semaphore TBOX LT2-530 Series, User Manual, Page: 35 / 197

Version : 1.09 35
5.7. Sending ‘Operating System’
Operating System is the heart of your
TB
OX
LT2
.
It contains all features of
TB
OX
LT2
.
In some cases you might have to change this operating system, when new features are available or a bug
fix released.
From the main menu, “Communication”,
select “Send to TBox”.
Select the highest version in the list to take
advantage of latest features and corrections.
5.8. LED « RUN »
This LED, next to the “Reset” toggle switch indicates the status of the CPU.
LED sequence at
TB
OX
LT2
startup:
Red one flash Boot Strap starting
Red ON (1 sec.) UBOOT starting
Orange ON (4 sec.) KERNEL starting
Green ON (4 sec.) OS starting
Red ON Package installation after sending, Plug&Go on SD Card or USB stick
(up to OS 1.31.336)
Red/Green flashing (1Hz) Package installation after sending Plug&Go on SD Card or USB stick
(as of OS 1.33.346)
Green flashing at 2 Hz Application runs
Other status:
Green flashing (1/2 Hz) Program Stopped
Green ON OS Stopped
Red ON LINUX stopped
Red flashing at 8 Hz Alarm(s) active
Green flashing at 8 Hz Running “Failsafe” program