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Rockwell Automation Allen-Bradley PowerFlex 700S User Manual

Rockwell Automation Allen-Bradley PowerFlex 700S
218 pages
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Reference Manual
PowerFlex 700S AC Drives Phase II Control
Firmware Revisions 1.xxx...4.xxx

Table of Contents

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Rockwell Automation Allen-Bradley PowerFlex 700S Specifications

General IconGeneral
Amperage1.7...1742 A
Control MethodVector Control
Communication ProtocolsEtherNet/IP, ControlNet, DeviceNet, Profibus, Modbus
Enclosure TypeIP20, IP30, NEMA/UL Type 12
Storage Temperature-40...70 °C (-40...158 °F)
Relative Humidity5-95% (non-condensing)
AltitudeUp to 1000m (3280ft) without derating

Summary

Important User Information

Summary of Changes

New and Updated Information

Lists changes made in the current revision of the manual.

Chapter 1: Detailed Drive Operation

Accel Time

Sets the rate at which the drive ramps up its output after a Start command.

Alarms

Indicate conditions within the drive that could affect drive and application operation.

Analog Inputs

Handles input signals from analog sources like voltage or current.

Analog Input Configuration

Configures analog inputs for voltage or current signals and applies offsets and scaling.

Analog Input Loss Detection

Enables detection of analog input signal loss and defines drive reaction to it.

Analog Outputs

Configures output signals for voltage or current.

Analog Output Configuration

Programs analog outputs to specify the signal used and applies offsets, scaling, and limiting.

Autotune

Key setup process for optimizing drive and motor performance.

Motor Control

Selects the motor control operating mode, such as FOC, PMag Motor, or V/Hz.

Feedback Configuration

Selects the feedback device type for encoder or sensorless operation.

Bus Regulation/Braking

Manages bus voltage and dynamic braking capabilities.

Carrier (PWM) Frequency

Sets the carrier frequency for PWM output, affecting motor heating and noise.

Communications

Manages drive communication via networks and protocols.

Datalinks

Software connections to transfer I/O data and parameter values between devices.

Current Limit

Provides protection against overcurrent or overload conditions using various methods.

Digital Inputs

Configures and manages digital input signals.

Digital Input Configuration

Configures digital inputs for various functions like stop, start, or jog.

Digital Outputs

Configures and manages digital output signals.

Digital Output Configuration

Programs digital outputs for various functions like ready, running, or fault status.

Drive Peripheral Interface (DPI)

Communication protocol for drive interaction and control.

Drive Overload

Manages motor overload protection based on thermal characteristics.

Filters

Configures filters for tuning and performance optimization.

Lead-Lag Filter

Used to compensate for system lags or eliminate noise in control loops.

Notch Filter

Eliminates resonant signals created by mechanical gear trains.

Flying Start

Starts into a rotating motor in sensorless mode, resuming normal operation smoothly.

Friction Compensation

Calculates breakaway torque and torque needed to maintain constant speed due to friction.

HIM Operations

Manages Human Interface Module (HIM) operations and display settings.

The User Display

Configures the display shown when HIM keys are inactive for a predetermined time.

Indexer

Provides step increments for motion control, often used with position loops.

Inertia Compensation

Calculates torque required due to load inertia for smoother acceleration/deceleration.

IT Protection

Dictates overload capacitors and duty cycle based on current levels and time.

Links

Software connections between parameters allowing information transfer.

Masks

Controls which ports/adapters have access to drive functions and parameters.

Motor Control Mode

Selects the motor control method (e.g., FOC, PMag, V/Hz).

Field Oriented Control

Selects FOC for AC induction motors, requiring motor data and autotune.

Motor Overload

Manages motor overload protection based on duty cycles.

Motor Start and Stop Precautions

Provides safety guidelines for starting and stopping the motor.

Overspeed Limit

Sets a limit tolerance to prevent the drive from exceeding a safe working speed.

Phase Locked Loop

Enables synchronization of drives for electronic line shaft applications.

