Input Not Present x =Reserved Nibble 4 Nibble 3 Nibble 2 Nibble 1 Bit # Enhanced firmware 2.001 &...
  • Page 55 Programming and Parameters Chapter 1 Parameter Name and Description Values [Drive Status 3] Read Only E C v3 Present operating condition of the drive. Manual Mode - See “Manual” Speed Sources on page 111. Fast Braking - Fast Braking is active, see [Stop/Brk Mode A] [Stop/Brk Mode B] on page 1 =Condition True...
  • Page 56 Chapter 1 Programming and Parameters Parameter Name and Description Values [Status 2 @ Fault] Read Only 224… Captures and displays [Drive Status 2] bit pattern at the time of the last fault. 1 =Condition True 0 =Condition False x =Reserved Nibble 4 Nibble 3 Nibble 2...
  • Page 57 Programming and Parameters Chapter 1 Parameter Name and Description Values [Testpoint 1 Sel] Default: [Testpoint 2 Sel] Min/Max: 0/999 Selects the function whose value is displayed 0/65535 value in [Testpoint x Data]. Units: These are internal values that are not accessible through parameters.
  • Page 58 Chapter 1 Programming and Parameters Parameter Name and Description Values [Fault 1 Code] Default: Read Only [Fault 2 Code] Min/Max: 0/9999 [Fault 3 Code] 0/65535 [Fault 4 Code] Units: A code that represents the fault that tripped the drive. The codes appear in these parameters in the order they occur ([Fault 1 Code] = the most recent fault).

  • Page 59: Communication File (File H)

    Programming and Parameters Chapter 1 Parameter Name and Description Values [Flux Braking %] Default: 125 Gain adjustment for Flux Braking mode. Min/Max:100/250 (Percentage of normal output voltage.) Units:% This parameter is only viewable when P196 [Param Access Lvl] = 2 “Reserved.”...
  • Page 60 Chapter 1 Programming and Parameters Parameter Name and Description Values [DPI Port Select] Default: “Not Used” Selects the port reference value that appears in [DPI Options: “Not Used” Port Value]. “DPI Port 1” “DPI Port 2” “DPI Port 3” “Reserved” “DPI Port 5”...
  • Page 61 Programming and Parameters Chapter 1 Parameter Name and Description Values [MOP Mask] See P276 [Logic Mask]. 288… Controls the adapters that can issue MOP commands to the drive. [Local Mask] 288… See P276 [Logic Mask]. Controls the adapters that take exclusive control of drive logic commands (except stop).
  • Page 62 Chapter 1 Programming and Parameters Parameter Name and Description Values [Local Owner] See P288 [Stop Owner]. 276… Adapter that has requested exclusive control of all drive logic functions. If an adapter is in local lockout, all other functions (except stop) on all other adapters are locked out and non-functional.
  • Page 63 Programming and Parameters Chapter 1 Parameter Name and Description Values [Port Mask Act] E C v2 Active status for port communication. 1 =Not Masked 0 =Masked x =Reserved Nibble 4 Nibble 3 Nibble 2 Nibble 1 Bit # Factory Default Bit Values [Write Mask Cfg] E C v2 Enables/disables write access (parameters, and so on) for ports.

  • Page 64: Inputs And Outputs File

    Chapter 1 Programming and Parameters Inputs and Outputs File (File J) Parameter Name and Description Values [Anlg In Config] Selects the mode for the analog inputs. 1 =Current 0 =Voltage x =Reserved Nibble 4 Nibble 3 Nibble 2 Nibble 1 Bit # Factory Default Bit Values [Anlg In Sqr Root]...
  • Page 65 Programming and Parameters Chapter 1 Parameter Name and Description Values [Anlg Out Config] Selects the mode for the analog outputs. 1 =Current 0 =Voltage x =Reserved Nibble 4 Nibble 3 Nibble 2 Nibble 1 Bit # Factory Default Bit Values [Anlg Out Absolut] Selects whether the signed value or absolute value of a parameter is used before being scaled to drive the analog output.
  • Page 66 Chapter 1 Programming and Parameters Parameter Name and Description Values [Analog Out1 Hi] Default: 10.00 Volts Sets the analog output value when the source Min/Max: 0.00/10.00 Volts value is at maximum. 0.00/20.00 mA Units: 0.01 Volts 0.01 mA [Analog Out1 Lo] Default: 0.00 Volts Sets the analog output value when the source...
  • Page 67 “Jog 2” A dedicated hardware enable input is available via a “PI Invert” jumper selection. Refer to I/O Wiring Examples in the 36…40 “Reserved” PowerFlex 70 Adjustable Frequency AC Drive 41, 42 “UserSet Sel1-2” Installation Instructions, publication 20A-IN009. (5)(12) “Run Level”...
  • Page 68 Chapter 1 Programming and Parameters Parameter Name and Description Values Typical 3-Wire Inputs - Requires that only 3-wire functions are chosen. Including 2-wire selections causes a type 2 alarm. (10) Typical 2-Wire Inputs - Requires that only 2-wire functions are chosen. Including 3-wire selections causes a type 2 alarm.
  • Page 69 “At Speed” that condition is removed. Refer to I/O Wiring “At Freq” Examples in the PowerFlex 70 Adjustable Frequency AC “At Current” Drive Installation Instructions, publication 20A-IN009. “At Torque” Activation level is defined in [Dig Outx Level] below.

