User Manual · Publication 520-UM001 · Rockwell Automation
PowerFlex 520-Series AC Drive User Manual (25A/25B)
This user manual covers the PowerFlex 520-series adjustable frequency AC drives, including the PowerFlex 523 (bulletin 25A) and PowerFlex 525 (bulletin 25B). It provides installation, wiring, startup, programming, and troubleshooting information for qualified personnel. Topics include power and control wiring, parameter groups, RS-485 (DSI)/Modbus, EtherNet/IP, Safe Torque Off, PID setup, encoder/pulse train usage, and PM and synchronous reluctance motor configuration.
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Specifications
Ambient Operating Temperatures — Vertical Mounting
| IP 20/Open Type — Max (No Derate) | 50 °C (122 °F) |
|---|---|
| IP 20/Open Type — Max (Derate) | 60 °C (140 °F) |
| IP 20/Open Type — Max with Control Module Fan Kit (Derate) | 70 °C (158 °F) |
| IP 30/NEMA 1/UL Type 1 — Max (No Derate) | 45 °C (113 °F) |
| IP 30/NEMA 1/UL Type 1 — Max (Derate) | 55 °C (131 °F) |
| Minimum Ambient | -20 °C (-4 °F) |
Altitude Derating
| No-derate altitude | 1000 m (3300 ft) |
|---|---|
| Derate option 1 above 1000 m | 5 °C (9 °F) per additional 1000 m (3300 ft) |
| Derate option 2 above 1000 m | 10% output current per additional 1000 m, up to 3000 m (9900 ft) |
Mounting Screw Torque by Frame
| Frame A, B, C — Screw Size | M5 (#10…24), 1.56…1.96 N•m (14…17 lb•in) |
|---|---|
| Frame D — Screw Size | M5 (#10…24), 2.45…2.94 N•m (22…26 lb•in) |
| Frame E — Screw Size | M8 (5/16 in), 6.0…7.4 N•m (53…65 lb•in) |
Storage Conditions
| Temperature range | -40…+85 °C (-40…+185 °F); Frame E max 70 °C (158 °F) |
|---|---|
| Relative humidity | 0…95%, noncondensing |
Catalog Number Format
How to read an Allen-Bradley 520 catalog number. Each position encodes a specific configuration attribute.
Communication Protocols
Supported industrial networks and field buses for the products covered by this publication.
Certifications & Compliance
Document Contents
Full PDF covers the following topics in detail:
- Preface: catalog number explanation, drive frame sizes, general precautions, additional resources
- Chapter 1 — Installation/Wiring: mounting considerations, ambient temperature and derating, AC supply source, grounding, fuses and circuit breakers, power and control wiring, CE/UKCA conformity
- Chapter 2 — Startup: drive startup task list, display and control keys, viewing and editing parameters, Smart Startup, LCD QuickView, USB port and MainsFree programming
- Chapter 3 — Programming and Parameters: parameter groups (Basic Display, Basic Program, Terminal Block, Communications, Logic, Advanced Display, Advanced Program, Network, Fault/Diagnostic, AppView, CustomView)
- Chapter 4 — Troubleshooting: drive status, fault indication, manually/automatically clearing faults, auto restart, fault descriptions, common symptoms and corrective actions
- Appendix A — Supplemental Drive Information: certifications, environmental specifications, technical specifications, power specifications
- Appendix B — Accessories and Dimensions: product selection, product dimensions, adapter plate dimensions, optional accessories and communication adapter installation
- Appendix C — RS-485 (DSI) Protocol: network wiring, parameter configuration, Modbus function codes, logic command/status data, frequency command, drive parameters
- Appendix D — Velocity StepLogic, Basic Logic, and Timer/Counter Functions
- Appendix E — Encoder/Pulse Train Usage and Position StepLogic Application
- Appendix F — PID Setup: PID loop, exclusive/trim control, reference and feedback, analog signals, gains
- Appendix G — Safe Torque Off Function (PowerFlex 525): safety concept, PFD/PFH data, wiring, connection examples, certification
- Appendix H — EtherNet/IP: establishing connection, ground connections
- Appendix I — Control Diagrams: induction motor tuning diagrams, speed control parameters
- Appendix J — PowerFlex 525 PM Motor Configuration: motor control, data, feedback, stop mode, auto tune, open/closed loop PM setup
- Appendix K — PowerFlex 525 Synchronous Reluctance Motor (SynRM) Configuration: structure, control diagram, configuration procedure
In-Stock Products Covered by This Document
Every product below is in stock at our Charlotte, NC warehouse and covered by this publication. Ships same-day (orders before 4 PM ET) with 2.5-year warranty included.
Frequently Asked Questions
What drive models are covered in this manual?
What voltage and power ranges are available for PowerFlex 520-series drives?
Does the PowerFlex 525 support Safe Torque Off (STO)?
What communication protocols does the PowerFlex 520-series support?
How should the drive be derated for high-altitude installations?
What motor types can the PowerFlex 525 control?
What fuse types are recommended for PowerFlex 520-series drives?
Disclaimer
Disclaimer: PLC Exchange is an independent reseller and is not an authorized distributor, affiliate, licensee, partner, or agent of Allen-Bradley / Rockwell Automation. All product information on this page is compiled from publicly-available manufacturer publications, technical data sheets, and catalog sources, each of which remains the copyright of its originating manufacturer. We make no representation or warranty, express or implied, regarding the accuracy, completeness, timeliness, or fitness for any particular purpose of the specifications or descriptions shown — content may contain errors, omissions, or out-of-date information. Product images are the property of their respective manufacturers, trademark owners, and source publications, and are displayed solely for identification purposes under the nominative fair use doctrine; images are representative and may depict a different configuration or catalog variant than the exact product listed. Purchasers should independently verify specifications against the current manufacturer publication before placing an order. All product names, trademarks, service marks, and registered trademarks are the property of their respective owners, and their use does not imply endorsement or affiliation.