Position Reference

Links to encoder position and specifies encoder edges per revolution.

Point to Point Motion Planner

Executes precise point-to-point motion moves using trapezoidal or S-curve profiles.

Profile Generator

Executes trapezoidal or S-curve moves, allowing adjustments to acceleration/deceleration.

Position Loop - Follower (Electronic Gearing)

Allows a drive to follow the position of a master motor without an external controller.

Position Reference Selection

Selects the auxiliary position reference for follower applications.

Position Offset

Adds correction moves to synchronize the follower to the master position.

Position Loop - Point to Point

Positions the load without an external controller using point-to-point moves.

Overview

Explains positioning the load without an external controller using point-to-point moves.

Power Loss/Ride Through

Provides motor coast, precharge, and auto-restart sequence during input power dropout.

Ride Through Operation

Describes drive behavior during incoming power loss and return.

Process PI Loop

A control loop used to trim speed, torque, or other functions.

Reflected Wave

Compensates for inverter PWM pulses to reduce overvoltage transients at the motor.

Security

Provides write access protection for individual communication ports in the drive.

Sensorless Operation

Operates the motor without feedback, suitable for zero speed or limited speed range applications.

Slip Compensation

Adjusts output frequency to maintain consistent motor speed independent of load.

Speed/Position Feedback

Selects and scales the feedback device signal for speed and position control.

Encoder

Describes standard and optional encoder inputs for speed and position feedback.

Linear Feedback Devices

Requires an MDI option card for position feedback, not speed feedback.

Feedback Option Cards

Details the Stegmann Hi-Resolution Encoder, Resolver, and MDI option cards.

Stegmann Hi-Resolution Encoder Feedback Option

Provides high-resolution encoder feedback for position and speed.

Speed Reference

Manages the speed reference input for the speed control loop.

Speed Reference Selection

Selects the active speed reference source from digital inputs, DPI, or DriveLogix.

Speed Reference Limits

Sets forward and reverse speed limits for the speed reference.

Accel/Decel Ramp and S-Curve

Configures acceleration and deceleration times, with optional S-curve for smoother profiles.

Virtual Encoder

Generates a smooth, noise-free virtual encoder reference for motion control.

Speed PI Regulator

Adjusts torque reference to maintain desired speed using proportional and integral gains.

Servo Lock

Increases stiffness of speed response to load disturbances, acting like a position regulator.

Speed Regulator Gains

Determines the proportional and integral gains for the speed regulator's response.

Advanced Tuning for the Speed Regulator with Gearbox or Belt

Provides steps for tuning the speed regulator, compensating for backlash or lost motion.

Speed/Torque Mode Select

Selects the drive's operating mode: speed regulator, torque regulator, or combination.

Zero Torque Mode

Allows motor to be fully fluxed and ready to rotate, useful for cyclical applications.

Speed Regulation Mode

Sets the drive to operate as a speed regulator, generating torque reference to maintain speed.

Torque Regulation Mode

Controls motor torque to maintain tension or draw in processes like winders.

Min Speed / Torque Mode and Max Speed / Torque Mode

Compares speed and torque commands, using the algebraic minimum or maximum.

SLAT Minimum Mode

Forces speed regulator into saturation, following torque reference until breakage.

Standalone Drive Homing without DriveLogix

Enables finding the "Home" position without an absolute device or DriveLogix processor.

Start and Stop Modes

Configures drive start and stop control using 2-wire or 3-wire methods.

SynchLink

Provides information on SynchLink parameters and setup examples.

SynchLink Direct Data

Selects and configures direct data words for SynchLink communication.

Multiply/Divide Blocks

Performs multiplication and division on floating point parameters.

User Functions

Enables or disables various user-configurable functions in the drive.

Bit Swap

Compares words and replaces selected bits, used for custom control logic.

MOP

Motor operated potentiometer for increasing/decreasing DInt or floating point values.

Selector Switches

Selects from multiple floating point or DInt values for preset speeds or other inputs.

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