Allen-Bradley 8720MC-RPS065 User manual

8720MC Regenerative Power Supply
Catalog Numbers 8720MC-RPS065, 8720MC-RPS190, 8720MC-LR, 8720MC-HF-B2, 8720MC-VA-B, 8720MC-RFI80,
8720MC-EF190-VB
User Manual
Original Instructions

Important User Information
Read this document and the documents listed in the additional resources section about installation, configuration, and
operation of this equipment before you install, configure, operate, or maintain this product. Users are required to
familiarize themselves with installation and wiring instructions in addition to requirements of all applicable codes, laws,
and standards.
Activities including installation, adjustments, putting into service, use, assembly, disassembly, and maintenance are
required to be carried out by suitably trained personnel in accordance with applicable code of practice.
If this equipment is used in a manner not specified by the manufacturer, the protection provided by the equipment may
be impaired.
In no event will Rockwell Automation, Inc. be responsible or liable for indirect or consequential damages resulting from
the use or application of this equipment.
The examples and diagrams in this manual are included solely for illustrative purposes. Because of the many variables and
requirements associated with any particular installation, Rockwell Automation, Inc. cannot assume responsibility or
liability for actual use based on the examples and diagrams.
No patent liability is assumed by Rockwell Automation, Inc. with respect to use of information, circuits, equipment, or
software described in this manual.
Reproduction of the contents of this manual, in whole or in part, without written permission of Rockwell Automation,
Inc., is prohibited.
Throughout this manual, when necessary, we use notes to make you aware of safety considerations.
Labels may also be on or inside the equipment to provide specific precautions.
WARNING: Identifies information about practices or circumstances that can cause an explosion in a hazardous
environment, which may lead to personal injury or death, property damage, or economic loss.
ATTENTION: Identifies information about practices or circumstances that can lead to personal injury or death, property
damage, or economic loss. Attentions help you identify a hazard, avoid a hazard, and recognize the consequence.
IMPORTANT Identifies information that is critical for successful application and understanding of the product.
SHOCK HAZARD: Labels may be on or inside the equipment, for example, a drive or motor, to alert people that dangerous
voltage may be present.
BURN HAZARD: Labels may be on or inside the equipment, for example, a drive or motor, to alert people that surfaces may
reach dangerous temperatures.
ARC FLASH HAZARD: Labels may be on or inside the equipment, for example, a motor control center, to alert people to
potential Arc Flash. Arc Flash will cause severe injury or death. Wear proper Personal Protective Equipment (PPE). Follow ALL
Regulatory requirements for safe work practices and for Personal Protective Equipment (PPE).

Rockwell Automation Publication 8720MC-RM001K-EN-P - September 2018 3
Table of Contents
Preface
Summary of Changes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Conventions Used in This Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Additional Resources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Chapter 1
8720MC-RPS Regenerative Power
Supply Overview
8720MC-RPS Series Change. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
About the 8720MC-RPS Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . 10
Input Power Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
AC Input and Regenerative Power Configuration . . . . . . . . . . . . 11
Full-line Regeneration Configurations . . . . . . . . . . . . . . . . . . . . . . 12
Catalog Number Explanation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Chapter 2
Plan and Mount the 8720MC-RPS
Installation
System Design Guidelines. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
System Mounting Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Circuit Breaker/Fuse Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Contactor Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Minimum Clearance Requirements . . . . . . . . . . . . . . . . . . . . . . . . . 18
Electrical Noise Reduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Bonding Modules. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Bonding Multiple Subpanels. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Chapter 3
Mount the 8720MC-RPS Unit Mounting Guidelines. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Mount Your 8720MC-RPS Regenerative Power Supply . . . . . . . . . . 26
Chapter 4
Connector Data and Feature
Descriptions
8720MC Regenerative Power Supply Connector Data . . . . . . . . . . . 28
Input Circuit Block Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Internal Component Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Terminal Block Pinouts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Terminal Block Pinouts for 8720MC-RPS065 Units . . . . . . . . . 35
Terminal Block Pinouts for 8720MC-RPS190 Units . . . . . . . . . 36
Regulator Board Features and Components . . . . . . . . . . . . . . . . . . . . . 37
Switch SW7 Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Switch SW8 and SW10 Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Sequence Signal Terminal Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Chapter 5
Connect the 8720MC-RPS Unit Basic Wiring Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Routing the Power and Signal Cables. . . . . . . . . . . . . . . . . . . . . . . . 42
Input Power Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

4Rockwell Automation Publication 8720MC-RM001K-EN-P - September 2018
Table of Contents
Ground the Drive System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Ground the System Subpanel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Ground Multiple Subpanels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Wiring Requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
AC Input Power Diagrams. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
8720MC-RPS Input Power Diagrams . . . . . . . . . . . . . . . . . . . . . . . 48
Typical Input Power Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Regenerative Mode Input Power Diagrams . . . . . . . . . . . . . . . . . . 55
8720MC-RPS Unit Adapted to Large Capacity Capacitors . . . 58
Install the Circuit Breaker/Fuse Circuit Protection. . . . . . . . . . . 60
Install the Main Magnetic Contactors . . . . . . . . . . . . . . . . . . . . . . . 61
Install Line Reactors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Install the Varistor (8720MC-RPS065 units only) . . . . . . . . . . . 62
Install the Harmonic Filter (8720MC-RPS065 units only). . . . 63
Install the EMC Line Filter (8720MC-RPS065 units only) . . . 63
Install the Line Filter (8720MC-RPS190 units only) . . . . . . . . . 63
Install DC-bus Power Output Wiring. . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Ground the 8720MC-RPS Unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
EMC Compliance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
EMC Directive. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Low Voltage Directive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Sequence Signal Wiring. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Operation Timing of Sequence Control Signals. . . . . . . . . . . . . . . . . . 68
Install Ribbon Cables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Ribbon Cable Wiring in Parallel Operation. . . . . . . . . . . . . . . . . . 72
Chapter 6
8720MC-RPS Startup and
Operation
Operation Panel Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Keypad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Interpret Status Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Operation Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Monitor Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Program Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
8720MC-RPS Powerup Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
8720MC-RPS Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Apply Power to the 8720MC-RPS Unit . . . . . . . . . . . . . . . . . . . . . 79
Verify the Parameter of the Unit Selection. . . . . . . . . . . . . . . . . . . 79
Precharge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Verify the DC-bus Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Change the DC-bus Voltage Reference Value . . . . . . . . . . . . . . . . 81
Discharge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Disconnect Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83

Rockwell Automation Publication 8720MC-RM001K-EN-P - September 2018 5
Table of Contents
Chapter 7
Configure Parameters About Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Parameter Types. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Protect Parameters with a Password . . . . . . . . . . . . . . . . . . . . . . . . . 87
Display and Change Parameter Values. . . . . . . . . . . . . . . . . . . . . . . 87
User Parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
Factory Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Default Parameter Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Chapter 8
Troubleshoot the 8720MC-RPS
Unit
Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
About Error Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Error Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
Access and Clear the Error Log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
Recover From Fatal Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
Troubleshoot the 8720MC-RPS Unit . . . . . . . . . . . . . . . . . . . . . . . . . 105
Preliminary System Checks. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
Operation Flow Charts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
Appendix A
Specifications Technical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
Product Dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
8720MC-RPS Regenerative Power Supplies . . . . . . . . . . . . . . . . 111
Line Reactors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
Varistor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
Harmonic Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
EMC Line Filters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
Control Block Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123