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HORNER XLE-Model 2 User Manual

HORNER XLE-Model 2
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MAN0878-09-EN_XLE_XLT_UserManual
A u g u s t 2 3 , 2 0 1 8 P a g e 129 | 158
CHAPTER 16: FAIL SAFE SYSTEM
16.1 Overview
The Fail-Safe System is a set of features that allows an application to continue running in the
event of certain types of "soft" failures. These "soft" failures include:
Battery power loss
Battery-Backed Register RAM or Application Flash corruption due to, for example, an
excessive EMI event.
The Fail-Safe System has the following capabilities:
Manually backup the current Battery-Backed RAM Register Settings into Flash
memory.
Manually restore Register Settings from the values previously backed up in Flash to
Battery-Backed RAM.
Detect corrupted Register Settings at power-up and then automatically restore them
from Flash.
Detect corrupted or empty application in Flash memory at power-up and then
automatically load the AUTOLOAD.PGM application file from Removable Media
(Compact Flash or microSD).
If an automatic Register Restore or Application Load occurs, the OCS can
automatically be placed in RUN mode
The fail-safe system can be accessed through the system menu of the controller. A new menu
“Fail-Safe System” has been added at the end of the main system menu for this. Selecting “Fail-
Safe System” menu will open the following menu screen:
XLT:
XLE:
Figure 16.1 Fail Safe System Menu

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HORNER XLE-Model 2 Specifications

General IconGeneral
BrandHORNER
ModelXLE-Model 2
CategoryController
LanguageEnglish

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