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ET/EP/EH Series Intelligent Flexible Driver
Manual
Publishing status: standard
Product version: V2.6
ET/EP/EH Series Intelligent Flexible Driver Manual
The copyright of this inverter instruction manual belongs to
Shanghai STEP Electric Corporation
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Electric Co., Ltd.
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Table of Contents
Related Manuals for STEP EP Series
Summarization of Contents
Preface
General Statement
General information about the manual's review and contents.
Content
Information about manual updates and contact details.
About the Guarantee
Guarantee period
Specifies the duration of the product guarantee.
Guarantee scope
Details what is covered and excluded under the warranty terms.
Fault diagnosis
Describes the process for diagnosing faults, including service options.
Error repair
Lists chargeable services for repair and product replacement.
Outside the warranty
Clarifies what is not covered by the warranty.
Safety Instructions
Description of safety-related markings
Explains the meaning of safety signs used in the manual.
Safety Matters
Important safety considerations and precautions for inverter operation.
Purpose
Specifies the intended use of the inverter and its limitations.
Arrival inspection
Guidelines for checking delivered goods for damage or discrepancies.
Transportation and storage
Precautions for safely transporting and storing the inverter.
Installation
Safety warnings and precautions related to installing the inverter.
Electrical connection
Safety guidelines for connecting the inverter's electrical components.
Trial operation
Safety precautions and procedures for the initial operation of the inverter.
Scrap
Information on the disposal of the inverter at the end of its life cycle.
Compliance with the Low Voltage Directive
Details compliance with Low Voltage Directive and related standards.
Others
Additional precautions not covered in previous sections.
Precautions
General precautions for using the inverter and motor.
Motor insulation inspection
Procedure for inspecting motor insulation to prevent inverter damage.
Thermal protection of the motor
Guidance on setting motor protection parameters or using thermal relays.
About motor heat and noise
Explains motor temperature rise, noise, and vibration characteristics.
Attention for input and output
Warnings about connecting capacitors or varistors to the output side.
When used beyond the rated voltage
Precautions for operating the inverter outside its rated voltage range.
Lightning surge protection
Information on the inverter's lightning protection and additional measures.
Leakage protection
Guidelines for installing leakage protectors to prevent misoperation.
Derating use
Conditions for derating inverter output based on temperature and altitude.
About the adaptive motor
Guidance on matching the inverter to the motor and setting parameters.
Product Overview
Description of the nameplate
Explains the information found on the inverter's nameplate.
Product nameplate description
Details the components and information on the inverter's nameplate.
Description of product specifications
Explains how voltage level and rated current are indicated on the nameplate.
Technical performance and specifications of the inverter
Covers input/output voltage, frequency, control modes, and carrier frequency.
Environmental conditions
Details operating requirements for ambient temperature, humidity, vibration, and altitude.
Control panel
Describes the type, connection, display, and keys of the control panel.
Installation dimensions of the inverter
Provides external dimensions and mounting details for inverter installation.
Operator dimensions
Shows the physical dimensions of the inverter's operator panel.
Option of braking unit and braking resistor
Information on selecting and configuring braking units and resistors.
Installation of the Inverter
Installation Steps
Outlines the sequence of steps for inverter installation.
Mechanical installation
Covers mechanical aspects of installation, including environment and orientation.
Installation environment of the product
Details requirements for the installation environment (temperature, humidity, altitude).
Other environmental requirements
Lists additional environmental factors to avoid during installation.
Installation orientation and spacing requirements
Specifies how to orient the inverter and required spacing for ventilation.
Installation orientation
Discusses the correct vertical installation orientation for optimal cooling.
Installation spacing
Provides diagrams and dimensions for required spacing around the inverter.
Installation method
Describes intra-cabinet and middle installation methods for the inverter.
Removal and installation of operation panel and cover plate
Instructions for removing and installing the operator panel and wiring cover.
Opening and closing of the wiring cover
Details how to open and close the inverter's wiring cover.
Wiring of the Inverter
Connection between the inverter and peripheral equipment
Shows the connection diagram for the inverter and its peripheral devices.
Connection of main circuit peripheral devices
Details connections for peripheral devices in the main circuit.
Input power connection
Specifies requirements for connecting the inverter's input power.
Input protection
Explains the need for and types of input protection devices.
Emergency stop device
Emphasizes the inclusion of an emergency stop for safety.
Input power cables/connections
Provides requirements and recommendations for input power cables.
Output power cables/connections
Details technical requirements for connecting motor output cables.
Grounding and wiring
Covers grounding requirements and wiring methods for motor cables.
Inverter terminal wiring
Illustrates the internal layout of the inverter's terminals.
Inverter terminal wiring diagram
Provides a schematic of the universal inverter terminal wiring.
Notes on inverter terminal wiring
Important checks and standards to follow for correct inverter wiring.
Wiring of main circuit terminals
Details the layout and descriptions of main circuit terminals.
The wire specifications of main circuit wiring
Specifies wire sizes and tightening torques for main circuit wiring.
Description on main circuit terminal wiring
Details wiring for power supply and grounding connections.
