YASKAWA yasnac i80m Instruction Manual page 669

By depressing
the RETURN function soft key. the
setup
menu display
screen is returned.
The following describes each display item.
®
Machine
coordinate value
Displays the
distance from the servo axis machine zero-point.
(Same as position machine coordinate
value)
(D Zero-point setting
offset value
Displays the absolute
position obtained by the encoder
at
zero-point
setting. (This
value
is stored in
parameters
pm8811
to
pmS815.
)
(D
Machine
position
at power
OFF
Displays the machine coordinate value obtained
at
the previous
power
OFF.
(This value is stored in
parameters
pmSSOl
to
pm8805.
)
®
Reference point shifted value
Displays the shifted value from the
set
point at zero-point setting in
the
floating
machine zero-point setting method.
(pm8821
to
pm8825)
©
Reference point shift fine-adjusted value
Displays the reference
point shift fine-adjusted value.
(pm8401
to
pm8405)
l
1.
The absolute position detecting function is valid
when a
motor
provided 'with
an
absolute position encoder is used.
2. Since the absolute position encoder has
battery backup, when the battery is dead.
it
does
not
function.
To
prevent
this, battery failure is detected in advance and
a battery
alarm
warning is
output.
3. To release the
warning, it is
necessary to
replace the battery.
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