  • Page 70: And [Digital Outx Sel]

    Chapter 1 Programming and Parameters Selected Option Definitions – [Analog Outx Sel], [Digital Inx Sel], and [Digital Outx Sel] Option Description Related At Speed Relay changes state when drive has reached commanded speed. Excl Link Links digital input to a digital output if the output is set to “Input 1-6 Link.” Input 1…6 Link When Digital Output 1 is set to of these (for example, Input 3 Link) in conjunction with Digital Input 3 set to “Excl Link,”...

  • Page 71: Applications File (File K)

    Programming and Parameters Chapter 1 Applications File (File K) Parameter Name and Description Values page 13 for Symbol Descriptions [Fiber Control] E C v3 Controls the Sync and Traverse functions. 1 =Enabled 0 =Disabled x =Reserved Nibble 4 Nibble 3 Nibble 2 Nibble 1 Bit #...

  • Page 72: Parameter Cross Reference - By Name

    Chapter 1 Programming and Parameters Parameter Cross Parameter Name Number Group Page Parameter Name Number Group Page DC Brake Lvl Sel Stop/Brake Reference – by Name Accel Mask Masks and Modes Owners DC Brake Time Stop/Brake Accel Owner Masks and Modes Owners DC Bus Memory...
  • Page 73 Programming and Parameters Chapter 1 Parameter Name Number Group Page Parameter Name Number Group Page Fault Config 1 Faults MOP Rate MOP Config Fault Frequency Diagnostics Motor Cntl Sel Torq Attributes Fault X Code 243…249 Faults Motor Fdbk Type Speed Feedback Fault X Time 244…250...
  • Page 74 Chapter 1 Programming and Parameters Parameter Name Number Group Page Ramped Speed Metering Rated Amps Drive Data Rated kW Drive Data Rated Volts Drive Data Reference Mask Masks and Owners Reference Owner Masks and Owners Regen Power Lim Load Limits Reset Meters Drive Memory Reset To Defalts...
  • Page 75 Programming and Parameters Chapter 1 Parameter Name Number Group Page Status X @ Fault 227, 228 Diagnostics Status 3 @ Fault Diagnostics Stop/Brk Mode X 155, 156 Stop/Brake Modes Stop Owner Masks and Owners SV Boost Filter Torq Attributes Sync Time Fiber Functions TB Man Ref Hi Speed...
  • Page 76 Chapter 1 Programming and Parameters Notes: Rockwell Automation Publication 20A-UM001P-EN-P - February 2018...

  • Page 77: Troubleshooting

    Chapter Troubleshooting This chapter provides information for troubleshooting the PowerFlex 70 drive. It includes a list and descriptions of drive faults (with possible solutions, when applicable) and alarms. Topic Page Faults and Alarms Drive Status Clearing Alarms Testpoint Codes and Functions...

  • Page 78: Him Indication

    Chapter 2 Troubleshooting HIM Indication The LCD and LED HIMs also provide visual notification of a fault or alarm condition. Condition Display Drive is indicating a fault. LCD HIM The LCD HIM immediately reports the fault condition by displaying the following information: ·...