Power supply
Requirements for connecting the inverter to the protective earth and power supply.
Grounding terminal (PE)
Precautions and methods for proper grounding of the inverter.
Main circuit power input terminals
Specifies how to connect the three-phase AC power to the inverter.
External braking resistor terminals (B1, B2)
Explains how to connect external braking resistors.
External braking unit terminals (B+, B-)
Details the connection of external braking units.
Connection of energy feedback unit (DC+, DC -)
Explains how to connect an energy feedback unit for regenerative braking.
Inverter output terminals (U/T1, V/T2, W/T3)
Instructions for connecting the motor to the inverter's output terminals.
Anti-interference measures
Methods to suppress noise and improve anti-interference performance.
Connect a special noise filter on the output side
Guidance on installing output noise filters to reduce noise.
Layout of the main circuit wiring
Diagrams showing proper layout to suppress radiation interference.
Better anti-interference measures
Advanced techniques for improving noise suppression using filters and shielding.
Relationship between wiring length and carrier frequency
Discusses how wiring length affects performance and carrier frequency adjustments.
Wiring of control circuit terminals
Details the layout and connections for control circuit terminals.
Layout of control circuit terminals
Shows the physical arrangement of control circuit terminals on the inverter.
Control circuit terminal markings
Identifies and lists the markings for control circuit terminals.
Functional descriptions of control circuit terminals
Explains the function and remarks for each control circuit terminal.
Wire specifications for control circuit wiring
Specifies wire types, sizes, and torque for control circuit wiring.
Detailed description of control circuit terminal wiring
Provides detailed wiring methods for switching input terminals.
Analog input terminal
Details the configuration and connection of analog input ports (A0, A1).
On-off output terminal
Explains the definition and function of switching output terminals.
Multifunctional analog output terminal
Describes how the multifunctional analog output terminal defines its function.
Other notes on wiring
Advises keeping control terminal wires away from main circuit power lines.
Commissioning and trial operation
Running command setting
Explains how to set the inverter's operation command channel.
Inverter operation command channel
Details the three types of channels for receiving inverter operation commands.
Inverter frequency setting channel
Describes the four physical channels for setting inverter frequency.
Inverter operating status
Explains the two states of the inverter: shutdown and running.
Inverter operation mode
Describes closed-loop, multi-segment speed, and normal operation modes.
Operation guide
Outlines how users can operate the inverter via the panel.
Introduction to the functions of various parts of the operator
Identifies and explains the functions of the operator's parts.
LCD display
Describes the LCD display as the main window for settings and monitoring.
Operation of LCD operator
Explains the three states of the operator and language settings.
Power-on initialization
Describes initial operation steps after powering on the operator for the first time.
Display after power-on
Explains the default interface displayed after power-on.
[Monitor Status] Details
Details how to set up monitoring displays for inverter status.
Detailed description of [Panel Control]
Explains how to use the panel control for running, stopping, and setting frequency.
Operation status of the operator
Lists the seven operating statuses of the operator.
[Monitoring Settings] status details
Describes the function of the monitoring settings status.
[Debugging Wizard] status details
Explains the debugging wizard for fast parameter setting.
[Parameter Group] status details
Details how to modify parameters using the parameter group status.
Details of [Parameter Processing] status
Explains how to upload, download, and reset parameters.
[Fault Record] status details
How to view recent fault records and related data.
[Self learning] status details
Describes how to perform manual self-learning for motor parameters.
[Query of Modified Parameters] status details
How to view and modify parameters that have been changed.
[System Settings] status details
Covers settings for date/time, program upgrade, and waveform acquisition.
Fault display
Explains how fault codes and names are displayed on the LCD screen.
Function parameter table
Description on function code parameter table
Explains the fields and attributes used in the parameter tables.
Brief table of function code parameters
Provides a summary of parameter groups and their functions.
Group P0X User parameters
Parameters related to user settings and password protection.
Group P1X Control parameters
Basic control parameters for the inverter's operation.
Group P10 Basic control parameters
Covers parameters for selecting control modes and command channels.
Group P11 Start-up parameters
Parameters that define the inverter's start-up behavior.
Group P12 Stopping parameters
Parameters that control how the inverter stops operation.
Group P13 Braking function parameters
Parameters related to the braking functions, including energy consumption.
Group P14 V/F control parameters
Parameters for setting up the V/F control curves.
Group P15 SVC control parameters
Parameters for the SVC (Sensorless Vector Control) mode.
Group P16 Weak magnetism parameters
Parameters for managing weak magnetism control.
Group P17 GVC parameter
Parameters specific to the General Vector Control (GVC) mode.
Group P2X Motor parameters
Parameters for defining motor characteristics and settings.
Group P20 Basic motor parameters
Basic motor parameters like type, power, current, and frequency.
P21 Advanced motor parameters
Advanced motor parameters, including stator/rotor resistance and inductance.
P22 auxiliary motor parameter
Parameters for auxiliary motor functions, especially encoder settings.
P23 protection parameter
Parameters that configure various protection functions for the inverter.
Group P3X Digital parameters
Parameters related to digital input and output functions.
