Quick Start · Publication 520-QS001 · Rockwell Automation

PowerFlex 523 & 525 AC Drive Quick Start Guide 520-QS001

This Quick Start guide covers installation, start-up, and basic programming for the PowerFlex 520-Series Adjustable Frequency AC Drives. It addresses mounting, grounding, fuses and circuit breakers, power and I/O wiring, control terminal blocks, and network communication setup. The guide applies to PowerFlex 523 (catalog 25A, Series B) and PowerFlex 525 (catalog 25B) drives. It is intended for qualified drive service personnel and does not replace the User Manual, publication 520-UM001.

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0...500 Hz Output Frequency Range
97.5% Typical Efficiency
Min. 0.5 s, typical 2 s Control Ride Through
100 ms Faultless Power Ride Through

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Specifications

Ambient Operating Temperatures (Vertical, IP 20/Open Type)

Minimum Ambient -20 °C (-4 °F)
Maximum (No Derate) 50 °C (122 °F)
Maximum (Derate) 60 °C (140 °F)
Maximum with Control Module Fan Kit (Derate) 70 °C (158 °F)

Mounting Screw Torque by Frame

Frame A, B, C M5 (#10...24) 1.56...1.96 Nm (14...17 lb-in.)
Frame D M5 (#10...24) 2.45...2.94 Nm (22...26 lb-in.)
Frame E M8 (5/16 in.) 6.0...7.4 Nm (53...65 lb-in.)

Power Terminal Wire Size and Torque by Frame

Frame A Max 5.3 mm² (10 AWG), Min 0.8 mm² (18 AWG), 1.76...2.16 Nm
Frame B Max 8.4 mm² (8 AWG), Min 2.1 mm² (14 AWG), 1.76...2.16 Nm
Frame C Max 8.4 mm² (8 AWG), Min 2.1 mm² (14 AWG), 1.76...2.16 Nm
Frame D Max 13.3 mm² (6 AWG), Min 5.3 mm² (10 AWG), 1.76...2.16 Nm
Frame E Max 26.7 mm² (3 AWG), Min 8.4 mm² (8 AWG), 3.09...3.77 Nm

Control I/O Terminal Wire Size (Frames A...E)

Maximum Wire Size 1.3 mm² (16 AWG)
Minimum Wire Size 1.3 mm² (16 AWG)
Torque 0.71...0.86 Nm (6.2...7.6 lb-in.)

Analog I/O Specifications (PF 523 and PF 525)

4-20 mA Analog Input Impedance 250 Ω
0-10V DC Analog Input Impedance 100 kΩ
External Potentiometer 1...10 kΩ, 2 W min.
Analog Output (0-10V) Load 1 kΩ min.
Analog Output (4-20 mA) Load 525 Ω max.
Analog Output Resolution 10-bit

Digital Control Input Thresholds

SRC (Source) Mode ON 18...24V
SRC (Source) Mode OFF 0...6V
SNK (Sink) Mode ON 0...6V
SNK (Sink) Mode OFF 18...24V
Digital Input Current 6 mA

Relay Output Ratings (PF 523 and PF 525)

Resistive Rating 3.0 A @ 30V DC, 125V AC, and 240V AC
Inductive Rating 0.5 A @ 30V DC, 125V AC, and 240V AC

Opto Outputs (PF 525 only)

Voltage/Current Rating 30V DC, 50 mA, Non-inductive

Overcurrent / Overvoltage Protection

Overcurrent Hardware Limit 200%
Overcurrent Instantaneous Fault 300%
Overvoltage Trip (100...120V AC Input) 405V DC bus (equiv. 150V AC incoming)
Overvoltage Trip (200...240V AC Input) 405V DC bus (equiv. 290V AC incoming)
Overvoltage Trip (380...480V AC Input) 810V DC bus (equiv. 575V AC incoming)
Overvoltage Trip (525...600V AC Input) 1005V DC bus (equiv. 711V AC incoming)

Communication Protocols

Supported industrial networks and field buses for the products covered by this publication.

