Publication 1764-UM001B-EN-P - April 2002
1-8 Hardware Overview
To support a maximum of 16 I/O modules in an additional I/O bank,
you must have the following:
Table 1.4 Requirements to Support a Maximum of 16 I/O Modules
Product Catalog Number
MicroLogix 1500 Processor 1764-LSP, Series C or higher
1764-LRP, Series C or higher
MicroLogix 1500 Base Unit 1764-24AWA, Series B or higher
1764-24BWA, Series B or higher
1764-28BXB, Series B or higher
Operating System Version
Firmware Revision Number (FRN) 6 or higher
(1)
(1) You can check the FRN by looking at word S:59 (Operating System FRN) in the Status File.
Programming Software RSLogix 500, Version 5.10.00 or higher.
1 Power Supply (optional) 1769-PA2, 1769-PA4, 1769-PB2, 1769-PB4
1 Cable (optional) 1769-CRL1, 1769-CRL3, 1769-CRR1, 1769-CRR3
1 End Cap (required) 1769-ECL, 1769-ECR
IMPORTANT
If your processor is at an older revision, you must
upgrade the operating system to FRN 3 or higher
to use an expansion cable and power supply (or to
FRN 6 or higher to allow up to 16 expansion
modules). On the Internet, go to
http://www.ab.com/micrologix to download the
operating system upgrade. Navigate to MicroLogix
1500 for further instructions and downloads.
MicroLogix 1500 base units are not field upgradeable
from Series A to Series B.
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