Group P30 Digital input parameters
Parameters for configuring digital input terminals and their functions.
P31 group Digital output
Parameters for configuring digital output terminals.
P32 group Analog input
Parameters for configuring analog input signal types and functions.
P33 Analog output parameters
Parameters for configuring analog output signals.
P4X Group Velocity Parameter Group
Parameters for controlling the inverter's velocity.
P40 Group Basic speed parameters
Basic parameters for setting speed, acceleration, and deceleration times.
P41 Group Digital Multi-speed parameters Group
Parameters for setting multiple digital speed references.
P5X group Process control
Parameters for process control functions.
P50 group Main and auxiliary preset
Parameters for setting main and auxiliary references in open-loop control.
P51 group Process PID
Parameters for PID control, used for process regulation.
Explanation of parameters
Parameter group classification and format
Describes the structure and format of parameter groups.
Parameter group region division
Details the organization of parameters into different groups.
Group P0X User parameters group
Explains user parameters, including password settings.
Group P1X Control parameter group
Details basic control parameters for inverter operation.
Group P10 Basic control parameters
Covers parameters for selecting control modes and command channels.
P10.01 Operation modes
Explains different operation modes for terminal control.
Group P11 Start-up parameters
Parameters that define the inverter's start-up behavior.
Group P12 Stopping parameters
Parameters that control how the inverter stops operation.
Group P13 Braking function parameters
Parameters related to the braking functions, including energy consumption.
Group P14 V/F control parameters
Parameters for setting up the V/F control curves.
Group P15 SVC control parameters
Parameters for Sensorless Vector Control (SVC).
Group P16 Weak magnetism parameters
Parameters for managing weak magnetism control.
Group P17 GVC parameter
Parameters specific to the General Vector Control (GVC) mode.
Group P2X Motor parameters
Parameters for defining motor characteristics and settings.
Group P20 Basic motor parameters
Basic motor parameters like type, power, current, and frequency.
P21 Advanced motor parameters
Advanced motor parameters, including stator/rotor resistance and inductance.
P22 auxiliary motor parameter
Parameters for auxiliary motor functions, especially encoder settings.
P23 protection parameter
Parameters that configure various protection functions for the inverter.
Group P3X Digital parameters
Parameters related to digital input and output functions.
Group P30 Digital input parameters
Parameters for configuring digital input terminals and their functions.
P31 group Digital output
Parameters for configuring digital output terminals.
Group P9X Error and display parameters
Parameters related to error display and system information.
Group P90 Reserved parameters
Reserved parameter group, not for user modification.
P91 group LCD display parameters
Parameters for configuring what is shown on the LCD display.
Group P92 LED display parameters(Reserved parameter)
Reserved parameters for LED display, not for user modification.
Group P93 Operation record parameters
Parameters for recording operational data like power-on and running time.
Group P94 Fault processing
Parameters related to handling different types of inverter faults.
P95 group Version
Displays the hardware and software version information of the inverter.
P96 group Inverter information
Displays fixed parameters and information about the inverter's specifications.
P10.02 Command channel selection
Sets the method for controlling the inverter's start and stop commands.
P10.03 Speed channel 1
Configures the channel for setting the inverter's reference speed.
P11.00 Start modes
Defines different starting methods for the inverter.
P11.05 Excitation time
Sets the time for establishing magnetic flow before motor start.
P11.07 Braking action time (s)
Sets the time duration for braking actions.
P11.08 Tracking delay time (ms)
Adjusts delay for motor demagnetization during tracking.
P11.10 Tracking voltage Kp
Proportional gain (Kp) parameter for tracking voltage control.
P11.11 Tracking voltage Ki
Integral gain (Ki) parameter for tracking voltage control.
P11.12 Tracking voltage Kd
Derivative gain (Kd) for tracking voltage control.
P11.13 Tracking exit delay (ms)
Sets delay for smooth exit from tracking process.
P11.14 Maximum current during tracking (%)
Sets the maximum current limit during tracking operations.
P11.15 Tracking frequency change gain (%)
Adjusts frequency change gain during tracking.
P11.17 Tracking initial frequency (Hz)
Sets the initial frequency for tracking operations.
P11.19 Reverse breaking current (%)
Parameter for reverse breaking current control in lifting applications.
P12 group Stop parameters
Parameters that define how the inverter stops operation.
P12.01 Stopping holding frequency (Hz)
Sets the frequency at which the inverter holds before stopping.
P12.02 Stopping frequency holding time (s)
Sets the duration for holding the stopping frequency.
P12.03 DC braking starting frequency (Hz)
Defines the starting frequency for DC braking.
P12.04 Stopping DC braking current (%)
Sets the DC braking current level.
P12.05 Stopping DC braking time (s)
Sets the duration for DC braking.
P13 group Braking function
Parameters for energy consumption braking option and voltage.
P14 V/F control parameters
Parameters for setting V/F control, including curve settings.
P14.09 V/F voltage V4 (V)
Sets the V/F voltage value V4.
P14.10 V/F frequency F4 (Hz)
Sets the V/F frequency value F4.
P14.12 ACS voltage setting
Sets the ACS voltage.
