
Rockwell Automation Publication 1444-UM001D-EN-P - June 2018
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Operate the Module
Chapter 10
Boot Loader Mode
Boot Loader Mode means that the module has faulted such that the executing
firmware is failed and the module has reverted to its most basic operation. In
this mode, the reported firmware revision is v1.xxx. The current boot loader
version is v1.003.
When in Boot Loader Mode the module is limited to the basic functions
necessary to support communications, firmware identification, and firmware
update. In this case, the module firmware must be updated to a valid revision.
A module faults to Boot Loader Mode if its memory becomes corrupted.
While unlikely, a module fault can happen if power is lost while the module is
writing to its nonvolatile memory.