  • Page 79: Fault Descriptions

    Locate and remove the enable hardware enable jumper is removed. jumper on the main control board. Refer to DriveGuard Safe-Off Option (Series B) for PowerFlex 40P and PowerFlex 70 AC Drives, publication PFLEX-UM003, for instructions and location. Safe-Off board has failed. Replace Safe-Off board.
  • Page 80 Chapter 2 Troubleshooting Table 1 - Fault Types, Descriptions, and Actions (continued) Fault Description Action Fatal Faults 900… 2 Diagnostic code indicating a drive malfunction. 1. Cycle power. 2. Replace Main Control Board. 3. Contact Tech Support. Flt QueueCleared No fault displayed. Used as a marker in the Fault Queue indicating that the clear queue function was performed.
  • Page 81 Troubleshooting Chapter 2 Table 1 - Fault Types, Descriptions, and Actions (continued) Fault Description Action OverVoltage 1 DC bus voltage exceeded maximum value. Monitor the AC line for high line voltage or transient conditions. Bus overvoltage can also be caused by motor regeneration.

  • Page 82: Clearing Alarms

    Chapter 2 Troubleshooting Table 1 - Fault Types, Descriptions, and Actions (continued) Fault Description Action Trnsistr OvrTemp 1 Output transistors have exceeded their maximum 1. Verify that maximum ambient operating temperature. temperature has not been exceeded. 2. Check fan. 3. Check for excessive load. UnderVoltage DC bus voltage fell below the minimum value.

  • Page 83: Alarm Descriptions

    Troubleshooting Chapter 2 Alarm Descriptions Table 3 provides a list of alarm messages and descriptions of the cause of the alarm. Table 3 - Alarm Descriptions and Actions Alarm Description Analog in Loss 5 1 An analog input is configured for “Alarm” on signal loss and signal loss has occurred. Bipolar 20 2 Parameter 190 [Direction Mode] is set to “Bipolar”...
  • Page 84 Chapter 2 Troubleshooting Table 3 - Alarm Descriptions and Actions (continued) Alarm Description IR Volts Range 25 2 The drive auto tuning default is “Calculate” and the value that is calculated for IR Drop Volts is not in the range of acceptable values. This alarm clears when all motor nameplate data is properly entered.

  • Page 85: Testpoint Codes And Functions

    Troubleshooting Chapter 2 Table 4 - Alarm Cross Reference Alarm Alarm Alarm Precharge Active Motor Thermistor MaxFreq Conflict UnderVoltage In Phase Loss VHz Neg Slope Power Loss Load Loss IR Volts Range Start At Powerup Ground Warn FluxAmpsRef Rang Analog in Loss Dig In ConflictA Speed Ref Cflct IntDBRes OvrHeat...

  • Page 86: Common Symptoms And Corrective Actions

    3. Set [Fault Clear] to 1 (see page 53). 4. “Clear Faults” on the HIM Diagnostic menu. Incorrect input wiring. Refer to PowerFlex 70 None Wire inputs correctly and/or install jumper. Adjustable Frequency AC Drive Installation Instructions, publication 20A-IN009, for wiring examples.
  • Page 87 A bipolar analog speed command input is None 1. Use meter to check that an analog input voltage incorrectly wired or signal is absent. is present. 2. Check wiring. Refer to PowerFlex 70 Adjustable Frequency AC Drive Installation Instructions, publication 20A-IN009. Positive voltage commands forward direction.
  • Page 88 Chapter 2 Troubleshooting Notes: Rockwell Automation Publication 20A-UM001P-EN-P - February 2018...

  • Page 89: Communication Configurations

    This appendix provides certification, specification, and communication information. Topic Page Communication Configurations Output Devices For product certifications and specifications, see the PowerFlex 70 Adjustable Frequency AC Drive Technical Data, publication 20A-TD001. Communication Typical Programmable Controller Configurations Configurations This section provides information for programmable controller configurations and bit settings for logic command word and logic status word.

  • Page 90: Logic Command Word/ Logic Status Word

    Appendix A Supplemental Drive Information Logic Command Word/ Logic Status Word Table 13 Table 14 provide bit settings for logic command word and logic status word. Table 13 - Logic Command Word Logic Bits 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Command Description x Stop 0 = Not Stop...

  • Page 91: Output Devices

    Supplemental Drive Information Appendix A Table 14 - Logic Status Word Logic Bits 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Status Description x Ready 0 = Not Ready 1 = Ready Active 0 = Not Active 1 = Active...
  • Page 92 Appendix A Supplemental Drive Information Notes: Rockwell Automation Publication 20A-UM001P-EN-P - February 2018...