P14.13 ACS frequency setting
Sets the ACS frequency.
P14.14 Special power type
Selects special power types like VF separation or fire pump control.
P15 group SVC parameter
Parameters for Sensorless Vector Control (SVC) related settings.
P15.08 Imin of MTPA(%)
Minimum control current for MTPA.
P15.09 PM low speed compensation coefficient 1 (%)
Compensation coefficient for low-speed PM motors.
P15.10~P15.16 speed observer related parameters
Speed observer parameters, generally not modified.
P16 group Weak magnetism parameters
Parameters for managing weak magnetism control.
P17 group GVC parameter
Parameters specific to the General Vector Control (GVC) mode.
P17.00 DC injection current (%)
Sets the DC injection current size for start torque.
P17.01 DC injection slope (s)
Defines the slope and speed of start injection current.
P17.02 External synchronization switching frequency (%)
Enables external synchronization and sets the switching frequency point.
P17.03 Low-velocity voltage compensation gain (%)
Improves motor voltage capabilities at low speeds.
P17.04 Voltage compensation upper limit frequency (%)
Sets the upper limit frequency for voltage compensation.
P17.05 Vibration rejection gain
Adjusts current fluctuation rejection for GVC control.
P17.15 Compensation function selection
Selects compensation functions for GVC control.
GVC debugging steps
Steps for debugging GVC control, including parameter reset and self-learning.
GVC common debugging questions and solutions
Addresses common issues in GVC control and provides solutions.
Group P2X Motor parameters
Parameters for defining motor characteristics and settings.
P20 group General parameter
Basic motor parameters like type, power, current, and frequency.
P21 Advanced motor parameters
Advanced motor parameters, including stator/rotor resistance and inductance.
P20.05 Rated voltage of motor 1 (V)
Sets the rated voltage for motor 1.
P20.06 Number of poles of motor 1
Specifies the number of poles for motor 1.
P20.07 Rated slip frequency of motor 1 (Hz)
Sets the rated slip frequency for motor 1.
P20.08 Maximum slip frequency of motor 1 (Hz)
Sets the maximum slip frequency for motor 1.
P20.09 Phase sequence of motor 1
Defines the phase sequence for motor 1.
P20.10 No-load current coefficient of motor 1 (%)
Sets the no-load current coefficient for motor 1.
P20.14 Type of motor 2
Specifies the type of motor 2 (asynchronous or synchronous).
P20.15 Motor 2 rated power (kW)
Sets the rated power for motor 2.
P20.16 Rated current of motor 2 (A)
Sets the rated current for motor 2.
P20.17 Rated frequency of motor 2 (Hz)
Sets the rated frequency for motor 2.
P20.18 Rated speed of motor 2 (rpm)
Sets the rated speed for motor 2.
P20.19 Rated voltage of motor 2 (V)
Sets the rated voltage for motor 2.
P20.20 Number of poles of motor 2
Specifies the number of poles for motor 2.
P20.21 Rated slip frequency of motor 2 (Hz)
Sets the rated slip frequency for motor 2.
P20.22 Maximum slip frequency of motor 2 (Hz)
Sets the maximum slip frequency for motor 2.
P21.06 Stator resistance of motor 2 (Ω)
Sets the stator resistance for motor 2.
P21.07 Rotor resistance of motor 2 (Ω)
Sets the rotor resistance for motor 2.
P21.08 Stator inductance of motor 2 (H)
Sets the stator inductance for motor 2.
P21.09 Rotor inductance of motor 2 (H)
Sets the rotor inductance for motor 2.
P21.10 Mutual inductance (H)
Sets the mutual inductance for motor 2.
P21.11 PM1 stator resistance (ohm)
Sets the stator resistance for PM1 motors.
P21.21 Inertia coefficient
Adjusts the inertia coefficient based on system inertia.
P21.22 Parameter deviation compensation
Parameter deviation compensation, generally not used.
P22 auxiliary motor parameter
Parameters for auxiliary motor functions, especially encoder settings.
P22.01 Encoder 1 type
Selects the type of encoder 1 (Incremental, SinCos, etc.).
P22.02 Encoder 1 pulse count
Sets the pulse count per revolution for encoder 1.
P22.03 Encoder frequency dividing coefficient
Sets the frequency dividing coefficient for encoder signals.
P22.04 Encoder 1 position angle
Sets the encoder 1 position angle.
P22.05 Encoder feedback speed filtering time constant
Sets the filtering time constant for encoder feedback speed.
P22.06 Encoder 1 direction
Configures the direction of encoder 1 rotation.
P22.07 SinCos encoder subdivision coefficient
Sets the subdivision coefficient for SinCos encoders.
P22.08 Rezav encoder 1 pole count
Sets the pole count for Rezav encoder 1.
P22.09 Encoder 2 type
Selects the type of encoder 2.
P22.10 Encoder 2 pulse count
Sets the pulse count for encoder 2.
P22.11 Encoder 2 position angle
Sets the encoder 2 position angle.
P22.12 Encoder 2 direction
Configures the direction of encoder 2 rotation.
P22.13 Rezav encoder 2 pole count
Sets the pole count for Rezav encoder 2.
