Allen-Bradley 1785 PLC-5 User Manual

1
Addressing for 1785 PLC-5 Processors
This addressing reference guide helps you specify the address in a 1785
PLC-5 data table. This reference contains:
For This Subject: Refer to:
a memory map page 2
general format for direct logical ASCII addressing page 4
logical addressing for I/O image tables page 5
logical addressing for the I/O status file page 6
logical addressing for ASCII, binary, decimal, floating-point, and integer files page 9
addressing structured data page10
A 1785 PLC-5 processor may include the following processors:
PLC-5/10t
PLC-5/11t
PLC-5/12t
PLC-5/15t
PLC-5/20t
PLC-5/25t
PLC-5/30t
PLC-5/40t
PLC-5/40Lt
PLC-5/60t
PLC-5/60Lt
PLC-5/80t
For more information about the specific contents of the various sections of
memory, consult the:
PLC programmer, who assigns specific data items to specific memory
locations
PLC-5 Programming Software Configuration and Maintenance Manual,
publication 6200–6.4.6
Using this Addressing
Reference Guide

Allen-Bradley 1785 PLC-5 Specifications

General

Manufacturer	Allen-Bradley
Memory Size	Up to 64K words
Programming Language	Ladder Logic
Series	PLC-5
Communication Ports	DH+