User manual

Using this Manual
This Quick Reference provides information frequently needed for using and maintaining your Allen-Bradley
PLC-5 processor.
It is intended for reference purposes only, and not as the sole source of information.
For more specific information on any topic in this Quick Reference, see:
• Enhanced and Ethernet PLC-5 Family Programmable Controllers User Manual, publication 1785-6.5.12
• Classic PLC-5 User Manual, publication 1785-6.2.1
• ControlNet PLC-5 Programmable Controllers Phase 1.5 User Manual, publication 1785-6.5.22
Important User Information
Because of the variety of uses for the products described in this publication, those responsible for the application
and use of this control equipment must satisfy themselves that all necessary steps have been taken to assure that
each application and use meets all performance and safety requirements, including any applicable laws,
regulations, codes and standards.
The illustrations, charts, sample programs and layout examples shown in this guide are intended solely for
purposes of example. Since there are many variables and requirements associated with any particular installation,
Allen-Bradley does not assume responsibility or liability (to include intellectual property liability) for actual use
based upon the examples shown in this publication.