Rockwell Automation 1785-LTx,D17856.2.1 Classic PLC-5 Programmable Controllers Users Manual - Manual (Page 9)

Preface
iv
This manual has ten chapters and two appendices. The following table
lists each chapter or appendix with its corresponding title and a brief
overview of the topics covered in it.
Chapter /
Appendix
Title Topics Covered
1 Understanding Your System Provides an overview of Classic PLCĆ5 processors in different system configurations. Provides
an introduction to Classic PLCĆ5 processors and their primary features and configurations. Also
provides information on using a Classic PLCĆ5 processor as a remote I/O scanner or a remote
I/O adapter.
2 Choosing Hardware Provides information on your hardware choices when you design a Classic PLCĆ5 processor
system.
3 Placing System Hardware Describes proper environment, Classic PLCĆ5 processor protection, and prevention of
electrostatic damage for your Classic PLCĆ5 programmable controller system. Also covers
raceway and cable layout, backpanel spacing, and grounding configurations.
4 Assigning Addressing Mode,
Rack, and Groups
Describes the I/O addressing modes that you can choose for your chassis. Explains how you
assign group and rack numbers to your I/O chassis. Also covers how you configure
complementary I/O by assigning rack and group addresses.
5 Choosing Communication Identifies each Classic Ć5 processor channel/connector, and explains how to configure your
Classic PLCĆ5 processor. Provides additional information about the Data Highway Plust
(DH+t) link, programming software, and programmingĆterminal connections.
6 Planning Your System Programs Explains the use of sequential function charts (SFCs). Provides guidelines and examples for
preparing system programs. Provides a map of data table files and methods to address the
data table files. Explains how to use the processor status file.
7 Selecting Interrupt Routines Summarizes the conditions for which you would choose fault routines for your application.
Provides a definition of fault routines.
8 Transferring Discrete and
BlockĆTransfer Data
Explains how your CLassic PLCĆ5 processor transfers discrete and blockĆtransfer data in both
scanner and adapter modes.
9 Calculating Program Timing Provides an overview of processor scan timing. Lists execution times and memory
requirements for bit and word instructions as well as file instructions.
10 Maximizing System Performance Explains how to calculate throughput, and provides methods for optimizing I/O scan time.
A Selecting Switch Settings Describes the switch settings for configuring a Classic PLCĆ5 programmable controller system.
B Design Worksheets Provides worksheets to help the designer plan the system and the installer to install the system.
The following flow chart demonstrates a thought process that you can use
when you plan your Classic PLC-5 programmable controller system.
Manual Organization
How to Use this Manual