P22.14 Feedback speed amplitude filtering
Filters feedback speed amplitude.
P23 group Protection parameter
Parameters for configuring inverter protection functions.
Group P3X Digital parameters
Parameters related to digital input and output functions.
Group P30 Digital input parameters
Parameters for configuring digital input terminals and their functions.
P31 group Digital output
Parameters for configuring digital output terminals.
P32 group Analog input
Parameters for configuring analog input signal types and functions.
P32.01 Input AI0 function
Assigns a function to the AI0 analog input.
P32.02 Input AI0 lower limit (%)
Sets the lower limit for AI0 analog input.
P32.03 Input AI0 upper limit (%)
Sets the upper limit for AI0 analog input.
P32.04 Input AI0 filtering (ms)
Sets the filtering time for AI0 analog input.
P32.05 Input AI0 amplitude limit (V)
Sets the amplitude limit for AI0 analog input.
P32.06 Input AI1 type
Selects the input type for AI1 analog input.
P32.07 Input AI1 function
Assigns a function to the AI1 analog input.
P32.08 Input AI1 lower limit (%)
Sets the lower limit for AI1 analog input.
P32.09 Input AI1 upper limit (%)
Sets the upper limit for AI1 analog input.
P32.10 Input AI1 filtering (ms)
Sets the filtering time for AI1 analog input.
P32.11 Input AI1 amplitude limit (V)
Sets the amplitude limit for AI1 analog input.
P33 Group Analog Output Parameters
Parameters for configuring analog output signals.
P33.00 Output M0 function
Configures the function of the M0 analog output terminal.
P33.01 Output M0 lower limit (%)
Sets the lower limit for the M0 analog output.
P33.02 Output M0 upper limit (%)
Sets the upper limit for the M0 analog output.
P33.06 Output M0 type
Selects the analog output type for M0.
P4X Group Velocity Parameter Group
Parameters for controlling the inverter's velocity.
P40 Group Basic speed parameters
Basic parameters for setting speed, acceleration, and deceleration times.
P40.02 Acceleration time 0 (s)
Sets the acceleration time from zero to maximum frequency.
P40.03 Deceleration time 0 (s)
Sets the deceleration time from maximum to zero frequency.
P40.04 Acceleration time 1 (s)
Sets the first acceleration time setting.
P40.05 Deceleration time 1 (s)
Sets the first deceleration time setting.
P40.06 Acceleration time 2 (s)
Sets the second acceleration time setting.
P40.07 Deceleration time 2 (s)
Sets the second deceleration time setting.
P40.08 Acceleration time 3 (s)
Sets the third acceleration time setting.
P40.09 Deceleration time 3 (s)
Sets the third deceleration time setting.
P41 Group Digital Multi-speed parameters Group
Parameters for setting multiple digital speed references.
P41.00 Digital multi-speed setting 0 (Hz)
Sets the first digital multi-speed reference frequency.
P41.01 Digital multi-speed setting 1 (Hz)
Sets the second digital multi-speed reference frequency.
P41.02 Digital multi-speed setting 2 (Hz)
Sets the third digital multi-speed reference frequency.
P41.03 Digital multi-speed setting 3 (Hz)
Sets the fourth digital multi-speed reference frequency.
P41.04 Digital multi-speed setting 4 (Hz)
Sets the fifth digital multi-speed reference frequency.
P41.05 Digital multi-speed setting 5 (Hz)
Sets the sixth digital multi-speed reference frequency.
P41.06 Digital multi-speed setting 6 (Hz)
Sets the seventh digital multi-speed reference frequency.
P41.07 Digital multi-speed setting 7 (Hz)
Sets the eighth digital multi-speed reference frequency.
P41.08 Digital multi-speed setting 8 (Hz)
Sets the ninth digital multi-speed reference frequency.
P41.09 Digital multi-speed setting 9 (Hz)
Sets the tenth digital multi-speed reference frequency.
P41.10 Digital multi-speed setting 10 (Hz)
Sets the eleventh digital multi-speed reference frequency.
P41.11 Digital multi-speed setting 11 (Hz)
Sets the twelfth digital multi-speed reference frequency.
P41.12 Digital multi-speed setting 12 (Hz)
Sets the thirteenth digital multi-speed reference frequency.
P41.13 Digital multi-speed setting 13 (Hz)
Sets the fourteenth digital multi-speed reference frequency.
P41.14 Digital multi-speed setting 14 (Hz)
Sets the fifteenth digital multi-speed reference frequency.
P41.15 Digital multi-speed setting 15 (Hz)
Sets the sixteenth digital multi-speed reference frequency.
P41.16 Jogging frequency reference (Hz)
Sets the frequency reference for jogging operations.
P5X group Process control
Parameters for process control functions.
P50 group Main and auxiliary preset
Parameters for setting main and auxiliary references in open-loop control.
P50.00 Open loop auxiliary reference mode
Selects the mode for open loop auxiliary reference.
P50.01 Open loop auxiliary preset operation
Defines how main and auxiliary references are combined.
P51 group Process PID
Parameters for PID control, used for process regulation.
