52 Rockwell Automation Publication 1756-UM001M-EN-P - February 2012
Chapter 3 Start Using the Controller
Determine Required Controller Firmware
Use this table to determine what firmware revision is required for your controller.
The controller must be in Remote Program or Program mode and all major
recoverable faults cleared to accept upgrades.
Table 5 - Firmware Required For Controllers
Controller Series Use this firmware revision
1756-L61 A 12.x or later
B 13.40 or later
1756-L62 A 12.x or later
B 13.40 or later
1756-L63 A • If not using a CompactFlash card, 10.x or later
• If using a CompactFlash card, 11.x or later
B 13.40 or later
1756-L63XT B 13.40 or later
1756-L64 B 16 or later
1756-L65 B 17 or later
1756-L71 A 20 or later
1756-L72 A 19 or later
1756-L73 A 19 or later
1756-L73XT A 19 or later
1756-L74 A 19 or later
1756-L75 A 19 or later