  • Page 93: External And Internal Connections

    External and Internal Connections LCD Display Elements ALT Functions Removing the HIM Menu Structure Viewing and Editing Parameters External and Internal The PowerFlex 70 drive provides a number of cable connection points (B frame shown). Connections SK-M9-SCB1 Optional Service Connection Board (SK-M9-SCB1)

  • Page 94: Using The Him With A 20-Him-B1 Bezel Kit

    Appendix B HIM Overview Using the HIM with a 20-HIM-B1 Bezel Kit The 20-HIM-B1 bezel kit enables remote HIM or Wireless Interface Module (WIM) operation and provides an additional remote DPI port for accessories. Use the bezel cradle connection to mount the NEMA/UL 1 HIM or NEMA/UL 1 WIM (port 3).

  • Page 95: Lcd Display Elements

    LCD and LED not the last controlling device and does not have Manual control of the drive. Enables value to be entered as an exponent. (Not available on PowerFlex 70.) Param # Enables the entry of a parameter number for viewing/ +/–...

  • Page 96: Menu Structure

    Status Info Drive Status 1 Clear Faults Device Items Drive Status 2 Clr Fault Queue Device Version Drive Alarm 1 PowerFlex 70 EC Reset Device HIM Version Drive Alarm 2 Product Data Speed Ref Source Main Control Board Start Inhibits...

  • Page 97: Viewing And Editing Parameters

    Return all the options for the user display to factory default values. Viewing and Editing The PowerFlex 70 drive is initially set to the basic parameter view. Parameter 196 [Param Access Lvl] controls the parameter views that you can see. The list below...

  • Page 98: Lcd Him

    Appendix B HIM Overview LCD HIM Step Keys Example Displays 1. In the Main Menu, press the up arrow or down arrow to scroll to “Parameter.” 2. Press Enter. “FGP File” appears on the top line FGP: File and the first three files appear below it. Monitor Motor Control Speed Command...
  • Page 99 Appendix Application Notes This appendix provides operational application notes. Topic Page External Brake Resistor Skip Frequency Stop Modes Motor Overload Motor Overload Memory Retention Per 2005 NEC Start at Powerup Overspeed Speed Reference Control Auto/Manual Examples Process PI for Standard Control Voltage Tolerance Rockwell Automation Publication 20A-UM001P-EN-P - February 2018...

  • Page 100: External Brake Resistor

    Appendix C Application Notes External Brake Resistor Figure 1 shows the external brake resistor circuitry. Figure 1 - External Brake Resistor Circuitry Three-Phase AC Input (Input Contactor) M R (L1) S (L2) T (L3) Power Off Power On Power Source DB Resistor Thermostat Rockwell Automation Publication 20A-UM001P-EN-P - February 2018...

  • Page 101: Skip Frequency

    Application Notes Appendix C Skip Frequency Figure 2 shows the skip frequency band parameters. Figure 2 - Skip Frequency Frequency Command Frequency Drive Output Frequency Skip + 1/2 Band 35 Hz Skip Frequency 30 Hz Skip – 1/2 Band 25 Hz Time Some machinery can have a resonant operating frequency that must be avoided to minimize the risk of equipment damage.
  • Page 102 Appendix C Application Notes Table 15 - Skip Frequency Examples Skip Frequency Examples The skip frequency has hysteresis so the Max. Frequency output does not toggle between high and low values. Three distinct bands can be programmed. If none of the skip bands Skip Band 1 touch or overlap, each band has its own Skip Frequency 1...

  • Page 103: Stop Modes

    Application Notes Appendix C Stop Modes Several methods are available for braking or stopping a load as described in the table below. Method Use When Application Requires . . . Braking Power Ramp • The fastest stopping time or fastest ramp time for speed changes (external Most, if an brake resistor or regenerative capability that is required for ramp times faster external resistor...

  • Page 104: Configuration

    Appendix C Application Notes Configuration • [Stop/Brk Mode A], parameter 155 • [Stop/Brk Mode B], parameter 156 – 0 = Coast – 1 = Ramp – 2 = Ramp to Hold – 3 = DC Brake – 4 = Fast Brake •...