P51.00 Closed loop control option
Enables or disables closed loop control mode.
P51.01 Closed loop main reference mode
Selects the source for the main reference in closed loop control.
P51.02 Closed loop auxiliary reference mode
Selects the source for the auxiliary reference in closed loop control.
P51.03 Closed loop auxiliary reference operation
Defines operations for main and auxiliary references in closed loop.
P51.04 Closed loop main feedback mode
Selects the source for the main feedback signal in closed loop.
P51.05 Closed loop auxiliary feedback mode
Selects the source for the auxiliary feedback signal in closed loop.
P51.06 Closed loop auxiliary feedback operation
Defines operations for main and auxiliary feedback in closed loop.
P51.07 PID internal setting value
Sets the internal value for PID control.
P51.09 Proportional gain Kp
Sets the proportional gain (Kp) for PID control.
P51.10 Integral gain Ki
Sets the integral gain (Ki) for PID control.
P51.11 Differential gain Kd
Sets the derivative gain (Kd) for PID control.
P51.12 Integral option method
Determines the integration mode for PID regulation.
P51.13 Upper limit of integration effect (%)
Sets the upper limit for integration effect in PID control.
P51.14 Closed-loop input upper limit value (%)
Sets the upper limit for closed-loop input value.
P51.15 Closed-loop input lower limit value (%)
Sets the lower limit for closed-loop input value.
P51.16 Upper limit of closed loop output (%)
Sets the upper limit for the closed loop output.
P51.17 Hibernation
Enables or disables the hibernation function.
P51.18 Sleeping frequency (Hz)
Sets the frequency during hibernation.
P51.19 Sleeping delay (s)
Sets the delay time for hibernation.
P51.20 Wake-up deviation (%)
Sets the deviation threshold for waking up from hibernation.
P51.21 Wake-up delay (s)
Sets the delay time for waking up from hibernation.
P51.22 Acceleration and deceleration time reference
Adjusts time reference for acceleration/deceleration in closed loop.
P51.23 Closed loop output filtering time
Sets the filtering time for the closed loop output.
P51.24 Minimum preset quantity
Sets the minimum preset quantity for closed loop reference.
P51.25 Feedback quantity corresponding to the minimum preset quantity
Sets feedback quantity for minimum preset value.
P51.26 Maximum preset quantity
Sets the maximum preset quantity for closed loop reference.
P51.27 Feedback quantity corresponding to the maximum preset quantity
Sets feedback quantity for maximum preset value.
P51.28 Preset frequency (Hz)
Sets the preset frequency for closed loop operation.
P51.29 Preset frequency holding time (s)
Sets the holding time for the preset frequency.
P51.30 Positive and negative characteristics
Determines if feedback signal and set value comparison is reversed.
P6X group vector control
Parameters for vector control.
P60 group Speed loop PID
Parameters for the speed loop PID controller.
P60.00 Speed loop - zero speed P
Proportional gain for speed loop at zero speed.
P60.01 Speed loop – zero speed Ti (ms)
Integration time for speed loop at zero speed.
P60.03 Speed loop - low speed P
Proportional gain for speed loop at low speed.
P60.04 Speed loop - low speed Ti (ms)
Integration time for speed loop at low speed.
P60.06 Speed loop - high speed P
Proportional gain for speed loop at high speed.
P60.07 Speed loop - high speed Ti (ms)
Integration time for speed loop at high speed.
P60.11 Speed loop period
Sets the execution period for the speed loop.
P60.12 Torque command filtering (ms)
Sets the filtering time for the torque command.
P60.13 Speed loop suspension P
Proportional gain for speed loop suspension.
P60.14 Speed loop suspension Ti
Integration time for speed loop suspension.
P61 group Current loop PID
Parameters for the current loop PID controller.
P61.00 Current loop Kp
Sets the proportional gain (Kp) for the current loop.
P61.01 Current loop Ki
Sets the integral gain (Ki) for the current loop.
P61.02 Current loop bandwidth (Hz)
Sets the bandwidth for the current loop.
P61.03 Current loop selection
Selects PI parameters for the current loop.
P62.00 Torque preset (%)
Sets the preset torque value.
P62.01 Torque direction
Sets the direction of torque (forward/reverse).
P62.02 Torque increase time (s)
Sets the time for torque increase.
P62.03 Torque decrease time (s)
Sets the time for torque decrease.
P63.00 Compensating torque direction
Sets the direction for compensating torque.
P63.01 Compensation torque gain (%)
Sets the gain for compensating torque.
P63.03 Preset torque compensation (%)
Sets the preset torque compensation value.
P7X group Enhanced control
Parameters for enhanced control functions.
P70 group Limit and protection
Parameters for setting frequency limits and protection thresholds.
P70.00 Frequency upper limit(Hz)
Sets the maximum allowed output frequency.
P70.01 Frequency lower limit (Hz)
Sets the minimum allowed output frequency.
P70.02 ID preset limit
Sets the D axis current preset limiting value.
P70.03 ID limit gain
Determines the amplitude value of speed reduction.
P70.04 Output torque limit (%)
Sets the limit for output torque.
