Sony Magnescale LH51 Instruction Manual page 55

Measurement of the offset value ∆Y
In the example shown below, the resolution is set to 0.0005 mm.
Y
SET
L
or
L
Touch the machine
Setting of
table carefully.
datum plane
Machine table
F F F F
Y Y
START
H
or
H
Note
102.4700 mm
or
4.03424 in
Offset value ∆Y
Y Y
START
H
or
H
Note
Operating Procedure
Select the Y-axis.
Note
If it is in the INC mode, switch to the ABS mode.
Press the LOAD key.
The LED (LOAD/HOLD) indicator flashes.
On contact of the feeler to the machine table,
the buzzer beeps and the counting starts at
the loaded display value.
When the feeler touches the machining table,
the buzzer sounds and the counting starts
from the loaded display value.
The LED (LOAD/HOLD) indicator turns off.
Check that the REF lamp is on. When it is
not lighted, press the
the absolute zero point detection mode
indicator (once with the 1-axis display).
Select the Y-axis.
Press the HOLD key.
(It is ready for holding the value of the distance
∆Y to the absolute zero point of scale.)
The LED (LOAD/HOLD) indicator flashes.
Move the machine spindle and make it pass
over the absolute zero point of the scale. The
LED (LOAD/HOLD) indicator lights up, the
offset value ∆Y is held.
The LED (LOAD/HOLD) indicator lights.
∗ By storing the held offset value ∆Y in memory,
∆Y can be set easily when the display unit is
replaced. Refer to "5-1-4. Setting the
distance from the absolute zero point of the
scale to the cutting datum point".
Select the Y-axis.
Press the HOLD key.
The held display is released, and the spot
position is displayed. At this time, the hold value
is stored internally.
ABS, INC lights up

key twice to turn on

Buzzer
Display
L/H
Flashes
Buzzer
Counting starts
L/H
Flashes
L/H
Lights up
Display of spot position
REF
Lights up
47