Allen-Bradley 8720MC Control Board Installation Instructions

Allen-Bradley 8720MC Control Board is a high-performance drive control board designed for industrial applications. It features a user-friendly interface, robust construction, and compatibility with a wide range of Allen-Bradley drives and systems. This board is ideal for replacing existing control boards in 8720MC drives or for new installations. The board offers a variety of features, including SCANport and SERCOS interface, which enable seamless integration with other automation components.

PDF

Document

Installation Instructions
8720MC Control Board
(Catalog Number 316725-A01)
This publication provides removal and replacement procedures for the
Allen-Bradley&reg; 8720MC drive control board. For control board wiring
and operation, refer to the 8720MC High Performance Drives
Installation Manual (publication 8720MC-IN001x-EN-P).
IMPORTANT
Only those familiar with 8720MC High Performance
drive technology should replace the control board.
Publication 8720MC-IN003A-EN-P — January 2005
2
8720MC Control Board
Important User Information
Solid state equipment has operational characteristics differing from those of
electromechanical equipment. Safety Guidelines for the Application, Installation
and Maintenance of Solid State Controls (Publication SGI-1.1 available from
your local Rockwell Automation&reg; sales office or online at http://
www.rockwellautomation.com/literature) describes some important differences
between solid state equipment and hard-wired electromechanical devices.
Because of this difference, and also because of the wide variety of uses for
solid state equipment, all persons responsible for applying this equipment must
satisfy themselves that each intended application of this equipment is
acceptable.
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.
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
• recognize the consequence
IMPORTANT
Identifies information that is critical for successful
application and understanding of the product.
Publication 8720MC-IN003A-EN-P — January 2005
8720MC Control Board
3
Complying with European Union Directives
If this product is installed within the European Union or EEC regions
and has the CE mark, the following regulations apply.
EMC Directive
This product is tested to meet Council Directive 89/336/EEC
Electromagnetic Compatibility (EMC) using the following standards, in
whole or in part:
•
EN 50081-2 EMC - Emission Standard, Part 2 - Industrial
Environment
•
EN 50082-2 EMC - Immunity Standard, Part 2 - Industrial
Environment
The product described in this manual is intended for use in an industrial
environment.
Low Voltage Directive
This product is tested to meet Council Directive 73/23/EEC Low Voltage
Directive. The EN 60204-1 Safety of Machinery-Electrical Equipment of
Machines, Part 1-Specification for General Requirements standard
applies in whole or in part. Additionally, the standard EN 50178
Electronic Equipment for use in Power Installations applies in whole or
in part.
This equipment is classified as open equipment and must be mounted
in an enclosure during operation to provide safety protection.
Publication 8720MC-IN003A-EN-P — January 2005
4
8720MC Control Board
Before You Remove the 8720MC Control Board
ATTENTION
This drive contains ESD (Electrostatic Discharge)
sensitive parts and assemblies. You are required to
follow static control precautions when you install,
test, service, or repair this assembly. If you do not
follow ESD control procedures, components can be
damaged. If you are not familiar with static control
procedures, refer to Allen-Bradley publication
8000-4.5.2, Guarding Against Electrostatic Damage
or any other applicable ESD Protection Handbook.
Figure 1
8720MC Control Board Features
1 2
Ribbon Cable
Connector
Thermal Switch
Connector
8720MC
Control
Board
Human Interface
Module (HIM)
Control Board Screws (6)
P1
P4
P5
SCANport/DPI Connector
Customer
Connections
SERCOS interface Connectors
Shield
Clamps
TB1
ATTENTION
To avoid shock hazard or personal injury, assure that
all power is removed from the system module before
proceeding. This system may have multiple sources of
power. More than one disconnect switch may be
required to de-energize the system.
Publication 8720MC-IN003A-EN-P — January 2005
8720MC Control Board
5
Removing the 8720MC Control Board
To remove the 8720MC control board:
1. Remove all input power to the drive. Allow five minutes for the DC
bus to completely discharge before proceeding.
ATTENTION
This product contains stored energy devices. To
avoid hazard of electrical shock, verify that all
voltage on capacitors has been discharged before
attempting to service, repair, or remove this unit.
You should only attempt the procedures in this
document if you are qualified to do so and are
familiar with solid-state control equipment and
the safety procedures in publication NFPA 70E.
2. Remove the drive cover.
3. Remove the HIM (if present) by grasping the four locking tabs (refer
to Figure 2).
4. Remove the HIM adapter (if present) by removing the four screws as
shown in Figure 2.
Figure 2
Locking Tab and Screw Locations
Locking
Tabs (4)
Screws (4)
HIM
HIM Adapter
Publication 8720MC-IN003A-EN-P — January 2005
6
8720MC Control Board
5. Remove all customer connections, ribbon cable, thermal switch,
SERCOS interface, and SCANport connectosr from the control
board (refer to Figure 1 for locations).
6. Remove the six control board screws (hold the control board in
place until the last screw is removed).
Replacing the 8720MC Control Board
To replace the 8720MC control board:
1. Install the new control board and replace the six control board
screws.
2. Replace the customer connections, ribbon cable, thermal switch,
SERCOS interface, and SCANport connectors (refer to Figure 1).
ATTENTION
Only those familiar with SCANport devices and
associated machinery should plan or implement
the installation, startup, or subsequent
troubleshooting of this board. Failure to comply
may result in personal injury or damage to
equipment.
3. Replace the HIM adapter (if present) and the four screws removed
earlier.
4. With the mating connectors properly aligned, snap the HIM into
place.
5. Replace the drive cover and restore power to the drive.
6. Program the drive as described in the 8720MC High Performance
Drives Integration Manual (publication 8720MC-IN002x-EN-P).
Publication 8720MC-IN003A-EN-P — January 2005
8720MC Control Board
7
Publication 8720MC-IN003A-EN-P — January 2005
For more information refer to our web site: www.ab.com/motion
For Allen-Bradley Technical Support information refer to: www.ab.com/support or Tel: (1) 440.646.5800
Allen-Bradley, A-B, and Rockwell Automation are registered trademarks of Rockwell Automation.
SCANport is a trademark of Rockwell Automation.
SERCOS interface is a trademark of the Interests Group SERCOS interface e.V. (IGS).
Publication 8720MC-IN003A-EN-P — January 2005
Supersedes Publication 8720MC-IN001A-US-P — June 2000
176938
Copyright  2005 Rockwell Automation. All rights reserved. Printed in USA.
">

