12 Rockwell Automation Publication 1756-UM001M-EN-P - February 2012
Preface
Redundant ControlLogix Controllers
Certain ControlLogix controllers are also supported for use in redundant
systems. For more information about controllers and redundant systems see
Chapter 12, Redundant Systems (on page
183).
Extreme Environment ControlLogix Controllers
The extreme environment ControlLogix controllers, catalog numbers 1756-
L73XT and 1756-L63XT, provide the same functionality as the 1756-L73 and
1756-L63 controllers, but are designed to withstand temperatures -25...70 °C
(-13...158 °F).
Before You Begin
Before you begin using your ControlLogix controller, verify that you have the
software required to configure and program the controller.
Required Software
Use this table to identify the minimum software versions required to use your
ControlLogix controller.
Table 3 - Required Software for Controller Use
Memory, nonvolatile Secure Digital (SD) card CompactFlash card
Status display and status indicators Scrolling status display and
four status indicators
Six status indicators
Unconnected buffer defaults 20 (40, max) 10 (40, max)
Feature 1756-L7x 1756-L6x
Cat. No. RSLogix 5000 Software RSLinx Classic Software
1756-L61, Series A Version 12.x or later Any version
1756-L61, Series B Version 13.40 or later
1756-L62, Series A Version 12.x or later
1756-L62, Series B 13.40 or later
1756-L63, Series A • If not using a CompactFlash
card, 10.x or later
• If using a CompactFlash card,
11.x or later
1756-L63, Series B Version 13.40 or later
1756-L63XT, Series B Version 13.40 or later Version 2.55, or later
1756-L64, Series B Version 16 or later Any version
1756-L65, Series B Version 17 or later
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