  • Page 105: Detailed Operation

    Application Notes Appendix C Detailed Operation Mode Description Coast to Stop Bus Voltage Output Voltage Output Current Motor Speed Command Speed Time Coast Time is load dependent Stop Command Coast is selected by setting [Stop Mode A/B] to a value of “0.” When in Coast to Stop, the drive acknowledges the Stop command by shutting off the drive output and releasing control of the motor.
  • Page 106 Appendix C Application Notes Mode Description Ramp Bus Voltage Output Voltage Output Current Motor Speed Output Current Command Speed Output Voltage Brake Level Time DC Brake Time Stop Zero Command Command Speed This method uses drive output reduction to stop the load. Ramp is selected by setting [Stop Mode A/B] to a value of “1”.

  • Page 107: Motor Overload

    Application Notes Appendix C Mode Description Fast Brake Bus Voltage Output Voltage Output Current Motor Speed Command Speed Time Stop Command This method takes advantage of the characteristic of the induction motor whereby frequencies greater than zero (DC braking) can be applied to a spinning motor that provides more braking torque without causing the drive to regenerate.
  • Page 108 Appendix C Application Notes Operation below 100% current causes the temperature calculation to account for motor cooling. Motor Overload Curve 100000 Cold 10000 1000 Full Load Amps (%) [Motor OL Hertz] defines the frequency where motor overload capacity derate begins. The motor overload capacity is reduced when operating below [Motor OL Hertz].

  • Page 109: Motor Overload Memory Retention Per 2005 Nec

    Application Notes Appendix C Motor Overload Memory The PowerFlex 70 EC (firmware revision 3.002 or later) has the ability to retain the motor overload count at power down per the 2005 NEC motor overtemp Retention Per 2005 NEC requirement. A parameter has been added to provide this functionality. To enable/disable this feature, refer to the information below.

  • Page 110: Speed Reference Control

    Appendix C Application Notes The actual output frequency at maximum speed reference is the sum of the speed reference plus speed adder components from functions such as slip compensation. The Overspeed Limit is entered in Hertz and added to Maximum Speed and the sum of the two (Speed Limit) limit the output frequency.

  • Page 111: Manual" Speed Sources

    Application Notes Appendix C “Manual” Speed Sources The manual source for speed command to the drive is either the HIM requesting manual control (see ALT Functions on page 95) or the control terminal block (analog input 1, 2, or MOP based on P96 [TB Man Ref Sel]) if a digital input is programmed to “Auto/Manual”.

  • Page 112: Auto/Manual Examples

    Appendix C Application Notes Auto/Manual Examples PLC = Auto, HIM = Manual A process is run by a PLC when in Auto mode and requires manual control from the HIM during setup. The auto speed reference is issued by the PLC through a communications module that is installed in the drive.

  • Page 113: Process Pi For Standard Control

    Application Notes Appendix C Process PI for Standard The internal PI function of the PowerFlex 70 provides closed loop process control with proportional and integral control action. The function is designed Control for use in applications that require simple control of a process without external control devices.
  • Page 114 Appendix C Application Notes If a digital input has been configured to “PI Enable, ” two events are required to enable the loop: the digital input must be closed AND bit 0 of the PI Control parameter must be = 1. If no digital input is configured to “PI Enable, ”...

  • Page 115: Voltage Tolerance

    Application Notes Appendix C Voltage Tolerance This section describes voltage tolerances for the different drive ratings. Drive Rating Nominal Line Nominal Motor Drive Full Power Drive Operating Voltage Voltage Range Range 200…40 200† 200…264 180…264 208…264 230…264 380…400 380† 380…528 342…528 400…528 460…528...
  • Page 116 Appendix C Application Notes Notes: Rockwell Automation Publication 20A-UM001P-EN-P - February 2018...
  • Page 118 Rockwell Automation maintains current product environmental information on its website at http://www.rockwellautomation.com/rockwellautomation/about-us/sustainability-ethics/product-environmental-compliance.page. Allen-Bradley, CompactLogix, Connected Components Workbench, ControlLogix, ControlFLASH, DPI, MicroLogix, PLC-5, PowerFlex, Rockwell Software, Rockwell Automation, RSLinx, RSLogix, RSLogix 5000, SLC, Stratix, Studio 5000, Studio 5000 Logix Designer, and TotalFORCE are trademarks of Rockwell Automation, Inc. Trademarks not belonging to Rockwell Automation are property of their respective companies.

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