Allen-Bradley PowerFlex 40P User Manual

Velocity StepLogic™, Basic Logic and Timer/Counter Functions E-3
Velocity StepLogic Using Basic Logic Functions
Digital input and digital output parameters can be configured to use logic
to transition to the next step. Logic In1 and Logic In2 are defined by
programming parameters A051
-A054 [Digital Inx Sel] to option 23
“Logic In1” or option 24 “Logic In2”.
Example
• Run at Step 0.
• Transition to Step 1 when Logic In1 is true.
Logic senses the edge of Logic In1 when it transitions from off to on.
Logic In1 is not required to remain “on”.
• Transition to Step 2 when both Logic In1 and Logic In2 are true.
The drive senses the level of both Logic In1 and Logic In2 and
transitions to Step 2 when both are on.
• Transition to Step 3 when Logic In2 returns to a false or off state.
Inputs are not required to remain in the “on” condition except under
the logic conditions used for the transition from Step 2 to Step 3.
The step time value and the basic logic may be used together to satisfy
machine conditions. For instance, the step may need to run for a
minimum time period and then use the basic logic to trigger a transition
to the next step.
Ti
m
e
Lo
g
ic In
1
Lo
g
ic In
2
Frequenc
y
S
tar
t
Ste
p
0
Ste
p
1
Ste
p
2
Ste
p
3
Ti
m
e
Lo
g
ic In
1
Lo
g
ic In
2
Frequenc
y
S
tar
t
Ste
p
0
Ste
p
1

Allen-Bradley PowerFlex 40P Specifications

General

Input Voltage	200-240V AC, 380-480V AC, 500-600V AC
Control Method	Sensorless Vector Control
Communication Options	EtherNet/IP, DeviceNet
Enclosure Type	IP20, NEMA/UL Type 1
Protection	Overvoltage, Undervoltage, Overcurrent, Ground Fault
Operating Temperature	0 to 40 °C
Storage Temperature	-40 to 60 °C
Humidity	5% to 95% non-condensing
Dimensions	Varies by model
Weight	Varies by model
Amperage	1.6 to 32 A
Power Rating	0.5 - 30 HP (0.4 - 22 kW)

Summary

Preface

Overview

Provides basic information for installing, starting up, and troubleshooting the PowerFlex 40P Adjustable Frequency AC Drive.

Installation/Wiring

Opening the Cover

Instructions on how to remove the drive cover for access to internal components.

Mounting Considerations

Details on proper mounting orientation, clearances, and ambient temperature requirements.

AC Supply Source Considerations

Guidance on handling ungrounded distribution systems and disconnecting protective MOVs.

General Grounding Requirements

Information on connecting the drive to system ground and motor ground for safety.

Fuses and Circuit Breakers

Recommendations for branch circuit protection, including fuse and circuit breaker ratings.

Power Wiring

Guidelines for selecting and installing motor cable types and power wiring practices.

I/O Wiring Recommendations

Best practices for connecting control signals and digital/analog inputs and outputs.

Hardware Enable Circuitry

Procedure for configuring a hardware enable input for disabling the drive without software interpretation.

EMC Instructions

Requirements for complying with Electromagnetic Compatibility (EMC) directive for CE installations.

Start Up

Prepare For Drive Start-Up

Checklist for verifying connections, power, and settings before applying power to the drive.

Display/Fault Reset

Explains the drive's LED display and how to reset faults.

Drive Programming Tools

Lists available tools for drive programming and control, such as DriveExplorer.

Programming and Parameters

About Parameters

Explains the three types of parameters: ENUM, Numeric, and Bit.

Parameter Organization

Details the structure of parameters organized into Basic Display, Basic Program, Advanced Program, etc.

Basic Display Group

Describes parameters for viewing drive operating conditions and status.

Basic Program Group

Covers fundamental parameters for motor configuration and basic drive operation.

Advanced Program Group

Details parameters for advanced control, I/O configuration, and motor tuning.

Enhanced Program Group

Explains parameters for advanced logic, step control, and communication settings.

Advanced Display Group

Describes parameters for monitoring drive status, feedback, and fault codes.

Troubleshooting

Drive Status

Explains how drive status is monitored and indicated via the LED display.

Faults

Defines fault types and the general procedure for responding to drive faults.

Fault Descriptions

Lists and describes specific fault codes, their causes, and corrective actions.

Common Symptoms and Corrective Actions

Provides troubleshooting steps for common drive issues like motor not starting or unstable operation.

Supplemental Drive Information

Drive, Fuse & Circuit Breaker Ratings

Recommends AC line input fuse and circuit breaker information for UL and IEC requirements.

Accessories and Dimensions

Product Selection

Presents a table for selecting PowerFlex 40P drives based on input voltage, power, and enclosure type.

RS485 (DSI) Protocol

Network Wiring

Details the physical wiring requirements for connecting drives on an RS485 network.

Parameter Configuration

Lists parameters required to configure the drive for network operation.

Supported Modbus Function Codes

Identifies Modbus function codes supported by the drive for communication.

Encoder Usage and Position StepLogic Application

Encoder Usage

Explains how encoders are used for speed reference, PID feedback, and direct feedback.

Positioning Operation

Details how to configure and operate the drive's positioning functions using Step Logic.

PID Set Up

PID Loop

Explains the basic operation of the PID loop, including reference, feedback, and error calculation.

PID Reference and Feedback

Describes how to select sources for PID reference and feedback signals.

Plate Drive Installation Instructions

Introduction

Introduces the plate drive version without a heatsink for custom mounting.

General Requirements

Outlines general requirements for operating the drive with an external heatsink.

Heatsink Thermal Capacity

Specifies the required thermal capacity for the heatsink to ensure proper drive cooling.