Hello! I am an AI chatbot specifically trained to assist you with the Allen-Bradley 8720MC Control Board Installation instructions. I have thoroughly reviewed the document and can help you locate the exact information you need or explain the content in clear and simple terms. Whether you’re looking for guidance on specific features, troubleshooting steps, or general usage, feel free to ask your questions. The more details you provide about your concerns or needs, the more accurately and effectively I can assist you!

Show related prompts

Assistant typing

Assistant is out of keyboard. Please, try again later.

Key features

High Performance
User-friendly interface
SCANport
SERCOS Interface
Compatibility with 8720MC Drives
Robust Construction

Frequently asked questions

The document describes the steps to remove the 8720MC control board. First, remove all input power to the drive and allow five minutes for the DC bus to completely discharge. Then, remove the drive cover, HIM (if present), and HIM adapter (if present). Finally, remove all customer connections, ribbon cable, thermal switch, SERCOS interface, and SCANport connectors from the control board and remove the six control board screws.

The board contains ESD (Electrostatic Discharge) sensitive parts. It's crucial to follow static control procedures to protect the board during installation, testing, servicing, or repair. Refer to Allen-Bradley publication 8000-4.5.2, Guarding Against Electrostatic Damage or any other applicable ESD Protection Handbook.

It's essential to completely de-energize the system before proceeding. The document advises to verify that all voltage on capacitors has been discharged before attempting to service, repair, or remove the control board. Only qualified personnel familiar with solid-state control equipment and NFPA 70E safety procedures should handle the board.