State Transition - Renesas RA6T2 Application Note

RA6T2
Vector control for permanent magnetic synchronous motor with encoder - AB incremental type encoder

3.1.4 State transition

Figure 3-3 is a state transition diagram of the vector control with encoder software. In the target software of
this application note, the software state is managed by "SYSTEM MODE".
Figure 3-3 State Transition Diagram of Vector Control with encoder Software
(1). SYSTEM MODE
"SYSTEM MODE" indicates the operating states of the system. The state transits on occurrence of each
event (EVENT). "SYSTEM MODE" has 3 states that are motor drive stop (INACTIVE), motor drive
(ACTIVE), and abnormal condition (ERROR).
(2). EVENT
When "EVENT" occurs in each "SYSTEM MODE", "SYSTEM MODE" changes as shown the table in
Figure 3-3, according to that "EVENT". The occurrence factors of each event are shown below.
Table 3-4 List of EVENT
EVENT name
STOP
RUN
ERROR
RESET
R01AN6208EJ0101 Rev.1.01
Oct 18, 2022
SYSTEM MODE
STOP
[ERROR EVENT]
[RESET EVENT]
[ERROR EVENT]
ERROR
STOP
STOP
STOP
RUN
RUN
EVENT
ERROR ERROR
RESET
STOP
occurrence factor
by user operation
by user operation
when the system detects an error
by user operation
POWER ON/
RESET
[RUN EVENT]
[STOP EVENT]
RUN
MODE
RUN ERROR
ERROR
STOP
ERROR
RUN
ERROR
ERROR
RUN
STOP
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