P70.05 Accelerated overcurrent threshold (%)
Sets the threshold for overcurrent during acceleration.
P70.06 Decelerated overvoltage
Sets the threshold for overvoltage during deceleration.
P70.07 Overspeed protection coefficient (%)
Sets the overspeed protection value.
P70.08 Special function selection
Enables various special functions like frequency reduction or KEB.
P70.10 PT signal channel
Selects the channel for PT signal input.
P70.11 PT protection upper threshold (V)
Sets the upper threshold for PT protection.
P70.12 PT protection lower threshold(V)
Sets the lower threshold for PT protection.
P70.13 PT protection action delay time(s)
Sets the delay time for PT protection action.
P70.19 Bus undervoltage threshold (V)
Sets the bus undervoltage threshold.
P70.20 Power grid imbalance threshold (%)
Sets the threshold for power grid imbalance fault detection.
P70.21 PWM detection delay (ms)
Sets the delay for PWM detection.
P70.23 Current-limiting frequency reduction threshold (%)
Sets threshold for current-limiting frequency reduction.
P70.28 Power grid overvoltage threshold
Sets the power grid overvoltage threshold.
P70.29 Overtemperature frequency reduction starting temperature
Sets the starting temperature for overtemperature frequency reduction.
P70.30 Over-temperature frequency reduction recovery temperature
Sets the recovery temperature for overtemperature frequency reduction.
P70.31 Over-temperature frequency reduction slope
Sets the slope for overtemperature frequency reduction.
P70.32 Up-frequency overtemperature threshold
Sets the overtemperature threshold for up-frequency.
P70.33 Overtemperature detection interval
Sets the interval for overtemperature detection.
P71 group Special functions
Parameters for special functions like frequency hopping and PWM modulation.
P71.00 Frequency hopping velocity 1 (Hz)
Sets the first frequency hopping velocity.
P71.01 Frequency hopping velocity 2 (Hz)
Sets the second frequency hopping velocity.
P71.02 Frequency hopping velocity 3 (Hz)
Sets the third frequency hopping velocity.
P71.03 Frequency hopping width (Hz)
Sets the width for frequency hopping.
P71.05 Reversal prohibition
Disables or enables motor reversal.
P71.06 Forward and reverse rotation interval time (s)
Sets the waiting time for direction changes after zero speed.
P71.07 PWM modulation mode
Selects the PWM modulation mode.
P71.14 PWM Carrier frequency (kHz)
Adjusts the carrier frequency to reduce motor noise.
P71.21 Dead zone compensation mode
Selects the dead zone compensation mode.
P71.23 Forward rotation deadband compensation (%)
Compensates dead time during transition in forward rotation.
P71.24 Dead zone threshold coefficient (%)
Sets the threshold coefficient for dead zone compensation.
P71.29 PWM modulation
Sets the PWM modulation update mode.
P71.30 Vector control compensation
Compensates acceleration/deceleration performance for large inertia systems.
P71.31 Inertia compensation coefficient (%)
Adjusts inertia compensation size for deceleration.
P71.32 Inertia compensation filtering time (ms)
Sets filtering time for inertia compensation.
P71.33 UPDOWN compensation
Enables UPDOWN terminal function for compensation.
P71.40 Input shaping type
Sets the input shaping type for anti-swing control.
P71.41 Oscillation frequency
Sets oscillation frequency for anti-swing control.
P71.42 Damping coefficient
Sets damping coefficient for anti-swing control.
P71.45 Output shutdown delay
Sets delay for PWM output after brake holding.
P71.49 Power failure detection threshold (V)
Sets the threshold for power failure detection.
P71.50 KEB bus target voltage (V)
Sets the target voltage for KEB bus.
P71.51 KEB proportion Kp
Sets the proportional gain (Kp) for KEB process.
P71.52 KEB integral Ki
Sets the integral gain (Ki) for KEB process.
P71.53 KEB deceleration upper limit
Sets the upper limit for KEB deceleration.
P71.54 KEB acceleration upper limit
Sets the upper limit for KEB acceleration.
P71.55 KEB deceleration initial limit
Sets the initial limit for KEB deceleration.
P71.58 Fan control
Configures the inverter's fan control settings.
P71.61 Frequency decimal point digits
Selects the frequency accuracy by setting decimal digits.
P71.62 Function switch
Enables special functions for debugging.
P71.63 Enable phase-locked function
Enables phase lock function and detects phase lock status.
P71.64 System bypass angle error (degree)
Sets the phase lock completion angle error value.
P71.65 System bypass voltage error (V)
Sets the phase lock completion voltage error value.
P71.66 Fan control duty ratio (%)
Sets the duty ratio for speed-regulating fans.
P71.70 Deceleration inertia coefficient (%)
Adjusts inertia compensation for deceleration section.
P8X group Communication control
Parameters for configuring communication settings.
P80X group Communication mode
Selects the communication mode for the inverter.
Group P81 Modbus communication parameters
Parameters for configuring Modbus communication.
P81.00 Baud rate
Sets the communication baud rate for Modbus.
P81.01 Data format
Sets the communication format and parity check for Modbus.
