Chapter 1
Publication
65566.5.1 - October 1996
Overview of the Clutch/Brake
Control System
This chapter acquaints you with the Allen-Bradley clutch/brake
control system for part-revolution mechanical stamping presses with
a friction clutch/brake mechanism. Topics include:
• The Application Package
• Related Safety Documentation
• Control by Redundant Processors
• How the Software Controls Your Press
• Protected Memory in PLC-5/x6 Processors
• Functional Block Diagram
• Modes of Control System Operation
• Options to Suit Your Application
• Wiring Drawings
• Information on Diskette
• Choice of Position Monitoring Devices
• Input Switches
• Control System Outputs
• Internal Timers
• System Response Time
• Control System Specifications
ATTENTION: This control system is designed for use only with
mechanical stamping presses having a part-revolution friction
brake. Applying this control system to any other type of press
could result in personal injury and/or damage to equipment.
The 6556 series Application Packages consists of the following:
Software and Documentation
•
diskette of ladder logic that controls the clutch/brake mechanism
• diskette of wiring drawings in AutoCAD (Release 11.0) and DXF formats
• user manual including fold-out wiring drawings
• pocket-sized operator’s guide
In addition, you must use Rockwell 6200 Series Software (revision 5.11
or later) or AI5 Software (revision 7.20 or later). You can program the
clutch/brake control system with an IBMXT/AT compatible computer.
Chapter Objectives
The Application Package
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