--- test sequence for hmi state machine
x
x
--- see no change
u
x
d
x
--- mode to MAN
m
x
u
x
m
x
x
--- increase MV
x
u
x
u
x
u
x
--- decrease MV
x
d
x
d
x
--- mode change to AUTO
x
m
x
u --- AUT
x
u --- O/S
x
u --- MAN
x
u --- AUT
x
m
x
x
x
x
x
--- increase SP
u
x
u
x
u
x
u
x
u
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
---- decrease SP
x
d
x
d
x
d
x
d
x
d
x
d
x
d
x
d
x
x
x
x
x
x
x
x
x
x
x
x
x
x
--- Start tuning
x
m
x
x
x
d
x
x
--- P parameter
u
u
x
u
x
u
x
d
x
--- I parameter
m
x
x
u
x
u
x
u
x
d
x
---- D parameter
x
m
x
x
u
x
u
x
u
x
d
x
x
--- end of tuning?
x
x
m
x
x
x
x
x
m
x
x
x
x
x
x
x
x
--- sequence to exit
x
m -- to mode selection
x
d --- to P tuning
x
m --- to I tuning
x
m --- to D tuning
x
x
m --- to return select
x
x
u
x