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5. Operating System Overview
5.1 Operation modes
The
RUN: The RUN mode is a normal
In this mode, the
Program changes and EEPROM write are possible while the
HALT: The HALT mode is a programming mode.
In this mode, user program execution is stopped and all outputs are switched off.
Program loading into the
For the standard T1, program changes and EEPROM write are possible only when the T1 is in the HALT mode.
ERROR: The ERROR mode is a shutdown mode as a result of
The
To exit from the ERROR mode, execute the Error Reset command from the programming tool, or cycle power off and then on again.
HOLD: The HOLD mode is provided mainly for checking the external I/O signals. In this mode, user program execution is stopped, with input and output updating is executed. It is therefore possible to suspend program execution while holding the output state. Moreover, a desired output state can be established by setting any data by using the programming tool.
Deferent from the normal RUN mode, the
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