RS485 (DSI) / Modbus RTU Built-in RS485 port supporting DSI protocol for Rockwell Automation peripherals; drives can be multi-dropped on an RS485 network using Modbus protocol in RTU mode. Configured with parameters C123 through C128. EtherNet/IP (Embedded) PowerFlex 525 only. Embedded EtherNet/IP adapter with ENET and LINK status indicators. IP address, subnet mask, and gateway can be set with parameters C128 [EN Addr Sel] and C129 through C140. DeviceNet Supported via optional 25-COMM-D adapter (publication 520COM-UM002). PROFIBUS DP Supported via optional 25-COMM-P adapter (publication 520COM-UM004).

Certifications & Compliance

UL 508C CSA 22.2 CE: LV Directive 2014/35/EU CE: EMC Directive 2014/30/EU ATEX Directive 2014/34/EU Machinery Directive 2006/42/EC RoHS Directive 2011/65/EU Low Voltage TP TC 004/2011 EMC TP TC 020/2011 AC156 Lloyds Register Approval Certificate 12/10068(E1) (PowerFlex 525) TUV functional safety mark, ID 0600000000 (PowerFlex 525) ATEX II (2) G D (PowerFlex 525) Class 10 motor overload protection per NEC article 430, UL 508C File 29572

Document Contents

Full PDF covers the following topics in detail:

  • General Precautions
  • Mounting Considerations
  • General Grounding Requirements
  • Fuses and Circuit Breakers
  • Technical Specifications
  • Power Wiring
  • I/O Wiring
  • Control Terminal Block
  • Prepare For Drive Start-Up
  • Start, Stop, Direction, and Speed Control
  • Viewing and Editing Parameters
  • Basic Display Group Parameters
  • Smart Start-Up with Basic Program Group Parameters
  • Advanced Program Group Parameters
  • Fault Codes
  • Drive Ratings
  • Dimensions and Weight
  • Network Communication

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 drives does this Quick Start guide cover?
This guide covers the PowerFlex 523 (catalog number 25A, Series B) and PowerFlex 525 (catalog number 25B) adjustable frequency AC drives.
What input voltage ranges are available for these drives?
The fuse and circuit breaker tables list 100...120V AC single-phase, 200...240V AC single-phase, 200...240V AC three-phase, 380...480V AC three-phase, and 525...600V AC three-phase input ratings, each with a -15%, +10% tolerance.
How long must I wait after removing power before working on the drive?
After removing mains power, wait three minutes for DC bus capacitors to discharge. Then verify AC voltage on L1, L2, L3 and measure DC voltage across DC- and DC+ terminals to confirm the bus has discharged to zero volts. A darkened display does not indicate capacitors have discharged to safe levels.
What is the maximum output frequency of the PowerFlex 520-Series drives?
The output frequency range is 0...500 Hz, programmable via drive parameters.
Does the PowerFlex 525 support Safe Torque-Off?
Yes. The PowerFlex 525 includes dedicated Safety terminals S1, S2, and S+ for the Safe-Torque-Off function. S+ provides a +24V supply for the safety circuit, internally tied to the +24V DC source at terminal 11.
How do I configure the PowerFlex 525 embedded EtherNet/IP IP address?
Set parameter C128 [EN Addr Sel] to 1 "Parameters", then set parameters C129 through C132 [EN IP Addr Cfg 1...4] to the desired IP address values. Reset the adapter by power cycling the drive for the new address to take effect. Subnet mask and gateway are configured similarly using C133...C136 and C137...C140 respectively.
What network protocols do the PowerFlex 520-Series drives support?
All drives support RS485 (DSI) protocol for Rockwell Automation peripherals and Modbus RTU multi-drop networking. The PowerFlex 525 also includes an embedded EtherNet/IP adapter. Optional communication adapters support DeviceNet (25-COMM-D), dual-port EtherNet/IP (25-COMM-E2P), and PROFIBUS DP (25-COMM-P).

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