P81.02 Transmission modes
Selects the transmission mode (ASCII or RTU) for Modbus.
P81.04 Local address
Sets the local address for Modbus communication.
P81.07 Communication address formats
Selects the communication address format (Hexadecimal or Decimal).
P82 group (Reserved parameter group)
Reserved parameters for custom status word configuration.
P9X Group Fault and Display Parameter Group
Parameters related to fault display and system information.
P91 group LCD display
Parameters for configuring what is shown on the LCD display.
P93 group Operation record parameters
Parameters for recording operational data like power-on and running time.
P94 group Fault processing
Parameters related to handling different types of inverter faults.
P95 group Version
Displays the hardware and software version information of the inverter.
P96 group Inverter information
Displays fixed parameters and information about the inverter's specifications.
Fault Checking
Protection and inspection functions
Details fault causes and countermeasures corresponding to error codes.
Fault diagnosis process
Provides a step-by-step analysis process for handling motor running issues.
Care and Maintenance
Warranty period
Details the warranty terms, duration, and conditions for service.
Product inquiry
Information required when contacting for product issues or service.
Routine inspection
Guidance for external visual inspection of the inverter during operation.
Periodic inspection
Detailed inspection items, methods, and judgment criteria for regular checks.
EMC Installation Guide for the Inverter
Noise suppression
Discusses types of noise and their influence on peripheral equipment.
Type of noise
Categorizes different types of electrical noise generated by the inverter.
Propagation path of noise
Illustrates how noise propagates through various paths in the system.
Basic countermeasures for noise suppression
Provides basic methods to suppress noise by managing wiring and layout.
Distribution requirements
Covers cable laying requirements to minimize interference.
Cable laying requirements
Specifies distances and methods for laying power and signal cables.
Requirements for cable cross-sectional area
Explains the impact of cable cross-sectional area on leakage current.
Requirements for shielded cables
Recommends using high-frequency, low-impedance shielded cables.
Requirements for shielded cable installation
Details proper installation methods for shielded cables to ensure effectiveness.
Grounding
Explains different grounding modes and precautions for grounding cables.
Grounding mode
Illustrates various grounding modes for grounding electrodes.
Precautions for grounding cables
Provides guidelines for selecting and installing grounding cables.
Installation of surge absorber
Recommends using surge suppressors for noise-producing devices.
Leakage current and its countermeasures
Explains leakage current and methods to counteract it.
Earth leakage current
Discusses earth leakage current and its effects, with suppression measures.
Line-to-line leakage current
Explains line-to-line leakage current and its countermeasures.
Radiation emission suppression of the inverter
Methods to suppress radiation noise from the inverter and cables.
Guide to the use of power line filter
Information on the function and installation of power line filters.
Function of power line filter
Describes the bidirectional low-pass filtering function of power line filters.
Precautions for power line filter installation
Provides guidelines for effective installation of power line filters.
Division of EMC installation area of the inverter
Describes EMC installation areas for spatial isolation of noise sources.
Precautions for electrical installation of the inverter
Details electrical installation aspects to meet EMC requirements.
EMC standards met by the intelligent flexible driver
Lists EMC standards satisfied by the inverter when installed with accessories.
Standards Suitable for the Inverter
European low voltage specifications
Confirms compliance with EN61800-5-1 and Low Voltage Directive.
European EMC specifications
Lists EMC standards for emission and immunity, following manual recommendations.
Modbus Communication Protocol
Introduction to Network Settings
Introduces PN communication card and network settings.
Introduction to PN communication card of STEP inverter
Shows the model and image of the STEP inverter PN communication card.
Host setting
Explains configuration of PROFINET slave file and IP address in TIA Portal.
Slave setting
Describes setting running command and speed preset for PROFINET.
GSD file acquisition
Provides the GSD file name and how to obtain it.
Protocol Content
Details PROFINET communication protocols: 2WORD, 4WORD, and 8WORD.
2WORD communication protocol meaning
Explains the meaning of 2WORD protocol, including control and status words.
Inverter control word
Defines the specific bits of the inverter control word WORD1.
Inverter status word
Defines the specific bits of the inverter status word WORD1.
4WORD communication protocol meaning
Explains the meaning of 4WORD protocol, including control and status words.
8WORD communication protocol meaning
Explains the meaning of 8WORD protocol, including control and status words.
Protocol Usage
Provides application examples for PROFINET communication with PLCs.
Optional expansion card
Torque off STO expansion card
Shows the Torque off STO expansion card and its board model.
PN communication card
Shows the PN communication card and its board model.
Universal standard IO board card
Describes the Universal standard IO board card.
Intelligent flexible driver optional IO board
Lists optional IO boards for intelligent flexible drivers.
Intelligent flexible driver optional PG card
Lists optional PG cards for intelligent flexible drivers.
Customer Notification
Environmental impact analysis
Discusses heat emission and potential environmental impact of electronic products.
Life cycle of electronic products and equipment
States that electronic products have a limited lifespan, typically up to 20 years.
Disposal of scrapped electronic products
Advises on proper disposal of electronic waste to prevent pollution.
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